83_FR_40882 83 FR 40723 - Air Plan Approval; Ohio; Approval of Sulfur Dioxide Regulations

83 FR 40723 - Air Plan Approval; Ohio; Approval of Sulfur Dioxide Regulations

ENVIRONMENTAL PROTECTION AGENCY

Federal Register Volume 83, Issue 159 (August 16, 2018)

Page Range40723-40728
FR Document2018-17587

The Environmental Protection Agency (EPA) is proposing to approve, under the Clean Air Act, Ohio's revised sulfur dioxide (SO<INF>2</INF>) regulations, which Ohio submitted to EPA on March 13, 2017. Ohio updated its regulations to correct facility information which has changed and to add new emission limits for selected sources in Lake and Jefferson Counties. The revised regulations do not impose substantive changes or additional emission restrictions upon the Ohio State Implementation Plan (SIP) except for the site-specific provisions which have been revised in response to Ohio's nonattainment area designations of August 5, 2013. EPA is proposing to approve the majority of the revised regulations which the state submitted. EPA proposes to take no action on a portion of one submitted rule, which has never been federally approved. EPA also proposes to remove one rule from the SIP, which Ohio rescinded and replaced in 2009.

Federal Register, Volume 83 Issue 159 (Thursday, August 16, 2018)
[Federal Register Volume 83, Number 159 (Thursday, August 16, 2018)]
[Proposed Rules]
[Pages 40723-40728]
From the Federal Register Online  [www.thefederalregister.org]
[FR Doc No: 2018-17587]


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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 52

[EPA-R05-OAR-2017-0165; FRL-9982-30--Region 5]


Air Plan Approval; Ohio; Approval of Sulfur Dioxide Regulations

AGENCY: Environmental Protection Agency (EPA).

ACTION: Proposed rule.

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SUMMARY: The Environmental Protection Agency (EPA) is proposing to 
approve, under the Clean Air Act, Ohio's revised sulfur dioxide 
(SO2) regulations, which Ohio submitted to EPA on March 13, 
2017. Ohio updated its regulations to correct facility information 
which has changed and to add new emission limits for selected sources 
in Lake and Jefferson Counties. The revised regulations do not impose 
substantive changes or additional emission restrictions upon the Ohio 
State Implementation Plan (SIP) except for the site-specific provisions 
which have been revised in response to Ohio's nonattainment area 
designations of August 5, 2013. EPA is proposing to approve the 
majority of the revised regulations which the state submitted. EPA 
proposes to take no action on a portion of one submitted rule, which 
has never been federally approved. EPA also proposes to remove one rule 
from the SIP, which Ohio rescinded and replaced in 2009.

DATES: Comments must be received on or before September 17, 2018.

ADDRESSES: Submit your comments, identified by Docket ID No. EPA-R05-
OAR-2017-0165 at http://www.regulations.gov, or via email to 
[email protected]. For comments submitted at Regulations.gov, 
follow the online instructions for submitting comments. Once submitted, 
comments cannot be edited or removed from Regulations.gov. For either 
manner of submission, 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, please contact the person 
identified in the For Further Information Contact section. For 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.

FOR FURTHER INFORMATION CONTACT: Mary Portanova, Environmental 
Engineer, Control Strategies Section, Air Programs Branch (AR-18J), 
Environmental Protection Agency, Region 5, 77 West Jackson Boulevard, 
Chicago, Illinois 60604, (312)353-5954, [email protected].

SUPPLEMENTARY INFORMATION: Throughout this document whenever ``we,'' 
``us,'' or ``our'' is used, we mean EPA. This supplementary information 
section is arranged as follows:

I. Introduction
II. Review of Rules
    A. Overview
    B. Revisions to General Rules
    C. Rules Addressing Nonattainment Areas
    1. Lake County Area
    2. Muskingum River Area (Morgan and Washington Counties)
    3. Steubenville Area (Jefferson County)
    D. County-Specific Issues
    1. Cuyahoga County
    2. Lorain County
    3. Ross County
    4. Wayne County
    E. Removal of Rescinded Rule
III. What action is EPA taking?
IV. Incorporation by Reference
V. Statutory and Executive Order Reviews

I. Introduction

    On March 13, 2017, Ohio submitted revisions to the Ohio 
Administrative Code Chapter 3745-18 (OAC 3745-18), effective on 
February 16, 2017, for incorporation by EPA into the Ohio 
SO2 SIP. OAC 3745-18 contains Ohio's air emission 
regulations for SO2, which include both statewide 
requirements and emission limits for each Ohio county. This submittal 
was the product of a comprehensive examination of the state's 
SO2 rules which Ohio undertook in accordance with its 
routine five-year rule review process. The state made a number of 
revisions to OAC 3745-18, updating facility data to match the current 
information in its operating permits database and removing requirements 
which only applied to facilities which have closed or units which have 
been removed from existing facilities. For several sources, Ohio 
retained the existing limits in OAC 3745-18, but separately issued 
federally enforceable permits containing tighter limits than those in 
the rule, or new provisions reflecting physical changes at the 
facility. Generally, these permits addressed changes which had occurred 
too late to include in the state's rulemaking action. The effect of 
EPA's approval of the revised OAC 3745-18 SIP rules submitted on March 
13, 2017, would be to retain federal enforceability of both sets of 
limits for each source.
    Ohio's March 13, 2017 submittal also included rules which Ohio had 
developed to address Clean Air Act (CAA) requirements for three 1-hour 
SO2 nonattainment areas. Ohio first adopted these new rules, 
which are found in OAC 3745-18-03, OAC 3745-18-04, OAC 3745-18-47, and 
OAC 3745-18-49, on October 13, 2015, and submitted the rules to EPA as 
part of the state's October 13, 2015, nonattainment SIP submittal. 
Later, Ohio made significant revisions and corrections to some of the 
nonattainment area rules. The state adopted the revised nonattainment 
area rules on February 6, 2017, and submitted them to EPA on March 13, 
2017, within Ohio's larger five-year rule review package. EPA is 
proposing action on Ohio's entire March 13, 2017 submittal of revisions 
to OAC 3745-18, regarding their incorporation into the state's 
SO2 SIP. Separate action will address whether Ohio's 
revisions to OAC 3745-18-03, OAC 3745-18-04, OAC 3745-18-47, and OAC 
3745-18-49 satisfy EPA's nonattainment planning requirements.

II. Review of Rules

A. Overview

    Ohio's federally approved SO2 SIP contains six generally 
applicable chapters of OAC 3745-18 and 88 county-specific chapters. The 
six generally applicable chapters are OAC 3745-18-01, ``Definitions and 
incorporation by reference,'' OAC 3745-18-02, ``Ambient air quality 
standards; sulfur dioxide,'' OAC 3745-18-03, ``Attainment dates and 
compliance time schedules,'' OAC 3745-18-04, ``Measurement methods and

[[Page 40724]]

procedures,'' OAC 3745-18-05, ``Ambient and meteorological monitoring 
requirements,'' and OAC 3745-18-06, ``General emission limit 
provisions.'' Specific emission limits for SO2 sources in 
each Ohio county are found in OAC 3745-18-07 (``Adams county emission 
limits'') through OAC 3745-18-94 (``Wyandot county emission limits'').
    Ohio's March 13, 2017 SIP revision request included revised 
versions of all of these rules except OAC 3745-18-02 and OAC 3745-18-
06. Ohio's federally approved SO2 SIP currently includes OAC 
3745-18-02, ``Ambient air quality standards; sulfur dioxide,'' with an 
effective date of January 23, 2006. However, Ohio rescinded this rule 
in 2009 and moved its contents to a new rule. See section II E. for the 
discussion of EPA's proposed action regarding OAC 3745-18-02. Ohio's 
federally approved SO2 SIP also includes OAC 3745-18-06, 
with an effective date of February 17, 2011. Ohio did not submit any 
revisions to this rule. Therefore, the 2011 version of this rule is 
retained in Ohio's SIP.
    Ohio's March 13, 2017 submittal updated OAC 3745-18 with current 
information for each listed facility, as confirmed by the state 
database. Some Ohio facilities have merged or changed ownership in 
recent years. Ohio updated the rules where necessary to reflect each 
facility's current name or ownership and the current location of the 
emission units that are subject to SO2 emission limits. Ohio 
removed some facilities entirely from the site-specific emission limit 
listings if the state had evidence confirming that the entire facility 
has closed, or that all the emission units at the facility which were 
subject to the site-specific emission limits have been removed or are 
no longer emitting SO2. If a facility's site-specific 
emission limits were removed, but the facility is still operating and 
could be subject to its general countywide limit, Ohio retained the 
facility's listing in the compliance date section of OAC 3745-18-03.

B. Revisions to General Rules

    OAC 3745-18-01 contains definitions and references to test methods 
and other Federal requirements. Ohio updated the Code of Federal 
Regulations publication dates in this rule. EPA is proposing to approve 
OAC 3745-18-01.
    OAC 3745-18-03 contains the compliance dates and schedules 
applicable to Ohio SO2 sources. Ohio has removed and 
reserved OAC 3745-18-03(A), which required attainment with the NAAQS by 
specific dates, because the county-specific attainment dates in OAC 
3745-18-03(A)(2) have passed and Ohio found the requirements in OAC 
3745-18-03(A)(1) duplicative of language in other state and Federal 
documents. Since the attainment date language was no longer contained 
in the rule, Ohio retitled OAC 3745-18-03 ``Compliance time 
schedules.'' Ohio added paragraphs in OAC 3745-18-03(B) and OAC 3745-
18-03(C) which apply to sources in the Lake County nonattainment area 
and the Steubenville WV-OH interstate nonattainment area. These 
paragraphs are discussed below in section II C. EPA is proposing to 
approve OAC 3745-18-03.
    OAC 3745-18-04 contains fuel test method requirements for Ohio 
facilities. Ohio revised OAC 3745-18-04 to update facility names and 
locations for sources with facility-specific coal test method 
requirements. Ohio removed facility-specific or county-specific coal 
test methods where they were no longer necessary, because the affected 
facilities are no longer operating, no longer using coal, or currently 
using other methods, such as a continuous emission monitoring system 
(CEMS), for determining compliance.
    Ohio added one paragraph and removed another paragraph in OAC 3745-
18-04(D), which are applicable to sources in the Lake County 
nonattainment area and the Steubenville WV-OH interstate nonattainment 
area. These paragraphs are discussed below in section II C.
    Several paragraphs in OAC 3745-18-04 have not been previously 
approved by EPA, because they appeared to allow compliance 
determinations based on 30-day averaged emission calculations for 
emission limits which were intended to address NAAQS with averaging 
times of 24 hours and less. These paragraphs, OAC 3745-18-04(D)(2), 
(D)(3), (D)(5), (D)(6) and OAC 3745-18-04(E)(2), (E)(3) and (E)(4), 
have not been significantly revised in Ohio's March 13, 2017 submittal. 
As the previously identified deficiencies have not been adequately 
addressed, EPA proposes to take no action on these provisions, and they 
are not part of the SIP.\1\
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    \1\ When these provisions were originally submitted, EPA policy 
was generally to find that limits with compliance based on 30-day 
averaging did not assure attainment with standards based on shorter 
averaging times. In 2014, EPA issued guidance reflecting a new 
policy, indicating that it could find that limits with averaging 
times up to 30 days may provide for attainment in selected cases, 
subject to various criteria, most notably that the longer-term 
average limit reflect an adjustment so as to have comparable 
stringency to the 1-hour limit which had been demonstrated to 
provide for attainment. Ohio has not sought to demonstrate that 
these criteria are met on a state-wide basis, and so EPA has no new 
information that might warrant revisiting the approvability of these 
provisions.
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    In the March 13, 2017 submittal, OAC 3745-18-04(D)(9)(c) contains a 
typographical error which misnames the required method for coal 
sampling and analysis for facilities in Butler County. OAC 3745-18-
04(D)(9)(c) was approved into Ohio's SO2 SIP without the 
typographical error on January 31, 2002 (67 FR 4669). EPA proposes to 
take no action on the March 13, 2017 submittal of OAC 3745-18-
04(D)(9)(c). The paragraph will instead be retained in Ohio's 
SO2 SIP as it was previously approved.
    Ohio made minor grammatical changes to OAC 3745-18-05, which covers 
requirements for ambient monitoring. EPA proposes to find these changes 
approvable.
    Most of Ohio's county-specific rules, OAC 3745-18-07 through OAC 
3745-18-94, have been updated significantly. Ohio removed facility-
specific emission limits where the affected facilities have closed, or 
where the units which were subject to the previously approved rules 
have been retired or have converted to use lower sulfur fuels. Ohio 
confirmed the facilities' current emissions and emission limitations 
with its operating permits database. Each county-specific rule has 
retained its previously approved general SO2 emission limit, 
applicable to all coal-fired steam generating units in the county. CAA 
section 110(l) states that SIP revisions cannot be approved if they 
interfere with applicable requirements concerning attainment and 
reasonable further progress. EPA proposes to find that it is 
permissible under CAA section 110(l) to approve the revised rules in 
Ohio's March 13, 2017 SIP submittal where Ohio has removed obsolete 
emission limits for units which have permanently closed and for which 
the permits to operate have been revoked, as these rule revisions do 
not indicate permission to increase emissions.

C. Rules Addressing Nonattainment Areas

    On August 5, 2013, EPA designated three areas nonattainment for 
SO2 in Ohio: Lake County, the Muskingum River area, and the 
Steubenville OH-WV interstate area. Ohio was required to prepare SIPs 
which would bring its three SO2 nonattainment areas into 
attainment by October 4, 2018. After evaluating local SO2 
emissions and using dispersion models to determine the emission limits 
which could be expected to provide for attainment, Ohio revised its 
SO2 SIP rules to address SO2 sources within these 
nonattainment areas at OAC 3745-18-49 (Lake County) and OAC 3745-18-47 
(Jefferson County). Ohio added related provisions

[[Page 40725]]

in OAC 3745-18-03 and OAC 3745-18-04. Ohio first adopted these 
nonattainment area provisions in October 2015, but later made 
significant revisions and corrections to the rules. Ohio adopted the 
revised rules on February 6, 2017, and submitted them to EPA on March 
13, 2017.
1. Lake County Area
    The new and revised rules relevant to the Lake County nonattainment 
area include OAC 3745-18-03(B)(9), OAC 3745-18-03(C)(11), OAC 3745-18-
04(D)(10), OAC 3745-18-49(F), OAC 3745-18-03(C)(3)(hh), and the removal 
of the previously approved paragraph OAC 3745-18-49(G). Ohio revised 
the Lake County rule at OAC 3745-18-49(F) to add new emission limits 
for the Painesville Municipal Electric Plant in Painesville, Ohio (the 
Painesville plant). OAC 3745-18-49(F) restricts the Painesville plant 
to operate only one of its three boilers on coal at any time; limits 
Boiler 5 to 287 pounds of SO2 per hour (lb/hr), averaged 
over 30 operating days; and limits Boilers 3 and 4 each to 340 lb/hr, 
averaged over 30 operating days. The combined average operating rate 
for the three boilers must not exceed 249 million British Thermal Units 
per hour (MMBtu/hr) for any calendar day, excluding heat input from 
burning natural gas or biomass. Each boiler is additionally limited to 
no more than a ten percent annual capacity factor as defined in 40 CFR 
63.7575, excluding heat input from burning natural gas or biomass. The 
rule also defines biomass as an additional fuel source for this 
facility; the biomass would not be a significant source of 
SO2. The revisions to OAC 3745-18-49(F) represent a 
reduction in allowable SO2 emissions and operating rates for 
this facility.
    Ohio added OAC 3745-18-03(B)(9) to require the Painesville plant to 
apply for a permit or permit modification to provide for compliance 
with its site-specific SO2 emission limits. Ohio added OAC 
3745-18-03(C)(11) to require compliance with the revised site-specific 
rules for the Painesville plant as of thirty days from February 16, 
2017, which is the effective date of the revised rules OAC 3745-18-
03(C)(11) and OAC 3745-18-49(F). The Painesville plant's compliance 
date is the earliest compliance date practicable after Ohio revised the 
facility's previously adopted rules to address an issue EPA identified 
in Ohio's 2015 nonattainment SIP submittal for Lake County. Ohio added 
OAC 3745-18-04(D)(10) to provide the method for calculating compliance 
with the Painesville plant's revised emission limits in OAC 3745-18-
49(F).
    Ohio has removed the entry at OAC 3745-18-49(G) for the Eastlake 
Power Plant in Willoughby, Ohio (now known as the Eastlake Substation), 
because the boilers at the Eastlake Substation which were subject to 
OAC 3745-18-49(G) were permanently shut down in April 2015. OAC 3745-
18-03(C)(3)(hh) still requires any remaining emission units at the 
Eastlake Substation to comply with the county-wide SO2 
limits at OAC 3745-18-49(A). The shut-down units, however, may not 
restart without applying for a new permit. Because the Eastlake 
Substation has permanently retired its boilers and has thus 
significantly reduced its SO2 emissions, and because the 
Eastlake Substation no longer holds a permit to restart the boilers, 
EPA proposes to find that the removal from the SIP of the Eastlake 
Substation's boiler limits is permissible under CAA section 110(l).
    EPA is proposing to approve the rule revisions in OAC 3745-18 which 
apply to the Painesville plant and the Eastlake Substation in Lake 
County, because the rules update the SIP and strengthen it by reducing 
allowable emissions. EPA is not proposing action regarding whether 
Ohio's revisions to OAC 3745-18-49 and related material satisfy 
nonattainment planning requirements for the Lake County nonattainment 
area. EPA intends to address whether Ohio has satisfied the 
nonattainment planning requirements for the Lake County nonattainment 
area in a separate action.
2. Muskingum River Area (Morgan and Washington Counties)
    The rules relevant to the Muskingum River nonattainment area 
include OAC 3745-18-64 (Morgan County), OAC 3745-18-90 (Washington 
County) and OAC 3745-18-03(C)(3)(tt). The previously approved rules OAC 
3745-18-64(B) and OAC 3745-18-90(B) contained identical SO2 
emission limits for the Muskingum River power plant, located near 
Waterford, Ohio (the Muskingum River plant). The boilers at the 
Muskingum River plant were permanently shut down as of July 14, 2015, 
leaving no emission units at the Muskingum River plant which are 
subject to OAC 3745-18-64(B) or OAC 3745-18-90(B). These units have 
been removed from the facility's permit. The shut-down units may not 
restart unless the facility applies for and receives a new permit. 
Therefore, Ohio has removed the entries for the Muskingum River plant 
from OAC 3745-18-64(B) and OAC 3745-18-90(B). Ohio retained and 
renumbered paragraph OAC 3745-18-03(C)(3)(tt) for the Muskingum River 
plant and updated the facility's name to Muskingum River Development, 
LLC. OAC 3745-18-03(C)(3)(tt) requires any remaining SO2 
emission units at the facility to comply with the limits specified in 
OAC 3745-18-90, which, as revised, contains only the Washington County 
general SO2 limit for coal-fired steam generating units at 
OAC 3745-18-90(A). Because the Muskingum River plant has permanently 
retired its large boilers and has thus significantly reduced its 
SO2 emissions, and because the Muskingum River plant no 
longer holds a permit to restart the boilers, EPA proposes to find that 
the removal from the SIP of the Muskingum River plant's boiler emission 
limits is permissible under CAA section 110(l). EPA is proposing to 
approve the rule revisions applicable to the Muskingum River plant 
because they update Ohio's SO2 SIP by removing obsolete 
emission limits while complying with CAA section 110(l). EPA is not 
proposing action regarding whether Ohio's revisions to OAC 3745-18-
64(B), OAC 3745-18-90(B) and related material satisfy nonattainment 
planning requirements for the Muskingum River nonattainment area. EPA 
intends to address whether Ohio has satisfied the nonattainment 
planning requirements in a subsequent action.
3. Steubenville Area (Jefferson County)
    The new and revised rules relevant to the Steubenville OH-WV 
interstate nonattainment area include the new paragraphs at OAC 3745-
18-03(B)(9) and OAC 3745-18-03(C)(11), the revised emission limits in 
OAC 3745-18-47, and the removal of OAC 3745-18-04(D)(4). Ohio addressed 
three Jefferson County sources for the Steubenville nonattainment area: 
The Cardinal Power Plant in Brilliant, Ohio (the Cardinal plant), the 
Mingo Junction Steel Works, LLC facility in Mingo Junction, Ohio (Mingo 
Junction Steel Works), and the Mingo Junction Energy Center, LLC 
facility in Mingo Junction, Ohio, (Mingo Junction Energy Center). Ohio 
revised OAC 3745-18-47(D) for the Cardinal plant to limit each of units 
1 and 2 to 1.065 pounds of SO2 per million British Thermal 
Units (lb/MMBtu) actual heat input. These limits, which reflect current 
permit conditions for the Cardinal plant, represent an SO2 
emission reduction from the previously approved limits for the Cardinal 
plant, which had allowed 7.08 lb/MMBtu at units 1 and 2. Ohio also 
revised the emission limit for the Cardinal plant's unit 3 to 0.66 lb/
MMBtu actual heat input and moved the listing to OAC 3745-18-47(D). 
Unit 3 had previously

[[Page 40726]]

been listed under OAC 3745-18-47(O) as a unit operated by Buckeye 
Power, Incorporated, with a limit of 2.0 lb/MMBtu. EPA is proposing to 
approve these rule revisions because they update the Ohio 
SO2 SIP and strengthen it by reducing allowable 
SO2 emissions.
    For Mingo Junction Steel Works, which was formerly listed in OAC 
3745-18-47(G) as Wheeling-Pittsburgh Steel, Steubenville South Plant, 
Ohio has removed the obsolete emission limits in OAC 3745-18-47(G)(1) 
for Boilers 1 through 12 and the obsolete emission limits in OAC 3745-
18-47(G)(2) for the forty-four-inch soaking pits combusting coke oven 
gas. The boilers have shut down and the Mingo Junction Steel Works no 
longer receives or uses coke oven gas as fuel; it now uses natural gas. 
Ohio added limits of 1.0 lb/hr for the facility's reheat furnaces 2 to 
4 at OAC 3745-18-47(G)(3), a limit of 105.0 lb/hr for the electric arc 
furnace number 1 at OAC 3745-18-47(G)(4), and a limit of 14.0 lb/hr for 
the ladle metallurgical furnace to the electric arc furnace at OAC 
3745-18-47(G)(5). EPA is proposing to approve these rule revisions 
because they update the Ohio SO2 SIP to reflect the current 
facility name and operations at Mingo Junction Steel Works. EPA is also 
proposing to approve OAC 3745-18-47(G) because it strengthens the SIP 
by reducing allowable emissions.
    For the Mingo Junction Energy Center, the state has added OAC 3745-
18-47(P) which limits units 1 to 4 to 0.0028 lb/MMBtu actual heat input 
each. This limit reflects a fuel change from coke oven gas to natural 
gas. EPA is proposing to approve this rule revision because it 
strengthens the Ohio SO2 SIP by reducing allowable 
emissions.
    Ohio added OAC 3745-18-03(B)(9) to require Mingo Junction Steel 
Works and the Mingo Junction Energy Center to apply for a permit or 
permit modification to provide for compliance with their site-specific 
SO2 emission limits. (Cardinal's revised limits are already 
in its permit.) Ohio added OAC 3745-18-03(C)(11) to require compliance 
with the revised site-specific rules for the Cardinal plant, Mingo 
Junction Steel Works and the Mingo Junction Energy Center by January 1, 
2017. This compliance date reflects the recommendations of EPA's 
nonattainment SIP guidance.
    Ohio removed OAC 3745-18-04(D)(4), which gave a specific compliance 
test method for the Cardinal plant. The provision is no longer 
considered necessary due to the Cardinal plant's current limits, 
operations, and emission controls. The Cardinal plant is subject to the 
federally approved compliance test requirements in OAC 3745-18-04(D). 
Under its current operating permit, the Cardinal plant uses CEMS to 
determine compliance with its permitted emission limits.
    EPA is proposing to approve the revised rules for the Cardinal 
plant, Mingo Junction Steel Works and the Mingo Junction Energy Center 
as measures which update the state's SO2 SIP and strengthen 
the SIP by reducing allowable emissions. EPA is not proposing action 
regarding whether Ohio's revisions to OAC 3745-18 for the Cardinal 
plant, Mingo Junction Steel Works and the Mingo Junction Energy Center, 
and related material, satisfy nonattainment planning requirements for 
the Steubenville OH-WV interstate nonattainment area. EPA intends to 
address whether Ohio has satisfied the nonattainment planning 
requirements for the Steubenville WV-OH nonattainment area in a 
subsequent action.

D. County-Specific Issues

1. Cuyahoga County
    Ohio revised OAC 3745-18-24(V) regarding the Medical Center 
Company, located in Cleveland, to update the facility's operating unit 
names and to remove emission limits for units which have not been 
present at the facility since 2002. The Medical Center Company has 
recently replaced two boilers, 1N and 2N, with three new units having 
lower SO2 emissions. Ohio placed new requirements in a 2015 
federally enforceable permit-to-install for the Medical Center Company, 
stating that the old boilers must be permanently retired by January 13, 
2017. See final permit-to-install number P0118541. Ohio relied on the 
emission reductions from this boiler replacement during the designation 
process for the 2010 SO2 NAAQS. However, the Cuyahoga County 
rule at OAC 3745-18-24, as adopted February 6, 2017, and submitted to 
EPA on March 13, 2017, retained the Medical Center Company's previously 
approved emission limit of 4.6 lb/MMBtu for each of the old boilers. 
Although the rule retained the previously approved limit, the 
facility's boiler closure requirement and the lower SO2 
emission limits applicable to its new units are federally enforceable 
in the facility's permit. EPA is proposing to approve the revised OAC 
3745-18-24(V) as an update to the SIP, since this action would retain 
EPA's authority to enforce both limits.
    Likewise, the emission limits for Cleveland Thermal, LLC, at OAC 
3745-18-24(G) and OAC 3745-18-24(H), have been updated to revise the 
facility's name, address, and premise number, and to remove emission 
limits for units which shut down prior to 2002. The updated rules still 
contain limits for several units, B101, B102, B104, B001, B002, B003, 
B005, and B006, which Cleveland Thermal, LLC, was to retire or convert 
to auxiliary status by January 2017, in accordance with a consent 
decree. The consent decree is in force and Cleveland Thermal, LLC's 
federally enforceable permit no longer includes these units. EPA is 
proposing to approve the revised OAC 3745-18-24(G) and OAC 3745-18-
24(H) as an update to the SIP, since this action would retain EPA's 
authority to enforce both limits.
    The remainder of the Cuyahoga County rule has been revised to 
update facility names and locations and to remove emission limits for 
facilities which were no longer operating and for units which no longer 
operate at existing facilities. EPA is proposing to approve OAC 3745-
18-24.
2. Lorain County
    Ohio revised the Lorain County rule at OAC 3745-18-53(B) for the 
Avon Lake Power Plant (the Avon Lake plant) in Lorain County, to update 
facility identification and remove emission limits for units which were 
shut down between 1981 and 1997. In November 2016, Ohio placed new 
SO2 emission limits for the Avon Lake plant in a federally 
enforceable operating permit. The new limits, which were effective as 
of January 13, 2017, provided a combined emission limit of 1.59 lb/
MMBtu for Boilers 10 and 12 on a 30-day average basis. See permit-to-
install number P0121748. Ohio relied on these limits, which reduced the 
Avon Lake plant's allowable SO2 emissions, during the 
designation process for the 2010 SO2 NAAQS. However, the 
Lorain County rule, as adopted February 6, 2017, and submitted to EPA 
on March 13, 2017, retained the Avon Lake plant's previously approved 
emission limit of 4.65 lb/MMBtu for Boilers 10 and 12 each. Although 
the revised rule retained the previous, higher emission limit, the 
tighter SO2 emission limits within the Avon Lake plant's 
operating permit are federally enforceable. EPA is proposing to approve 
OAC 3745-18-53(B), since this action would retain EPA's authority to 
enforce both limits.
    Ohio added paragraph OAC 3745-18-53(G) for U.S. Steel Seamless 
Tubular Operations, LLC--Lorain. This paragraph covers an emissions 
unit which was previously listed under OAC 3745-18-53(D), but has been 
transferred to a new location and a new owner within the city of 
Lorain, Ohio. The unit

[[Page 40727]]

retains its previously approved emission limits of 1.98 lb/MMBtu and 
178 lb/hr.
    The remainder of the Lorain County rule has been revised to update 
facility names and locations, and to remove emission limits for 
facilities which were no longer operating and for units which no longer 
operate at existing facilities. EPA is proposing to approve OAC 3745-
18-53.
3. Ross County
    Ohio revised the Ross County rule at OAC 3745-18-77(B) for the P. 
H. Glatfelter Company-Chillicothe Facility (Glatfelter) in Ross County, 
to update facility identification and remove emission limits for units 
which have been shut down for many years. In 2016, Ohio placed a new 
facility-wide SO2 emission limit of 1,800 tons per year, 
effective January 13, 2017, in a federally enforceable permit for 
Glatfelter. See permit-to-install number P0118906. This limit reduced 
Glatfelter's allowable SO2 emissions, and Ohio relied on 
this limit during the designation process for the 2010 SO2 
NAAQS. However, the Ross County rule, as adopted February 6, 2017, and 
submitted to EPA on March 13, 2017, retained Glatfelter's previously 
approved emission limit of 9.9 lb/MMBtu for Boilers 7 and 8 each. 
Although the rule retains the higher emission limit for Boilers 7 and 
8, the tighter SO2 emission limit in Glatfelter's permit is 
federally enforceable. EPA is proposing to approve OAC 3745-18-77(B) as 
an update to the SIP, since this action would retain EPA's authority to 
enforce both limits.
    The remainder of the Ross County rule has been revised to remove 
emission limits for facilities which were no longer operating and for 
units which no longer operate at existing facilities. EPA is proposing 
to approve OAC 3745-18-77.
4. Wayne County
    In 2016, Ohio placed a new facility-wide SO2 emission 
limit of 1,475 tons per year, effective January 13, 2017, in a 
federally enforceable operating permit for the Department of Public 
Utilities, City of Orrville, Ohio facility (the Orrville plant) in 
Wayne County. See permit number P0120280. Ohio relied on this limit, 
which reduced the Orrville plant's allowable SO2 emissions, 
during the designation process for the 2010 SO2 NAAQS. The 
Wayne County rule at OAC 3745-18-91, as adopted February 6, 2017, and 
submitted to EPA on March 13, 2017, updated the Orrville plant's 
facility identification but retained the Orrville plant's previously 
approved emission limit of 7.0 lb/MMBtu for Boilers 10 to 13 each (OAC 
3745-18-91(E)). Since the Orrville plant's tighter SO2 
emission limit in its permit is federally enforceable, EPA is proposing 
to approve OAC 3745-18-91(E) as an update to the SIP, since this action 
would retain EPA's authority to enforce both limits.
    In 2015, Ohio revised the federally enforceable permit for Morton 
Salt, Inc., in Rittman, Ohio, to reflect the facility's replacement of 
two boilers with new units with lower SO2 emissions. See 
permit number P0120758. Ohio relied on this boiler replacement and the 
resulting reduction in allowable SO2 emissions during the 
designation process for the 2010 SO2 NAAQS. The Wayne County 
rule at OAC 3745-18-91, as adopted February 6, 2017, and submitted to 
EPA on March 13, 2017, updated Morton Salt, Inc.'s facility 
identification but retained the facility's previously approved emission 
limit of 7.0 lb/MMBtu for Boilers 1 and 2 each (OAC 3745-18-91(F)). 
Since Morton Salt, Inc. has replaced its old boilers, and has federally 
enforceable SO2 emission limits for its new units in its 
permit, EPA is proposing to approve OAC 3745-18-91(F) as an update to 
the SIP, since this action would retain EPA's authority to enforce both 
limits.
    The remainder of the Wayne County rule has been revised to remove 
emission limits for facilities which were no longer operating and for 
units which no longer operate at existing facilities. EPA is proposing 
to approve OAC 3745-18-91.

E. Removal of Rescinded Rule

    On September 17, 2009, Ohio submitted revisions to its SIP, and 
requested that EPA remove OAC 3745-18-02, ``Ambient air quality 
standards; sulfur dioxide,'' from the SIP, because Ohio had rescinded 
OAC 3745-18-02 and moved its contents to a new rule, OAC 3745-25-02, 
``Ambient air quality standards,'' effective April 18, 2009. This rule 
defined and listed the primary and secondary SO2 standards 
(prior to the 2010 SO2 NAAQS) and required ambient air 
quality sampling using the EPA Reference Method or an equivalent 
method. In accordance with Ohio's September 17, 2009, SIP revision 
request, EPA approved OAC 3745-25-02 into Ohio's SIP on October 26, 
2010 (75 FR 65572), but EPA did not remove OAC 3745-18-02 from the SIP. 
Ohio's rule OAC 3745-25-02(B), effective on April 18, 2009, contained 
substantially identical rule language to the existing SIP version of 
OAC 3745-18-02 which was effective on January 23, 2006. As the rule 
language which was previously approved as OAC 3745-18-02 can now be 
found within Ohio's federally approved SIP at OAC 3745-25-02(B), the 
removal of rule OAC 3745-18-02 from the SIP is permissible under 
section 110(l) of the CAA. Therefore, EPA proposes to remove OAC 3745-
18-02 from Ohio's SIP.

III. What action is EPA taking?

    EPA is proposing to approve Ohio's March 13, 2017 submittal of OAC 
3745-18-01; OAC 3745-18-03; OAC 3745-18-04 [with the exception of OAC 
3745-18-04(D)(2), (D)(3), (D)(5), (D)(6), and (D)(9)(c), and OAC 3745-
18-04(E)(2), (E)(3) and (E)(4)]; OAC 3745-18-05; and OAC 3745-18-07 
through OAC 3745-18-94; as effective on February 16, 2017. EPA proposes 
to find that these regulations update and strengthen the Ohio 
SO2 SIP. EPA proposes to take no action on OAC 3745-18-
04(D)(2), (D)(3), (D)(5), (D)(6), and (D)(9)(c), and OAC 3745-18-
04(E)(2), (E)(3) and (E)(4). EPA proposes to remove OAC 3745-18-02 from 
the Ohio SO2 SIP.

IV. Incorporation by Reference

    In this rule, EPA is proposing to include in a final EPA rule 
regulatory text that includes incorporation by reference. In accordance 
with requirements of 1 CFR 51.5, EPA is proposing to incorporate by 
reference Ohio rules OAC 3745-18-01; OAC 3745-18-03; OAC 3745-18-04 
[with the exception of OAC 3745-18-04(D)(2), (D)(3), (D)(5), (D)(6), 
and (D)(9)(c), and OAC 3745-18-04(E)(2), (E)(3) and (E)(4)]; OAC 3745-
18-05; and OAC 3745-18-07 through OAC 3745-18-94, as effective on 
February 16, 2017. EPA has made, and will continue to make, these 
documents generally available through www.regulations.gov, and at the 
EPA Region 5 Office (please contact the person identified in the For 
Further Information Contact section of this preamble for more 
information).

V. 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 approves state law as meeting Federal requirements and 
does not impose additional requirements beyond those imposed by state 
law. For that reason, this action:
     Is not a significant regulatory action subject to review 
by the Office of

[[Page 40728]]

Management and Budget under Executive Orders 12866 (58 FR 51735, 
October 4, 1993) and 13563 (76 FR 3821, January 21, 2011);
     Is not an Executive Order 13771 (82 FR 9339, February 2, 
2017) regulatory action because SIP approvals are exempted under 
Executive Order 12866;
     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 application of those requirements would be inconsistent 
with the CAA; 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, the SIP is not approved to apply on any Indian 
reservation land or in any other area where EPA or an Indian tribe has 
demonstrated that a tribe has jurisdiction. In those areas of Indian 
country, the rule does not have tribal implications and will not impose 
substantial direct costs on tribal governments or preempt tribal law as 
specified by Executive Order 13175 (65 FR 67249, November 9, 2000).

List of Subjects in 40 CFR Part 52

    Environmental protection, Air pollution control, Incorporation by 
reference, Intergovernmental relations, Reporting and recordkeeping 
requirements, Sulfur oxides.

    Dated: August 2, 2018.
Cathy Stepp,
Regional Administrator, Region 5.
[FR Doc. 2018-17587 Filed 8-15-18; 8:45 am]
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                                                  specified by Executive Order 13175 (65                  Regulations.gov. For either manner of                 of a comprehensive examination of the
                                                  FR 67249, November 9, 2000).                            submission, EPA may publish any                       state’s SO2 rules which Ohio undertook
                                                                                                          comment received to its public docket.                in accordance with its routine five-year
                                                  List of Subjects in 40 CFR Part 52
                                                                                                          Do not submit electronically any                      rule review process. The state made a
                                                    Environmental protection, Air                         information you consider to be                        number of revisions to OAC 3745–18,
                                                  pollution control, Incorporation by                     Confidential Business Information (CBI)               updating facility data to match the
                                                  reference, Intergovernmental relations,                 or other information whose disclosure is              current information in its operating
                                                  Nitrogen dioxide, Ozone, Volatile                       restricted by statute. Multimedia                     permits database and removing
                                                  organic compounds.                                      submissions (audio, video, etc.) must be              requirements which only applied to
                                                    Dated: August 1, 2018.                                accompanied by a written comment.                     facilities which have closed or units
                                                  James Payne,                                            The written comment is considered the                 which have been removed from existing
                                                                                                          official comment and should include                   facilities. For several sources, Ohio
                                                  Acting Deputy Regional Administrator,
                                                  Region 5.                                               discussion of all points you wish to                  retained the existing limits in OAC
                                                                                                          make. EPA will generally not consider                 3745–18, but separately issued federally
                                                  [FR Doc. 2018–17590 Filed 8–15–18; 8:45 am]
                                                                                                          comments or comment contents located                  enforceable permits containing tighter
                                                  BILLING CODE 6560–50–P
                                                                                                          outside of the primary submission (i.e.               limits than those in the rule, or new
                                                                                                          on the web, cloud, or other file sharing              provisions reflecting physical changes at
                                                  ENVIRONMENTAL PROTECTION                                system). For additional submission                    the facility. Generally, these permits
                                                  AGENCY                                                  methods, please contact the person                    addressed changes which had occurred
                                                                                                          identified in the FOR FURTHER                         too late to include in the state’s
                                                  40 CFR Part 52                                          INFORMATION CONTACT section. For the                  rulemaking action. The effect of EPA’s
                                                                                                          full EPA public comment policy,                       approval of the revised OAC 3745–18
                                                  [EPA–R05–OAR–2017–0165; FRL–9982–                       information about CBI or multimedia                   SIP rules submitted on March 13, 2017,
                                                  30—Region 5]
                                                                                                          submissions, and general guidance on                  would be to retain federal enforceability
                                                  Air Plan Approval; Ohio; Approval of                    making effective comments, please visit               of both sets of limits for each source.
                                                  Sulfur Dioxide Regulations                              http://www2.epa.gov/dockets/                             Ohio’s March 13, 2017 submittal also
                                                                                                          commenting-epa-dockets.                               included rules which Ohio had
                                                  AGENCY:  Environmental Protection                       FOR FURTHER INFORMATION CONTACT:                      developed to address Clean Air Act
                                                  Agency (EPA).                                           Mary Portanova, Environmental                         (CAA) requirements for three 1-hour
                                                  ACTION: Proposed rule.                                  Engineer, Control Strategies Section, Air             SO2 nonattainment areas. Ohio first
                                                                                                          Programs Branch (AR–18J),                             adopted these new rules, which are
                                                  SUMMARY:   The Environmental Protection                 Environmental Protection Agency,                      found in OAC 3745–18–03, OAC 3745–
                                                  Agency (EPA) is proposing to approve,                   Region 5, 77 West Jackson Boulevard,                  18–04, OAC 3745–18–47, and OAC
                                                  under the Clean Air Act, Ohio’s revised                 Chicago, Illinois 60604, (312)353–5954,               3745–18–49, on October 13, 2015, and
                                                  sulfur dioxide (SO2) regulations, which                 portanova.mary@epa.gov.                               submitted the rules to EPA as part of the
                                                  Ohio submitted to EPA on March 13,                      SUPPLEMENTARY INFORMATION:                            state’s October 13, 2015, nonattainment
                                                  2017. Ohio updated its regulations to                   Throughout this document whenever                     SIP submittal. Later, Ohio made
                                                  correct facility information which has                  ‘‘we,’’ ‘‘us,’’ or ‘‘our’’ is used, we mean           significant revisions and corrections to
                                                  changed and to add new emission limits                  EPA. This supplementary information                   some of the nonattainment area rules.
                                                  for selected sources in Lake and                        section is arranged as follows:                       The state adopted the revised
                                                  Jefferson Counties. The revised                                                                               nonattainment area rules on February 6,
                                                  regulations do not impose substantive                   I. Introduction
                                                                                                          II. Review of Rules
                                                                                                                                                                2017, and submitted them to EPA on
                                                  changes or additional emission                             A. Overview                                        March 13, 2017, within Ohio’s larger
                                                  restrictions upon the Ohio State                           B. Revisions to General Rules                      five-year rule review package. EPA is
                                                  Implementation Plan (SIP) except for                       C. Rules Addressing Nonattainment Areas            proposing action on Ohio’s entire March
                                                  the site-specific provisions which have                    1. Lake County Area                                13, 2017 submittal of revisions to OAC
                                                  been revised in response to Ohio’s                         2. Muskingum River Area (Morgan and                3745–18, regarding their incorporation
                                                  nonattainment area designations of                            Washington Counties)                            into the state’s SO2 SIP. Separate action
                                                  August 5, 2013. EPA is proposing to                        3. Steubenville Area (Jefferson County)
                                                                                                             D. County-Specific Issues
                                                                                                                                                                will address whether Ohio’s revisions to
                                                  approve the majority of the revised                        1. Cuyahoga County                                 OAC 3745–18–03, OAC 3745–18–04,
                                                  regulations which the state submitted.                     2. Lorain County                                   OAC 3745–18–47, and OAC 3745–18–49
                                                  EPA proposes to take no action on a                        3. Ross County                                     satisfy EPA’s nonattainment planning
                                                  portion of one submitted rule, which                       4. Wayne County                                    requirements.
                                                  has never been federally approved. EPA                     E. Removal of Rescinded Rule
                                                  also proposes to remove one rule from                   III. What action is EPA taking?                       II. Review of Rules
                                                  the SIP, which Ohio rescinded and                       IV. Incorporation by Reference                        A. Overview
                                                  replaced in 2009.                                       V. Statutory and Executive Order Reviews
                                                                                                                                                                   Ohio’s federally approved SO2 SIP
                                                  DATES: Comments must be received on                     I. Introduction                                       contains six generally applicable
                                                  or before September 17, 2018.                              On March 13, 2017, Ohio submitted                  chapters of OAC 3745–18 and 88
                                                  ADDRESSES: Submit your comments,                        revisions to the Ohio Administrative                  county-specific chapters. The six
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                                                  identified by Docket ID No. EPA–R05–                    Code Chapter 3745–18 (OAC 3745–18),                   generally applicable chapters are OAC
                                                  OAR–2017–0165 at http://                                effective on February 16, 2017, for                   3745–18–01, ‘‘Definitions and
                                                  www.regulations.gov, or via email to                    incorporation by EPA into the Ohio SO2                incorporation by reference,’’ OAC 3745–
                                                  Blakley.pamela@epa.gov. For comments                    SIP. OAC 3745–18 contains Ohio’s air                  18–02, ‘‘Ambient air quality standards;
                                                  submitted at Regulations.gov, follow the                emission regulations for SO2, which                   sulfur dioxide,’’ OAC 3745–18–03,
                                                  online instructions for submitting                      include both statewide requirements                   ‘‘Attainment dates and compliance time
                                                  comments. Once submitted, comments                      and emission limits for each Ohio                     schedules,’’ OAC 3745–18–04,
                                                  cannot be edited or removed from                        county. This submittal was the product                ‘‘Measurement methods and


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                                                  40724                 Federal Register / Vol. 83, No. 159 / Thursday, August 16, 2018 / Proposed Rules

                                                  procedures,’’ OAC 3745–18–05,                           passed and Ohio found the                                In the March 13, 2017 submittal, OAC
                                                  ‘‘Ambient and meteorological                            requirements in OAC 3745–18–03(A)(1)                   3745–18–04(D)(9)(c) contains a
                                                  monitoring requirements,’’ and OAC                      duplicative of language in other state                 typographical error which misnames the
                                                  3745–18–06, ‘‘General emission limit                    and Federal documents. Since the                       required method for coal sampling and
                                                  provisions.’’ Specific emission limits for              attainment date language was no longer                 analysis for facilities in Butler County.
                                                  SO2 sources in each Ohio county are                     contained in the rule, Ohio retitled OAC               OAC 3745–18–04(D)(9)(c) was approved
                                                  found in OAC 3745–18–07 (‘‘Adams                        3745–18–03 ‘‘Compliance time                           into Ohio’s SO2 SIP without the
                                                  county emission limits’’) through OAC                   schedules.’’ Ohio added paragraphs in                  typographical error on January 31, 2002
                                                  3745–18–94 (‘‘Wyandot county                            OAC 3745–18–03(B) and OAC 3745–18–                     (67 FR 4669). EPA proposes to take no
                                                  emission limits’’).                                     03(C) which apply to sources in the                    action on the March 13, 2017 submittal
                                                     Ohio’s March 13, 2017 SIP revision                   Lake County nonattainment area and the                 of OAC 3745–18–04(D)(9)(c). The
                                                  request included revised versions of all                Steubenville WV–OH interstate                          paragraph will instead be retained in
                                                  of these rules except OAC 3745–18–02                    nonattainment area. These paragraphs                   Ohio’s SO2 SIP as it was previously
                                                  and OAC 3745–18–06. Ohio’s federally                    are discussed below in section II C. EPA               approved.
                                                  approved SO2 SIP currently includes                     is proposing to approve OAC 3745–18–                     Ohio made minor grammatical
                                                  OAC 3745–18–02, ‘‘Ambient air quality                   03.                                                    changes to OAC 3745–18–05, which
                                                  standards; sulfur dioxide,’’ with an                       OAC 3745–18–04 contains fuel test                   covers requirements for ambient
                                                  effective date of January 23, 2006.                     method requirements for Ohio facilities.               monitoring. EPA proposes to find these
                                                  However, Ohio rescinded this rule in                    Ohio revised OAC 3745–18–04 to                         changes approvable.
                                                  2009 and moved its contents to a new                    update facility names and locations for                  Most of Ohio’s county-specific rules,
                                                  rule. See section II E. for the discussion              sources with facility-specific coal test               OAC 3745–18–07 through OAC 3745–
                                                  of EPA’s proposed action regarding OAC                  method requirements. Ohio removed                      18–94, have been updated significantly.
                                                  3745–18–02. Ohio’s federally approved                   facility-specific or county-specific coal              Ohio removed facility-specific emission
                                                  SO2 SIP also includes OAC 3745–18–06,                   test methods where they were no longer                 limits where the affected facilities have
                                                  with an effective date of February 17,                  necessary, because the affected facilities             closed, or where the units which were
                                                  2011. Ohio did not submit any revisions                 are no longer operating, no longer using               subject to the previously approved rules
                                                  to this rule. Therefore, the 2011 version               coal, or currently using other methods,                have been retired or have converted to
                                                  of this rule is retained in Ohio’s SIP.                 such as a continuous emission                          use lower sulfur fuels. Ohio confirmed
                                                     Ohio’s March 13, 2017 submittal                      monitoring system (CEMS), for                          the facilities’ current emissions and
                                                  updated OAC 3745–18 with current                        determining compliance.                                emission limitations with its operating
                                                  information for each listed facility, as                   Ohio added one paragraph and                        permits database. Each county-specific
                                                  confirmed by the state database. Some                   removed another paragraph in OAC                       rule has retained its previously
                                                  Ohio facilities have merged or changed                  3745–18–04(D), which are applicable to                 approved general SO2 emission limit,
                                                  ownership in recent years. Ohio                         sources in the Lake County                             applicable to all coal-fired steam
                                                  updated the rules where necessary to                    nonattainment area and the Steubenville                generating units in the county. CAA
                                                  reflect each facility’s current name or                 WV–OH interstate nonattainment area.                   section 110(l) states that SIP revisions
                                                  ownership and the current location of                   These paragraphs are discussed below                   cannot be approved if they interfere
                                                  the emission units that are subject to                  in section II C.                                       with applicable requirements
                                                  SO2 emission limits. Ohio removed                          Several paragraphs in OAC 3745–18–                  concerning attainment and reasonable
                                                  some facilities entirely from the site-                 04 have not been previously approved                   further progress. EPA proposes to find
                                                  specific emission limit listings if the                 by EPA, because they appeared to allow                 that it is permissible under CAA section
                                                  state had evidence confirming that the                  compliance determinations based on 30-                 110(l) to approve the revised rules in
                                                  entire facility has closed, or that all the             day averaged emission calculations for                 Ohio’s March 13, 2017 SIP submittal
                                                  emission units at the facility which                    emission limits which were intended to                 where Ohio has removed obsolete
                                                  were subject to the site-specific                       address NAAQS with averaging times of                  emission limits for units which have
                                                  emission limits have been removed or                    24 hours and less. These paragraphs,                   permanently closed and for which the
                                                  are no longer emitting SO2. If a facility’s             OAC 3745–18–04(D)(2), (D)(3), (D)(5),                  permits to operate have been revoked, as
                                                  site-specific emission limits were                      (D)(6) and OAC 3745–18–04(E)(2), (E)(3)                these rule revisions do not indicate
                                                  removed, but the facility is still                      and (E)(4), have not been significantly                permission to increase emissions.
                                                  operating and could be subject to its                   revised in Ohio’s March 13, 2017
                                                                                                          submittal. As the previously identified                C. Rules Addressing Nonattainment
                                                  general countywide limit, Ohio retained                                                                        Areas
                                                  the facility’s listing in the compliance                deficiencies have not been adequately
                                                  date section of OAC 3745–18–03.                         addressed, EPA proposes to take no                        On August 5, 2013, EPA designated
                                                                                                          action on these provisions, and they are               three areas nonattainment for SO2 in
                                                  B. Revisions to General Rules                           not part of the SIP.1                                  Ohio: Lake County, the Muskingum
                                                    OAC 3745–18–01 contains definitions                                                                          River area, and the Steubenville OH-WV
                                                  and references to test methods and other                   1 When these provisions were originally             interstate area. Ohio was required to
                                                  Federal requirements. Ohio updated the                  submitted, EPA policy was generally to find that       prepare SIPs which would bring its
                                                                                                          limits with compliance based on 30-day averaging
                                                  Code of Federal Regulations publication                 did not assure attainment with standards based on
                                                                                                                                                                 three SO2 nonattainment areas into
                                                  dates in this rule. EPA is proposing to                 shorter averaging times. In 2014, EPA issued           attainment by October 4, 2018. After
                                                  approve OAC 3745–18–01.                                 guidance reflecting a new policy, indicating that it   evaluating local SO2 emissions and
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                                                    OAC 3745–18–03 contains the                           could find that limits with averaging times up to 30   using dispersion models to determine
                                                                                                          days may provide for attainment in selected cases,
                                                  compliance dates and schedules                          subject to various criteria, most notably that the
                                                                                                                                                                 the emission limits which could be
                                                  applicable to Ohio SO2 sources. Ohio                    longer-term average limit reflect an adjustment so     expected to provide for attainment,
                                                  has removed and reserved OAC 3745–                      as to have comparable stringency to the 1-hour limit   Ohio revised its SO2 SIP rules to address
                                                  18–03(A), which required attainment                     which had been demonstrated to provide for             SO2 sources within these nonattainment
                                                                                                          attainment. Ohio has not sought to demonstrate that
                                                  with the NAAQS by specific dates,                       these criteria are met on a state-wide basis, and so
                                                                                                                                                                 areas at OAC 3745–18–49 (Lake County)
                                                  because the county-specific attainment                  EPA has no new information that might warrant          and OAC 3745–18–47 (Jefferson
                                                  dates in OAC 3745–18–03(A)(2) have                      revisiting the approvability of these provisions.      County). Ohio added related provisions


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                                                                        Federal Register / Vol. 83, No. 159 / Thursday, August 16, 2018 / Proposed Rules                                          40725

                                                  in OAC 3745–18–03 and OAC 3745–18–                      Painesville plant’s revised emission                  18–03(C)(3)(tt) for the Muskingum River
                                                  04. Ohio first adopted these                            limits in OAC 3745–18–49(F).                          plant and updated the facility’s name to
                                                  nonattainment area provisions in                           Ohio has removed the entry at OAC                  Muskingum River Development, LLC.
                                                  October 2015, but later made significant                3745–18–49(G) for the Eastlake Power                  OAC 3745–18–03(C)(3)(tt) requires any
                                                  revisions and corrections to the rules.                 Plant in Willoughby, Ohio (now known                  remaining SO2 emission units at the
                                                  Ohio adopted the revised rules on                       as the Eastlake Substation), because the              facility to comply with the limits
                                                  February 6, 2017, and submitted them to                 boilers at the Eastlake Substation which              specified in OAC 3745–18–90, which, as
                                                  EPA on March 13, 2017.                                  were subject to OAC 3745–18–49(G)                     revised, contains only the Washington
                                                                                                          were permanently shut down in April                   County general SO2 limit for coal-fired
                                                  1. Lake County Area                                     2015. OAC 3745–18–03(C)(3)(hh) still                  steam generating units at OAC 3745–18–
                                                     The new and revised rules relevant to                requires any remaining emission units                 90(A). Because the Muskingum River
                                                  the Lake County nonattainment area                      at the Eastlake Substation to comply                  plant has permanently retired its large
                                                  include OAC 3745–18–03(B)(9), OAC                       with the county-wide SO2 limits at OAC                boilers and has thus significantly
                                                  3745–18–03(C)(11), OAC 3745–18–                         3745–18–49(A). The shut-down units,                   reduced its SO2 emissions, and because
                                                  04(D)(10), OAC 3745–18–49(F), OAC                       however, may not restart without                      the Muskingum River plant no longer
                                                  3745–18–03(C)(3)(hh), and the removal                   applying for a new permit. Because the                holds a permit to restart the boilers, EPA
                                                  of the previously approved paragraph                    Eastlake Substation has permanently                   proposes to find that the removal from
                                                  OAC 3745–18–49(G). Ohio revised the                     retired its boilers and has thus                      the SIP of the Muskingum River plant’s
                                                  Lake County rule at OAC 3745–18–49(F)                   significantly reduced its SO2 emissions,              boiler emission limits is permissible
                                                  to add new emission limits for the                      and because the Eastlake Substation no                under CAA section 110(l). EPA is
                                                  Painesville Municipal Electric Plant in                 longer holds a permit to restart the                  proposing to approve the rule revisions
                                                  Painesville, Ohio (the Painesville plant).              boilers, EPA proposes to find that the                applicable to the Muskingum River
                                                  OAC 3745–18–49(F) restricts the                         removal from the SIP of the Eastlake                  plant because they update Ohio’s SO2
                                                  Painesville plant to operate only one of                Substation’s boiler limits is permissible             SIP by removing obsolete emission
                                                  its three boilers on coal at any time;                  under CAA section 110(l).                             limits while complying with CAA
                                                  limits Boiler 5 to 287 pounds of SO2 per                   EPA is proposing to approve the rule               section 110(l). EPA is not proposing
                                                                                                          revisions in OAC 3745–18 which apply                  action regarding whether Ohio’s
                                                  hour (lb/hr), averaged over 30 operating
                                                                                                          to the Painesville plant and the Eastlake             revisions to OAC 3745–18–64(B), OAC
                                                  days; and limits Boilers 3 and 4 each to
                                                                                                          Substation in Lake County, because the                3745–18–90(B) and related material
                                                  340 lb/hr, averaged over 30 operating
                                                                                                          rules update the SIP and strengthen it                satisfy nonattainment planning
                                                  days. The combined average operating
                                                                                                          by reducing allowable emissions. EPA is               requirements for the Muskingum River
                                                  rate for the three boilers must not
                                                                                                          not proposing action regarding whether                nonattainment area. EPA intends to
                                                  exceed 249 million British Thermal
                                                                                                          Ohio’s revisions to OAC 3745–18–49                    address whether Ohio has satisfied the
                                                  Units per hour (MMBtu/hr) for any
                                                                                                          and related material satisfy                          nonattainment planning requirements in
                                                  calendar day, excluding heat input from
                                                                                                          nonattainment planning requirements                   a subsequent action.
                                                  burning natural gas or biomass. Each
                                                                                                          for the Lake County nonattainment area.
                                                  boiler is additionally limited to no more                                                                     3. Steubenville Area (Jefferson County)
                                                                                                          EPA intends to address whether Ohio
                                                  than a ten percent annual capacity                      has satisfied the nonattainment                          The new and revised rules relevant to
                                                  factor as defined in 40 CFR 63.7575,                    planning requirements for the Lake                    the Steubenville OH-WV interstate
                                                  excluding heat input from burning                       County nonattainment area in a separate               nonattainment area include the new
                                                  natural gas or biomass. The rule also                   action.                                               paragraphs at OAC 3745–18–03(B)(9)
                                                  defines biomass as an additional fuel                                                                         and OAC 3745–18–03(C)(11), the
                                                  source for this facility; the biomass                   2. Muskingum River Area (Morgan and
                                                                                                                                                                revised emission limits in OAC 3745–
                                                  would not be a significant source of                    Washington Counties)
                                                                                                                                                                18–47, and the removal of OAC 3745–
                                                  SO2. The revisions to OAC 3745–18–                         The rules relevant to the Muskingum                18–04(D)(4). Ohio addressed three
                                                  49(F) represent a reduction in allowable                River nonattainment area include OAC                  Jefferson County sources for the
                                                  SO2 emissions and operating rates for                   3745–18–64 (Morgan County), OAC                       Steubenville nonattainment area: The
                                                  this facility.                                          3745–18–90 (Washington County) and                    Cardinal Power Plant in Brilliant, Ohio
                                                     Ohio added OAC 3745–18–03(B)(9) to                   OAC 3745–18–03(C)(3)(tt). The                         (the Cardinal plant), the Mingo Junction
                                                  require the Painesville plant to apply for              previously approved rules OAC 3745–                   Steel Works, LLC facility in Mingo
                                                  a permit or permit modification to                      18–64(B) and OAC 3745–18–90(B)                        Junction, Ohio (Mingo Junction Steel
                                                  provide for compliance with its site-                   contained identical SO2 emission limits               Works), and the Mingo Junction Energy
                                                  specific SO2 emission limits. Ohio                      for the Muskingum River power plant,                  Center, LLC facility in Mingo Junction,
                                                  added OAC 3745–18–03(C)(11) to                          located near Waterford, Ohio (the                     Ohio, (Mingo Junction Energy Center).
                                                  require compliance with the revised                     Muskingum River plant). The boilers at                Ohio revised OAC 3745–18–47(D) for
                                                  site-specific rules for the Painesville                 the Muskingum River plant were                        the Cardinal plant to limit each of units
                                                  plant as of thirty days from February 16,               permanently shut down as of July 14,                  1 and 2 to 1.065 pounds of SO2 per
                                                  2017, which is the effective date of the                2015, leaving no emission units at the                million British Thermal Units (lb/
                                                  revised rules OAC 3745–18–03(C)(11)                     Muskingum River plant which are                       MMBtu) actual heat input. These limits,
                                                  and OAC 3745–18–49(F). The                              subject to OAC 3745–18–64(B) or OAC                   which reflect current permit conditions
                                                  Painesville plant’s compliance date is                  3745–18–90(B). These units have been                  for the Cardinal plant, represent an SO2
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                                                  the earliest compliance date practicable                removed from the facility’s permit. The               emission reduction from the previously
                                                  after Ohio revised the facility’s                       shut-down units may not restart unless                approved limits for the Cardinal plant,
                                                  previously adopted rules to address an                  the facility applies for and receives a               which had allowed 7.08 lb/MMBtu at
                                                  issue EPA identified in Ohio’s 2015                     new permit. Therefore, Ohio has                       units 1 and 2. Ohio also revised the
                                                  nonattainment SIP submittal for Lake                    removed the entries for the Muskingum                 emission limit for the Cardinal plant’s
                                                  County. Ohio added OAC 3745–18–                         River plant from OAC 3745–18–64(B)                    unit 3 to 0.66 lb/MMBtu actual heat
                                                  04(D)(10) to provide the method for                     and OAC 3745–18–90(B). Ohio retained                  input and moved the listing to OAC
                                                  calculating compliance with the                         and renumbered paragraph OAC 3745–                    3745–18–47(D). Unit 3 had previously


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                                                  40726                 Federal Register / Vol. 83, No. 159 / Thursday, August 16, 2018 / Proposed Rules

                                                  been listed under OAC 3745–18–47(O)                     approved compliance test requirements                 been updated to revise the facility’s
                                                  as a unit operated by Buckeye Power,                    in OAC 3745–18–04(D). Under its                       name, address, and premise number,
                                                  Incorporated, with a limit of 2.0 lb/                   current operating permit, the Cardinal                and to remove emission limits for units
                                                  MMBtu. EPA is proposing to approve                      plant uses CEMS to determine                          which shut down prior to 2002. The
                                                  these rule revisions because they update                compliance with its permitted emission                updated rules still contain limits for
                                                  the Ohio SO2 SIP and strengthen it by                   limits.                                               several units, B101, B102, B104, B001,
                                                  reducing allowable SO2 emissions.                          EPA is proposing to approve the                    B002, B003, B005, and B006, which
                                                     For Mingo Junction Steel Works,                      revised rules for the Cardinal plant,                 Cleveland Thermal, LLC, was to retire or
                                                  which was formerly listed in OAC                        Mingo Junction Steel Works and the                    convert to auxiliary status by January
                                                  3745–18–47(G) as Wheeling-Pittsburgh                    Mingo Junction Energy Center as                       2017, in accordance with a consent
                                                  Steel, Steubenville South Plant, Ohio                   measures which update the state’s SO2                 decree. The consent decree is in force
                                                  has removed the obsolete emission                       SIP and strengthen the SIP by reducing                and Cleveland Thermal, LLC’s federally
                                                  limits in OAC 3745–18–47(G)(1) for                      allowable emissions. EPA is not                       enforceable permit no longer includes
                                                  Boilers 1 through 12 and the obsolete                   proposing action regarding whether                    these units. EPA is proposing to approve
                                                  emission limits in OAC 3745–18–                         Ohio’s revisions to OAC 3745–18 for the               the revised OAC 3745–18–24(G) and
                                                  47(G)(2) for the forty-four-inch soaking                Cardinal plant, Mingo Junction Steel                  OAC 3745–18–24(H) as an update to the
                                                  pits combusting coke oven gas. The                      Works and the Mingo Junction Energy                   SIP, since this action would retain
                                                  boilers have shut down and the Mingo                    Center, and related material, satisfy                 EPA’s authority to enforce both limits.
                                                  Junction Steel Works no longer receives                 nonattainment planning requirements                     The remainder of the Cuyahoga
                                                  or uses coke oven gas as fuel; it now                   for the Steubenville OH-WV interstate                 County rule has been revised to update
                                                  uses natural gas. Ohio added limits of                  nonattainment area. EPA intends to                    facility names and locations and to
                                                  1.0 lb/hr for the facility’s reheat                     address whether Ohio has satisfied the                remove emission limits for facilities
                                                  furnaces 2 to 4 at OAC 3745–18–                         nonattainment planning requirements                   which were no longer operating and for
                                                  47(G)(3), a limit of 105.0 lb/hr for the                for the Steubenville WV-OH                            units which no longer operate at
                                                  electric arc furnace number 1 at OAC                    nonattainment area in a subsequent                    existing facilities. EPA is proposing to
                                                  3745–18–47(G)(4), and a limit of 14.0 lb/               action.                                               approve OAC 3745–18–24.
                                                  hr for the ladle metallurgical furnace to
                                                                                                          D. County-Specific Issues                             2. Lorain County
                                                  the electric arc furnace at OAC 3745–
                                                  18–47(G)(5). EPA is proposing to                                                                                 Ohio revised the Lorain County rule
                                                                                                          1. Cuyahoga County
                                                  approve these rule revisions because                                                                          at OAC 3745–18–53(B) for the Avon
                                                  they update the Ohio SO2 SIP to reflect                    Ohio revised OAC 3745–18–24(V)                     Lake Power Plant (the Avon Lake plant)
                                                  the current facility name and operations                regarding the Medical Center Company,                 in Lorain County, to update facility
                                                  at Mingo Junction Steel Works. EPA is                   located in Cleveland, to update the                   identification and remove emission
                                                  also proposing to approve OAC 3745–                     facility’s operating unit names and to                limits for units which were shut down
                                                  18–47(G) because it strengthens the SIP                 remove emission limits for units which                between 1981 and 1997. In November
                                                  by reducing allowable emissions.                        have not been present at the facility                 2016, Ohio placed new SO2 emission
                                                     For the Mingo Junction Energy Center,                since 2002. The Medical Center                        limits for the Avon Lake plant in a
                                                  the state has added OAC 3745–18–47(P)                   Company has recently replaced two                     federally enforceable operating permit.
                                                  which limits units 1 to 4 to 0.0028 lb/                 boilers, 1N and 2N, with three new                    The new limits, which were effective as
                                                  MMBtu actual heat input each. This                      units having lower SO2 emissions. Ohio                of January 13, 2017, provided a
                                                  limit reflects a fuel change from coke                  placed new requirements in a 2015                     combined emission limit of 1.59 lb/
                                                  oven gas to natural gas. EPA is                         federally enforceable permit-to-install               MMBtu for Boilers 10 and 12 on a 30-
                                                  proposing to approve this rule revision                 for the Medical Center Company, stating               day average basis. See permit-to-install
                                                  because it strengthens the Ohio SO2 SIP                 that the old boilers must be permanently              number P0121748. Ohio relied on these
                                                  by reducing allowable emissions.                        retired by January 13, 2017. See final                limits, which reduced the Avon Lake
                                                     Ohio added OAC 3745–18–03(B)(9) to                   permit-to-install number P0118541.                    plant’s allowable SO2 emissions, during
                                                  require Mingo Junction Steel Works and                  Ohio relied on the emission reductions                the designation process for the 2010 SO2
                                                  the Mingo Junction Energy Center to                     from this boiler replacement during the               NAAQS. However, the Lorain County
                                                  apply for a permit or permit                            designation process for the 2010 SO2                  rule, as adopted February 6, 2017, and
                                                  modification to provide for compliance                  NAAQS. However, the Cuyahoga                          submitted to EPA on March 13, 2017,
                                                  with their site-specific SO2 emission                   County rule at OAC 3745–18–24, as                     retained the Avon Lake plant’s
                                                  limits. (Cardinal’s revised limits are                  adopted February 6, 2017, and                         previously approved emission limit of
                                                  already in its permit.) Ohio added OAC                  submitted to EPA on March 13, 2017,                   4.65 lb/MMBtu for Boilers 10 and 12
                                                  3745–18–03(C)(11) to require                            retained the Medical Center Company’s                 each. Although the revised rule retained
                                                  compliance with the revised site-                       previously approved emission limit of                 the previous, higher emission limit, the
                                                  specific rules for the Cardinal plant,                  4.6 lb/MMBtu for each of the old                      tighter SO2 emission limits within the
                                                  Mingo Junction Steel Works and the                      boilers. Although the rule retained the               Avon Lake plant’s operating permit are
                                                  Mingo Junction Energy Center by                         previously approved limit, the facility’s             federally enforceable. EPA is proposing
                                                  January 1, 2017. This compliance date                   boiler closure requirement and the                    to approve OAC 3745–18–53(B), since
                                                  reflects the recommendations of EPA’s                   lower SO2 emission limits applicable to               this action would retain EPA’s authority
                                                  nonattainment SIP guidance.                             its new units are federally enforceable               to enforce both limits.
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                                                     Ohio removed OAC 3745–18–                            in the facility’s permit. EPA is                         Ohio added paragraph OAC 3745–18–
                                                  04(D)(4), which gave a specific                         proposing to approve the revised OAC                  53(G) for U.S. Steel Seamless Tubular
                                                  compliance test method for the Cardinal                 3745–18–24(V) as an update to the SIP,                Operations, LLC—Lorain. This
                                                  plant. The provision is no longer                       since this action would retain EPA’s                  paragraph covers an emissions unit
                                                  considered necessary due to the                         authority to enforce both limits.                     which was previously listed under OAC
                                                  Cardinal plant’s current limits,                           Likewise, the emission limits for                  3745–18–53(D), but has been transferred
                                                  operations, and emission controls. The                  Cleveland Thermal, LLC, at OAC 3745–                  to a new location and a new owner
                                                  Cardinal plant is subject to the federally              18–24(G) and OAC 3745–18–24(H), have                  within the city of Lorain, Ohio. The unit


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                                                                        Federal Register / Vol. 83, No. 159 / Thursday, August 16, 2018 / Proposed Rules                                          40727

                                                  retains its previously approved emission                13 each (OAC 3745–18–91(E)). Since the                be found within Ohio’s federally
                                                  limits of 1.98 lb/MMBtu and 178 lb/hr.                  Orrville plant’s tighter SO2 emission                 approved SIP at OAC 3745–25–02(B),
                                                    The remainder of the Lorain County                    limit in its permit is federally                      the removal of rule OAC 3745–18–02
                                                  rule has been revised to update facility                enforceable, EPA is proposing to                      from the SIP is permissible under
                                                  names and locations, and to remove                      approve OAC 3745–18–91(E) as an                       section 110(l) of the CAA. Therefore,
                                                  emission limits for facilities which were               update to the SIP, since this action                  EPA proposes to remove OAC 3745–18–
                                                  no longer operating and for units which                 would retain EPA’s authority to enforce               02 from Ohio’s SIP.
                                                  no longer operate at existing facilities.               both limits.
                                                  EPA is proposing to approve OAC 3745–                     In 2015, Ohio revised the federally                 III. What action is EPA taking?
                                                  18–53.                                                  enforceable permit for Morton Salt, Inc.,                EPA is proposing to approve Ohio’s
                                                                                                          in Rittman, Ohio, to reflect the facility’s           March 13, 2017 submittal of OAC 3745–
                                                  3. Ross County                                                                                                18–01; OAC 3745–18–03; OAC 3745–
                                                                                                          replacement of two boilers with new
                                                     Ohio revised the Ross County rule at                 units with lower SO2 emissions. See                   18–04 [with the exception of OAC
                                                  OAC 3745–18–77(B) for the P. H.                         permit number P0120758. Ohio relied                   3745–18–04(D)(2), (D)(3), (D)(5), (D)(6),
                                                  Glatfelter Company–Chillicothe Facility                 on this boiler replacement and the                    and (D)(9)(c), and OAC 3745–18–
                                                  (Glatfelter) in Ross County, to update                  resulting reduction in allowable SO2                  04(E)(2), (E)(3) and (E)(4)]; OAC 3745–
                                                  facility identification and remove                      emissions during the designation                      18–05; and OAC 3745–18–07 through
                                                  emission limits for units which have                    process for the 2010 SO2 NAAQS. The                   OAC 3745–18–94; as effective on
                                                  been shut down for many years. In 2016,                 Wayne County rule at OAC 3745–18–91,                  February 16, 2017. EPA proposes to find
                                                  Ohio placed a new facility-wide SO2                     as adopted February 6, 2017, and                      that these regulations update and
                                                  emission limit of 1,800 tons per year,                  submitted to EPA on March 13, 2017,                   strengthen the Ohio SO2 SIP. EPA
                                                  effective January 13, 2017, in a federally              updated Morton Salt, Inc.’s facility                  proposes to take no action on OAC
                                                  enforceable permit for Glatfelter. See                  identification but retained the facility’s            3745–18–04(D)(2), (D)(3), (D)(5), (D)(6),
                                                  permit-to-install number P0118906.                      previously approved emission limit of                 and (D)(9)(c), and OAC 3745–18–
                                                  This limit reduced Glatfelter’s allowable               7.0 lb/MMBtu for Boilers 1 and 2 each                 04(E)(2), (E)(3) and (E)(4). EPA proposes
                                                  SO2 emissions, and Ohio relied on this                  (OAC 3745–18–91(F)). Since Morton                     to remove OAC 3745–18–02 from the
                                                  limit during the designation process for                Salt, Inc. has replaced its old boilers,              Ohio SO2 SIP.
                                                  the 2010 SO2 NAAQS. However, the                        and has federally enforceable SO2
                                                  Ross County rule, as adopted February                                                                         IV. Incorporation by Reference
                                                                                                          emission limits for its new units in its
                                                  6, 2017, and submitted to EPA on March                  permit, EPA is proposing to approve                     In this rule, EPA is proposing to
                                                  13, 2017, retained Glatfelter’s previously              OAC 3745–18–91(F) as an update to the                 include in a final EPA rule regulatory
                                                  approved emission limit of 9.9 lb/                      SIP, since this action would retain                   text that includes incorporation by
                                                  MMBtu for Boilers 7 and 8 each.                         EPA’s authority to enforce both limits.               reference. In accordance with
                                                  Although the rule retains the higher                      The remainder of the Wayne County                   requirements of 1 CFR 51.5, EPA is
                                                  emission limit for Boilers 7 and 8, the                 rule has been revised to remove                       proposing to incorporate by reference
                                                  tighter SO2 emission limit in Glatfelter’s              emission limits for facilities which were             Ohio rules OAC 3745–18–01; OAC
                                                  permit is federally enforceable. EPA is                 no longer operating and for units which               3745–18–03; OAC 3745–18–04 [with the
                                                  proposing to approve OAC 3745–18–                       no longer operate at existing facilities.             exception of OAC 3745–18–04(D)(2),
                                                  77(B) as an update to the SIP, since this               EPA is proposing to approve OAC 3745–                 (D)(3), (D)(5), (D)(6), and (D)(9)(c), and
                                                  action would retain EPA’s authority to                  18–91.                                                OAC 3745–18–04(E)(2), (E)(3) and
                                                  enforce both limits.                                                                                          (E)(4)]; OAC 3745–18–05; and OAC
                                                     The remainder of the Ross County                     E. Removal of Rescinded Rule
                                                                                                                                                                3745–18–07 through OAC 3745–18–94,
                                                  rule has been revised to remove                           On September 17, 2009, Ohio                         as effective on February 16, 2017. EPA
                                                  emission limits for facilities which were               submitted revisions to its SIP, and                   has made, and will continue to make,
                                                  no longer operating and for units which                 requested that EPA remove OAC 3745–                   these documents generally available
                                                  no longer operate at existing facilities.               18–02, ‘‘Ambient air quality standards;               through www.regulations.gov, and at the
                                                  EPA is proposing to approve OAC 3745–                   sulfur dioxide,’’ from the SIP, because               EPA Region 5 Office (please contact the
                                                  18–77.                                                  Ohio had rescinded OAC 3745–18–02                     person identified in the FOR FURTHER
                                                                                                          and moved its contents to a new rule,                 INFORMATION CONTACT section of this
                                                  4. Wayne County                                         OAC 3745–25–02, ‘‘Ambient air quality                 preamble for more information).
                                                     In 2016, Ohio placed a new facility-                 standards,’’ effective April 18, 2009.
                                                  wide SO2 emission limit of 1,475 tons                   This rule defined and listed the primary              V. Statutory and Executive Order
                                                  per year, effective January 13, 2017, in                and secondary SO2 standards (prior to                 Reviews
                                                  a federally enforceable operating permit                the 2010 SO2 NAAQS) and required                        Under the CAA, the Administrator is
                                                  for the Department of Public Utilities,                 ambient air quality sampling using the                required to approve a SIP submission
                                                  City of Orrville, Ohio facility (the                    EPA Reference Method or an equivalent                 that complies with the provisions of the
                                                  Orrville plant) in Wayne County. See                    method. In accordance with Ohio’s                     CAA and applicable Federal regulations.
                                                  permit number P0120280. Ohio relied                     September 17, 2009, SIP revision                      42 U.S.C. 7410(k); 40 CFR 52.02(a).
                                                  on this limit, which reduced the                        request, EPA approved OAC 3745–25–                    Thus, in reviewing SIP submissions,
                                                  Orrville plant’s allowable SO2                          02 into Ohio’s SIP on October 26, 2010                EPA’s role is to approve state choices,
                                                  emissions, during the designation                       (75 FR 65572), but EPA did not remove                 provided that they meet the criteria of
sradovich on DSK3GMQ082PROD with PROPOSALS




                                                  process for the 2010 SO2 NAAQS. The                     OAC 3745–18–02 from the SIP. Ohio’s                   the CAA. Accordingly, this action
                                                  Wayne County rule at OAC 3745–18–91,                    rule OAC 3745–25–02(B), effective on                  merely approves state law as meeting
                                                  as adopted February 6, 2017, and                        April 18, 2009, contained substantially               Federal requirements and does not
                                                  submitted to EPA on March 13, 2017,                     identical rule language to the existing               impose additional requirements beyond
                                                  updated the Orrville plant’s facility                   SIP version of OAC 3745–18–02 which                   those imposed by state law. For that
                                                  identification but retained the Orrville                was effective on January 23, 2006. As                 reason, this action:
                                                  plant’s previously approved emission                    the rule language which was previously                  • Is not a significant regulatory action
                                                  limit of 7.0 lb/MMBtu for Boilers 10 to                 approved as OAC 3745–18–02 can now                    subject to review by the Office of


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                                                  40728                 Federal Register / Vol. 83, No. 159 / Thursday, August 16, 2018 / Proposed Rules

                                                  Management and Budget under                             ENVIRONMENTAL PROTECTION                              FOR FURTHER INFORMATION CONTACT:      Ms.
                                                  Executive Orders 12866 (58 FR 51735,                    AGENCY                                                Stephanie Doolan, Environmental
                                                  October 4, 1993) and 13563 (76 FR 3821,                                                                       Protection Agency, Air Planning and
                                                  January 21, 2011);                                      40 CFR Parts 52 and 81                                Development Branch, 11201 Renner
                                                     • Is not an Executive Order 13771 (82                                                                      Boulevard, Lenexa, KS 66219 at (913)
                                                  FR 9339, February 2, 2017) regulatory                   [EPA–R07–OAR–2018–0532; FRL–9982–
                                                                                                                                                                551–7719 or by email at
                                                  action because SIP approvals are                        27—Region 7]
                                                                                                                                                                doolan.stephanie@epa.gov.
                                                  exempted under Executive Order 12866;                   Air Plan Approval; State of Iowa;                     SUPPLEMENTARY INFORMATION:
                                                     • Does not impose an information                                                                           Throughout this document ‘‘we,’’ ‘‘us,’’
                                                                                                          Attainment Redesignation for 2008
                                                  collection burden under the provisions                                                                        and ‘‘our’’ refer to EPA. This section
                                                                                                          Lead NAAQS and Associated
                                                  of the Paperwork Reduction Act (44                                                                            provides additional information by
                                                                                                          Maintenance Plan
                                                  U.S.C. 3501 et seq.);                                                                                         addressing the following:
                                                     • Is certified as not having a                       AGENCY:  Environmental Protection
                                                  significant economic impact on a                                                                              I. What action is EPA proposing to take?
                                                                                                          Agency (EPA).                                         II. Background for EPA’s Proposed Action
                                                  substantial number of small entities                    ACTION: Proposed rule.                                III. EPA’s Analysis of the State’s Request
                                                  under the Regulatory Flexibility Act (5                                                                          A. Criteria (1)—The Area Has Attained the
                                                  U.S.C. 601 et seq.);                                    SUMMARY:    The Environmental Protection                    2008 Pb NAAQS
                                                     • Does not contain any unfunded                      Agency (EPA) is proposing to take                        B. Criteria (2)—The Area Has a Fully
                                                  mandate or significantly or uniquely                    action to approve the State of Iowa’s                       Approved SIP Under Section 110(k)
                                                  affect small governments, as described                  request to redesignate portions of                       C. Criteria (3)—The Air Quality
                                                  in the Unfunded Mandates Reform Act                     Pottawattamie County, Council Bluffs,                       Improvement is Due to Permanent and
                                                  of 1995 (Pub. L. 104–4);                                Iowa to attainment for the 2008 lead                        Enforceable Reductions in Emissions
                                                     • Does not have Federalism                           (Pb) National Ambient Air Quality                           Resulting From Implementation of the
                                                  implications as specified in Executive                                                                              Applicable SIP and Applicable Federal
                                                                                                          Standards (NAAQS). EPA’s proposed                           Air Pollutant Control Regulations and
                                                  Order 13132 (64 FR 43255, August 10,                    approval of the redesignation request is
                                                  1999);                                                                                                              Other Permanent and Enforceable
                                                                                                          based on the determination that the                         Reductions
                                                     • Is not an economically significant
                                                                                                          Council Bluffs area has met the criteria                 D. Criteria (4)—the Administrator Has
                                                  regulatory action based on health or
                                                                                                          for redesignation to attainment set forth                   Fully Approved a Maintenance Plan for
                                                  safety risks subject to Executive Order                                                                             the Area as Meeting the Requirements of
                                                                                                          in the Clean Air Act (CAA), including
                                                  13045 (62 FR 19885, April 23, 1997);                                                                                Section 175A
                                                     • Is not a significant regulatory action             the determination that the area has
                                                                                                          attained the standard. Additionally,                     1. Emissions Inventory
                                                  subject to Executive Order 13211 (66 FR                                                                          2. Maintenance Demonstration
                                                  28355, May 22, 2001);                                   EPA is approving the state’s plan for
                                                                                                                                                                   3. Monitoring Network
                                                     • Is not subject to requirements of                  maintaining the 2008 Pb NAAQS in the                     4. Verification of Continued Attainment
                                                  Section 12(d) of the National                           Council Bluffs area for ten years beyond                 5. Contingency Plan
                                                  Technology Transfer and Advancement                     redesignation.                                           E. Criteria (5)—The Area Has Met All
                                                  Act of 1995 (15 U.S.C. 272 note) because                DATES: Comments must be received on                         Applicable Requirements Under Section
                                                  application of those requirements would                 or before September 17, 2018.                               110 and Part D
                                                                                                                                                                IV. Summary of Proposed Action
                                                  be inconsistent with the CAA; and                       ADDRESSES: Submit your comments,                      V. Statutory and Executive Order Reviews
                                                     • Does not provide EPA with the                      identified by Docket ID No. EPA–R07–
                                                  discretionary authority to address, as                  OAR–2018–0532 to https://                             I. What action is EPA proposing to
                                                  appropriate, disproportionate human                     www.regulations.gov. Follow the online                take?
                                                  health or environmental effects, using                  instructions for submitting comments.                    EPA is proposing to approve Iowa’s
                                                  practicable and legally permissible                     Once submitted, comments cannot be                    request to redesignate the Council Bluffs
                                                  methods, under Executive Order 12898                    edited or removed from Regulations.gov.               area to attainment for the 2008 Pb
                                                  (59 FR 7629, February 16, 1994).                        The EPA may publish any comment                       NAAQS. On September 18, 2017, the
                                                     In addition, the SIP is not approved                 received to its public docket. Do not
                                                  to apply on any Indian reservation land                                                                       state submitted a request for
                                                                                                          submit electronically any information                 redesignation that demonstrates NAAQS
                                                  or in any other area where EPA or an                    you consider to be Confidential
                                                  Indian tribe has demonstrated that a                                                                          attainment and an associated
                                                                                                          Business Information (CBI) or other                   maintenance plan to ensure that the area
                                                  tribe has jurisdiction. In those areas of               information whose disclosure is
                                                  Indian country, the rule does not have                                                                        continues to attain the standard. Based
                                                                                                          restricted by statute. Multimedia                     on its review of the state’s submittal
                                                  tribal implications and will not impose                 submissions (audio, video, etc.) must be
                                                  substantial direct costs on tribal                                                                            which is described in detail in the
                                                                                                          accompanied by a written comment.                     following sections, EPA proposes to
                                                  governments or preempt tribal law as                    The written comment is considered the
                                                  specified by Executive Order 13175 (65                                                                        approve the redesignation request for
                                                                                                          official comment and should include                   the area and associated maintenance
                                                  FR 67249, November 9, 2000).                            discussion of all points you wish to                  plan.
                                                  List of Subjects in 40 CFR Part 52                      make. The EPA will generally not
                                                                                                          consider comments or comment                          II. Background for EPA’s Proposed
                                                    Environmental protection, Air                                                                               Action
                                                  pollution control, Incorporation by                     contents located outside of the primary
                                                                                                          submission (i.e., on the web, cloud, or                  On October 15, 2008, EPA
sradovich on DSK3GMQ082PROD with PROPOSALS




                                                  reference, Intergovernmental relations,
                                                  Reporting and recordkeeping                             other file sharing system). For                       promulgated a revision to the Pb
                                                  requirements, Sulfur oxides.                            additional submission methods, the full               NAAQS, lowering the standard from 1.5
                                                                                                          EPA public comment policy,                            micrograms per cubic meter (mg/m3) to
                                                    Dated: August 2, 2018.                                information about CBI or multimedia                   0.15 mg/m3 (73 FR 66963). The state
                                                  Cathy Stepp,                                            submissions, and general guidance on                  began air monitoring for Pb on
                                                  Regional Administrator, Region 5.                       making effective comments, please visit               November 3, 2009, at a source-oriented
                                                  [FR Doc. 2018–17587 Filed 8–15–18; 8:45 am]             https://www2.epa.gov/dockets/                         monitor in the Council Bluffs area near
                                                  BILLING CODE 6560–50–P                                  commenting-epa-dockets.                               the Griffin Pipe Products Company, LLC


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Document Created: 2018-08-16 01:03:09
Document Modified: 2018-08-16 01:03:09
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 September 17, 2018.
ContactMary Portanova, Environmental Engineer, Control Strategies Section, Air Programs Branch (AR-18J), Environmental Protection Agency, Region 5, 77 West Jackson Boulevard, Chicago, Illinois 60604, (312)353-5954, [email protected]
FR Citation83 FR 40723 
CFR AssociatedEnvironmental Protection; Air Pollution Control; Incorporation by Reference; Intergovernmental Relations; Reporting and Recordkeeping Requirements and Sulfur Oxides

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