80_FR_58598 80 FR 58410 - Approval and Promulgation of Air Quality Implementation Plans; Missouri; Regional Haze Five-Year Progress Report State Implementation Plan

80 FR 58410 - Approval and Promulgation of Air Quality Implementation Plans; Missouri; Regional Haze Five-Year Progress Report State Implementation Plan

ENVIRONMENTAL PROTECTION AGENCY

Federal Register Volume 80, Issue 188 (September 29, 2015)

Page Range58410-58417
FR Document2015-24461

The Environmental Protection Agency (EPA) is proposing approval of a revision to the Missouri State Implementation Plan (SIP) submitted by the State of Missouri on August 5, 2014. Missouri's SIP submission (``progress report SIP'') addresses requirements of the Clean Air Act (CAA or Act) and EPA's rules that require states to submit periodic reports describing progress toward reasonable progress goals (RPGs) established for regional haze and a determination of the adequacy of the state's existing SIP addressing regional haze (``regional haze SIP''). EPA is proposing approval of Missouri's progress report SIP submission on the basis that it addresses the progress report and adequacy determination requirements for the first implementation period for regional haze.

Federal Register, Volume 80 Issue 188 (Tuesday, September 29, 2015)
[Federal Register Volume 80, Number 188 (Tuesday, September 29, 2015)]
[Proposed Rules]
[Pages 58410-58417]
From the Federal Register Online  [www.thefederalregister.org]
[FR Doc No: 2015-24461]


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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 52

[EPA-R07-OAR-2015-0581; FRL-9934-69-Region 7]


Approval and Promulgation of Air Quality Implementation Plans; 
Missouri; Regional Haze Five-Year Progress Report State Implementation 
Plan

AGENCY: Environmental Protection Agency (EPA).

ACTION: Proposed rule.

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SUMMARY: The Environmental Protection Agency (EPA) is proposing 
approval of a revision to the Missouri State Implementation Plan (SIP) 
submitted by the State of Missouri on August 5, 2014. Missouri's SIP 
submission (``progress report SIP'') addresses requirements of the 
Clean Air Act (CAA or Act) and EPA's rules that require states to 
submit periodic reports describing progress toward reasonable progress 
goals (RPGs) established for regional haze and a determination of the 
adequacy of the state's existing SIP addressing regional haze 
(``regional haze SIP''). EPA is proposing approval of Missouri's 
progress report SIP submission on the basis that it addresses the 
progress report and adequacy determination requirements for the first 
implementation period for regional haze.

DATES: Comments must be received on or before October 29, 2015.

ADDRESSES: Submit your comments, identified by Docket ID No. EPA-R07-
OAR-2015-0581 by one of the following methods:
    1. www.regulations.gov: Follow the on-line instructions for 
submitting comments.
    2. Email: [email protected].
    3. Mail or Hand Delivery or Courier: Stephen Krabbe, Air Planning 
and Development Branch, Air and Waste Management Division, U.S. 
Environmental Protection Agency, Region 7, 11201 Renner Boulevard, 
Lenexa, Kansas 66219.
    Instructions: Direct your comments to Docket ID No. EPA-R07-OAR-
2015-0581. EPA may publish any comment received to its public docket. 
Do not submit electronically any information you consider to be 
Confidential Business Information (CBI) or other information whose 
disclosure is restricted by statute. Multimedia submissions (audio, 
video, etc.) must be accompanied by a written comment. The written 
comment is considered the official comment and should include 
discussion of all points you wish to make. EPA will generally not 
consider comments or comment contents located outside of the primary 
submission (i.e. on the web, cloud, or other file sharing system). For 
additional submission methods, the full EPA public comment policy, 
information about CBI or multimedia submissions, and general guidance 
on making effective comments, please visit http://www2.epa.gov/dockets/commenting-epa-dockets. The www.regulations.gov Web site is an 
``anonymous access'' system, which means EPA will not know your 
identity or contact information unless you provide it in the body of 
your comment. If you send an email comment directly to EPA without 
going through www.regulations.gov, your email address will be 
automatically captured and included as part of the comment that is 
placed in the public docket and made available on the Internet. If you 
submit an electronic comment, EPA recommends that you include your name 
and other contact information in the body of your

[[Page 58411]]

comment and with any disk or CD-ROM you submit. If EPA cannot read your 
comment due to technical difficulties and cannot contact you for 
clarification, EPA may not be able to consider your comment. Electronic 
files should avoid the use of special characters, any form of 
encryption, and be free of any defects or viruses.
    Docket. All documents in the electronic docket are listed in the 
www.regulations.gov index. Although listed in the index, some 
information is not publicly available, e.g., CBI or other information 
whose disclosure is restricted by statute. Certain other material, such 
as copyrighted material, will be publicly available only in hard copy. 
Publicly available docket materials are available either electronically 
in www.regulations.gov or at the Environmental Protection Agency, Air 
Planning and Development Branch, 11201 Renner Boulevard, Lenexa, Kansas 
66219. EPA requests that you contact the person listed in the FOR 
FURTHER INFORMATION CONTACT section to schedule your inspection. The 
interested persons wanting to examine these documents should make an 
appointment with the office at least 24 hours in advance.

FOR FURTHER INFORMATION CONTACT: Stephen Krabbe, Air Planning and 
Development Branch, Air and Waste Management Division, U.S. 
Environmental Protection Agency, Region 7, 11201 Renner Boulevard, 
Lenexa, Kansas 66219 at (913) 551-7483 or by email at 
[email protected].

SUPPLEMENTARY INFORMATION: Throughout this document ``we,'' ``us,'' or 
``our'' refer to EPA. This section provides additional information by 
addressing the following:

I. What is the background for EPA's Proposed action?
II. What are the requirements for the regional haze progress report 
SIPs and adequacy determinations?
    A. Regional Haze Progress Report SIP
    B. Adequacy Determination of the Current Regional Haze SIP
III. What is EPA's analysis of Missouri's progress report SIP and 
adequacy determination?
    A. Regional Haze Progress Report SIPs
    1. 40 CFR 51.308(g)(1)
    2. 40 CFR 51.308(g)(2)
    3. 40 CFR 51.308(g)(3)
    4. 40 CFR 51.308(g)(4)
    5. 40 CFR 51.308(g)(5)
    6. 40 CFR 51.308(g)(6)
    7. 40 CFR 51.308(g)(7)
    B. Determination of Adequacy of Existing Regional Haze Plan
IV. Impact of CAIR and CSAPR on Missouri's Progress Report
V. What action is EPA proposing to take?

I. What is the background for EPA's Proposed action?

    States are required to submit a progress report in the form of a 
SIP revision every five years that evaluates progress toward the RPGs 
for each mandatory Class I Federal area within the state and in each 
mandatory Class I Federal area outside the state which may be affected 
by emissions from within the state. 40 CFR 51.308(g). States are also 
required to submit, at the same time as the progress report, a 
determination of the adequacy of the state's existing regional haze 
SIP. 40 CFR 51.308(h). The first progress report SIP is due five years 
after submittal of the initial regional haze SIP. The Missouri 
Department of Natural Resources (MDNR) submitted the state's first 
regional haze SIP on August 5, 2009, and supplemented on January 30, 
2012, in accordance with 40 CFR 51.308(b).\1\
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    \1\ On June 26, 2012, EPA finalized a limited approval of 
Missouri's August 5, 2009, regional haze SIP to address the first 
implementation period for regional haze (77 FR 38007). In a separate 
action, published on June 7, 2012 (77 FR 33642), EPA finalized a 
limited disapproval of the Missouri regional haze SIP because of the 
State's reliance on the Clean Air Interstate Rule to meet certain 
regional haze requirements, which EPA replaced in August 2011 with 
the Cross-State Air Pollution Rule (CSAPR) (76 FR 48208 (Aug. 8, 
2011)). In the aforementioned June 7, 2012, action, EPA finalized a 
Federal Implementation Plan (FIP) for Missouri to replace the 
State's reliance on CAIR with reliance on CSAPR. Following these EPA 
actions, the D.C.h Circuit issued a decision in EME Homer City 
Generation, L.P. v. EPA (``EME Homer City''), 696 F. 3d 7 (D.C. Cir. 
2012), vacating CSAPR and keeping CAIR in place pending the 
promulgation of a valid replacement rule. On April 29, 2014, the 
U.S. Supreme Court reversed the D.C. Circuit opinion vacating CSAPR, 
and remanded the case for further proceedings. EME Homer City, 572 
U.S. 134 S. Ct. 1584. In the interim, CAIR remained in place. On 
October 23, 2014, the D.C. Circuit granted EPA's motion to lift the 
stay on CSAPR. Order of October 23, 2014, in EME Homer City, D.C. 
Cir. No. 11-1302. EPA issued an interim final rule to clarify how 
EPA will implement CSAPR consistent with the D.C. Circuit's order. 
79 FR 71663 (December 3, 2014) (interim final rulemaking). 
Subsequent to the interim final rulemaking, EPA began implementation 
of CSAPR on January 1, 2015. Section IV of this notice addresses the 
impact of CAIR and CSAPR on Missouri's progress toward RPGs for this 
five year progress report SIP.
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    On February 14, 2014, MDNR provided to the Federal Land Managers a 
revision to Missouri's SIP reporting on progress made during the first 
implementation period toward RPGs for Class I areas in the state and 
Class I areas outside the state that are affected by Missouri sources. 
Missouri has two Class I areas, Mingo National Wildlife Refuge (Mingo) 
and Hercules Glades Wilderness Area (Hercules Glades). Missouri also 
hosts an additional Interagency Monitoring of Protected Visual 
Environments (IMPROVE) monitoring site, located at El Dorado 
Springs.\2\ Notification was published on MDNR's Air Pollution Control 
Program Web site on April 28, 2014. A public hearing was held on held 
at the St. Louis Regional Office on Thursday, May 29, 2014.
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    \2\ The El Dorado Springs IMPROVE monitoring site is a Protocol 
monitoring site that is maintained by MDNR to also measure 
visibility impairment in Missouri, but it is not located in a 
Federal Class I area. It was established to aid in determining 
impacts to portions of the country where no Class I areas exist.
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    On August 5, 2014, MDNR submitted the five year progress report SIP 
to EPA. This progress report SIP and accompanying cover letter also 
included a determination that the state's existing regional haze SIP 
requires no substantive revision to achieve the established regional 
haze visibility improvement and emissions reduction goals for 2018. EPA 
is proposing to approve Missouri's progress report SIP on the basis 
that it satisfies the requirements of 40 CFR 51.308(g) and 51.308(h).

II. What are the requirements for the regional haze progress report 
SIPs and adequacy determinations?

A. Regional Haze Progress Report SIP

    Under 40 CFR 51.308(g), states must submit a regional haze progress 
report as a SIP revision every five years and must address, at a 
minimum, the seven elements found in 40 CFR 51.308(g). As described in 
further detail in section III below, 40 CFR 51.308(g) requires a 
description of the status of measures in the approved regional haze 
SIP; a summary of emissions reductions achieved; an assessment of 
visibility conditions for each Class I area in the state; an analysis 
of changes in emissions from sources and activities within the state; 
an assessment of any significant changes in anthropogenic emissions 
within or outside the state that have limited or impeded progress in 
Class I areas impacted by the state's sources; an assessment of the 
sufficiency of the approved regional haze SIP; and a review of the 
state's visibility monitoring strategy.

B. Adequacy Determinations of the Current Regional Haze SIP

    Under 40 CFR 51.308(h), states are required to submit, at the same 
time as the progress report SIP, a determination of the adequacy of 
their existing regional haze SIP and to take one of four possible 
actions based on information in the progress report. As described in 
further detail in section III below, 40 CFR 51.308(h) requires states 
to either: (1) Submit a negative declaration to EPA

[[Page 58412]]

that no further substantive revision to the state's existing regional 
haze SIP is needed; (2) provide notification to EPA (and other 
states(s) that participated in the regional planning process) if the 
state determines that its existing regional haze SIP is or may be 
inadequate to ensure reasonable progress at one or more Class I areas 
due to emissions from sources in other state(s) that participated in 
the regional planning process, and collaborate with these other 
state(s) to develop additional strategies to address deficiencies; (3) 
provide notification with supporting information to EPA if the state 
determines that its existing regional haze SIP is or may be inadequate 
to ensure reasonable progress at one or more Class I areas due to 
emissions from sources in another country; or (4) revise its regional 
haze SIP to address deficiencies within one year if the state 
determines that its existing regional haze SIP is or may be inadequate 
to ensure reasonable progress in one or more Class I areas due to 
emissions from sources within the state.

III. What is EPA's analysis of Missouri's regional haze progress report 
and adequacy determination?

    On August 5, 2014, MDNR submitted a revision to Missouri's regional 
haze SIP to address progress made toward RPGs of Class I areas in the 
state and Class I areas outside the state that are affected by 
emissions from Missouri's sources. This progress report SIP also 
included a determination of the adequacy of the state's existing 
regional haze SIP. Missouri has two Class I areas within its borders, 
and maintains an additional IMPROVE monitoring site. MDNR utilized 
particulate matter source apportionment (PSAT) techniques for 
photochemical modeling conducted by the Central Regional Air Planning 
Association (CENRAP) to identify two Class I areas in nearby Arkansas 
potentially impacted by Missouri sources: Upper Buffalo Wilderness Area 
(UBWA) and Caney Creek Wilderness Area (CCWA). 77 FR 38007.

A. Regional Haze Progress Report SIPs

    The following sections summarize: (1) Each of the seven elements 
that must be addressed by the progress report under 40 CFR 51.308(g); 
(2) how Missouri's progress report SIP addressed each element; and (3) 
EPA's analysis and proposed determination as to whether the state 
satisfied each element.
1. 40 CFR 51.308(g)(1)
    40 CFR 51.308(g)(1) requires a description of the status of 
implementation of all measures included in the regional haze SIP for 
achieving RPGs for Class I areas both within and outside the state.
    Missouri evaluated the status of all measures included in its 2009 
regional haze SIP in accordance with 40 CFR 51.308(g)(1). Specifically, 
in its progress report SIP, Missouri summarizes the status of the 
emissions reduction measures that were included in the final iteration 
of the CENRAP regional haze emissions inventory and RPG modeling. Such 
control measures included the CAIR, BART, Tier 2 Federal emissions 
standards for passenger vehicles, EPA's Clean Air Nonroad Diesel Rule 
(Tier 4), and the NOX SIP Call. Missouri found that these 
ongoing air pollution control programs are sufficient to meet the 2018 
RPGs for Mingo and Hercules Glades Class I areas, and that programs 
such as CAIR, CSAPR, and BART were very cost-effective in reducing 
visibility impairment at Missouri's Class I areas.
    Missouri also discusses the status of those measures that were not 
included in the final CENRAP emissions inventory and were not relied 
upon in the initial regional haze SIP to meet RPGs. The state notes 
that the emissions reductions from these measures could aid in reducing 
visibility impairment and in achieving the RPGs in Missouri's Class I 
areas. The measures include the 2010 SO2 NAAQS Attainment 
Demonstrations, Illinois Multi-Pollutant Regulation, Federal Tier 3 
vehicle emission and fuel standards, and the 2007 Federal Heavy-Duty 
Highway Rule.
    In addition, Missouri addressed facilities with expected emission 
changes to occur between 2012 and 2017. These changes were not included 
in the 2009 initial regional haze SIP modeling, as they are not yet 
permanent and enforceable.
    EPA proposes to find that Missouri's analysis adequately addresses 
40 CFR 51.308(g)(1). The state documents the implementation status of 
measures from its regional haze SIP and describes significant measures 
resulting from EPA regulations other than the regional haze program as 
they pertain to the state's sources. The progress report SIP highlights 
the effect of several Federal control measures both nationally and in 
the CENRAP region, and when possible, in the state.
    Regarding the status of BART and reasonable progress control 
requirements for sources in the state, Missouri's progress report SIP 
notes that of the twenty-six potential BART sources identified, only 
one source was subject to BART. This remaining source, Holcim (US) Inc. 
(Holcim-Clarksville), located in Clarksville, Missouri, entered into a 
consent agreement with MDNR, and set emissions limits for 
SO2 and NOX to be met as expeditiously as 
practicable, but no later than four years after approval of Missouri's 
regional haze plan. EPA approved their regional haze plan on June 26, 
2012 (77 FR 38007), including the consent agreement with Holcim-
Clarksville, therefore compliance must be achieved no later than June 
26, 2016. Since the consent agreement was signed and initial regional 
haze plan approved, Holcim-Clarksville discontinued Portland cement 
manufacturing and hazardous waste fuel burning operations. Remaining 
operations at the facility include receiving, storing, and shipping. 
Thus the facility's new SO2 and NOX potential 
emissions are both zero tons per year, which is included in the state-
issued operating permit. Because no other sources were found to be 
subject to BART, the state found that other emission controls or 
alternative measures in place of BART were not necessary, and no 
further discussion of the status of controls was necessary in the 
progress report SIP.
    EPA proposes to conclude that Missouri has adequately addressed the 
status of control measures in its regional haze SIP as required by 40 
CFR 51.308(g)(1). Missouri describes the implementation status of 
measures from its regional haze SIP, including the status of control 
measures to meet BART and reasonable progress requirements, the status 
of significant measures resulting from EPA regulations, as well as 
measures that came into effect since the CENRAP analyses for the 
regional haze SIP were completed.
2. 40 CFR 51.308(g)(2)
    40 CFR 51.308(g)(2) requires a summary of the emissions reductions 
achieved in the state through the measures subject to 40 CFR 
51.308(g)(1).
    In its regional haze SIP and progress report SIP, Missouri focuses 
its assessment on NOX and SO2 emissions from 
electric generating units (EGUs) because available information from 
multiple sources (CENRAP, EPA's Clean Air Markets Division (CAMD), 
etc.) determined that these compounds accounted for the majority of the 
visibility-impairing pollution in the Central Region.
    During the period from 2007-2012, SO2 emissions 
decreased by 45.6% as a result of several factors, including 
installation of controls, units switching to cleaner fuels, load 
shifting from dirtier units to cleaner units, and an overall decrease 
in demand for

[[Page 58413]]

generation.\3\ Missouri noted that the downward trend continued, even 
though demand increased during the period from 2009 through 2011. 
Additionally, there was a 43.4 percent decrease in pounds of 
SO2 generated per MMBtu of energy produced. Missouri stated 
this decrease in emissions, while demand remained relatively steady, 
indicates that the reductions reflect cleaner generation and not 
decreased electricity demand.
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    \3\ See also sections III.A.4 and III.A.6 of this action.
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    During that same period, NOX emissions generally 
decreased, as did the generation rate of NOX. However, 
neither NOX emissions nor NOX generation trended 
downward every year.
    Missouri noted that as additional controls are installed to meet 
the stringent requirements of CSAPR, the Industrial Boiler Maximum 
Achievable Control Technology (MACT) regulation, and the Mercury and 
Air Toxics Standard (MATS),\4\ emission rates are expected to decrease 
even further. Missouri asserts that the current downward trend, 
particularly for SO2 as the species of predominant concern 
to visibility impairment at Mingo and Hercules Glades, plus the 
imminent implementation of additional federal regulations, reinforces 
their determination that Missouri's Class I areas will meet the 
established RPGs in the required timeframe.
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    \4\ Since the submission of the Regional Haze Progress SIP, the 
MATS rule was remanded to the D.C. Circuit by the Supreme Court on 
June 29, 2015, in Michigan et al. v. Environmental Protection Agency 
et al. (Slip. Op. 14-46, ___ U.S.___(2015)).
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    EPA proposes to conclude that Missouri has adequately addressed 40 
CFR 51.308(g)(2). The state provides actual emissions reductions of 
NOX and SO2 from EGUs in Missouri that have 
occurred since Missouri submitted its regional haze SIP. Missouri 
appropriately focused on SO2, and to a lesser extent, 
NOX, emissions from its EGUs in its progress report SIP 
because it previously identified these emissions as the most 
significant contributors to visibility impairment at Missouri's Class I 
areas. Given the large SO2 and NOX reductions at 
EGUs that have actually occurred, further analysis of emissions from 
other sources or other pollutants was ultimately unnecessary in this 
first implementation period. Because no additional controls were found 
to be needed for reasonable progress for the first implementation 
period for evaluated sources in Missouri, EPA proposes to find that no 
further discussion of emissions reductions from controls was necessary 
in this progress report SIP.
3. 40 CFR 51.308(g)(3)
    40 CFR 51.308(g)(3) requires that states with Class I areas provide 
the following information for the most impaired and least impaired days 
for each area, with values expressed in terms of five-year averages of 
these annual values: \5\
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    \5\ The ``most impaired days'' and ``least impaired days'' in 
the regional haze rule refers to the average visibility impairment 
(measured in deciviews) for the twenty percent of monitored days in 
a calendar year with the highest and lowest amount of visibility 
impairment, respectively, averaged over a five-year period. 40 CFR 
51.301.

    (i) Current visibility conditions;
    (ii) the difference between current visibility conditions and 
baseline visibility conditions; and
    (iii) the change in visibility impairment over the past five 
years.

    Missouri provides figures with the latest supporting data available 
at the time that it developed the progress report SIP that address the 
three requirements of 40 CFR 51.308(g)(3) for Mingo and Hercules 
Glades. For the first regional haze SIPs, baseline conditions were 
represented by the 2000-2004 time period. 64 FR 35730. Baseline 
visibility conditions at Mingo are 28.02 deciviews (dv) for the most 
impaired (20 percent worst) days and 14.3 dv for the least impaired (20 
percent best) days. Current visibility conditions (for the five year 
period from 2008-2012) are 25.7 dv for the 20 percent worst days and 
13.1 dv for the 20 percent best days. The difference between current 
visibility and baseline visibility for the 20 percent worst days is 2.3 
dv of improvement (i.e., 28.0-25.7 dv). The difference between current 
visibility and baseline visibility conditions for the 20 percent best 
days is 1.2 dv of improvement (i.e., 14.3-13.1 dv). Further, visibility 
impairment due to SO2 has shown a downward trend (improved 
visibility) in terms of the 5-year rolling average for the worst 20 
percent days for each of the five-year progress periods evaluated by 
Missouri. Visibility has also improved in nearly all of the five-year 
progress periods for SO2 for the best 20 percent days. 
Missouri noted that the goal for the 20 percent best sampling days is 
to show no degradation in visibility conditions from the baseline; and 
available monitored data for the first planning period showed no 
degradation, and in fact showed improvement. Missouri noted that for 
the worst 20 percent days, the established 2018 RPG is 23.71 dv, and 
that based on the current rate of improvement, it is expected that this 
RPG will be met.
    Hercules Glades has an established baseline condition of 26.75 dv 
for the most impaired days. Current visibility conditions (for the five 
year period from 2008-2012) are 23.5 dv for the 20 percent worst days, 
showing 3.25 dv of improvement. Baseline conditions for the least 
impaired days are 12.8 dv. Current visibility conditions are 11.3 dv 
for the 20 percent best days, showing 1.5 dv of improvement. Further, 
for both the most impaired days and the least impaired days, there has 
been a steady downward trend in the rolling average visibility, meaning 
visibility has improved since the baseline for both the worst and the 
best days. Looking at SO2, there has been a steady downward 
trend in visibility impairment since the baseline for the worst 20 
percent days, and a general downward trend in visibility impairment 
since the baseline for the best 20 percent days. Missouri noted that 
the goal was to show improvement in the worst visibility days, and show 
no further degradation on the best days; in fact, monitored data showed 
improvement in both. Missouri also noted that for the worst 20 percent 
days, the established 2018 RPG is 23.06 dv, and that based on the 
current rate of improvement, it is expected that this RPG will be met.
    Missouri also has an IMPROVE Protocol monitoring site located in El 
Dorado Springs. This is not a Class I area, but does provide a more 
comprehensive data set in areas where Class I areas are spread out. 
Missouri established a baseline condition for the period from 2005-
2007, with 26.97 dv for the 20 percent worst days. Missouri stated that 
the analysis and trends at El Dorado Springs help strengthen the 
argument that visibility conditions across the entire state, not just 
at the Class I areas, are improving and are expected to achieve the 
2018 RPGs.
    Nearby Class I areas in Arkansas were also reviewed in Missouri's 
progress report SIP. Upper Buffalo Wildlife Area and Caney Creek 
Wildlife Area both show a downward trend in visibility impairment for 
the worst 20 percent days. This downward trend is also seen in 
SO2 measurements and total light extinction. Missouri notes 
that this trend at the Class I areas outside the state that are 
affected by Missouri's sources supports the claim that Missouri's 
current strategy is still adequate and that reductions achieved in 
Missouri have benefited areas both in and outside the state.
    EPA proposes to conclude that Missouri has adequately addressed 40 
CFR 51.308(g)(3). The state provides the information regarding 
visibility conditions and notes that no changes

[[Page 58414]]

are needed to meet the requirements of 40 CFR 51.308(g)(3). The 
progress report SIP includes current conditions based on the latest 
available IMPROVE monitoring data for the years 2008-2012, the 
difference between current visibility conditions and baseline 
visibility conditions, and the change in visibility impairment over the 
most recent five-year period for which data were available at the time 
of the progress report SIP development (i.e., 2008-2012).
4. 40 CFR 51.308(g)(4)
    40 CFR 51.308(g)(4) requires an analysis tracking emissions changes 
of visibility-impairing pollutants from the state's sources by type or 
category over the past five years based on the most recent updated 
emissions inventory.
    In its progress report SIP, Missouri presents data from a statewide 
emissions inventories conducted in 2005, 2008, and 2011. This data was 
reported in the National Emissions Inventory (NEI) for each of those 
years. Pollutants inventoried include carbon oxides, ammonia, 
NOX, coarse particulate matter, fine particulate matter 
(PM2.5), SO2, and volatile organic compounds. The 
emissions inventories from all three datasets include the following 
sources: Nonpoint, non-road/area, on-road, point, and biogenic sources. 
Missouri noted that changes in how data is reported under the NEI may 
impact certain species.
    Missouri examined primarily point-source emissions, because control 
of point sources provides a higher level of reduction certainty than 
other source sectors, and therefore is the most relevant to visibility 
improvement. The state noted that the decreasing trend in point source 
emissions of SO2 and NOX are of greatest 
significance to visibility improvement. Other changes in emission 
levels that were noted include increases in CO levels and increases in 
PM2.5. Missouri noted that increases in PM2.5 
emissions are due to updated stack test emission factors and increased 
activity at several sources. Missouri also noted that fire source 
emissions increased for all pollutants between 2008 and 2011, as 
explained in EPA's 2011 NEIv1 Technical Support Document (November 
2013.) This document estimates about 30 percent more acres burned in 
2011 than in 2008 due to several forest fires of over 1,000 acres 
within the Mark Twain National Forest in southern Missouri.
    Biogenic emissions also changed between 2008 and 2011, with some 
pollutants increasing and some decreasing. Missouri notes that the 
Biogenic Emissions Inventory System (BEIS) version 3.14, developed by 
EPA to model the biogenic emissions for the NEI, did not address 
changes to vegetation or other factors between years, so the state 
cannot specifically address why some pollutants increased.
    Missouri noted that the purpose at this point is to evaluate the 
paramount pollutants to visibility improvement, SO2 and 
NOX, and notes that both show a steady downward trend over 
the last five years, which can be linked to steadily improving 
visibility conditions.
    EPA proposes to conclude that Missouri has adequately addressed 40 
CFR 51.308(g)(4). While ideally the five-year period to be analyzed for 
emissions inventory changes is the time period since the current 
regional haze SIP was submitted, there is an inevitable time lag in 
developing and reporting complete emissions inventories once quality-
assured emissions data becomes available. Therefore, EPA believes there 
is some flexibility in the five-year time period that states can 
select, Missouri tracked changes in emissions of visibility-impairing 
pollutants using the 2005, 2008, and 2011 National Emissions Inventory, 
the latter of which was the most recent updated inventory of actual 
emissions for the state at the time that it developed the progress 
report SIP. EPA believes that Missouri's use of the seven-year period 
from 2005-2011 reflects a conservative picture of the actual emissions 
realized between 2005-2014, because there is a general downward trend 
in both SO2 and NOX emissions.
5. 40 CFR 51.308(g)(5)
    40 CFR 51.308(g)(5) requires an assessment of any significant 
changes in anthropogenic emissions within or outside the state that 
have occurred over the past five years that have limited or impeded 
progress in reducing pollutant emissions and improving visibility in 
Class I areas impacted by the state's sources.
    In its progress report SIP, Missouri indicates that visibility and 
pollutant trends from the three monitoring sites have an overall 
downward trend in visibility impairment. The state noted that an 
anomalous peak appears in the data for 2010, especially at the El 
Dorado protocol site. Missouri notes that this can most likely be 
attributed to a fire event that occurred that year. Missouri State 
University in Springfield, Missouri, monitored an exceedance of 
PM2.5 on March 6, 2010. Prior to March 6, 2010, there was a 
prescribed agricultural burn in the region. The state's current Smoke 
Management Plan (SMP) establishes a basic framework of procedures and 
requirements for managing smoke from fires managed for resource 
benefits. The intent is to mitigate nuisance and public safety hazards; 
to prevent deterioration of air quality and NAAQS violations; and to 
address visibility impacts in mandatory federal Class I areas. Missouri 
noted that if in the future there is a fire event that results in a 
NAAQS violation or other extreme case, the SMP may be re-evaluated.
    EPA proposes to conclude that Missouri has adequately addressed 40 
CFR 51.308(g)(5). Missouri demonstrated that there are no significant 
changes in anthropogenic emissions that have impeded progress in 
reducing emissions and improving visibility in Class I areas impacted 
by Missouri's sources. The state referenced its analyses in the 
progress report SIP identifying an overall downward trend from 2007 to 
2012. Further, the progress report SIP shows that Missouri is on track 
to meet its 2018 emissions projections. Lastly, Missouri acknowledges 
that plans may be revised as necessary.
6. 40 CFR 51.308(g)(6)
    40 CFR 51.308(g)(6) requires an assessment of whether the current 
regional haze SIP is sufficient to enable Missouri, or other states, to 
meet the RPGs for Class I areas affected by emissions from the state.
    In its progress report, Missouri states that it believes that the 
elements and strategies outlined in its original regional haze SIP are 
sufficient to enable Missouri and other neighboring states to meet all 
the established RPGs. To support this, Missouri notes that based on 
available monitored data, the current trendline is below the glidepath 
from baseline conditions to the 2018 RPGs. Visibility is improving at 
both Class I areas in Missouri, at the El Dorado Springs IMPROVE 
protocol site, and at the two Class I areas in Arkansas affected by 
Missouri sources. Thus, Missouri concludes that the realized and 
planned controls and reductions that form the current strategy for this 
first implementation period are sufficient to meet the established 
RPGs.
    EPA proposes to conclude that Missouri has adequately addressed 40 
CFR 51.308(g)(6). EPA views this requirement as a qualitative 
assessment that should evaluate emissions and visibility trends and 
other readily available information, including expected emissions 
reductions associated with measures with compliance dates that have not 
yet become effective. Missouri referenced the improving visibility 
trends at affected Class I areas and the downward

[[Page 58415]]

emissions trends in the state, with a focus on SO2 and 
NOX emissions from Missouri's EGUs that support Missouri's 
determination that its regional haze SIP is sufficient to meet RPGs for 
Class I areas in Missouri and outside of Missouri impacted by Missouri 
sources. EPA believes that Missouri's conclusion regarding the 
sufficiency of the regional haze SIP is appropriate because of the 
calculated visibility improvement using the latest available data and 
the downward trend in SO2 and NOX emissions from 
EGUs in Missouri.
7. 40 CFR 51.308(g)(7)
    40 CFR 51.308(g)(7) requires a review of the state's visibility 
monitoring strategy and an assessment of whether any modifications to 
the monitoring strategy are necessary. In its progress report SIP, 
Missouri summarizes the existing IMPROVE monitoring network and its 
intended continued reliance on IMPROVE for visibility planning. 
Missouri notes that it will continue IMPROVE monitoring at Hercules 
Glades and Mingo, consistent with the requirements of 40 CFR 
51.308(d)(4)(iv). Missouri also notes that IMPROVE protocol monitoring 
will continue at El Dorado Springs, since the data can supplement 
potential data analysis projects which may be needed to address 
PM2.5 NAAQS.
    EPA proposes to conclude that Missouri has adequately addressed the 
sufficiency of its monitoring strategy as required by 40 CFR 
51.308(g)(7). Missouri reaffirmed its continued reliance upon the 
IMPROVE monitoring network.

B. Determination of Adequacy of Existing Regional Haze Plan

    Under 40 CFR 51.308(h), states are required to take one of four 
possible actions based on the information gathered and conclusions made 
in the progress report SIP.
    In its progress report SIP, Missouri took the action provided for 
by 40 CFR 51.308(h)(1), which allows a state to submit a negative 
declaration to EPA if the state determines that the existing regional 
haze SIP requires no further substantive revision at this time to 
achieve the RPGs for Class I areas affected by the state's sources. The 
basis for Missouri's negative declaration is the findings from the 
progress report (as discussed in section III.A of this action), 
including the findings that: SO2 and NOX 
emissions from Missouri's sources have decreased below original 
projections, that visibility has improved at both Class I areas in 
Missouri, both Class I areas in Arkansas affected by Missouri's 
sources, and at the IMPROVE protocol site in Missouri, and that 
emissions reductions and visibility improvement are expected to 
continue over the next five years. Based on these findings, EPA 
proposes to agree with Missouri's conclusion under 40 CFR 51.308(h) 
that no further substantive changes to its regional haze SIP are 
required at this time.

IV. What is the impact of CAIR and CSAPR on Missouri's progress report?

    Decisions by the Courts regarding EPA rules addressing interstate 
transport of pollutants have had a substantial impact on EPA's review 
of the regional haze SIPs of many states. In 2005, EPA issued 
regulations allowing states to rely on the Clean Air Interstate Rule 
(CAIR) to meet certain requirements of the Regional Haze Rule. See 70 
FR 39104 (July 6, 2005).\6\ A number of states, including Missouri, 
submitted regional haze SIPs consistent with these regulatory 
provisions. CAIR, however, was remanded to EPA in 2008, North Carolina 
v. EPA, 550 F. 3d 1176, 1178 (D.C. Cir. 2008), and replaced by 
CSAPR.\7\ 76 FR 48208 (August 8, 2011). Implementation of CSAPR was 
scheduled to begin on January 1, 2012, when CSAPR would have superseded 
the CAIR program. However, numerous parties filed petitions for review 
of CSAPR, and at the end of 2011, the D.C. Circuit issued an order 
staying CSAPR pending resolution of the petitions and directing EPA to 
continue to administer CAIR. Order of December 30, 2011, in EME Homer 
City Generation, L.P. v. EPA, D.C. Cir. No. 11-1302.
---------------------------------------------------------------------------

    \6\ CAIR required certain states like Missouri to reduce 
emissions of sulfur dioxide (SO2) and nitrogen odixes 
(NOX) that significantly contribute to downwind 
nonattainment of the 1997 National Ambient Air Quality Standard 
(NAAQS) for fine particulate matter (PM2.5) and ozone. 
See 70 FR 25162 (May 12, 2005).
    \7\ CSAPR was issued by EPA to replace CAIR and to help states 
reduce air pollution and attain CAA standards. See 76 FR 48208 
(August 8, 2011) (final rule). CSAPR requires substantial reductions 
of SO2 and NOX emissions from EGUs in 28 
states in the Eastern United States that significantly contribute to 
downwind nonattainment of the 1997 PM2.5 and ozone NAAQS 
and 2006 PM2.5 NAAQS.
---------------------------------------------------------------------------

    EPA finalized a limited approval of Missouri's regional haze SIP on 
June 26, 2012. 77 FR 38007. In a separate action, published on June 7, 
2012, EPA finalized a limited disapproval of the Missouri regional haze 
SIP because of the state's reliance on CAIR to meet certain regional 
haze requirements, and issued a Federal Implementation Plan (FIP) to 
address the deficiencies identified in the limited disapproval of 
Missouri and other states' regional haze plans. 77 FR 33642 (June 7, 
2012). In our FIP, we relied on CSAPR to meet certain regional haze 
requirements notwithstanding that it was stayed at the time. As we 
explained, the determination that CSAPR will provide for greater 
reasonable progress than BART is based on a forward-looking projection 
of emissions and any year up to 2018 would have been an acceptable 
point of comparison. Id. At 33647. When we issued this FIP, we 
anticipated that the requirements of CSAPR would be implemented prior 
to 2018. Id. Following these EPA actions, however, the D.C. Circuit 
issued a decision in EME Homer City (696 F.3d 7 (D.C. Cir. 2012)), 
vacating CSAPR and ordering EPA to continue administering CAIR pending 
the promulgation of a valid replacement. On April 28, 2014, the Supreme 
Court reversed the D.C. Circuit's decision on CSAPR and remanded the 
case to the D.C. Circuit for further proceedings. EPA v. EME Homer City 
Generation, L.P., 134 S. Ct. 1584 (2014). After the Supreme Court 
decision, EPA filed a motion to lift the stay on CSAPR and asked the 
D.C. Circuit to toll CSAPR's compliance deadlines by three years, so 
that the Phase 1 emissions budgets apply in 2015 and 2016 (instead of 
2012 and 2013), and the Phase 2 emissions budgets apply in 2017 and 
beyond (instead of 2014 and beyond). On October 23, 2014, the D.C. 
Circuit granted EPA's motion. Order of October 23, 2014, in EME Homer 
City Generation, L.P. v. EPA, D.C. Cir. No. 11-1302. EPA issued an 
interim final rule to clarify how EPA will implement CSAPR consistent 
with the D.C. Circuit's order granting EPA's motion requesting lifting 
the stay and tolling the rule's deadlines. 79 FR 71663 (December 3, 
2014) (interim final rulemaking).\8\
---------------------------------------------------------------------------

    \8\ Subsequent to the interim final rulemaking, EPA began 
implementation of CSAPR on January 1, 2015.
---------------------------------------------------------------------------

    Throughout the litigation described above, EPA has continued to 
implement CAIR. Thus, at the time that Missouri submitted its progress 
report SIP revision, CAIR was in effect, and the State included an 
assessment of the emission reductions from the implementation of CAIR 
in its report. The progress report discussed the status of litigation 
concerning CAIR and CSAPR, but because CSAPR was not at that time in 
effect, Missouri did not take emissions reductions from CSAPR into 
account in assessing its regional haze implementation plan. For the 
same reason, EPA is not assessing at this time the impact of CSAPR on 
our FIP on the ability of Missouri and its neighbors to meet their 
reasonable progress goals.


[[Page 58416]]

Given the complex background summarized above, EPA is proposing to 
determine that Missouri appropriately took CAIR into account in its 
progress report SIP in describing the status of the implementation of 
measures included in its regional haze SIP and in summarizing the 
emissions reductions achieved. CAIR was in effect during the 2008-2014 
period addressed by Missouri's progress report. EPA approved Missouri's 
regulations implementing CAIR as part of the Missouri SIP in 2009, and 
neither Missouri nor EPA has taken any action to remove CAIR from the 
Missouri SIP. See 40 CFR 52.2520(c). Therefore, Missouri appropriately 
evaluated and relied on CAIR reductions to demonstrate the State's 
progress toward meeting its reasonable progress goals.\9\ The State's 
progress report also demonstrated Class I areas in other states 
impacted by Missouri sources were on track to meet their reasonable 
progress goals. EPA's intention in requiring the progress reports 
pursuant to 40 CFR 51.308(g) was to ensure that emission management 
measures in the regional haze SIPs are being implemented on schedule 
and that visibility improvement appears to be consistent with the 
reasonable progress goals. 64 FR 35713, 35747 (July 1, 1999). As the 
D.C. Circuit only recently lifted the stay on CSAPR, CAIR was in effect 
in Missouri through 2014, providing the emission reductions relied upon 
in Missouri's regional haze SIP. Thus, Missouri appropriately took into 
account CAIR reductions in assessing the implementation of measures in 
the regional haze SIP for the 2008-2014 timeframe, and EPA believes 
that it is appropriate to rely on CAIR emission reductions for purposes 
of assessing the adequacy of Missouri's progress report demonstrating 
progress up to the end of 2014 as CAIR remained effective until that 
date, pursuant to 40 CFR 51.308(g) and (h).
---------------------------------------------------------------------------

    \9\ EPA discussed earlier in this notice the significance of 
reductions in SO2 and NOX, as Missouri and the 
Central Regional Air Planning Association (CENRAP) identified 
SO2 and NOX as the largest contributor 
pollutants to visibility impairment at Missouri's Class I areas, as 
well as those Class I areas affected by Missouri's sources, 
specifically, and in the CENRAP region generally.
---------------------------------------------------------------------------

    In addition, EPA also believes reliance upon CAIR reductions to 
show Missouri's progress toward meeting its RPGs from 2008-2014 is 
consistent with our prior actions. During the continued implementation 
of CAIR per the direction of the D.C. Circuit through October 2014, EPA 
has approved redesignations of areas to attainment of the 1997 
PM2.5 NAAQS in which states relied on CAIR as an 
``enforceable measure.'' See 77 FR 76415 (December 28, 2012) 
(redesignation of Huntington-Ashland, West Virginia); and similar 
examples. While EPA did previously state in a rulemaking action on the 
Florida regional haze SIP that a five year progress report may be the 
appropriate time to address changes, if necessary, for reasonable 
progress goal demonstrations and long term strategies, EPA does not 
believe the remanded status of CAIR or the implementation of its 
replacement CSAPR at this time impacts the adequacy of the Missouri 
regional haze SIP to address reasonable progress from 2008 through 2014 
to meet requirements in 40 CFR 51.308(g) and (h) because CAIR was 
implemented during the time period evaluated by Missouri for its 
progress report. See generally 77 FR 73369, 73371 (December 10, 2012) 
(proposed action on Florida haze SIP).
    EPA's December 3, 2014, interim final rule sunsets CAIR compliance 
requirements on a schedule coordinated with the implementation of CSAPR 
compliance requirements. 79 FR at 71655. As noted above, EPA's June 7, 
2012, FIP replaced Missouri's reliance upon CAIR for regional haze 
requirements with reliance on CSAPR to meet those requirements for the 
long-term. Because CSAPR should result in greater emissions reductions 
of SO2 and NOX than CAIR throughout the affected 
region, including in Missouri and neighboring states, EPA expects 
Missouri to maintain and continue its progress toward its reasonable 
progress goals for 2018 through continued and additional SO2 
and NOX reductions. See generally 76 FR 48208 (promulgating 
CSAPR).
    At the present time, the requirements of CSAPR apply to sources in 
Missouri under the terms of a FIP, because Missouri to date has not 
incorporated the CSAPR requirements into its SIP. The Regional Haze 
Rule requires an assessment of whether the current ``implementation 
plan'' is sufficient to enable the states to meet all established 
reasonable progress goals. 40 CFR 51.308(g)(6). The term 
``implementation plan'' is defined for purposes of the Regional Haze 
Rule to mean ``any [SIP], [FIP], or Tribal Implementation Plan.'' 40 
CFR 51.301. EPA is, therefore, proposing to determine that we may 
consider measures in any issued FIP as well as those in a state's 
regional haze SIP in assessing the adequacy of the ``existing 
implementation plan'' under 40 CFR 51.308(g)(6) and (h). Because CSAPR 
will ensure the control of SO2 and NOX emissions 
reductions relied upon by Missouri and other states in setting their 
reasonable progress goals beginning in January 2015 at least through 
the remainder of the first implementation period in 2018, EPA is 
proposing to approve Missouri's finding that there is no need for 
revision of the existing implementation plan for Missouri to achieve 
the reasonable progress goals for the Class I areas in Missouri and for 
Class I areas in nearby states impacted by Missouri sources.
    We note that the Regional Haze Rule provides for periodic 
evaluation and assessment of a state's reasonable progress toward 
achieving the national goal of natural visibility conditions by 2064 
for CAA section 169A(b). The regional haze regulations at 40 CFR 51.308 
required states to submit initial SIPs in 2007 providing for reasonable 
progress toward the national goal for the first implementation period 
from 2008 through 2018. 40 CFR 51.308(b). Pursuant to 40 CFR 51.308(f), 
SIP revisions reassessing each state's reasonable progress toward the 
national goal are due every five years after that time. For such 
subsequent regional haze SIPs, 40 CFR 51.308(f) requires each state to 
reassess its reasonable progress and all the elements of its regional 
haze SIP required by 40 CFR 51.308(d), taking into account improvements 
in monitors and control technology, assessing the state's actual 
progress and effectiveness of its long term strategy, and revising 
reasonable progress goals as necessary. 40 CFR 51.308(f)(1)-(3). 
Therefore, Missouri has the opportunity to reassess its reasonable 
progress goals and the adequacy of its regional haze SIP, including its 
reliance upon CAIR and CSAPR for emission reductions from EGUs, when it 
prepares and submits its second regional haze SIP to cover the 
implementation period from 2018 through 2028. As discussed previously 
in this notice, emissions of SO2 and NOX are 
below original trendline projections for the first implementation 
period, and in some cases, are below projections for 2018. In addition, 
the visibility data provided by Missouri shows that their Class I areas 
and Class I areas affected by Missouri sources are all currently on 
track to achieve their reasonable progress goals.

V. What action is EPA proposing to take?

    EPA is proposing approval of a revision to the Missouri SIP, 
submitted by the State of Missouri on August 5, 2014, as meeting the 
applicable regional haze requirements as set forth in 40 CFR 51.308(g) 
and 51.308(h).

[[Page 58417]]

VI. Statutory and Executive Order Reviews

    Under the CAA, the Administrator is required to approve a SIP 
submission that complies with the provisions of the CAA and applicable 
Federal regulations. 42 U.S.C. 7410(k); 40 CFR 52.02(a). Thus, in 
reviewing SIP submissions, EPA's role is to approve state choices, 
provided that they meet the criteria of the CAA. Accordingly, this 
action merely proposes to approve state law as meeting Federal 
requirements and does not impose additional requirements beyond those 
imposed by state law. For that reason, this proposed action:
     Is not a ``significant regulatory action'' subject to 
review by the Office of Management and Budget under Executive Order 
12866 (58 FR 51735, October 4, 1993);
     Does not impose an information collection burden under the 
provisions of the Paperwork Reduction Act (44 U.S.C. 3501 et seq.);
     Is certified as not having a significant economic impact 
on a substantial number of small entities under the Regulatory 
Flexibility Act (5 U.S.C. 601 et seq.);
     Does not contain any unfunded mandate or significantly or 
uniquely affect small governments, as described in the Unfunded 
Mandates Reform Act of 1995 (Pub. L. 104-4);
     Does not have Federalism implications as specified in 
Executive Order 13132 (64 FR 43255, August 10, 1999);
     Is not an economically significant regulatory action based 
on health or safety risks subject to Executive Order 13045 (62 FR 
19885, April 23, 1997);
     Is not a significant regulatory action subject to 
Executive Order 13211 (66 FR 28355, May 22, 2001);
     Is not subject to requirements of Section 12(d) of the 
National Technology Transfer and Advancement Act of 1995 (15 U.S.C. 272 
note) because this action does not involve technical standards; and
     Does not provide EPA with the discretionary authority to 
address, as appropriate, disproportionate human health or environmental 
effects, using practicable and legally permissible methods, under 
Executive Order 12898 (59 FR 7629, February 16, 1994).
    In addition, this proposed rule pertaining to Missouri's regional 
haze progress report does not have tribal implications as specified by 
Executive Order 13175 (65 FR 67249, November 9, 2000), because the SIP 
is not approved to apply in Indian country located in the state, and 
EPA notes that it will not impose substantial direct costs on tribal 
governments or preempt tribal law.

List of Subjects in 40 CFR Part 52

    Environmental protection, Air pollution control, Incorporation by 
reference, Intergovernmental relations, Nitrogen oxides, Particulate 
matter, Reporting and recordkeeping requirements, Sulfur dioxide, 
Volatile organic compounds.

    Dated: September 14, 2015.
Mark Hague,
Acting Regional Administrator, Region 7.
[FR Doc. 2015-24461 Filed 9-28-15; 8:45 am]
 BILLING CODE 6560-50-P



                                                      58410               Federal Register / Vol. 80, No. 188 / Tuesday, September 29, 2015 / Proposed Rules

                                                      PART 39—RULES CONCERNING                                of the reliability cycle, including event             determination of the adequacy of the
                                                      CERTIFICATION OF THE ELECTRIC                           analysis, establishment of metrics,                   state’s existing SIP addressing regional
                                                      RELIABILITY ORGANIZATION; AND                           setting reliability priorities, and                   haze (‘‘regional haze SIP’’). EPA is
                                                      PROCEDURES FOR THE                                      improving the standards development                   proposing approval of Missouri’s
                                                      ESTABLISHMENT, APPROVAL, AND                            and review process.                                   progress report SIP submission on the
                                                      ENFORCEMENT OF ELECTRIC                                    I recognize, however, that under                   basis that it addresses the progress
                                                      RELIABILITY STANDARDS                                   section 215 of the FPA, NERC and the                  report and adequacy determination
                                                                                                              Commission have a unique relationship,                requirements for the first
                                                      ■ 1. The authority citation for part 39                 since Congress vested a significant                   implementation period for regional
                                                      continues to read as follows:                           amount of authority over the standards                haze.
                                                          Authority: 16 U.S.C. 824o.                          process in the Electric Reliability                   DATES: Comments must be received on
                                                      ■ 2. Amend § 39.11 by adding paragraph                  Organization (i.e., NERC) and clearly                 or before October 29, 2015.
                                                      (c) as follows:                                         prescribed the Commission’s oversight
                                                                                                                                                                    ADDRESSES: Submit your comments,
                                                                                                              role. It is important that we recognize
                                                                                                                                                                    identified by Docket ID No. EPA–R07–
                                                      § 39.11   Reliability reports.                          the distinction between that oversight
                                                                                                                                                                    OAR–2015–0581 by one of the following
                                                      *     *    *     *     *                                role and NERC’s primary responsibility
                                                                                                                                                                    methods:
                                                        (c) The Electric Reliability                          to monitor reliability issues and propose               1. www.regulations.gov: Follow the
                                                      Organization shall make available to the                standards to address them. Ultimately, I              on-line instructions for submitting
                                                      Commission, on a non-public and                         believe our efforts to sustain and                    comments.
                                                      ongoing basis, access to the                            improve the reliability of the bulk                     2. Email: krabbe.stephen@epa.gov.
                                                      Transmission Availability Data System,                  electric system are furthered by mutual                 3. Mail or Hand Delivery or Courier:
                                                      Generating Availability Data System,                    trust and shared priorities between the               Stephen Krabbe, Air Planning and
                                                      and protection system misoperations                     Commission and NERC.                                  Development Branch, Air and Waste
                                                      databases, or any successor databases                      I understand that today’s proposal                 Management Division, U.S.
                                                      thereto.                                                might be controversial within the NERC                Environmental Protection Agency,
                                                        Note: The following text will not appear in           community. I therefore welcome                        Region 7, 11201 Renner Boulevard,
                                                      the Code of Federal Regulations.                        comment on the proposal, including any                Lenexa, Kansas 66219.
                                                                                                              potential issues or concerns not                        Instructions: Direct your comments to
                                                      Availability of Certain North American                  identified in the NOPR, to provide a full             Docket ID No. EPA–R07–OAR–2015–
                                                      Electric Reliability Corporation                        record for the Commission to consider                 0581. EPA may publish any comment
                                                      Databases to the Commission                             in deciding whether to proceed to a                   received to its public docket. Do not
                                                      (Issued September 17, 2015)                             final rule.                                           submit electronically any information
                                                         LaFLEUR, Commissioner, concurring:                      Accordingly, I respectfully concur.                you consider to be Confidential
                                                      Today’s order proposes to revise the                    Cheryl A. LaFleur                                     Business Information (CBI) or other
                                                      Commission’s regulations to provide the                 Commissioner                                          information whose disclosure is
                                                      Commission and its staff with access, on                [FR Doc. 2015–24282 Filed 9–28–15; 8:45 am]
                                                                                                                                                                    restricted by statute. Multimedia
                                                      a non-public and ongoing basis, to three                                                                      submissions (audio, video, etc.) must be
                                                                                                              BILLING CODE 6717–01–P
                                                      databases maintained by the North                                                                             accompanied by a written comment.
                                                      American Electric Reliability                                                                                 The written comment is considered the
                                                      Corporation (NERC): (1) The                                                                                   official comment and should include
                                                                                                              ENVIRONMENTAL PROTECTION                              discussion of all points you wish to
                                                      Transmission Availability Data System
                                                                                                              AGENCY                                                make. EPA will generally not consider
                                                      (TADS), (2) the Generating Availability
                                                      Data System (GADS), and (3) the                         40 CFR Part 52                                        comments or comment contents located
                                                      protection system misoperations                                                                               outside of the primary submission (i.e.
                                                      database. As explained in the order, the                [EPA–R07–OAR–2015–0581; FRL–9934–69–                  on the web, cloud, or other file sharing
                                                      Commission concludes that access to                     Region 7]                                             system). For additional submission
                                                      these databases would support its work                                                                        methods, the full EPA public comment
                                                                                                              Approval and Promulgation of Air
                                                      under section 215(d)(5) of the Federal                                                                        policy, information about CBI or
                                                                                                              Quality Implementation Plans;
                                                      Power Act (FPA) to monitor reliability                                                                        multimedia submissions, and general
                                                                                                              Missouri; Regional Haze Five-Year
                                                      trends and issues that may warrant the                                                                        guidance on making effective
                                                                                                              Progress Report State Implementation
                                                      development of new or modified                                                                                comments, please visit http://
                                                                                                              Plan
                                                      reliability standards.                                                                                        www2.epa.gov/dockets/commenting-
                                                         On rare occasions, the Commission                    AGENCY:  Environmental Protection                     epa-dockets. The www.regulations.gov
                                                      has exercised its authority to direct                   Agency (EPA).                                         Web site is an ‘‘anonymous access’’
                                                      NERC to develop new standards to                        ACTION: Proposed rule.                                system, which means EPA will not
                                                      address reliability risks not covered in                                                                      know your identity or contact
                                                      existing standards, such as geomagnetic                 SUMMARY:   The Environmental Protection               information unless you provide it in the
                                                      disturbances and physical security.                     Agency (EPA) is proposing approval of                 body of your comment. If you send an
                                                      While I do not expect the Commission                    a revision to the Missouri State                      email comment directly to EPA without
asabaliauskas on DSK5VPTVN1PROD with PROPOSALS




                                                      to frequently invoke that authority going               Implementation Plan (SIP) submitted by                going through www.regulations.gov,
                                                      forward, I agree that the information in                the State of Missouri on August 5, 2014.              your email address will be
                                                      these databases would assist the                        Missouri’s SIP submission (‘‘progress                 automatically captured and included as
                                                      Commission with its responsibilities                    report SIP’’) addresses requirements of               part of the comment that is placed in the
                                                      under section 215(d)(5), as well as its                 the Clean Air Act (CAA or Act) and                    public docket and made available on the
                                                      understanding of NERC’s assessments                     EPA’s rules that require states to submit             Internet. If you submit an electronic
                                                      under section 215(g). Access to these                   periodic reports describing progress                  comment, EPA recommends that you
                                                      databases could therefore support the                   toward reasonable progress goals (RPGs)               include your name and other contact
                                                      Commission’s oversight of several steps                 established for regional haze and a                   information in the body of your


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                                                                          Federal Register / Vol. 80, No. 188 / Tuesday, September 29, 2015 / Proposed Rules                                                     58411

                                                      comment and with any disk or CD–ROM                     I. What is the background for EPA’s                    monitoring site, located at El Dorado
                                                      you submit. If EPA cannot read your                     Proposed action?                                       Springs.2 Notification was published on
                                                      comment due to technical difficulties                      States are required to submit a                     MDNR’s Air Pollution Control Program
                                                      and cannot contact you for clarification,               progress report in the form of a SIP                   Web site on April 28, 2014. A public
                                                      EPA may not be able to consider your                    revision every five years that evaluates               hearing was held on held at the St.
                                                      comment. Electronic files should avoid                  progress toward the RPGs for each                      Louis Regional Office on Thursday, May
                                                      the use of special characters, any form                 mandatory Class I Federal area within                  29, 2014.
                                                      of encryption, and be free of any defects                                                                        On August 5, 2014, MDNR submitted
                                                                                                              the state and in each mandatory Class I
                                                      or viruses.                                                                                                    the five year progress report SIP to EPA.
                                                                                                              Federal area outside the state which
                                                         Docket. All documents in the                                                                                This progress report SIP and
                                                                                                              may be affected by emissions from
                                                      electronic docket are listed in the                                                                            accompanying cover letter also included
                                                                                                              within the state. 40 CFR 51.308(g).
                                                      www.regulations.gov index. Although                                                                            a determination that the state’s existing
                                                                                                              States are also required to submit, at the
                                                                                                                                                                     regional haze SIP requires no
                                                      listed in the index, some information is                same time as the progress report, a
                                                                                                                                                                     substantive revision to achieve the
                                                      not publicly available, e.g., CBI or other              determination of the adequacy of the
                                                                                                                                                                     established regional haze visibility
                                                      information whose disclosure is                         state’s existing regional haze SIP. 40
                                                                                                                                                                     improvement and emissions reduction
                                                      restricted by statute. Certain other                    CFR 51.308(h). The first progress report
                                                                                                                                                                     goals for 2018. EPA is proposing to
                                                      material, such as copyrighted material,                 SIP is due five years after submittal of               approve Missouri’s progress report SIP
                                                      will be publicly available only in hard                 the initial regional haze SIP. The                     on the basis that it satisfies the
                                                      copy. Publicly available docket                         Missouri Department of Natural                         requirements of 40 CFR 51.308(g) and
                                                      materials are available either                          Resources (MDNR) submitted the state’s                 51.308(h).
                                                      electronically in www.regulations.gov or                first regional haze SIP on August 5,
                                                      at the Environmental Protection Agency,                 2009, and supplemented on January 30,                  II. What are the requirements for the
                                                      Air Planning and Development Branch,                    2012, in accordance with 40 CFR                        regional haze progress report SIPs and
                                                      11201 Renner Boulevard, Lenexa,                         51.308(b).1                                            adequacy determinations?
                                                      Kansas 66219. EPA requests that you                        On February 14, 2014, MDNR                          A. Regional Haze Progress Report SIP
                                                      contact the person listed in the FOR                    provided to the Federal Land Managers
                                                      FURTHER INFORMATION CONTACT section to                  a revision to Missouri’s SIP reporting on                Under 40 CFR 51.308(g), states must
                                                      schedule your inspection. The                           progress made during the first                         submit a regional haze progress report
                                                      interested persons wanting to examine                   implementation period toward RPGs for                  as a SIP revision every five years and
                                                      these documents should make an                          Class I areas in the state and Class I                 must address, at a minimum, the seven
                                                      appointment with the office at least 24                 areas outside the state that are affected              elements found in 40 CFR 51.308(g). As
                                                      hours in advance.                                       by Missouri sources. Missouri has two                  described in further detail in section III
                                                                                                              Class I areas, Mingo National Wildlife                 below, 40 CFR 51.308(g) requires a
                                                      FOR FURTHER INFORMATION CONTACT:                                                                               description of the status of measures in
                                                                                                              Refuge (Mingo) and Hercules Glades
                                                      Stephen Krabbe, Air Planning and                                                                               the approved regional haze SIP; a
                                                                                                              Wilderness Area (Hercules Glades).
                                                      Development Branch, Air and Waste                                                                              summary of emissions reductions
                                                                                                              Missouri also hosts an additional
                                                      Management Division, U.S.                                                                                      achieved; an assessment of visibility
                                                                                                              Interagency Monitoring of Protected
                                                      Environmental Protection Agency,                                                                               conditions for each Class I area in the
                                                                                                              Visual Environments (IMPROVE)
                                                      Region 7, 11201 Renner Boulevard,                                                                              state; an analysis of changes in
                                                      Lenexa, Kansas 66219 at (913) 551–7483                    1 On June 26, 2012, EPA finalized a limited          emissions from sources and activities
                                                      or by email at krabbe.stephen@epa.gov.                  approval of Missouri’s August 5, 2009, regional        within the state; an assessment of any
                                                      SUPPLEMENTARY INFORMATION:
                                                                                                              haze SIP to address the first implementation period    significant changes in anthropogenic
                                                                                                              for regional haze (77 FR 38007). In a separate         emissions within or outside the state
                                                      Throughout this document ‘‘we,’’ ‘‘us,’’                action, published on June 7, 2012 (77 FR 33642),
                                                      or ‘‘our’’ refer to EPA. This section                   EPA finalized a limited disapproval of the Missouri
                                                                                                                                                                     that have limited or impeded progress
                                                      provides additional information by                      regional haze SIP because of the State’s reliance on   in Class I areas impacted by the state’s
                                                      addressing the following:                               the Clean Air Interstate Rule to meet certain          sources; an assessment of the
                                                                                                              regional haze requirements, which EPA replaced in      sufficiency of the approved regional
                                                      I. What is the background for EPA’s Proposed            August 2011 with the Cross-State Air Pollution Rule
                                                                                                              (CSAPR) (76 FR 48208 (Aug. 8, 2011)). In the
                                                                                                                                                                     haze SIP; and a review of the state’s
                                                            action?                                                                                                  visibility monitoring strategy.
                                                      II. What are the requirements for the regional          aforementioned June 7, 2012, action, EPA finalized
                                                                                                              a Federal Implementation Plan (FIP) for Missouri to
                                                            haze progress report SIPs and adequacy            replace the State’s reliance on CAIR with reliance     B. Adequacy Determinations of the
                                                            determinations?                                   on CSAPR. Following these EPA actions, the D.C.h       Current Regional Haze SIP
                                                         A. Regional Haze Progress Report SIP                 Circuit issued a decision in EME Homer City
                                                         B. Adequacy Determination of the Current             Generation, L.P. v. EPA (‘‘EME Homer City’’), 696
                                                                                                                                                                       Under 40 CFR 51.308(h), states are
                                                            Regional Haze SIP                                 F. 3d 7 (D.C. Cir. 2012), vacating CSAPR and           required to submit, at the same time as
                                                      III. What is EPA’s analysis of Missouri’s               keeping CAIR in place pending the promulgation of      the progress report SIP, a determination
                                                            progress report SIP and adequacy                  a valid replacement rule. On April 29, 2014, the       of the adequacy of their existing
                                                            determination?                                    U.S. Supreme Court reversed the D.C. Circuit           regional haze SIP and to take one of four
                                                                                                              opinion vacating CSAPR, and remanded the case for
                                                         A. Regional Haze Progress Report SIPs                further proceedings. EME Homer City, 572 U.S. 134      possible actions based on information in
                                                         1. 40 CFR 51.308(g)(1)                               S. Ct. 1584. In the interim, CAIR remained in place.   the progress report. As described in
                                                         2. 40 CFR 51.308(g)(2)
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                                                                                                              On October 23, 2014, the D.C. Circuit granted EPA’s    further detail in section III below, 40
                                                         3. 40 CFR 51.308(g)(3)                               motion to lift the stay on CSAPR. Order of October     CFR 51.308(h) requires states to either:
                                                         4. 40 CFR 51.308(g)(4)                               23, 2014, in EME Homer City, D.C. Cir. No. 11–
                                                         5. 40 CFR 51.308(g)(5)                               1302. EPA issued an interim final rule to clarify      (1) Submit a negative declaration to EPA
                                                         6. 40 CFR 51.308(g)(6)                               how EPA will implement CSAPR consistent with
                                                         7. 40 CFR 51.308(g)(7)                               the D.C. Circuit’s order. 79 FR 71663 (December 3,        2 The El Dorado Springs IMPROVE monitoring

                                                                                                              2014) (interim final rulemaking). Subsequent to the    site is a Protocol monitoring site that is maintained
                                                         B. Determination of Adequacy of Existing             interim final rulemaking, EPA began                    by MDNR to also measure visibility impairment in
                                                            Regional Haze Plan                                implementation of CSAPR on January 1, 2015.            Missouri, but it is not located in a Federal Class I
                                                      IV. Impact of CAIR and CSAPR on Missouri’s              Section IV of this notice addresses the impact of      area. It was established to aid in determining
                                                            Progress Report                                   CAIR and CSAPR on Missouri’s progress toward           impacts to portions of the country where no Class
                                                      V. What action is EPA proposing to take?                RPGs for this five year progress report SIP.           I areas exist.



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                                                      58412               Federal Register / Vol. 80, No. 188 / Tuesday, September 29, 2015 / Proposed Rules

                                                      that no further substantive revision to                 included in the regional haze SIP for                 into a consent agreement with MDNR,
                                                      the state’s existing regional haze SIP is               achieving RPGs for Class I areas both                 and set emissions limits for SO2 and
                                                      needed; (2) provide notification to EPA                 within and outside the state.                         NOX to be met as expeditiously as
                                                      (and other states(s) that participated in                  Missouri evaluated the status of all               practicable, but no later than four years
                                                      the regional planning process) if the                   measures included in its 2009 regional                after approval of Missouri’s regional
                                                      state determines that its existing                      haze SIP in accordance with 40 CFR                    haze plan. EPA approved their regional
                                                      regional haze SIP is or may be                          51.308(g)(1). Specifically, in its progress           haze plan on June 26, 2012 (77 FR
                                                      inadequate to ensure reasonable                         report SIP, Missouri summarizes the                   38007), including the consent agreement
                                                      progress at one or more Class I areas due               status of the emissions reduction                     with Holcim-Clarksville, therefore
                                                      to emissions from sources in other                      measures that were included in the final              compliance must be achieved no later
                                                      state(s) that participated in the regional              iteration of the CENRAP regional haze                 than June 26, 2016. Since the consent
                                                      planning process, and collaborate with                  emissions inventory and RPG modeling.                 agreement was signed and initial
                                                      these other state(s) to develop additional              Such control measures included the                    regional haze plan approved, Holcim-
                                                      strategies to address deficiencies; (3)                 CAIR, BART, Tier 2 Federal emissions                  Clarksville discontinued Portland
                                                      provide notification with supporting                    standards for passenger vehicles, EPA’s               cement manufacturing and hazardous
                                                      information to EPA if the state                         Clean Air Nonroad Diesel Rule (Tier 4),               waste fuel burning operations.
                                                      determines that its existing regional                   and the NOX SIP Call. Missouri found                  Remaining operations at the facility
                                                      haze SIP is or may be inadequate to                     that these ongoing air pollution control              include receiving, storing, and shipping.
                                                      ensure reasonable progress at one or                    programs are sufficient to meet the 2018              Thus the facility’s new SO2 and NOX
                                                      more Class I areas due to emissions from                RPGs for Mingo and Hercules Glades                    potential emissions are both zero tons
                                                      sources in another country; or (4) revise               Class I areas, and that programs such as              per year, which is included in the state-
                                                      its regional haze SIP to address                        CAIR, CSAPR, and BART were very                       issued operating permit. Because no
                                                      deficiencies within one year if the state               cost-effective in reducing visibility                 other sources were found to be subject
                                                      determines that its existing regional                   impairment at Missouri’s Class I areas.               to BART, the state found that other
                                                      haze SIP is or may be inadequate to                        Missouri also discusses the status of              emission controls or alternative
                                                      ensure reasonable progress in one or                    those measures that were not included                 measures in place of BART were not
                                                      more Class I areas due to emissions from                in the final CENRAP emissions                         necessary, and no further discussion of
                                                      sources within the state.                               inventory and were not relied upon in                 the status of controls was necessary in
                                                                                                              the initial regional haze SIP to meet                 the progress report SIP.
                                                      III. What is EPA’s analysis of Missouri’s               RPGs. The state notes that the emissions
                                                      regional haze progress report and                       reductions from these measures could                     EPA proposes to conclude that
                                                      adequacy determination?                                 aid in reducing visibility impairment                 Missouri has adequately addressed the
                                                         On August 5, 2014, MDNR submitted                    and in achieving the RPGs in Missouri’s               status of control measures in its regional
                                                      a revision to Missouri’s regional haze                  Class I areas. The measures include the               haze SIP as required by 40 CFR
                                                      SIP to address progress made toward                     2010 SO2 NAAQS Attainment                             51.308(g)(1). Missouri describes the
                                                      RPGs of Class I areas in the state and                  Demonstrations, Illinois Multi-Pollutant              implementation status of measures from
                                                      Class I areas outside the state that are                Regulation, Federal Tier 3 vehicle                    its regional haze SIP, including the
                                                      affected by emissions from Missouri’s                   emission and fuel standards, and the                  status of control measures to meet BART
                                                      sources. This progress report SIP also                  2007 Federal Heavy-Duty Highway                       and reasonable progress requirements,
                                                      included a determination of the                         Rule.                                                 the status of significant measures
                                                      adequacy of the state’s existing regional                  In addition, Missouri addressed                    resulting from EPA regulations, as well
                                                      haze SIP. Missouri has two Class I areas                facilities with expected emission                     as measures that came into effect since
                                                      within its borders, and maintains an                    changes to occur between 2012 and                     the CENRAP analyses for the regional
                                                      additional IMPROVE monitoring site.                     2017. These changes were not included                 haze SIP were completed.
                                                      MDNR utilized particulate matter source                 in the 2009 initial regional haze SIP                 2. 40 CFR 51.308(g)(2)
                                                      apportionment (PSAT) techniques for                     modeling, as they are not yet permanent
                                                      photochemical modeling conducted by                     and enforceable.                                        40 CFR 51.308(g)(2) requires a
                                                      the Central Regional Air Planning                          EPA proposes to find that Missouri’s               summary of the emissions reductions
                                                      Association (CENRAP) to identify two                    analysis adequately addresses 40 CFR                  achieved in the state through the
                                                      Class I areas in nearby Arkansas                        51.308(g)(1). The state documents the                 measures subject to 40 CFR 51.308(g)(1).
                                                      potentially impacted by Missouri                        implementation status of measures from                  In its regional haze SIP and progress
                                                      sources: Upper Buffalo Wilderness Area                  its regional haze SIP and describes                   report SIP, Missouri focuses its
                                                      (UBWA) and Caney Creek Wilderness                       significant measures resulting from EPA               assessment on NOX and SO2 emissions
                                                      Area (CCWA). 77 FR 38007.                               regulations other than the regional haze
                                                                                                                                                                    from electric generating units (EGUs)
                                                                                                              program as they pertain to the state’s
                                                      A. Regional Haze Progress Report SIPs                                                                         because available information from
                                                                                                              sources. The progress report SIP
                                                                                                                                                                    multiple sources (CENRAP, EPA’s Clean
                                                        The following sections summarize: (1)                 highlights the effect of several Federal
                                                                                                                                                                    Air Markets Division (CAMD), etc.)
                                                      Each of the seven elements that must be                 control measures both nationally and in
                                                                                                                                                                    determined that these compounds
                                                      addressed by the progress report under                  the CENRAP region, and when possible,
                                                                                                                                                                    accounted for the majority of the
                                                      40 CFR 51.308(g); (2) how Missouri’s                    in the state.
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                                                                                                                                                                    visibility-impairing pollution in the
                                                      progress report SIP addressed each                         Regarding the status of BART and
                                                                                                                                                                    Central Region.
                                                      element; and (3) EPA’s analysis and                     reasonable progress control
                                                      proposed determination as to whether                    requirements for sources in the state,                   During the period from 2007–2012,
                                                      the state satisfied each element.                       Missouri’s progress report SIP notes that             SO2 emissions decreased by 45.6% as a
                                                                                                              of the twenty-six potential BART                      result of several factors, including
                                                      1. 40 CFR 51.308(g)(1)                                  sources identified, only one source was               installation of controls, units switching
                                                         40 CFR 51.308(g)(1) requires a                       subject to BART. This remaining source,               to cleaner fuels, load shifting from
                                                      description of the status of                            Holcim (US) Inc. (Holcim-Clarksville),                dirtier units to cleaner units, and an
                                                      implementation of all measures                          located in Clarksville, Missouri, entered             overall decrease in demand for


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                                                                          Federal Register / Vol. 80, No. 188 / Tuesday, September 29, 2015 / Proposed Rules                                            58413

                                                      generation.3 Missouri noted that the                    controls was necessary in this progress                     Hercules Glades has an established
                                                      downward trend continued, even                          report SIP.                                              baseline condition of 26.75 dv for the
                                                      though demand increased during the                                                                               most impaired days. Current visibility
                                                                                                              3. 40 CFR 51.308(g)(3)
                                                      period from 2009 through 2011.                                                                                   conditions (for the five year period from
                                                      Additionally, there was a 43.4 percent                     40 CFR 51.308(g)(3) requires that                     2008–2012) are 23.5 dv for the 20
                                                      decrease in pounds of SO2 generated per                 states with Class I areas provide the                    percent worst days, showing 3.25 dv of
                                                      MMBtu of energy produced. Missouri                      following information for the most                       improvement. Baseline conditions for
                                                      stated this decrease in emissions, while                impaired and least impaired days for                     the least impaired days are 12.8 dv.
                                                      demand remained relatively steady,                      each area, with values expressed in                      Current visibility conditions are 11.3 dv
                                                      indicates that the reductions reflect                   terms of five-year averages of these                     for the 20 percent best days, showing
                                                      cleaner generation and not decreased                    annual values: 5                                         1.5 dv of improvement. Further, for both
                                                      electricity demand.                                       (i) Current visibility conditions;                     the most impaired days and the least
                                                         During that same period, NOX                           (ii) the difference between current                    impaired days, there has been a steady
                                                      emissions generally decreased, as did                   visibility conditions and baseline visibility            downward trend in the rolling average
                                                      the generation rate of NOX. However,                    conditions; and                                          visibility, meaning visibility has
                                                      neither NOX emissions nor NOX                             (iii) the change in visibility impairment              improved since the baseline for both the
                                                      generation trended downward every                       over the past five years.
                                                                                                                                                                       worst and the best days. Looking at SO2,
                                                      year.                                                      Missouri provides figures with the                    there has been a steady downward trend
                                                         Missouri noted that as additional                    latest supporting data available at the                  in visibility impairment since the
                                                      controls are installed to meet the                      time that it developed the progress                      baseline for the worst 20 percent days,
                                                      stringent requirements of CSAPR, the                    report SIP that address the three                        and a general downward trend in
                                                      Industrial Boiler Maximum Achievable                    requirements of 40 CFR 51.308(g)(3) for                  visibility impairment since the baseline
                                                      Control Technology (MACT) regulation,                   Mingo and Hercules Glades. For the first                 for the best 20 percent days. Missouri
                                                      and the Mercury and Air Toxics                          regional haze SIPs, baseline conditions                  noted that the goal was to show
                                                      Standard (MATS),4 emission rates are                    were represented by the 2000–2004 time                   improvement in the worst visibility
                                                      expected to decrease even further.                      period. 64 FR 35730. Baseline visibility                 days, and show no further degradation
                                                      Missouri asserts that the current                       conditions at Mingo are 28.02 deciviews                  on the best days; in fact, monitored data
                                                      downward trend, particularly for SO2 as                 (dv) for the most impaired (20 percent                   showed improvement in both. Missouri
                                                      the species of predominant concern to                   worst) days and 14.3 dv for the least                    also noted that for the worst 20 percent
                                                      visibility impairment at Mingo and                      impaired (20 percent best) days. Current                 days, the established 2018 RPG is 23.06
                                                      Hercules Glades, plus the imminent                      visibility conditions (for the five year                 dv, and that based on the current rate of
                                                      implementation of additional federal                    period from 2008–2012) are 25.7 dv for                   improvement, it is expected that this
                                                      regulations, reinforces their                           the 20 percent worst days and 13.1 dv                    RPG will be met.
                                                      determination that Missouri’s Class I                   for the 20 percent best days. The                           Missouri also has an IMPROVE
                                                      areas will meet the established RPGs in                 difference between current visibility                    Protocol monitoring site located in El
                                                      the required timeframe.                                 and baseline visibility for the 20 percent               Dorado Springs. This is not a Class I
                                                         EPA proposes to conclude that                        worst days is 2.3 dv of improvement                      area, but does provide a more
                                                      Missouri has adequately addressed 40                    (i.e., 28.0–25.7 dv). The difference                     comprehensive data set in areas where
                                                      CFR 51.308(g)(2). The state provides                    between current visibility and baseline                  Class I areas are spread out. Missouri
                                                      actual emissions reductions of NOX and                  visibility conditions for the 20 percent                 established a baseline condition for the
                                                      SO2 from EGUs in Missouri that have                     best days is 1.2 dv of improvement (i.e.,                period from 2005–2007, with 26.97 dv
                                                      occurred since Missouri submitted its                   14.3–13.1 dv). Further, visibility                       for the 20 percent worst days. Missouri
                                                      regional haze SIP. Missouri                             impairment due to SO2 has shown a                        stated that the analysis and trends at El
                                                      appropriately focused on SO2, and to a                  downward trend (improved visibility) in                  Dorado Springs help strengthen the
                                                      lesser extent, NOX, emissions from its                  terms of the 5-year rolling average for                  argument that visibility conditions
                                                      EGUs in its progress report SIP because                 the worst 20 percent days for each of the                across the entire state, not just at the
                                                      it previously identified these emissions                five-year progress periods evaluated by                  Class I areas, are improving and are
                                                      as the most significant contributors to                 Missouri. Visibility has also improved                   expected to achieve the 2018 RPGs.
                                                      visibility impairment at Missouri’s Class               in nearly all of the five-year progress                     Nearby Class I areas in Arkansas were
                                                      I areas. Given the large SO2 and NOX                    periods for SO2 for the best 20 percent                  also reviewed in Missouri’s progress
                                                      reductions at EGUs that have actually                   days. Missouri noted that the goal for                   report SIP. Upper Buffalo Wildlife Area
                                                      occurred, further analysis of emissions                 the 20 percent best sampling days is to                  and Caney Creek Wildlife Area both
                                                      from other sources or other pollutants                  show no degradation in visibility                        show a downward trend in visibility
                                                      was ultimately unnecessary in this first                conditions from the baseline; and                        impairment for the worst 20 percent
                                                      implementation period. Because no                       available monitored data for the first                   days. This downward trend is also seen
                                                      additional controls were found to be                    planning period showed no degradation,                   in SO2 measurements and total light
                                                      needed for reasonable progress for the                  and in fact showed improvement.                          extinction. Missouri notes that this
                                                      first implementation period for                         Missouri noted that for the worst 20                     trend at the Class I areas outside the
                                                      evaluated sources in Missouri, EPA                      percent days, the established 2018 RPG                   state that are affected by Missouri’s
                                                                                                                                                                       sources supports the claim that
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                                                      proposes to find that no further                        is 23.71 dv, and that based on the
                                                      discussion of emissions reductions from                 current rate of improvement, it is                       Missouri’s current strategy is still
                                                                                                              expected that this RPG will be met.                      adequate and that reductions achieved
                                                        3 See also sections III.A.4 and III.A.6 of this                                                                in Missouri have benefited areas both in
                                                      action.                                                    5 The ‘‘most impaired days’’ and ‘‘least impaired     and outside the state.
                                                        4 Since the submission of the Regional Haze           days’’ in the regional haze rule refers to the average      EPA proposes to conclude that
                                                      Progress SIP, the MATS rule was remanded to the         visibility impairment (measured in deciviews) for        Missouri has adequately addressed 40
                                                      D.C. Circuit by the Supreme Court on June 29, 2015,     the twenty percent of monitored days in a calendar
                                                      in Michigan et al. v. Environmental Protection          year with the highest and lowest amount of
                                                                                                                                                                       CFR 51.308(g)(3). The state provides the
                                                      Agency et al. (Slip. Op. 14–46, lll                     visibility impairment, respectively, averaged over a     information regarding visibility
                                                      U.S.lll(2015)).                                         five-year period. 40 CFR 51.301.                         conditions and notes that no changes


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                                                      58414               Federal Register / Vol. 80, No. 188 / Tuesday, September 29, 2015 / Proposed Rules

                                                      are needed to meet the requirements of                  (BEIS) version 3.14, developed by EPA                 managing smoke from fires managed for
                                                      40 CFR 51.308(g)(3). The progress report                to model the biogenic emissions for the               resource benefits. The intent is to
                                                      SIP includes current conditions based                   NEI, did not address changes to                       mitigate nuisance and public safety
                                                      on the latest available IMPROVE                         vegetation or other factors between                   hazards; to prevent deterioration of air
                                                      monitoring data for the years 2008–                     years, so the state cannot specifically               quality and NAAQS violations; and to
                                                      2012, the difference between current                    address why some pollutants increased.                address visibility impacts in mandatory
                                                      visibility conditions and baseline                         Missouri noted that the purpose at                 federal Class I areas. Missouri noted that
                                                      visibility conditions, and the change in                this point is to evaluate the paramount               if in the future there is a fire event that
                                                      visibility impairment over the most                     pollutants to visibility improvement,                 results in a NAAQS violation or other
                                                      recent five-year period for which data                  SO2 and NOX, and notes that both show                 extreme case, the SMP may be re-
                                                      were available at the time of the                       a steady downward trend over the last                 evaluated.
                                                      progress report SIP development (i.e.,                  five years, which can be linked to                       EPA proposes to conclude that
                                                      2008–2012).                                             steadily improving visibility conditions.             Missouri has adequately addressed 40
                                                                                                                 EPA proposes to conclude that                      CFR 51.308(g)(5). Missouri
                                                      4. 40 CFR 51.308(g)(4)                                  Missouri has adequately addressed 40                  demonstrated that there are no
                                                         40 CFR 51.308(g)(4) requires an                      CFR 51.308(g)(4). While ideally the five-             significant changes in anthropogenic
                                                      analysis tracking emissions changes of                  year period to be analyzed for emissions              emissions that have impeded progress
                                                      visibility-impairing pollutants from the                inventory changes is the time period                  in reducing emissions and improving
                                                      state’s sources by type or category over                since the current regional haze SIP was               visibility in Class I areas impacted by
                                                      the past five years based on the most                   submitted, there is an inevitable time                Missouri’s sources. The state referenced
                                                      recent updated emissions inventory.                     lag in developing and reporting                       its analyses in the progress report SIP
                                                         In its progress report SIP, Missouri                 complete emissions inventories once                   identifying an overall downward trend
                                                      presents data from a statewide                          quality-assured emissions data becomes                from 2007 to 2012. Further, the progress
                                                      emissions inventories conducted in                      available. Therefore, EPA believes there              report SIP shows that Missouri is on
                                                      2005, 2008, and 2011. This data was                     is some flexibility in the five-year time             track to meet its 2018 emissions
                                                      reported in the National Emissions                      period that states can select, Missouri               projections. Lastly, Missouri
                                                      Inventory (NEI) for each of those years.                tracked changes in emissions of                       acknowledges that plans may be revised
                                                      Pollutants inventoried include carbon                   visibility-impairing pollutants using the             as necessary.
                                                      oxides, ammonia, NOX, coarse                            2005, 2008, and 2011 National
                                                      particulate matter, fine particulate                    Emissions Inventory, the latter of which              6. 40 CFR 51.308(g)(6)
                                                      matter (PM2.5), SO2, and volatile organic               was the most recent updated inventory                    40 CFR 51.308(g)(6) requires an
                                                      compounds. The emissions inventories                    of actual emissions for the state at the              assessment of whether the current
                                                      from all three datasets include the                     time that it developed the progress                   regional haze SIP is sufficient to enable
                                                      following sources: Nonpoint, non-road/                  report SIP. EPA believes that Missouri’s              Missouri, or other states, to meet the
                                                      area, on-road, point, and biogenic                      use of the seven-year period from 2005–               RPGs for Class I areas affected by
                                                      sources. Missouri noted that changes in                 2011 reflects a conservative picture of               emissions from the state.
                                                      how data is reported under the NEI may                  the actual emissions realized between                    In its progress report, Missouri states
                                                      impact certain species.                                 2005–2014, because there is a general                 that it believes that the elements and
                                                         Missouri examined primarily point-                   downward trend in both SO2 and NOX                    strategies outlined in its original
                                                      source emissions, because control of                    emissions.                                            regional haze SIP are sufficient to enable
                                                      point sources provides a higher level of                                                                      Missouri and other neighboring states to
                                                      reduction certainty than other source                   5. 40 CFR 51.308(g)(5)                                meet all the established RPGs. To
                                                      sectors, and therefore is the most                         40 CFR 51.308(g)(5) requires an                    support this, Missouri notes that based
                                                      relevant to visibility improvement. The                 assessment of any significant changes in              on available monitored data, the current
                                                      state noted that the decreasing trend in                anthropogenic emissions within or                     trendline is below the glidepath from
                                                      point source emissions of SO2 and NOX                   outside the state that have occurred over             baseline conditions to the 2018 RPGs.
                                                      are of greatest significance to visibility              the past five years that have limited or              Visibility is improving at both Class I
                                                      improvement. Other changes in                           impeded progress in reducing pollutant                areas in Missouri, at the El Dorado
                                                      emission levels that were noted include                 emissions and improving visibility in                 Springs IMPROVE protocol site, and at
                                                      increases in CO levels and increases in                 Class I areas impacted by the state’s                 the two Class I areas in Arkansas
                                                      PM2.5. Missouri noted that increases in                 sources.                                              affected by Missouri sources. Thus,
                                                      PM2.5 emissions are due to updated                         In its progress report SIP, Missouri               Missouri concludes that the realized
                                                      stack test emission factors and increased               indicates that visibility and pollutant               and planned controls and reductions
                                                      activity at several sources. Missouri also              trends from the three monitoring sites                that form the current strategy for this
                                                      noted that fire source emissions                        have an overall downward trend in                     first implementation period are
                                                      increased for all pollutants between                    visibility impairment. The state noted                sufficient to meet the established RPGs.
                                                      2008 and 2011, as explained in EPA’s                    that an anomalous peak appears in the                    EPA proposes to conclude that
                                                      2011 NEIv1 Technical Support                            data for 2010, especially at the El                   Missouri has adequately addressed 40
                                                      Document (November 2013.) This                          Dorado protocol site. Missouri notes                  CFR 51.308(g)(6). EPA views this
                                                      document estimates about 30 percent                     that this can most likely be attributed to            requirement as a qualitative assessment
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                                                      more acres burned in 2011 than in 2008                  a fire event that occurred that year.                 that should evaluate emissions and
                                                      due to several forest fires of over 1,000               Missouri State University in Springfield,             visibility trends and other readily
                                                      acres within the Mark Twain National                    Missouri, monitored an exceedance of                  available information, including
                                                      Forest in southern Missouri.                            PM2.5 on March 6, 2010. Prior to March                expected emissions reductions
                                                         Biogenic emissions also changed                      6, 2010, there was a prescribed                       associated with measures with
                                                      between 2008 and 2011, with some                        agricultural burn in the region. The                  compliance dates that have not yet
                                                      pollutants increasing and some                          state’s current Smoke Management Plan                 become effective. Missouri referenced
                                                      decreasing. Missouri notes that the                     (SMP) establishes a basic framework of                the improving visibility trends at
                                                      Biogenic Emissions Inventory System                     procedures and requirements for                       affected Class I areas and the downward


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                                                                          Federal Register / Vol. 80, No. 188 / Tuesday, September 29, 2015 / Proposed Rules                                                 58415

                                                      emissions trends in the state, with a                   protocol site in Missouri, and that                   notwithstanding that it was stayed at the
                                                      focus on SO2 and NOX emissions from                     emissions reductions and visibility                   time. As we explained, the
                                                      Missouri’s EGUs that support Missouri’s                 improvement are expected to continue                  determination that CSAPR will provide
                                                      determination that its regional haze SIP                over the next five years. Based on these              for greater reasonable progress than
                                                      is sufficient to meet RPGs for Class I                  findings, EPA proposes to agree with                  BART is based on a forward-looking
                                                      areas in Missouri and outside of                        Missouri’s conclusion under 40 CFR                    projection of emissions and any year up
                                                      Missouri impacted by Missouri sources.                  51.308(h) that no further substantive                 to 2018 would have been an acceptable
                                                      EPA believes that Missouri’s conclusion                 changes to its regional haze SIP are                  point of comparison. Id. At 33647.
                                                      regarding the sufficiency of the regional               required at this time.                                When we issued this FIP, we
                                                      haze SIP is appropriate because of the                                                                        anticipated that the requirements of
                                                                                                              IV. What is the impact of CAIR and
                                                      calculated visibility improvement using                                                                       CSAPR would be implemented prior to
                                                                                                              CSAPR on Missouri’s progress report?
                                                      the latest available data and the                                                                             2018. Id. Following these EPA actions,
                                                      downward trend in SO2 and NOX                              Decisions by the Courts regarding                  however, the D.C. Circuit issued a
                                                      emissions from EGUs in Missouri.                        EPA rules addressing interstate                       decision in EME Homer City (696 F.3d
                                                                                                              transport of pollutants have had a                    7 (D.C. Cir. 2012)), vacating CSAPR and
                                                      7. 40 CFR 51.308(g)(7)                                  substantial impact on EPA’s review of
                                                                                                                                                                    ordering EPA to continue administering
                                                         40 CFR 51.308(g)(7) requires a review                the regional haze SIPs of many states. In
                                                                                                                                                                    CAIR pending the promulgation of a
                                                      of the state’s visibility monitoring                    2005, EPA issued regulations allowing
                                                                                                                                                                    valid replacement. On April 28, 2014,
                                                      strategy and an assessment of whether                   states to rely on the Clean Air Interstate
                                                                                                                                                                    the Supreme Court reversed the D.C.
                                                      any modifications to the monitoring                     Rule (CAIR) to meet certain
                                                                                                                                                                    Circuit’s decision on CSAPR and
                                                      strategy are necessary. In its progress                 requirements of the Regional Haze Rule.
                                                      report SIP, Missouri summarizes the                     See 70 FR 39104 (July 6, 2005).6 A                    remanded the case to the D.C. Circuit for
                                                      existing IMPROVE monitoring network                     number of states, including Missouri,                 further proceedings. EPA v. EME Homer
                                                      and its intended continued reliance on                  submitted regional haze SIPs consistent               City Generation, L.P., 134 S. Ct. 1584
                                                      IMPROVE for visibility planning.                        with these regulatory provisions. CAIR,               (2014). After the Supreme Court
                                                      Missouri notes that it will continue                    however, was remanded to EPA in 2008,                 decision, EPA filed a motion to lift the
                                                      IMPROVE monitoring at Hercules                          North Carolina v. EPA, 550 F. 3d 1176,                stay on CSAPR and asked the D.C.
                                                      Glades and Mingo, consistent with the                   1178 (D.C. Cir. 2008), and replaced by                Circuit to toll CSAPR’s compliance
                                                      requirements of 40 CFR 51.308(d)(4)(iv).                CSAPR.7 76 FR 48208 (August 8, 2011).                 deadlines by three years, so that the
                                                      Missouri also notes that IMPROVE                        Implementation of CSAPR was                           Phase 1 emissions budgets apply in
                                                      protocol monitoring will continue at El                 scheduled to begin on January 1, 2012,                2015 and 2016 (instead of 2012 and
                                                      Dorado Springs, since the data can                      when CSAPR would have superseded                      2013), and the Phase 2 emissions
                                                      supplement potential data analysis                      the CAIR program. However, numerous                   budgets apply in 2017 and beyond
                                                      projects which may be needed to                         parties filed petitions for review of                 (instead of 2014 and beyond). On
                                                      address PM2.5 NAAQS.                                    CSAPR, and at the end of 2011, the D.C.               October 23, 2014, the D.C. Circuit
                                                         EPA proposes to conclude that                        Circuit issued an order staying CSAPR                 granted EPA’s motion. Order of October
                                                      Missouri has adequately addressed the                   pending resolution of the petitions and               23, 2014, in EME Homer City
                                                      sufficiency of its monitoring strategy as               directing EPA to continue to administer               Generation, L.P. v. EPA, D.C. Cir. No.
                                                      required by 40 CFR 51.308(g)(7).                        CAIR. Order of December 30, 2011, in                  11–1302. EPA issued an interim final
                                                      Missouri reaffirmed its continued                       EME Homer City Generation, L.P. v.                    rule to clarify how EPA will implement
                                                      reliance upon the IMPROVE monitoring                    EPA, D.C. Cir. No. 11–1302.                           CSAPR consistent with the D.C.
                                                      network.                                                   EPA finalized a limited approval of                Circuit’s order granting EPA’s motion
                                                                                                              Missouri’s regional haze SIP on June 26,              requesting lifting the stay and tolling the
                                                      B. Determination of Adequacy of                         2012. 77 FR 38007. In a separate action,              rule’s deadlines. 79 FR 71663
                                                      Existing Regional Haze Plan                             published on June 7, 2012, EPA                        (December 3, 2014) (interim final
                                                         Under 40 CFR 51.308(h), states are                   finalized a limited disapproval of the                rulemaking).8
                                                      required to take one of four possible                   Missouri regional haze SIP because of                    Throughout the litigation described
                                                      actions based on the information                        the state’s reliance on CAIR to meet                  above, EPA has continued to implement
                                                      gathered and conclusions made in the                    certain regional haze requirements, and               CAIR. Thus, at the time that Missouri
                                                      progress report SIP.                                    issued a Federal Implementation Plan                  submitted its progress report SIP
                                                         In its progress report SIP, Missouri                 (FIP) to address the deficiencies                     revision, CAIR was in effect, and the
                                                      took the action provided for by 40 CFR                  identified in the limited disapproval of              State included an assessment of the
                                                      51.308(h)(1), which allows a state to                   Missouri and other states’ regional haze              emission reductions from the
                                                      submit a negative declaration to EPA if                 plans. 77 FR 33642 (June 7, 2012). In                 implementation of CAIR in its report.
                                                      the state determines that the existing                  our FIP, we relied on CSAPR to meet                   The progress report discussed the status
                                                      regional haze SIP requires no further                   certain regional haze requirements                    of litigation concerning CAIR and
                                                      substantive revision at this time to                                                                          CSAPR, but because CSAPR was not at
                                                      achieve the RPGs for Class I areas                        6 CAIR required certain states like Missouri to
                                                                                                                                                                    that time in effect, Missouri did not take
                                                      affected by the state’s sources. The basis              reduce emissions of sulfur dioxide (SO2) and
                                                                                                              nitrogen odixes (NOX) that significantly contribute   emissions reductions from CSAPR into
                                                      for Missouri’s negative declaration is the
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                                                                                                              to downwind nonattainment of the 1997 National        account in assessing its regional haze
                                                      findings from the progress report (as                   Ambient Air Quality Standard (NAAQS) for fine         implementation plan. For the same
                                                      discussed in section III.A of this action),             particulate matter (PM2.5) and ozone. See 70 FR
                                                                                                                                                                    reason, EPA is not assessing at this time
                                                                                                              25162 (May 12, 2005).
                                                      including the findings that: SO2 and                      7 CSAPR was issued by EPA to replace CAIR and       the impact of CSAPR on our FIP on the
                                                      NOX emissions from Missouri’s sources                   to help states reduce air pollution and attain CAA    ability of Missouri and its neighbors to
                                                      have decreased below original                           standards. See 76 FR 48208 (August 8, 2011) (final    meet their reasonable progress goals.
                                                      projections, that visibility has improved               rule). CSAPR requires substantial reductions of SO2
                                                                                                              and NOX emissions from EGUs in 28 states in the
                                                      at both Class I areas in Missouri, both                 Eastern United States that significantly contribute     8 Subsequent to the interim final rulemaking, EPA
                                                      Class I areas in Arkansas affected by                   to downwind nonattainment of the 1997 PM2.5 and       began implementation of CSAPR on January 1,
                                                      Missouri’s sources, and at the IMPROVE                  ozone NAAQS and 2006 PM2.5 NAAQS.                     2015.



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                                                      58416                Federal Register / Vol. 80, No. 188 / Tuesday, September 29, 2015 / Proposed Rules

                                                         Given the complex background                         relied on CAIR as an ‘‘enforceable                    setting their reasonable progress goals
                                                      summarized above, EPA is proposing to                   measure.’’ See 77 FR 76415 (December                  beginning in January 2015 at least
                                                      determine that Missouri appropriately                   28, 2012) (redesignation of Huntington-               through the remainder of the first
                                                      took CAIR into account in its progress                  Ashland, West Virginia); and similar                  implementation period in 2018, EPA is
                                                      report SIP in describing the status of the              examples. While EPA did previously                    proposing to approve Missouri’s finding
                                                      implementation of measures included in                  state in a rulemaking action on the                   that there is no need for revision of the
                                                      its regional haze SIP and in                            Florida regional haze SIP that a five year            existing implementation plan for
                                                      summarizing the emissions reductions                    progress report may be the appropriate                Missouri to achieve the reasonable
                                                      achieved. CAIR was in effect during the                 time to address changes, if necessary,                progress goals for the Class I areas in
                                                      2008–2014 period addressed by                           for reasonable progress goal                          Missouri and for Class I areas in nearby
                                                      Missouri’s progress report. EPA                         demonstrations and long term strategies,              states impacted by Missouri sources.
                                                      approved Missouri’s regulations                         EPA does not believe the remanded
                                                      implementing CAIR as part of the                        status of CAIR or the implementation of                  We note that the Regional Haze Rule
                                                      Missouri SIP in 2009, and neither                       its replacement CSAPR at this time                    provides for periodic evaluation and
                                                      Missouri nor EPA has taken any action                   impacts the adequacy of the Missouri                  assessment of a state’s reasonable
                                                      to remove CAIR from the Missouri SIP.                   regional haze SIP to address reasonable               progress toward achieving the national
                                                      See 40 CFR 52.2520(c). Therefore,                       progress from 2008 through 2014 to                    goal of natural visibility conditions by
                                                      Missouri appropriately evaluated and                    meet requirements in 40 CFR 51.308(g)                 2064 for CAA section 169A(b). The
                                                      relied on CAIR reductions to                            and (h) because CAIR was implemented                  regional haze regulations at 40 CFR
                                                      demonstrate the State’s progress toward                 during the time period evaluated by                   51.308 required states to submit initial
                                                      meeting its reasonable progress goals.9                 Missouri for its progress report. See                 SIPs in 2007 providing for reasonable
                                                      The State’s progress report also                        generally 77 FR 73369, 73371                          progress toward the national goal for the
                                                      demonstrated Class I areas in other                     (December 10, 2012) (proposed action                  first implementation period from 2008
                                                      states impacted by Missouri sources                     on Florida haze SIP).                                 through 2018. 40 CFR 51.308(b).
                                                      were on track to meet their reasonable                     EPA’s December 3, 2014, interim final              Pursuant to 40 CFR 51.308(f), SIP
                                                      progress goals. EPA’s intention in                      rule sunsets CAIR compliance                          revisions reassessing each state’s
                                                      requiring the progress reports pursuant                 requirements on a schedule coordinated                reasonable progress toward the national
                                                      to 40 CFR 51.308(g) was to ensure that                  with the implementation of CSAPR                      goal are due every five years after that
                                                      emission management measures in the                     compliance requirements. 79 FR at
                                                                                                                                                                    time. For such subsequent regional haze
                                                      regional haze SIPs are being                            71655. As noted above, EPA’s June 7,
                                                                                                                                                                    SIPs, 40 CFR 51.308(f) requires each
                                                      implemented on schedule and that                        2012, FIP replaced Missouri’s reliance
                                                                                                                                                                    state to reassess its reasonable progress
                                                      visibility improvement appears to be                    upon CAIR for regional haze
                                                                                                              requirements with reliance on CSAPR to                and all the elements of its regional haze
                                                      consistent with the reasonable progress
                                                                                                              meet those requirements for the long-                 SIP required by 40 CFR 51.308(d),
                                                      goals. 64 FR 35713, 35747 (July 1, 1999).
                                                                                                              term. Because CSAPR should result in                  taking into account improvements in
                                                      As the D.C. Circuit only recently lifted
                                                      the stay on CSAPR, CAIR was in effect                   greater emissions reductions of SO2 and               monitors and control technology,
                                                      in Missouri through 2014, providing the                 NOX than CAIR throughout the affected                 assessing the state’s actual progress and
                                                      emission reductions relied upon in                      region, including in Missouri and                     effectiveness of its long term strategy,
                                                      Missouri’s regional haze SIP. Thus,                     neighboring states, EPA expects                       and revising reasonable progress goals
                                                      Missouri appropriately took into                        Missouri to maintain and continue its                 as necessary. 40 CFR 51.308(f)(1)–(3).
                                                      account CAIR reductions in assessing                    progress toward its reasonable progress               Therefore, Missouri has the opportunity
                                                      the implementation of measures in the                   goals for 2018 through continued and                  to reassess its reasonable progress goals
                                                      regional haze SIP for the 2008–2014                     additional SO2 and NOX reductions. See                and the adequacy of its regional haze
                                                      timeframe, and EPA believes that it is                  generally 76 FR 48208 (promulgating                   SIP, including its reliance upon CAIR
                                                      appropriate to rely on CAIR emission                    CSAPR).                                               and CSAPR for emission reductions
                                                      reductions for purposes of assessing the                   At the present time, the requirements              from EGUs, when it prepares and
                                                      adequacy of Missouri’s progress report                  of CSAPR apply to sources in Missouri                 submits its second regional haze SIP to
                                                      demonstrating progress up to the end of                 under the terms of a FIP, because                     cover the implementation period from
                                                      2014 as CAIR remained effective until                   Missouri to date has not incorporated                 2018 through 2028. As discussed
                                                      that date, pursuant to 40 CFR 51.308(g)                 the CSAPR requirements into its SIP.                  previously in this notice, emissions of
                                                      and (h).                                                The Regional Haze Rule requires an                    SO2 and NOX are below original
                                                         In addition, EPA also believes                       assessment of whether the current                     trendline projections for the first
                                                      reliance upon CAIR reductions to show                   ‘‘implementation plan’’ is sufficient to              implementation period, and in some
                                                      Missouri’s progress toward meeting its                  enable the states to meet all established             cases, are below projections for 2018. In
                                                      RPGs from 2008–2014 is consistent with                  reasonable progress goals. 40 CFR                     addition, the visibility data provided by
                                                      our prior actions. During the continued                 51.308(g)(6). The term ‘‘implementation               Missouri shows that their Class I areas
                                                      implementation of CAIR per the                          plan’’ is defined for purposes of the                 and Class I areas affected by Missouri
                                                      direction of the D.C. Circuit through                   Regional Haze Rule to mean ‘‘any [SIP],
                                                                                                                                                                    sources are all currently on track to
                                                      October 2014, EPA has approved                          [FIP], or Tribal Implementation Plan.’’
                                                                                                                                                                    achieve their reasonable progress goals.
                                                                                                              40 CFR 51.301. EPA is, therefore,
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                                                      redesignations of areas to attainment of
                                                      the 1997 PM2.5 NAAQS in which states                    proposing to determine that we may                    V. What action is EPA proposing to
                                                                                                              consider measures in any issued FIP as                take?
                                                        9 EPA discussed earlier in this notice the            well as those in a state’s regional haze
                                                      significance of reductions in SO2 and NOX, as           SIP in assessing the adequacy of the                    EPA is proposing approval of a
                                                      Missouri and the Central Regional Air Planning          ‘‘existing implementation plan’’ under                revision to the Missouri SIP, submitted
                                                      Association (CENRAP) identified SO2 and NOX as          40 CFR 51.308(g)(6) and (h). Because                  by the State of Missouri on August 5,
                                                      the largest contributor pollutants to visibility
                                                      impairment at Missouri’s Class I areas, as well as
                                                                                                              CSAPR will ensure the control of SO2                  2014, as meeting the applicable regional
                                                      those Class I areas affected by Missouri’s sources,     and NOX emissions reductions relied                   haze requirements as set forth in 40 CFR
                                                      specifically, and in the CENRAP region generally.       upon by Missouri and other states in                  51.308(g) and 51.308(h).


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                                                                          Federal Register / Vol. 80, No. 188 / Tuesday, September 29, 2015 / Proposed Rules                                           58417

                                                      VI. Statutory and Executive Order                       List of Subjects in 40 CFR Part 52                    including attachments and other
                                                      Reviews                                                   Environmental protection, Air                       supporting materials, will be part of the
                                                         Under the CAA, the Administrator is                  pollution control, Incorporation by                   public record and subject to public
                                                      required to approve a SIP submission                    reference, Intergovernmental relations,               disclosure. You should only submit
                                                      that complies with the provisions of the                Nitrogen oxides, Particulate matter,                  information that you wish to make
                                                      CAA and applicable Federal regulations.                 Reporting and recordkeeping                           publicly available.
                                                      42 U.S.C. 7410(k); 40 CFR 52.02(a).                     requirements, Sulfur dioxide, Volatile                   Mail: Send to Gulf Coast Ecosystem
                                                      Thus, in reviewing SIP submissions,                     organic compounds.                                    Restoration Council, 500 Poydras Street,
                                                      EPA’s role is to approve state choices,                                                                       Suite 1117, New Orleans, LA 70130.
                                                                                                               Dated: September 14, 2015.
                                                      provided that they meet the criteria of                                                                       FOR FURTHER INFORMATION CONTACT:
                                                                                                              Mark Hague,
                                                      the CAA. Accordingly, this action                                                                             Please send questions by email to
                                                      merely proposes to approve state law as                 Acting Regional Administrator, Region 7.              frcomments@restorethegulf.gov, or
                                                      meeting Federal requirements and does                   [FR Doc. 2015–24461 Filed 9–28–15; 8:45 am]           contact Will Spoon at (504) 239–9814.
                                                      not impose additional requirements                      BILLING CODE 6560–50–P
                                                                                                                                                                    SUPPLEMENTARY INFORMATION:
                                                      beyond those imposed by state law. For
                                                      that reason, this proposed action:                                                                            Effective Date
                                                         • Is not a ‘‘significant regulatory                  GULF COAST ECOSYSTEM                                    This proposed rule, if and when final,
                                                      action’’ subject to review by the Office                RESTORATION COUNCIL                                   would become effective on the date that
                                                      of Management and Budget under                                                                                the court enters a consent decree among
                                                      Executive Order 12866 (58 FR 51735,                     40 CFR Part 1800                                      the United States, the Gulf Coast States
                                                      October 4, 1993);                                       [Docket Number: 109002015–1111–08]                    and BP with respect to the civil penalty
                                                         • Does not impose an information                                                                           and natural resource damages in MDL
                                                      collection burden under the provisions                  RESTORE Act Spill Impact Component                    No. 2179 (United States District Court
                                                      of the Paperwork Reduction Act (44                      Allocation                                            for the Eastern District of Louisiana).
                                                      U.S.C. 3501 et seq.);
                                                         • Is certified as not having a                       AGENCY:  Gulf Coast Ecosystem                         Background
                                                      significant economic impact on a                        Restoration Council                                     The Gulf Coast region is vital to our
                                                      substantial number of small entities                    ACTION: Notice of proposed rulemaking.                nation and our economy, providing
                                                      under the Regulatory Flexibility Act (5                                                                       valuable energy resources, abundant
                                                      U.S.C. 601 et seq.);                                    SUMMARY:   The Gulf Coast Ecosystem
                                                                                                                                                                    seafood, extraordinary beaches and
                                                         • Does not contain any unfunded                      Restoration Council (Council) is
                                                                                                                                                                    recreational activities, and a rich natural
                                                      mandate or significantly or uniquely                    publishing for public and Tribal
                                                                                                                                                                    and cultural heritage. Its waters and
                                                      affect small governments, as described                  comment proposed regulations to
                                                                                                                                                                    coasts are home to one of the most
                                                      in the Unfunded Mandates Reform Act                     implement the Spill Impact Component
                                                                                                                                                                    diverse natural environments in the
                                                      of 1995 (Pub. L. 104–4);                                of the Resources and Ecosystems
                                                         • Does not have Federalism                                                                                 world—including over 15,000 species of
                                                                                                              Sustainability, Tourist Opportunities,
                                                      implications as specified in Executive                                                                        sea life and millions of migratory birds.
                                                                                                              and Revived Economies of the Gulf
                                                      Order 13132 (64 FR 43255, August 10,                                                                          The Gulf has endured many
                                                                                                              Coast States Act of 2012 (RESTORE
                                                      1999);                                                                                                        catastrophes, including major
                                                                                                              Act). These regulations will establish
                                                         • Is not an economically significant                                                                       hurricanes such as Katrina, Rita, Gustav
                                                                                                              the formula allocating funds made
                                                      regulatory action based on health or                                                                          and Ike in the last ten years alone. The
                                                                                                              available from the Gulf Coast
                                                      safety risks subject to Executive Order                                                                       region has also experienced the loss of
                                                                                                              Restoration Trust Fund (Trust Fund)
                                                      13045 (62 FR 19885, April 23, 1997);                                                                          critical wetland habitats, erosion of
                                                                                                              among the Gulf Coast States of Alabama,
                                                         • Is not a significant regulatory action                                                                   barrier islands, imperiled fisheries,
                                                                                                              Florida, Louisiana, Mississippi and
                                                      subject to Executive Order 13211 (66 FR                                                                       water quality degradation and
                                                                                                              Texas (‘‘State’’ or ‘‘States’’) pursuant to
                                                      28355, May 22, 2001);                                                                                         significant coastal land loss. More
                                                                                                              Sec. 1603(3) of the RESTORE Act.
                                                         • Is not subject to requirements of                                                                        recently, the health of the region’s
                                                                                                              DATES: Comments are due October 29,                   ecosystem was significantly affected by
                                                      Section 12(d) of the National
                                                                                                              2015.                                                 the Deepwater Horizon oil spill. As a
                                                      Technology Transfer and Advancement
                                                      Act of 1995 (15 U.S.C. 272 note) because                ADDRESSES:   Comments may be                          result of the oil spill, the Council has
                                                      this action does not involve technical                  submitted through one of these                        been given the great responsibility of
                                                      standards; and                                          methods:                                              helping to address ecosystem challenges
                                                         • Does not provide EPA with the                         Electronic Submission of Comments:                 across the Gulf.
                                                      discretionary authority to address, as                  Interested persons may submit                           In 2010 the Deepwater Horizon oil
                                                      appropriate, disproportionate human                     comments electronically by sending                    spill caused extensive damage to the
                                                      health or environmental effects, using                  them to frcomments@restorethegulf.gov.                Gulf Coast’s natural resources,
                                                      practicable and legally permissible                     Electronic submission of comments                     devastating the economies and
                                                      methods, under Executive Order 12898                    allows the commenter maximum time to                  communities that rely on it. In an effort
                                                      (59 FR 7629, February 16, 1994).                        prepare and submit a comment, ensures                 to help the region rebuild in the wake
                                                         In addition, this proposed rule                      timely receipt, and enables the Council               of the spill, Congress passed and the
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                                                      pertaining to Missouri’s regional haze                  to make them available to the public. In              President signed the RESTORE Act,
                                                      progress report does not have tribal                    general, the Council will make such                   Public Law 112–141, Sec. 1601–1608,
                                                      implications as specified by Executive                  comments available for public                         126 Stat. 588 (Jul. 6, 2012), codified at
                                                      Order 13175 (65 FR 67249, November 9,                   inspection and copying on its Web site,               33 U.S.C. 1321(t) and note. The
                                                      2000), because the SIP is not approved                  www.restorethegulf.gov, without change,               RESTORE Act created the Gulf Coast
                                                      to apply in Indian country located in the               including any business or personal                    Restoration Trust Fund (Trust Fund)
                                                      state, and EPA notes that it will not                   information provided, such as names,                  and dedicates to the Trust Fund eighty
                                                      impose substantial direct costs on tribal               addresses, email addresses, or telephone              percent (80%) of any civil and
                                                      governments or preempt tribal law.                      numbers. All comments received,                       administrative penalties paid under the


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Document Created: 2015-12-15 09:47:13
Document Modified: 2015-12-15 09:47:13
CategoryRegulatory Information
CollectionFederal Register
sudoc ClassAE 2.7:
GS 4.107:
AE 2.106:
PublisherOffice of the Federal Register, National Archives and Records Administration
SectionProposed Rules
ActionProposed rule.
DatesComments must be received on or before October 29, 2015.
ContactStephen Krabbe, Air Planning and Development Branch, Air and Waste Management Division, U.S. Environmental Protection Agency, Region 7, 11201 Renner Boulevard, Lenexa, Kansas 66219 at (913) 551-7483 or by email at [email protected]
FR Citation80 FR 58410 
CFR AssociatedEnvironmental Protection; Air Pollution Control; Incorporation by Reference; Intergovernmental Relations; Nitrogen Oxides; Particulate Matter; Reporting and Recordkeeping Requirements; Sulfur Dioxide and Volatile Organic Compounds

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