83 FR 57324 - Prevention of Significant Deterioration (PSD) and Nonattainment New Source Review (NNSR): Aggregation; Reconsideration
ENVIRONMENTAL PROTECTION AGENCY Federal Register Volume 83, Issue 221 (November 15, 2018)
Federal Register Volume 83, Issue 221 (November 15, 2018)
| Page Range | 57324-57333 | |
| FR Document | 2018-24820 |
[Federal Register Volume 83, Number 221 (Thursday, November 15, 2018)] [Rules and Regulations] [Pages 57324-57333] From the Federal Register Online [www.thefederalregister.org] [FR Doc No: 2018-24820] ======================================================================= ----------------------------------------------------------------------- ENVIRONMENTAL PROTECTION AGENCY 40 CFR Parts 51 and 52 [EPA-HQ-OAR-2003-0064; FRL-9986-47-OAR] RIN 2060-AP80 Prevention of Significant Deterioration (PSD) and Nonattainment New Source Review (NNSR): Aggregation; Reconsideration AGENCY: Environmental Protection Agency (EPA). ACTION: Final action; lifting of administrative stay and announcement of effective date. ----------------------------------------------------------------------- SUMMARY: In this action, the Environmental Protection Agency (EPA) is concluding the reconsideration of an earlier action that the EPA published on January 15, 2009, titled ``Prevention of Significant Deterioration (PSD) and Nonattainment New Source Review (NSR): Aggregation and Project Netting.'' The 2009 action--hereafter referred to as ``2009 NSR Aggregation Action''--clarified implementation of the New Source Review (NSR) permitting program under the Clean Air Act (CAA or Act) with respect to treating related physical or operational changes as a single ``modification'' for the purpose of determining NSR applicability at a stationary source. On April 15, 2010, the EPA proposed to revoke the 2009 NSR Aggregation Action. After a review of the public comments received on that proposal, the EPA has now decided to not revoke the 2009 NSR Aggregation Action. The EPA is, therefore, retaining the interpretation set forth in the 2009 NSR Aggregation Action, while not adopting any changes to the relevant rule text. At the same time, the EPA is using this present action to clarify the implications of the 2009 NSR Aggregation Action for EPA-approved permitting programs. This action also lifts the administrative stay and announces the effective date of the 2009 NSR Aggregation Action. DATES: This action is effective on November 15, 2018. ADDRESSES: The EPA has established a docket for this action, identified by Docket ID No. EPA-HQ-OAR-2003-0064. All documents in the docket are listed in the http://www.regulations.gov website. Although listed in the index, some information may not be publicly available, e.g., Confidential Business Information or other information whose disclosure is restricted by statute. Certain other material, such as copyrighted material, is not placed on the internet and will be publicly available only in hard copy. Publicly available docket materials are available electronically in http://www.regulations.gov. FOR FURTHER INFORMATION CONTACT: For further general information on this action, contact Mr. Dave Svendsgaard, Office of Air Quality Planning and Standards (OAQPS), Air Quality Policy Division, U.S. EPA, Mail Code 504-03, 109 T.W. Alexander Drive, Research Triangle Park, NC 27711; by telephone at (919) 541-2380; or by email at svendsgaard.dave@epa.gov. SUPPLEMENTARY INFORMATION: I. General Information A. Does this action apply to me? Entities potentially affected directly by this action include sources in all industry categories. Entities potentially affected by this action also include state, local and tribal air pollution control agencies (air agencies) responsible for permitting sources pursuant to the NSR program. B. Where can I get a copy of this document and other related information? In addition to being available in the docket, an electronic copy of this Federal Register document will be posted at https://www.epa.gov/nsr. [[Page 57325]] C. How is this document organized? The information presented in this document is organized as follows: I. General Information A. Does this action apply to me? B. Where can I get a copy of this document and other related information? C. How is this document organized? II. Background A. What is New Source Review? B. What is project aggregation? C. Regulatory History III. This Action A. Overview B. Retaining the 2009 NSR Aggregation Action C. Completing the Reconsideration Proceeding D. Lifting the Administrative Stay; Announcement of Effective Date IV. Environmental Justice Considerations V. Executive Order 12866: Regulatory Planning and Review and Executive Order 13563: Improving Regulation and Regulatory Review VI. Judicial Review VII. Statutory Authority II. Background A. What is New Source Review? The NSR program is a preconstruction permitting program that requires certain stationary sources of air pollution to obtain permits prior to beginning construction. The NSR permitting program applies both to new construction and to modifications of existing sources, regardless of whether the source is in an area where the national ambient air quality standards (NAAQS) have been exceeded (nonattainment area) or if the source is in an area where the NAAQS have not been exceeded (attainment or unclassifiable area). New construction and modifications that emit ``regulated NSR pollutants'' \1\ over certain thresholds are subject to major NSR requirements, while smaller emitting sources and modifications may be subject to minor NSR requirements or be excluded from NSR altogether. --------------------------------------------------------------------------- \1\ 40 CFR 51.165(a)(1)(xxxvii), 40 CFR 51.166(b)(49), 40 CFR 52.21(b)(50). --------------------------------------------------------------------------- Major NSR permits for sources that are located in attainment or unclassifiable areas are referred to as Prevention of Significant Deterioration (PSD) permits. These permits can also cover pollutants for which there are no NAAQS. Major NSR permits for sources located in nonattainment areas and that emit pollutants above the specified thresholds for which the area is in nonattainment are referred to as nonattainment NSR (NNSR) permits. The pollutant(s) at issue and the air quality designation of the area where the facility is located or proposed to be built determine the specific permitting requirements. The CAA requires sources subject to PSD to meet emission limits based on Best Available Control Technology (BACT) as specified by CAA section 165(a)(4), and sources subject to NNSR to meet Lowest Achievable Emissions Rate (LAER) pursuant to CAA section 173(a)(2). Other requirements to obtain a major NSR permit vary depending on whether it is a PSD or NNSR permit. A new stationary source is subject to major NSR requirements if its potential to emit (PTE) a regulated NSR pollutant exceeds statutory emission thresholds.\2\ If it exceeds the applicable threshold, the NSR regulations define it as a ``major stationary source.'' \3\ An existing major stationary source triggers major NSR permitting requirements when it undergoes a ``major modification,'' which occurs when a source undertakes a physical change or change in method of operation (i.e., a ``project'') that would result in (1) a significant emissions increase from the project, and (2) a significant net emissions increase from the source (i.e., a source-wide ``netting'' analysis that considers creditable emission increases and decreases occurring at the source as a result of other projects over a 5-year contemporaneous period). See, e.g., 40 CFR 52.21(b)(2)(i) and 40 CFR 52.21(b)(52). For this two-step process, the NSR regulations define what emissions rate constitutes ``significant'' for each NSR pollutant. See 40 CFR 51.165(a)(1)(x), 40 CFR 51.166(b)(23), and 40 CFR 52.21(b)(23). --------------------------------------------------------------------------- \2\ For PSD, the statute uses the term ``major emitting facility'' which is defined as a stationary source that emits, or has a PTE, at least 100 tons per year (TPY) if the source is in one of 28 listed source categories--or at least 250 TPY if the source is not--of ``any air pollutant.'' CAA 169(1). For NNSR, the emissions threshold for a major stationary source is 100 TPY, although lower thresholds may apply depending on the degree of the nonattainment problem and the pollutant. 40 CFR 51.165(a)(1)(iv)(A). \3\ 40 CFR 51.165(a)(1)(iv), 40 CFR 51.166(b)(1)(i), 40 CFR 52.21(b)(1)(i). --------------------------------------------------------------------------- In many cases, these requirements of the major NSR program (or equivalent requirements) are formally adopted by a state or local air agency, and the agency submits a revised state implementation plan (SIP) to the EPA for approval. The EPA's regulations provide for the minimum requirements of these programs. Upon EPA approving the SIP, the air agency becomes the ``permitting authority'' for major NSR permits for sources within its boundaries. When a state or local air agency is not the permitting authority, either the EPA issues the major NSR permits or a state or local air agency issues the major NSR permits on behalf of the EPA by way of a delegation agreement. For sources located in Indian country, the EPA is currently the only permitting authority for major NSR. Currently, state and local air agencies issue the vast majority of major NSR permits each year. New sources and modifications that do not require a major NSR permit may instead require a minor NSR permit prior to construction. Minor NSR permits are almost exclusively issued by state and local air agencies, although the EPA issues minor NSR permits in some areas of Indian country. Minor NSR requirements are approved into a SIP in order to achieve and maintain the NAAQS. See CAA section 110(a)(2)(C). The CAA and EPA's regulations are less prescriptive regarding minimum requirements for minor NSR, so air agencies generally have more flexibility in designing their minor NSR programs. B. What is project aggregation? As described in the preceding section, the EPA's implementing regulations for NSR establish a two-step process for determining major NSR applicability for projects at stationary sources. To be subject to major NSR requirements, the project must result in both (1) a significant emissions increase from the project (the determination of which is called ``Step 1'' of the NSR applicability analysis, or ``project emissions accounting''); and (2) a significant net emissions increase at the stationary source, taking account of emission increases and emission decreases attributable to other projects undertaken at the stationary source within a specific time frame (called ``Step 2'' of the NSR applicability analysis, or ``contemporaneous netting''). This approach to applicability makes it necessary to accurately define what constitutes the ``project'' under review to ensure that the proper emissions increase resulting from the project is used when comparing it with the applicable NSR significance threshold at Step 1 of the NSR applicability analysis.\4\ Otherwise, a source could [[Page 57326]] conceivably carve up a higher-emitting project into two or more lower- emitting ``projects'' and avoid triggering major NSR requirements.\5\ ``Project aggregation,'' therefore, ensures that nominally-separate projects occurring at a source are treated as a single project for NSR applicability purposes where it is unreasonable not to consider them a single project.\6\ --------------------------------------------------------------------------- \4\ In this notice, we use the terms ``project,'' ``changes,'' and ``activities'' interchangeably in referring to physical or operational changes that occur at a facility. In some cases, particularly in using the term ``activities,'' we are actually referring to ``sub-projects'' that are nominally separate in scope but are nevertheless related to other sub-projects such that they all are part of a larger single project when determining NSR applicability. It is important to note that our use of the term ``activities'' in this notice is not intended to imply that every ``activity'' at a plant is a physical or operational change. The EPA recognizes that there are numerous activities undertaken at a facility, of which only a subset will constitute ``changes'' under the NSR regulations. \5\ Emission changes from separate projects (not included under Step 1 as falling within the project under review) are considered at Step 2 if they are ``contemporaneous'' and ``otherwise creditable'' under the NSR regulations. See 40 CFR 52.21(b)(3). \6\ It is not permissible to seek to circumvent NSR by securing several minor NSR permits for individual projects with the effect of avoiding major NSR requirements for what is actually a single project. --------------------------------------------------------------------------- As with certain other aspects of the NSR program, determining what constitutes the ``project'' is a case-by-case decision that is both site-specific and fact-driven. There is no pre-determined list of activities that should be aggregated for a given industry or industries. It is, therefore, necessary to establish criteria for determining when nominally-separate activities are considered one project under NSR. The EPA has specifically sought to develop principles for aggregating changes such that a project is appropriately defined by the source, so that the emission increases attributable to the project are accurately quantified for purposes of analyzing NSR applicability. Over the years, the EPA articulated its policy on project aggregation through a series of statutory and regulatory interpretations contained in EPA letters and memoranda, the most commonly cited being a 1993 EPA memorandum regarding NSR applicability for activities that had occurred at a 3M facility in Minnesota.\7\ --------------------------------------------------------------------------- \7\ Memorandum from John B. Rasnic, Director, Stationary Source Compliance Division, OAQPS, to George T. Czerniak, Chief, Air Enforcement Branch, EPA Region 5, titled, ``Applicability of New Source Review Circumvention Guidance to 3M--Maplewood, Minnesota'' (June 17, 1993) (hereinafter ``3M Memorandum''). --------------------------------------------------------------------------- To date, the EPA's focus in formulating criteria for project aggregation has been to ensure that NSR is not circumvented through some artificial separation of activities at Step 1 of the NSR applicability analysis where it would be unreasonable for the source to consider them to be separate projects. However, in a March 13, 2018, memorandum \8\ on the topic of ``project emissions accounting,'' the EPA broached the question of whether it might also somehow be possible for a source to circumvent NSR through some wholly artificial grouping of activities to include decreases in emissions as part of Step 1 of the NSR applicability analysis--i.e., assessing whether a project by itself results in a significant emissions increase before reaching Step 2, where one then determines whether there will be a significant net emissions increase by taking into account all contemporaneous increases and decreases across the source. While we \9\ have been mindful of this question in deciding to employ the project aggregation criteria described in this action, we intend to address more fully this scenario in the context of a subsequent rulemaking action on the topic of project emissions accounting. --------------------------------------------------------------------------- \8\ Memorandum from E. Scott Pruitt, Administrator, to Regional Administrators, titled, ``Project Emissions Accounting Under the New Source Review Preconstruction Permitting Program'' (March 13, 2018) (hereinafter ``Project Emissions Accounting Memorandum''). \9\ In this preamble, the terms ``we'', ``our'' and ``us'' refer to the EPA. --------------------------------------------------------------------------- C. Regulatory History 1. The 2009 NSR Aggregation Action On January 15, 2009, the EPA published a final action--which we are calling the ``2009 NSR Aggregation Action''--that described the principles of project aggregation that we would apply when determining whether a source had unreasonably segregated a single project into multiple projects, thereby circumventing the NSR permitting requirements.\10\ We had initially proposed in 2006 to establish principles for project aggregation through an amendment to the NSR regulations.\11\ However, because of the difficulty of creating a bright line to determine when activities should be aggregated, we ultimately decided not to adopt the proposed changes to the regulations and elected instead to pursue a less prescriptive approach by describing, in the 2009 action, the EPA's interpretation of the existing regulations and a policy for applying that interpretation going forward. --------------------------------------------------------------------------- \10\ Prevention of Significant Deterioration (PSD) and Nonattainment New Source Review (NSR): Aggregation and Project Netting (74 FR 2376; January 15, 2009). \11\ Prevention of Significant Deterioration (PSD) and Nonattainment New Source Review (NSR): Debottlenecking, Aggregation, and Project Netting (71 FR 54235; September 14, 2006). --------------------------------------------------------------------------- The 2009 NSR Aggregation Action called for sources and reviewing authorities to aggregate emissions from nominally-separate activities when they are ``substantially related'' for the purpose of determining whether they are a single modification resulting in a significant emissions increase under NSR at Step 1.\12\ This ``substantially related'' criterion is based on an interpretation of the term ``project'' contained in the major NSR regulations.\13\ The action also included a statement that the EPA would, as a matter of policy, establish a rebuttable presumption that activities that occurred more than three years apart are not ``substantially related'' and therefore, generally, should not be aggregated for purposes of determining whether they are a single modification at Step 1. --------------------------------------------------------------------------- \12\ See 74 FR 2378 (``When there is no technical or economic relationship between activities or where the relationship is not substantial, their emissions need not be aggregated for NSR purposes.'' (emphasis added)). That is, mere relatedness is not sufficient to upend the source's definition of its project, but sources cannot circumvent NSR by artificially separating a series of emissions-increasing projects into separate projects that fall below the significance thresholds. \13\ See, e.g., 40 CFR 52.21(b)(52). --------------------------------------------------------------------------- The 2009 NSR Aggregation Action retained the existing rule text defining the term ``project''--i.e., ``a physical change in, or change in method of operation of, an existing major stationary source''--and interpreted this rule text to mean that sources and permitting authorities should combine emissions only when nominally-separate changes are ``substantially related.'' While acknowledging the case- specific nature of a project aggregation determination, the 2009 NSR Aggregation Action described the factors that should be considered when evaluating whether changes are substantially related, including technical or economic dependence. It also offered examples of what it means to be substantially related, and it referenced examples provided in EPA's 2006 proposed rule on project aggregation to further amplify EPA's meaning of the term. Thus, in many respects, the ``substantially related'' interpretation in the 2009 NSR Aggregation Action was intended to encompass principles for aggregating projects that were similar to those that the EPA had proposed in 2006, but ultimately concluded should not be prescriptively defined in a regulation because of the difficulty of developing a bright line for determining when activities should be aggregated. The 2009 NSR Aggregation Action specifically addressed the timing element of project aggregation decisions in multiple ways. It affirmed that timing alone should not be a basis for aggregating projects because the appropriate basis for aggregation is whether there is a substantial technical or economic relationship. It further explained that activities that occur simultaneously should not be presumed to be substantially related, although it is reasonable to presume that activities [[Page 57327]] closer in time are more likely to be substantially related than activities separated by larger time frames. Thus, it affirmed that the timing between activities remains important from a standpoint of framing the analysis of whether a substantial technical or economic relationship exists. The 2009 NSR Aggregation Action also expressed that the farther apart projects are timed, the less likely they are to be substantially related, since the activities would likely be part of distinct planning and capital-funding cycles. It stated ``the passage of time provides a fairly objective indicator of nonrelatedness between physical or operational changes. Specifically, the greater the time period between activities, the less likely that a deliberate decision was made by the source to split an otherwise `significant' activity into two or more smaller, non-major activities.'' 74 FR 2380. To this end, the 2009 NSR Aggregation Action affirmed that timing could be a basis to not aggregate separate projects, and it established a policy of applying a rebuttable presumption against aggregating projects that occur 3 or more years apart. The EPA justified its selection of 3 years as the presumptive timeframe in part by reasoning that it ``is long enough to ensure a reasonable likelihood that the presumption of independence will be valid, but is short enough to maintain a useful separation between relevant construction cycles, consistent with industry practice. For example, in the case of electric utilities, a commenter explained that companies plan and schedule major turbine outages every four to five years.'' Id. However, the EPA did note that this presumptive timeframe may be rebutted in certain circumstances. For instance, the 2009 NSR Aggregation Action noted that where there is ``evidence that a company intends to undertake a phased capital improvement project'' where the activities ``have a substantial economic relationship,'' this would likely overcome the presumption that those activities should not be aggregated. Id. With regard to implementing the 3-year presumption, the EPA stated ``the time period separating physical or operational changes should be calculated based on time of approval (i.e., minor NSR permit issuance). If a permit has not been, or will not be, issued for the physical or operational changes, the time period should be based on when construction commences on the changes.'' 74 FR 2381. The EPA also explained that a statement within the 3M Memorandum was potentially vulnerable to misapplication and did not properly reflect the ``substantially related'' criterion. The 3M Memorandum stated the following: Some minimum level of research activity and commensurate emissions, source-wide, perhaps could be expected from year to year, as would be expected to keep the 3M plant productive or operable. These emissions and thereby modifications cannot be presumed to be independent given the plant's overall basic purpose to support a variety of research and development activities. Therefore, even though each research project may have been individually conceived and separately funded, it is appropriate to look at the overall expected research activity in assessing NSR applicability and enforcement. 3M Memorandum at 5 (emphasis added). In the 2009 NSR Aggregation Action, the EPA expressed concern with this statement from the 3M Memorandum, saying ``it could be interpreted to imply that almost any activity is related to any other activity at that source simply because they are both capital investments and support the company's goal to make a profit.'' 74 FR 2376, 2379. The suggestion that all changes consistent with the ``overall basic purpose'' of the plant can and should be aggregated is inconsistent with the interpretation of ``project'' to include only those changes that have a substantial relationship. While the EPA did not, in the 2009 NSR Aggregation Action, find such a broad approach to project aggregation was often applied after the 3M determination, we nevertheless had concerns that it did not represent an appropriate criterion for aggregating projects for NSR purposes and could be misapplied. Thus, in the 2009 NSR Aggregation Action, we maintained that two nominally separate projects are not substantially related if they are only related to the extent that they both support the source's ``overall basic purpose.'' In summarizing what it means for projects to be substantially related, the 2009 NSR Aggregation Action provided that ``in most cases, activities occurring in unrelated portions of a major stationary source (e.g., a plant that makes two separate products and has no equipment shared among the two processing lines) will not be substantially related. The test of a substantial relationship centers around the interrelationship and interdependence of the activities, such that substantially related activities are likely to be jointly planned (i.e., part of the same capital improvement project or engineering study), and occur close in time and at components that are functionally interconnected.'' 74 FR 2378. The 2009 NSR Aggregation Action added, ``[t]o be `substantially related,' there should be an apparent interconnection--either technically or economically--between the physical and/or operational changes, or a complementary relationship whereby a change at a plant may exist and operate independently, however its benefit is significantly reduced without the other activity. We note that these factors are not necessarily determinative of a substantial relationship, but are merely indicators that may suggest that two or more activities are likely to be substantially related and, therefore, candidates for aggregation.'' Id. 2. Reconsideration and Administrative Stay On January 30, 2009, the Natural Resources Defense Council (NRDC) submitted a petition for reconsideration of the 2009 NSR Aggregation Action (the ``NRDC Petition''). In response to the NRDC Petition, on February 13, 2009, the EPA convened a proceeding for reconsideration as provided for under the CAA section 307(d)(7)(B), finding that the petitioner had raised objections to the action that arose after the comment period and that were of central relevance to the action. To allow time to complete the reconsideration prior to the 2009 NSR Aggregation Action becoming effective, the EPA announced a 90-day administrative stay of the action. See 74 FR 7284 (February 13, 2009). The EPA subsequently completed an action to further delay the effective date until May 18, 2010. See 74 FR 22693 (May 14, 2009). On May 18, 2010, the EPA invoked APA section 705 to stay the action indefinitely pending the proceedings for judicial review or the completion of reconsideration. These stays were intended to allow the EPA the time to take comment on issues that were in question and complete any revisions of the action that became necessary as a result of the reconsideration process. As part of the reconsideration proceeding, on April 15, 2010, the EPA published a proposed reconsideration of the 2009 NSR Aggregation Action (the ``2010 Reconsideration Proposal'').\14\ 75 FR 19567. At the time, the EPA considered whether some of the points [[Page 57328]] raised by the NRDC petition might demonstrate potential flaws in the process and with fundamental aspects of the 2009 NSR Aggregation Action, including the legal basis, state adoption and implementation, and the clarity of the ``substantially related'' criterion. In the 2010 Reconsideration Proposal, we expressed agreement with the petitioner on a number of fronts, invited comment on all issues raised in the NRDC petition, and proposed a preferred option to revoke the 2009 NSR Aggregation Action. The 2010 Reconsideration Proposal also referenced a number of the past determinations on project aggregation. See 75 FR 19570-1. --------------------------------------------------------------------------- \14\ In the 2010 Reconsideration Proposal, the EPA described the 2009 action as the ``NSR Aggregation Amendments.'' However, since this action did not ``amend'' the NSR regulations, but rather laid out an interpretation of our current regulations and described a policy on timing for aggregation, the 2009 action is more appropriately described, as it is described herein, as the 2009 NSR Aggregation Action. --------------------------------------------------------------------------- The EPA received a total of 27 comments on our 2010 Reconsideration Proposal. Of those commenters, 20 represented industry parties, three represented state and local air agencies, one represented a tribal government agency, one represented a federal agency, one represented an environmental advocacy group, and one was a private citizen. 3. Characterizing the 2009 NSR Aggregation Action In the history of actions that the EPA has taken regarding its project aggregation policy since 2006, the EPA has variously described the 2009 NSR Aggregation Action as a ``rule,'' ``interpretation,'' and ``policy.'' However, we are now mindful that these terms may be used to refer to three distinct types of agency action that have varying degrees of legal effect and can be changed through different types of procedures. National Mining Association v. McCarthy, 758 F.3d 243, 251- 52 (D.C. Cir. 2014). As is explained below, the distinction between the proper procedures for changing rules, interpretations, and policies were not as clear to the agency in 2009 and 2010 as they are today. Recent court decisions have provided more clarity regarding the distinction between these types of actions and the means through which an agency can change them. In order to clarify how state and local permitting authorities may apply the principles for project aggregation that the EPA articulated in 2009, in this final action we seek to address any confusion regarding the nature of that 2009 action. We begin by defining what we understand each of these terms to mean when they are used in the discussion that follows. We use the term ``rule'' to describe a ``legislative rule,'' which is ``[a]n agency action that purports to impose legally binding obligations or prohibitions on regulated parties--and that would be the basis for an enforcement action for violations of those obligations or requirements.'' National Mining, 758 F.3d at 251-52. We use the term ``interpretation'' to describe ``an agency action that merely interprets a prior statute or regulation, and does not itself purport to impose new obligations or prohibitions or requirements on regulated parties.'' Id. Following the language in the APA, courts have used the term ``interpretive rule'' to describe this type of action. Id. Here, however, we use the term ``interpretation'' to more clearly distinguish such an action from a legislative rule. Finally, a ``policy'' or ``statement of policy'' is ``an agency action that merely explains how the agency will enforce a statute or regulation--in other words, how it will exercise its broad enforcement discretion or permitting discretion under some extant statute or rule.'' Id. In 2006, we proposed a rule (meaning a legislative rule) that would have changed the text in the Code of Federal Regulations. We included in the preamble an explanation of what we intended that proposed regulatory text to mean. 71 FR 54235 (September 14, 2006). In that Federal Register document, we referred to the action as a ``proposed rule.'' Id.; see also 71 FR at 54245 (``We are proposing to add our aggregation policy to our NSR regulations . . .''). In 2009, we took ``final action'' in the matter. That is, we completed the action begun in 2006, while not changing the regulatory text itself. 74 FR 2376. In retaining the existing regulatory text defining the term ``project,'' we said that the action we were taking ``interprets that rule text.'' Id. The interpretation offered in the 2009 NSR Aggregation Action was that a ``project,'' which the regulatory text defines to mean ``a physical change in, or change in the method of operation of, an existing major stationary source,'' 40 CFR 52.21(b)(53) (emphasis added), includes those activities that are ``substantially related.'' 74 FR 2377. This portion of the 2009 NSR Aggregation Action was an interpretation.\15\ Although we had proposed to adopt a legislative rule in 2006 and to reflect that in amended regulatory text, we made a final decision in 2009 not to adopt any legislative rule or to amend the text of the NSR regulations. Instead, we chose to announce an interpretation of the existing regulations that drew from EPA's prior experience on the topic of project aggregation, but which to some degree altered the aggregation policy that the EPA had previously articulated in past guidance memoranda and letters. --------------------------------------------------------------------------- \15\ As explained above, courts follow the APA in referring to this type of action as an ``interpretive rule,'' but we refer to it herein simply as an ``interpretation'' to more clearly distinguish such an action from a legislative rule. --------------------------------------------------------------------------- In 2009, we also discussed our intention to apply a rebuttable presumption that activities separated by more than 3 years would not be considered substantially related. This section of the action is best understood as a statement of policy, as we were describing how we intended to exercise our discretion under the NSR regulations, as we interpreted them. We justified the 3-year presumption as a commonsense approach, in that we believed that in practice once 3 years had passed, ``it is difficult to argue that th[e activities] are substantially related and constitute a single project.'' 74 FR 2380. But recognizing that there may be situations that would warrant an exception to this approach, we indicated that the 3-year presumption would be rebuttable. We indicated our view that it would be allowable and appropriate for other permitting authorities to ``also adopt this presumptive timeframe as guidance for their sources.'' 74 FR 2381. The 2009 action, thus, contained both an interpretation of the existing regulations and a statement of policy on how we intended to implement that interpretation. It is for this reason that we refer to it as the 2009 NSR Aggregation Action. However, when reconsidering that 2009 action, we were not sufficiently clear in the 2010 Reconsideration Proposal regarding the nature of the action we were reconsidering. At times, we described the 2009 action as a ``final rule,'' and called it the ``NSR Aggregation Amendments,'' which could be read to suggest that we considered the 2009 NSR Aggregation Action, despite the lack of regulatory text changes, to somehow be a legislative rule, or something that ``amended'' the existing regulations. Much of the confusion stemmed from the fact that at the time we took these actions, judicial precedent in the United States Court of Appeals for District of Columbia Circuit (D.C. Circuit) provided that, where an agency had given a definitive interpretation to one of its own legislative rules, the agency could not thereafter change that interpretation without providing notice and an opportunity to comment. Paralyzed Veterans of America v. D.C. Arena L.P., 117 F.3d 579 (D.C. Cir. 1997). In part because of this precedent, we were persuaded in 2010 that we should provide an opportunity for the public to comment on the 2009 interpretation, which could have been viewed as a [[Page 57329]] change from the interpretation that the EPA had articulated in 2006 and earlier. In addition, since we understood the Paralyzed Veterans opinion to require a notice-and-comment rulemaking process when an agency wished to change a regulatory interpretation (which, under the APA, would constitute the issuance of an ``interpretive rule,'' or, as we refer to it herein, an ``interpretation''), and because the 2009 NSR Aggregation Action had completed a notice-and-comment rulemaking process that had originally proposed to amend rule text, we chose in the 2010 Reconsideration Proposal to apply the procedures for reconsidering a ``legislative rule.'' The United States Supreme Court has since abrogated the Paralyzed Veterans doctrine, ruling that it was inconsistent with the APA, which by its plain terms does not require agencies to go through a notice- and-comment process in issuing an interpretive rule. Perez v. Mortgage Bankers Association, 135 S. Ct. 1199 (2015). Because the 2009 NSR Aggregation Action did not impose legally binding obligations or prohibitions on regulated entities or state permitting authorities, it was not a legislative rule. Since the 2009 NSR Aggregation Action was a combination of interpretation and policy statement, it could have been issued by the EPA without following notice-and-comment rulemaking procedures. 5 U.S.C. 553(b); 42 U.S.C. 7607(d)(1). Further, to the extent the interpretation reflected therein is a change from a prior interpretation, after the Supreme Court decision in Mortgage Bankers, it is now clear that an agency may also change such an interpretation of its regulations without the need to publish notice in the Federal Register and solicit public comment. However, because the EPA has been using notice-and-comment rulemaking procedures up to this point, the EPA believes it is prudent, but not required, in order to retain the interpretation of the NSR regulations with regard to project aggregation that we published in 2009, that we publish this document in the Federal Register. This procedure also allows us to complete the reconsideration proceeding and lift the indefinite administrative stay of the 2009 NSR Aggregation Action. We also believe that it is prudent to respond to those comments we received during the reconsideration process. III. This Action A. Overview In this action, we are taking final action on reconsideration of the issues for which we asked for comment in the 2010 Reconsideration Proposal. The proposal invited comment on all issues alleged in the petition for reconsideration, including the following: Lack of adequate opportunity for notice and comment on the final action; legal inconsistency with a prior court decision; lack of demonstrated need for a policy change; and lack of clarity over state plan adoption of the action. This action addresses all of the petitioner's issues. Moreover, to the extent that commenters lacked an adequate notice-and-comment opportunity in the development of the 2009 NSR Aggregation Action, the reconsideration process has addressed this deficiency by inviting comment in 2010 on the issues raised by the petitioner. This action (1) takes final action on the 2010 Reconsideration Proposal and retains the 2009 NSR Aggregation Action without adopting any changes to the rule text or the interpretation and statement of policy contained therein; (2) completes the CAA section 307 reconsideration proceeding on the 2009 NSR Aggregation Action to address any potential notice-and-comment deficiency; and (3) lifts the APA section 705 stay of the 2009 NSR Aggregation Action. The conclusions reached and expressed in this final action are based on careful review of the public comments on the 2010 Reconsideration Proposal.\16\ --------------------------------------------------------------------------- \16\ In the docket for this action, we are making available a document, ``Response to Public Comments for Prevention of Significant Deterioration (PSD) and Nonattainment New Source Review (NSR): Aggregation; Reconsideration'', in which the EPA responds to the public comments received on the 2010 Reconsideration Proposal. --------------------------------------------------------------------------- This final decision on reconsideration of the 2009 NSR Aggregation Action does not finalize the 2010 Reconsideration Proposal's preferred option to revoke the 2009 NSR Aggregation Action's interpretation and policy. Upon reviewing public comments, after further deliberation, and taking account of the Administration's priorities and policy goals, the EPA has concluded that the interpretation and policy in the 2009 NSR Aggregation Action should be retained.\17\ We believe the 2009 NSR Aggregation Action articulates a reasonable standard for aggregating related projects and is consistent with the CAA and our regulations. --------------------------------------------------------------------------- \17\ See Presidential Memorandum on Streamlining Permitting and Reducing Regulatory burdens for Domestic Manufacturing (82 FR 8667; January 24, 2017); Executive Order 13777 on Enforcing the Regulatory Reform Agenda (82 FR 12285, March 1, 2017). --------------------------------------------------------------------------- With regard to the petitioner's concern about how the 2009 NSR Aggregation Action applies to EPA-approved permitting programs, we affirm our decision in 2009 not to revise the current rule text, and instead to conclude that the terms ``project'' and ``a physical change in, or change in method of operation of'' in the existing NSR regulations can be reasonably interpreted as already incorporating the ``substantially related'' test set forth in the 2009 preamble. Because the 2009 NSR Aggregation Action did not amend the rule text, state and local air agencies with approved state implementation plans (SIPs) are not required to amend those plans to adopt this interpretation that projects should be aggregated when ``substantially related.'' If state and local agencies want to adopt this interpretation, we believe that in most cases this interpretation can be applied without formal adoption into their rules. We encourage state and local air agencies to follow this interpretation to ensure greater national consistency in making NSR applicability determinations, though state and local air agencies with approved SIPs can continue to apply their own interpretation of the scope of a ``project.'' Consistent with comments received on the EPA's 2006 proposed rule, commenters on the 2010 Reconsideration Proposal raised concerns with the clarity of our prior policy on project aggregation, which was developed over time through a number of post hoc site-specific applicability determinations. We anticipate the 2009 NSR Aggregation Action will reduce any confusion over our past policy and provide sources and regulators with increased clarity when determining whether projects should be aggregated for NSR purposes. The EPA believes the principles outlined in the 2009 NSR Aggregation Action will not only help to achieve greater national consistency in project aggregation determinations but will also streamline NSR permitting by reducing the time needed to assess whether nominally-separate physical and operational changes should be aggregated for NSR applicability purposes. As this action officially completes our reconsideration proceeding, we are also lifting the APA section 705 stay and announcing the effective date of the 2009 NSR Aggregation. [[Page 57330]] B. Retaining the 2009 NSR Aggregation Action 1. An Interpretation Is Needed As explained earlier in this document, the EPA's past position on project aggregation--prior to the 2009 NSR Aggregation Action--was not established through a rule or through a single, comprehensive policy statement. Rather, the policy had been articulated by the EPA through a number of site-specific determinations, many of which were issued after the activities subject to the determination had already occurred. Navigating this collection of EPA statements, capturing their salient points, and determining whether and how to apply their rationale to new determinations with different fact patterns was arguably a challenge for sources and permitting authorities over the years. Such an approach lacked clarity for sources and permitting authorities, making it sometimes difficult to understand the overall policy so they could effectively apply it prospectively. There is a substantive distinction between making case-by-case determinations after-the-fact and making case-by-case determinations prospectively--i.e., as part of a permitting applicability review--for NSR purposes. Many post hoc determinations are made with an eye to determining whether the requirements of NSR were circumvented, whereas prospective determinations are made with the purpose of giving sources an opportunity to evaluate modifications during the planning or preconstruction phase in order to determine whether a planned or proposed modification requires a PSD or NNSR permit, so as not to circumvent the NSR process. While the underlying criteria for assessing whether to group multiple activities as a single project should be the same regardless of whether the determination is prospective or post hoc, a post hoc determination is often very specific to the industry and the individual fact pattern under consideration, and therefore applying the determination's rationale prospectively, while potentially informative, could be misapplied to situations involving different industries or having different fact patterns. The 2009 NSR Aggregation Action also recognized the limitations of having a policy that is based on the specific fact patterns of past determinations: ``the decision to aggregate or disaggregate activities is highly case-dependent, such that letters and memoranda that opine on whether to aggregate a particular set of activities at one facility are not necessarily transferable to a decision to aggregate a similar set of activities but with a slightly different set of circumstances at a different plant.'' 74 FR 2377. Previous agency statements can be taken out of context or misunderstood when reviewing projects having a different set of facts. For example, while the 3M Memorandum was considered by some as the EPA's guiding policy on project aggregation, parties could certainly misconstrue portions of that statement to suggest that all projects occurring within the same timeframe should be aggregated, or that all projects occurring at a facility should be aggregated as long as they contribute to the source's ``overall basic purpose.'' Such an approach--i.e., to aggregate projects simply because they may occur close in time or may support the same overall purpose of the facility-- fails to take proper account of the actual interrelationship of activities. Meanwhile, in other parts of the 3M Memorandum, the EPA's statements clearly indicate that, in order to justify aggregating activities for purposes of major NSR, the reasonable approach is to determine whether those activities are related in some meaningful way: e.g., ``[a]uthorities should scrutinize [permit] applications that relate to the same process or units . . .''; ``two or more related minor changes over a short time period should be studied for possible circumvention.'' 3M Memorandum at 3 (emphasis added). We consequently do not believe that a broader approach to aggregating activities--i.e., based on their contribution to a plant's overall purpose--is an accurate characterization of the EPA's view at the time of the 3M determination. Furthermore, we do not believe it reflects EPA's view in any other statement made by the agency over the years. We noted in the 2010 Reconsideration Proposal that ``in reviewing the record for the NSR Aggregation Amendments, we find that the only factual support for the contention that our historic approach caused confusion was anecdotal,'' and that the ``parties supporting a change in policy failed to provide us with any characterization of the overall level of uncertainty or other problems resulting from the existing policy on aggregation.'' 75 FR 19572. However, after further consideration, the EPA finds this to be an insufficient basis for changing or revoking the 2009 NSR Aggregation Action. So-called ``anecdotal'' evidence is nevertheless still evidence of which the agency can properly take account if, in its judgment, it finds it to be meaningful. Indeed, the criticism of relying on ``anecdotes'' suggests that examples of problems offered in public comments should be ignored. The EPA is required to take into account the comments submitted. Furthermore, merely because the overall level of uncertainty demonstrated by public comments cannot be characterized--a given entity would not necessarily know whether others were as uncertain as they were--does not serve to demonstrate that the 2009 NSR Aggregation Action was unwarranted. We believe that the evidence before the EPA in 2009 and the agency's own extensive permitting experience, coupled with statements from public commenters in this reconsideration proceeding, clearly indicates that the EPA's prior policy on project aggregation lacked clarity and promoted confusion. The 2009 NSR Aggregation Action provides a more concise formulation for how to interpret the scope of a project and provides clarity for permitting authorities, regulated entities, and the public. Finally, the 2010 Reconsideration Proposal states that ``[w]hile the [2009 NSR Aggregation Action] may, in some respects, appear clearer than our previous policy, we are not convinced that it achieved enough additional clarity to improve the process of making aggregation assessments by sources and reviewing authorities. . . .'' 75 FR 19573. After further consideration, we now believe that providing clarity in a single document is a better approach than continuing the previous policy that was based on a host of EPA letters and memoranda, which collectively provided less clarity. We recognize there will continue to be ``gray areas'' that sources and permitting authorities will ultimately have to work through in deciding whether or not to aggregate a set of changes at a facility. But this is attributable to the inherent nature of such decisions, not to some deficiency in the 2009 NSR Aggregation Action. That does not mean that the EPA should abandon the clarity it attempted to provide in that action. 2. ``Substantially Related'' Is an Appropriate Standard As noted above, the EPA continues to believe that there is a need for some criteria for determining when nominally-separate changes should be considered a single ``project'' for purposes of determining NSR applicability. It remains necessary to draw a line between those activities that are to be considered a single ``physical or operational change'' and those that are not. In this action, we are affirming that the 2009 NSR Aggregation Action's [[Page 57331]] ``substantially related'' test is an appropriate standard for project aggregation. As explained elsewhere in this document, the nature of the project aggregation determination is case-specific, which means it is inherently difficult to establish a bright line standard: Such a standard may be reasonable when conducting an evaluation of project scope in one situation, but could prove to be unreasonable or unworkable when applied in other situations. This case-by-case aspect necessitates that the EPA establish a reasonable general principle to apply, and we believe the ``substantially related'' criterion is an appropriate principle for concluding that claimed separate projects are a single project for NSR applicability purposes. We believe the substantially related criterion is sound from a policy and implementation perspective. The 2009 NSR Aggregation Action effectively addresses certain past EPA statements in relation to implementing the ``substantially related'' test for future project aggregation determinations. The 2009 NSR Aggregation Action outlined the role of timing--specifically, that timing alone is not determinative of whether activities are substantially related and that, as a policy matter, activities separated in time by three or more years may be presumed to be not substantially related. The 2009 NSR Aggregation Action also rejected the use of an ``overall basic purpose'' criterion for aggregating physical or operational changes, since it could have been read to constitute an open-ended standard, resulting in the unreasonable or improper aggregation of unrelated activities. Importantly, we do not believe the 2009 NSR Aggregation Action reflects a major shift in policy from EPA's prior policy on project aggregation. To the contrary, we believe that in many ways the 2009 NSR Aggregation Action clarifies and supplements previous statements of policy. For example, in the case of timing, the 3M Memorandum suggested that when minor NSR permit applications occur ``over a short time period (e.g., 1 year or 18 months), the modifications may require major new source review.'' 3M Memorandum at 4 (emphasis added). Thus, the 3M Memorandum never said timing was the sole criterion or otherwise conclusive. Rather, timing was a reason to look more closely at the relevant activities' ``intrinsic relationship with each other (physical proximity, stages of production process, etc.) and their impact on economic viability of the plant (scheduling down time in light of production targets, economies of scale, etc.).'' Id. Similarly, the 2009 NSR Aggregation Action said that ``whether a physical or operational change is dependent on another for its viability is still a relevant factor in assessing whether the changes should be aggregated,'' and ``substantially related activities are likely to be jointly planned (i.e., part of the same capital improvement project or engineering study), and occur close in time and at components that are functionally interconnected.'' 74 FR 2378. In addition, the ``substantially related'' criterion is not materially different from the factors the agency has considered in previous project aggregation decisions. Over time, the EPA has used various terms and phrases--e.g., ``intrinsic relationship'' as was used in the 3M Memorandum--to describe the basis for why multiple nominally- separate changes at a source should be treated as a single project for NSR applicability purposes. The term ``substantially related'' is, therefore, little more than a functional synonym for other terms that the EPA has historically used to characterize its project aggregation policy. While sources and permitting authorities making project aggregation determinations may continue to use the EPA's previous terms, and may rely on other terms or phrases going forward, we believe that the terminology used should ultimately express a standard for determining whether the activities are or are not substantially related. Thus, we believe ``substantially related'' works effectively as an umbrella term to include these previous descriptors for analyzing the relationship between projects that warrant aggregation. Finally, the matter of defining the scope of a project was raised, in a different context, in the Project Emissions Accounting Memorandum issued on March 13, 2018. There, we observed that, as general matter, the source itself is responsible for defining the scope of its own project, subject to the limitation that the source cannot seek to circumvent NSR by characterizing the proposed project in a way that would separate a single project into multiple projects. We further pointed out that, ``[s]ubject to the equivalent understanding that it might be possible [for a source] to circumvent NSR through some wholly artificial grouping of activities, the EPA does not interpret its NSR regulations as directing the agency to preclude a source from reasonably defining its proposed project broadly, to reflect multiple activities.'' \18\ --------------------------------------------------------------------------- \18\ Project Emissions Accounting Memorandum at 9 (emphasis added). --------------------------------------------------------------------------- In the Project Emissions Accounting Memorandum, we noted that EPA was then evaluating whether to undertake a future notice-and-comment rulemaking to implement, through changes to the regulatory text itself, the interpretation of the NSR applicability provisions set forth in the memorandum. At such time as we proceed with that rulemaking, we will look to provide further guidance with respect to properly accounting for the scope of a project in which a source is seeking to take account of emission decreases at Step 1 of the NSR applicability analysis. Meanwhile, in advance of that rulemaking, we take the opportunity here to clarify that, as a general matter, it is neither necessary nor appropriate to take into consideration such matters as whether emission decreases attributable to a particular activity are ``integral'' to the overall project, as had once been proposed by a petroleum refinery to the EPA.\19\ Our current view is that the concerns regarding the real possibility that NSR might be circumvented through some artificial separation of activities where it would be unreasonable to consider them separate projects--i.e., the concerns which the 2009 NSR Aggregation Action is intended to address--are not so obviously presented by the situation where a source itself is choosing to group together, as a single project, activities to which a projected emissions decrease is attributable.\20\ In a future rulemaking to clarify, through regulatory text changes, the interpretation set forth in the Project Emissions Accounting Memorandum, the EPA will be taking comment on whether our current view of this issue is reasonable, whether the ``substantially related'' criterion described here may speak to this issue, and other related matters. --------------------------------------------------------------------------- \19\ Letter from Steven C. Riva, U.S. EPA Region 2, to Kathleen Antoine, HOVENSA, LLC, ``Re: Emission Decreases Integral to Projects'' (June 7, 2010) (``EPA, by this letter, is not opining on the merits of HOVENSA's analysis regarding the underlying basis for `integral to the project' approach.''). \20\ Indeed, the EPA views this latter situation as one where sources could potentially be incentivized to seek out emission reductions that might otherwise be foregone entirely--e.g., because of perceived complexity with contemporaneous netting under Step 2 of the NSR applicability analysis. --------------------------------------------------------------------------- 3. Legal Basis Is Sound We believe the 2009 NSR Aggregation Action is legally supportable and makes sense for sometimes difficult case-by- [[Page 57332]] case determinations required for assessing whether to aggregate nominally-separate projects. Contrary to the petitioner's argument, the use of the term ``substantially related'' would not create a carve-out from the scope of the statutory definition of ``modification.'' Drawing on arguments made by NRDC in its petition, in 2010 we had postulated, while ``[m]uch of the emphasis'' of New York v. EPA, 443 F.3d 880 (D.C. Cir. 2006) (New York II) and other cases had been on whether the EPA ``could exclude small changes from being considered potential modifications as defined in the Act,'' the court's reasoning in New York II also applies to a rule that would split apart one change into separate changes in order to limit the applicability of NSR.'' 75 FR 19571. The D.C. Circuit's New York II decision had focused on whether the EPA's amendment to the ``routine maintenance, repair and replacement'' provision of the NSR regulations which provided that a specifically defined category of ``equipment replacement'' projects did not constitute a ``physical change or change in the method of operation,'' was lawful. The court in New York II held that it was not lawful, opining that the EPA ``must apply NSR whenever a source conducts an emissions-increasing activity that fits within one of the ordinary meanings of physical change.'' 443 F.3d at 885. In the 2010 Reconsideration Proposal, we said we then read the D.C. Circuit's opinion as ``requir[ing] EPA to aggregate any group of small changes'' that were ``sufficiently related to `fit[] within one of the ordinary meanings of `physical change.' '' 75 FR 19571. In this regard, we said that we ``agree[d] with [NRDC's] contention that, to the extent that our `substantially related' interpretation,'' as set forth in the 2009 NSR Aggregation Action, would ``exclude meanings that fit within a reasonable understanding of the ordinary meaning of `any physical change,' '' that interpretation would ``impermissibly narrow the scope of CAA section 111(a)(4).'' Id. We sought comment on this analysis of the statute and New York II. Upon further consideration and after reviewing the public comments on this reconsideration proposal, the agency does not read New York II as supportive of the notion that the ``substantially related'' interpretation set forth in the 2009 NSR Aggregation Action is somehow contrary to the language of CAA section 111(a)(4). While we had previously suggested that there might be some weight to NRDC's argument that the `` `aggregation of nominally separate changes that are not substantially related' also may be within an ordinary meaning of physical change,'' 75 FR 19571, citing NRDC Petition at 5-6 (emphasis in original), we do not now perceive any merit in NRDC's assertion. With NRDC's arguments in mind, the agency at one point read New York II as suggesting that the CAA ``prohibits EPA from picking and choosing among meanings of the phrase `any physical change . . . or change in the method of operation' if it would result in omitting a common meaning that would subject an emission increase to review.'' 75 FR 19571. Based on this, we were concerned that, ``[i]f `substantially related' would omit an ordinary, common meaning of physical change that would bring an emissions-increasing project under review, then the definition would eliminate a type of physical change that Congress intended to cover (i.e., the change that consists of the group of nominally-separate changes that comprise a project but do not qualify as `substantially related').'' Id. Thus, we reasoned at the time ``that, to the extent that [the] `substantially related' interpretation would exclude meanings that fit within a reasonable understanding of the ordinary meaning of `any physical change,' '' then the 2009 NSR Aggregation Action ``would impermissibly narrow the scope of CAA Sec. 111(a)(4).'' Id. We now believe that such concerns were unwarranted. Upon further consideration, we do not view New York II, properly understood, as providing support for the proposition that a ``common meaning'' of a single ``change'' would include multiple changes, much less multiple, separate changes that are not substantially related, such as changes which are undertaken at a source at different times, or undertaken for different purposes, or which are otherwise unrelated to each other. That is, the EPA's current view is that nothing in New York II supports, much less compels, a reading of the CAA under which all ``nominally-separate changes'' are deemed to ``comprise'' a single ``project,'' where those changes are not substantially related. Nevertheless, under the interpretation reflected in the 2009 NSR Aggregation Action, multiple changes that are ``substantially related'' are to be considered to be one project for purposes of determining NSR applicability. Finally, to the extent that NRDC argues that the aggregation of activities that are not substantially related into one activity that fits within the ordinary meaning of a physical change--and not aggregating those changes to compare to the significance level would violate New York II--it has provided no examples where that may be the case and have not followed the reasoning of their argument to its logical conclusion. This argument would require the EPA to prove a negative: That whatever interpretation or policy on aggregation we adopted would not exclude any level of aggregated activities that fit within the ordinary meaning of a physical change. This impossible task would mean that even the EPA aggregation policy prior to the 2009 NSR Aggregation Action was in violation of New York II because it allowed a facility to sometimes disaggregate activities when, if aggregated, they would fall within the ordinary meaning of physical change. A better approach to defining the scope of the ordinary meaning of physical change is to provide, as we did in the 2009 NSR Aggregation Action, a principle for source owners or operators to follow, here the ``substantially related'' principle, when defining the scope of ``a physical change in, or change in method of operation of,'' pursuant to 40 CFR 52.21(b)(52), in a particular case. 4. Adoption Is Not Mandatory We acknowledge that, by not making any changes to the regulatory text, as had been proposed, it may have been somewhat unclear to some whether state and local air agencies have to adopt or implement the elements of the 2009 NSR Aggregation Action, and, if so, how they should do so. In the 2010 Reconsideration Proposal, we expressed our agreement with ``NRDC's assertion that the state and local implementation requirements of the NSR Aggregation Amendments are unclear,'' and that the ``question of whether a SIP amendment is required when the CFR remains unchanged is likely to cause confusion for reviewing authorities and other stakeholders.'' 75 FR 19572. Taking account of this confusion, the agency considered that it ``added support for our preferred position in this notice, which is to revoke'' the 2009 NSR Aggregation Action. Id. We now find such concerns over potential ``confusion'' to have been overstated. In the Response to Comments document for the 2009 NSR Aggregation Action (2009 RTC), the agency had specifically noted that ``[s]ince we are not promulgating the proposed rule regulatory changes, we are not adding NSR minimum program elements that would require states to modify their SIP.'' 2009 RTC at 56. The agency continued that it would ``begin applying the interpretations laid out in the final action to activities that postdate actions after the effective date of the final rulemaking notice.'' Id. ``At [[Page 57333]] that time,'' the EPA explained, states ``may also begin applying EPA's interpretations to the extent they do not conflict with their approved SIPs.'' Id. We now believe it is likely that state and local permitting authorities would have understood this straightforward explanation. Further, as previously discussed, determining whether a source has sought to circumvent NSR by failing to treat nominally-separate activities as a single project is inherently case-specific and fact- dependent. Given this, it is not reasonable to imagine that perfect clarity could ever be achieved. To the extent, however, that the 2009 NSR Aggregation Action, in setting forth both the ``substantially related'' interpretation and the EPA's policy for applying that interpretation, provides some meaningful guidance to sources and to state and local permitting authorities, we fail to understand how revoking the 2009 NSR Aggregation Action would serve to promote clarity. Indeed, in this regard, we believe in most cases that sources and state and local air agencies already implement a standard that is similar to the substantially related standard. To the extent that a state or local air agency desires to formally adopt the 2009 NSR Aggregation Action, the EPA will provide support to those agencies to process SIP submittals and issue approvals, as warranted. In most cases, however, we do not think changes in state plans would be needed to implement this interpretation. C. Completing the Reconsideration Proceeding We believe that this final action addresses the concerns raised by the petitioner with respect to the 2009 NSR Aggregation Action--e.g., adequate notice and logical outgrowth, the legal underpinnings of the action, state adoption, and our need to change or clarify our aggregation policy. Accordingly, this action concludes the reconsideration proceeding of the 2009 NSR Aggregation Action. D. Lifting the Administrative Stay; Announcement of Effective Date On May 18, 2010, after a series of temporary administrative stays of the 2009 NSR Aggregation Action, the EPA exercised the provisions of the APA section 705 to postpone the effectiveness of the action ``until judicial review is no longer pending or the EPA completes the reconsideration process.'' 75 FR 27644. Since this action concludes the reconsideration proceeding, and we have affirmed the legal consistency and policy appropriateness of the 2009 NSR Aggregation Action, we are hereby lifting the indefinite administrative stay and announcing the effective date of the action. The effective date of the 2009 NSR Aggregation Action, published in the Federal Register on January 15, 2009 (74 FR 2376), and delayed on February 13, 2009 (74 FR 7284), May 14, 2009 (74 FR 22693), and May 18, 2010 (75 FR 27643), begins again on November 15, 2018. IV. Environmental Justice Considerations We believe that this action does not have any effect on environmental justice communities. Through this action, the EPA is affirming its interpretation that its current NSR regulations allow for the 2009 NSR Aggregation Action and, as such, no increased burden is expected for source owners, permitting authorities, or environmental justice communities. V. Executive Order 12866: Regulatory Planning and Review and Executive Order 13563: Improving Regulation and Regulatory Review This action is a significant action that was submitted to the Office of Management and Budget (OMB) for review. Any changes made in response to OMB recommendations have been documented in the docket. VI. Judicial Review Section 307(b)(1) of the CAA indicates which Federal Courts of Appeal have venue for petitions of review of final agency actions by the EPA under the CAA. This section provides, in part, that petitions for review must be filed in the U.S. Court of Appeals for the District of Columbia Circuit (i) when the agency action consists of ``nationally applicable regulations promulgated, or final actions taken, by the Administrator'' or (ii) when such action is locally or regionally applicable, if ``such action is based on a determination of nationwide scope or effect and if in taking such action the Administrator finds and publishes that such action is based on such a determination.'' This action completes the reconsideration proceeding and makes effective the 2009 NSR Aggregation Action. The 2009 NSR Aggregation Action is an interpretation of NSR rule language that applies in every state and territory in the United States where EPA is the permitting authority. Therefore, to the extent that this action is a ``final action,'' it is ``nationally applicable'' within the meaning of CAA section 307(b)(1). Under section 307(b)(1) of the Act, to the extent that this action is judicially reviewable, petitions for judicial review of this action must be filed in the United States Court of Appeals for the District of Columbia Circuit by January 14, 2019. VII. Statutory Authority The statutory authority for this action is provided by section 301(a) of the CAA as amended (42 U.S.C. 7601(a)). This document is also subject to section 307(d) of the CAA (42 U.S.C. 7407(d)). Dated: November 7, 2018. Andrew R. Wheeler, Acting Administrator. [FR Doc. 2018-24820 Filed 11-14-18; 8:45 am] BILLING CODE 6560-50-P
![57324 Federal Register / Vol. 83, No. 221 / Thursday, November 15, 2018 / Rules and Regulations
PART 165—REGULATED NAVIGATION representative via Channel 16 (VHF– April 15, 2010, the EPA proposed to
AREAS AND LIMITED ACCESS AREAS FM) or (207) 767–0303 (Sector Northern revoke the 2009 NSR Aggregation
New England Command Center). Action. After a review of the public
■ 1. The authority citation for part 165 (3) During periods of enforcement, comments received on that proposal, the
continues to read as follows: any person or vessel permitted to enter EPA has now decided to not revoke the
Authority: 33 U.S.C. 1231; 50 U.S.C. 191; the safety zone must comply with all 2009 NSR Aggregation Action. The EPA
33 CFR 1.05–1, 6.04–1, 6.04–6, and 160.5; lawful orders or directions given to is, therefore, retaining the interpretation
Department of Homeland Security Delegation them by the COTP or the COTP’s set forth in the 2009 NSR Aggregation
No. 0170.1. designated representative. Action, while not adopting any changes
■ 2. Add § 165.T01–0849 to read as (e) Penalties. Those who violate this to the relevant rule text. At the same
follows: section are subject to the penalties set time, the EPA is using this present
forth in 33 U.S.C. 1232. action to clarify the implications of the
§ 165.T01–0849 Safety Zone; The Gut, (f) Notification. Coast Guard Sector 2009 NSR Aggregation Action for EPA-
South Bristol, ME. Northern New England will give notice approved permitting programs. This
(a) Location. The following area is a through the Local Notice to Mariners action also lifts the administrative stay
safety zone: All waters of The Gut, a and Broadcast Notice to Mariners for the and announces the effective date of the
waterway between Rutherford Island purpose of enforcement of temporary 2009 NSR Aggregation Action.
and Bristol Neck in South Bristol, ME, safety zone. Coast Guard Sector
from surface to bottom, encompassed by Northern New England will also notify This action is effective on
DATES:
a 50-yard radius from the center point the public to the greatest extent possible November 15, 2018.
of The Gut Bridge at position 43°51.720′ of any period in which the Coast Guard ADDRESSES: The EPA has established a
N, 069°33.480′ W (NAD 83). will suspend enforcement of this safety docket for this action, identified by
(b) Definitions. As used in this zone. Docket ID No. EPA–HQ–OAR–2003–
section: 0064. All documents in the docket are
Dated: November 8, 2018.
Designated representative means any listed in the http://www.regulations.gov
Coast Guard commissioned, warrant, B.J. LeFebvre,
website. Although listed in the index,
petty officer, or designated Patrol Captain, U.S. Coast Guard, Captain of the
some information may not be publicly
Commander of the U.S. Coast Guard Port, Sector Northern New England.
available, e.g., Confidential Business
who has been designated by the Captain [FR Doc. 2018–24899 Filed 11–14–18; 8:45 am]
Information or other information whose
of the Port, Sector Northern New BILLING CODE 9110–04–P
disclosure is restricted by statute.
England (COTP), to act on his or her Certain other material, such as
behalf. The designated representative copyrighted material, is not placed on
may be on an official patrol vessel or ENVIRONMENTAL PROTECTION the internet and will be publicly
may be on shore and will communicate AGENCY available only in hard copy. Publicly
with vessels via VHF–FM radio or available docket materials are available
loudhailer. In addition, members of the 40 CFR Parts 51 and 52 electronically in http://
Coast Guard Auxiliary may be present to [EPA–HQ–OAR–2003–0064; FRL–9986–47– www.regulations.gov.
inform vessel operators of this OAR]
regulation. FOR FURTHER INFORMATION CONTACT: For
Official patrol vessels means any RIN 2060–AP80 further general information on this
Coast Guard, Coast Guard Auxiliary, action, contact Mr. Dave Svendsgaard,
Prevention of Significant Deterioration Office of Air Quality Planning and
state, or local law enforcement vessels (PSD) and Nonattainment New Source
assigned or approved by the COTP to Standards (OAQPS), Air Quality Policy
Review (NNSR): Aggregation; Division, U.S. EPA, Mail Code 504–03,
enforce this section. Reconsideration
(c) Enforcement period. This rule is 109 T.W. Alexander Drive, Research
effective without actual notice from AGENCY: Environmental Protection Triangle Park, NC 27711; by telephone
November 15, 2018 through 11:59 p.m. Agency (EPA). at (919) 541–2380; or by email at
on March 31, 2019. For the purposes of ACTION: Final action; lifting of svendsgaard.dave@epa.gov.
enforcement, actual notice will be used administrative stay and announcement SUPPLEMENTARY INFORMATION:
from 12:01 a.m. on November 8, 2018 of effective date.
through November 15, 2018. The rule I. General Information
will only be enforced during active SUMMARY: In this action, the A. Does this action apply to me?
bedrock removal operations or other Environmental Protection Agency (EPA)
instances which may cause a hazard to is concluding the reconsideration of an Entities potentially affected directly
navigation, or when deemed necessary earlier action that the EPA published on by this action include sources in all
by the Captain of the Port (COTP), January 15, 2009, titled ‘‘Prevention of industry categories. Entities potentially
Northern New England. Significant Deterioration (PSD) and affected by this action also include state,
(d) Regulations. When this safety zone Nonattainment New Source Review local and tribal air pollution control
is enforced, the following regulations, (NSR): Aggregation and Project agencies (air agencies) responsible for
along with those contained in § 165.23 Netting.’’ The 2009 action—hereafter permitting sources pursuant to the NSR
apply: referred to as ‘‘2009 NSR Aggregation program.
(1) No person or vessel may enter or Action’’—clarified implementation of
B. Where can I get a copy of this
khammond on DSK30JT082PROD with RULES
remain in the safety zone described in the New Source Review (NSR)
document and other related
paragraph (a) of this section unless permitting program under the Clean Air
information?
authorized by the COTP or the COTP’s Act (CAA or Act) with respect to
designated representative. treating related physical or operational In addition to being available in the
(2) To obtain permission required by changes as a single ‘‘modification’’ for docket, an electronic copy of this
this regulation, individuals may reach the purpose of determining NSR Federal Register document will be
the COTP or the COTP’s designated applicability at a stationary source. On posted at https://www.epa.gov/nsr.
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closer in time are more likely to be misapplication and did not properly 2378. The 2009 NSR Aggregation Action
substantially related than activities reflect the ‘‘substantially related’’ added, ‘‘[t]o be ‘substantially related,’
separated by larger time frames. Thus, it criterion. The 3M Memorandum stated there should be an apparent
affirmed that the timing between the following: interconnection—either technically or
activities remains important from a Some minimum level of research activity economically—between the physical
standpoint of framing the analysis of and commensurate emissions, source-wide, and/or operational changes, or a
whether a substantial technical or perhaps could be expected from year to year, complementary relationship whereby a
economic relationship exists. as would be expected to keep the 3M plant change at a plant may exist and operate
The 2009 NSR Aggregation Action productive or operable. These emissions and independently, however its benefit is
also expressed that the farther apart thereby modifications cannot be presumed to significantly reduced without the other
projects are timed, the less likely they be independent given the plant’s overall activity. We note that these factors are
are to be substantially related, since the basic purpose to support a variety of research not necessarily determinative of a
activities would likely be part of distinct and development activities. Therefore, even
though each research project may have been
substantial relationship, but are merely
planning and capital-funding cycles. It indicators that may suggest that two or
individually conceived and separately
stated ‘‘the passage of time provides a funded, it is appropriate to look at the overall more activities are likely to be
fairly objective indicator of expected research activity in assessing NSR substantially related and, therefore,
nonrelatedness between physical or applicability and enforcement. 3M candidates for aggregation.’’ Id.
operational changes. Specifically, the Memorandum at 5 (emphasis added).
greater the time period between 2. Reconsideration and Administrative
In the 2009 NSR Aggregation Action, Stay
activities, the less likely that a
the EPA expressed concern with this
deliberate decision was made by the On January 30, 2009, the Natural
statement from the 3M Memorandum,
source to split an otherwise ‘significant’ Resources Defense Council (NRDC)
saying ‘‘it could be interpreted to imply
activity into two or more smaller, non- submitted a petition for reconsideration
that almost any activity is related to any
major activities.’’ 74 FR 2380. of the 2009 NSR Aggregation Action (the
To this end, the 2009 NSR other activity at that source simply
because they are both capital ‘‘NRDC Petition’’). In response to the
Aggregation Action affirmed that timing NRDC Petition, on February 13, 2009,
could be a basis to not aggregate investments and support the company’s
goal to make a profit.’’ 74 FR 2376, the EPA convened a proceeding for
separate projects, and it established a reconsideration as provided for under
policy of applying a rebuttable 2379. The suggestion that all changes
consistent with the ‘‘overall basic the CAA section 307(d)(7)(B), finding
presumption against aggregating that the petitioner had raised objections
projects that occur 3 or more years purpose’’ of the plant can and should be
aggregated is inconsistent with the to the action that arose after the
apart. The EPA justified its selection of comment period and that were of
3 years as the presumptive timeframe in interpretation of ‘‘project’’ to include
only those changes that have a central relevance to the action.
part by reasoning that it ‘‘is long enough To allow time to complete the
to ensure a reasonable likelihood that substantial relationship. While the EPA
did not, in the 2009 NSR Aggregation reconsideration prior to the 2009 NSR
the presumption of independence will Aggregation Action becoming effective,
be valid, but is short enough to maintain Action, find such a broad approach to
project aggregation was often applied the EPA announced a 90-day
a useful separation between relevant administrative stay of the action. See 74
construction cycles, consistent with after the 3M determination, we
nevertheless had concerns that it did FR 7284 (February 13, 2009). The EPA
industry practice. For example, in the subsequently completed an action to
case of electric utilities, a commenter not represent an appropriate criterion
for aggregating projects for NSR further delay the effective date until
explained that companies plan and May 18, 2010. See 74 FR 22693 (May 14,
schedule major turbine outages every purposes and could be misapplied.
Thus, in the 2009 NSR Aggregation 2009). On May 18, 2010, the EPA
four to five years.’’ Id. However, the
Action, we maintained that two invoked APA section 705 to stay the
EPA did note that this presumptive
nominally separate projects are not action indefinitely pending the
timeframe may be rebutted in certain
substantially related if they are only proceedings for judicial review or the
circumstances. For instance, the 2009
related to the extent that they both completion of reconsideration. These
NSR Aggregation Action noted that
support the source’s ‘‘overall basic stays were intended to allow the EPA
where there is ‘‘evidence that a
purpose.’’ the time to take comment on issues that
company intends to undertake a phased
In summarizing what it means for were in question and complete any
capital improvement project’’ where the
projects to be substantially related, the revisions of the action that became
activities ‘‘have a substantial economic
2009 NSR Aggregation Action provided necessary as a result of the
relationship,’’ this would likely
that ‘‘in most cases, activities occurring reconsideration process.
overcome the presumption that those
in unrelated portions of a major As part of the reconsideration
activities should not be aggregated. Id.
With regard to implementing the 3- stationary source (e.g., a plant that proceeding, on April 15, 2010, the EPA
year presumption, the EPA stated ‘‘the makes two separate products and has no published a proposed reconsideration of
time period separating physical or equipment shared among the two the 2009 NSR Aggregation Action (the
operational changes should be processing lines) will not be ‘‘2010 Reconsideration Proposal’’).14 75
calculated based on time of approval substantially related. The test of a FR 19567. At the time, the EPA
(i.e., minor NSR permit issuance). If a substantial relationship centers around considered whether some of the points
permit has not been, or will not be, the interrelationship and
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14 In the 2010 Reconsideration Proposal, the EPA
issued for the physical or operational interdependence of the activities, such described the 2009 action as the ‘‘NSR Aggregation
changes, the time period should be that substantially related activities are Amendments.’’ However, since this action did not
based on when construction commences likely to be jointly planned (i.e., part of ‘‘amend’’ the NSR regulations, but rather laid out
on the changes.’’ 74 FR 2381. the same capital improvement project or an interpretation of our current regulations and
described a policy on timing for aggregation, the
The EPA also explained that a engineering study), and occur close in 2009 action is more appropriately described, as it
statement within the 3M Memorandum time and at components that are is described herein, as the 2009 NSR Aggregation
was potentially vulnerable to functionally interconnected.’’ 74 FR Action.
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raised by the NRDC petition might enforcement action for violations of project aggregation, but which to some
demonstrate potential flaws in the those obligations or requirements.’’ degree altered the aggregation policy
process and with fundamental aspects National Mining, 758 F.3d at 251–52. that the EPA had previously articulated
of the 2009 NSR Aggregation Action, We use the term ‘‘interpretation’’ to in past guidance memoranda and letters.
including the legal basis, state adoption describe ‘‘an agency action that merely In 2009, we also discussed our
and implementation, and the clarity of interprets a prior statute or regulation, intention to apply a rebuttable
the ‘‘substantially related’’ criterion. In and does not itself purport to impose presumption that activities separated by
the 2010 Reconsideration Proposal, we new obligations or prohibitions or more than 3 years would not be
expressed agreement with the petitioner requirements on regulated parties.’’ Id. considered substantially related. This
on a number of fronts, invited comment Following the language in the APA, section of the action is best understood
on all issues raised in the NRDC courts have used the term ‘‘interpretive as a statement of policy, as we were
petition, and proposed a preferred rule’’ to describe this type of action. Id. describing how we intended to exercise
option to revoke the 2009 NSR Here, however, we use the term our discretion under the NSR
Aggregation Action. The 2010 ‘‘interpretation’’ to more clearly regulations, as we interpreted them. We
Reconsideration Proposal also distinguish such an action from a justified the 3-year presumption as a
referenced a number of the past legislative rule. Finally, a ‘‘policy’’ or commonsense approach, in that we
determinations on project aggregation. ‘‘statement of policy’’ is ‘‘an agency believed that in practice once 3 years
See 75 FR 19570–1. action that merely explains how the had passed, ‘‘it is difficult to argue that
The EPA received a total of 27 agency will enforce a statute or th[e activities] are substantially related
comments on our 2010 Reconsideration regulation—in other words, how it will and constitute a single project.’’ 74 FR
Proposal. Of those commenters, 20 exercise its broad enforcement 2380. But recognizing that there may be
represented industry parties, three discretion or permitting discretion situations that would warrant an
represented state and local air agencies, under some extant statute or rule.’’ Id. exception to this approach, we
one represented a tribal government In 2006, we proposed a rule (meaning indicated that the 3-year presumption
agency, one represented a federal a legislative rule) that would have would be rebuttable. We indicated our
agency, one represented an changed the text in the Code of Federal view that it would be allowable and
environmental advocacy group, and one Regulations. We included in the appropriate for other permitting
was a private citizen. preamble an explanation of what we authorities to ‘‘also adopt this
intended that proposed regulatory text presumptive timeframe as guidance for
3. Characterizing the 2009 NSR
to mean. 71 FR 54235 (September 14, their sources.’’ 74 FR 2381.
Aggregation Action The 2009 action, thus, contained both
2006). In that Federal Register
In the history of actions that the EPA document, we referred to the action as an interpretation of the existing
has taken regarding its project a ‘‘proposed rule.’’ Id.; see also 71 FR at regulations and a statement of policy on
aggregation policy since 2006, the EPA 54245 (‘‘We are proposing to add our how we intended to implement that
has variously described the 2009 NSR aggregation policy to our NSR interpretation. It is for this reason that
Aggregation Action as a ‘‘rule,’’ regulations . . .’’). we refer to it as the 2009 NSR
‘‘interpretation,’’ and ‘‘policy.’’ In 2009, we took ‘‘final action’’ in the Aggregation Action. However, when
However, we are now mindful that these matter. That is, we completed the action reconsidering that 2009 action, we were
terms may be used to refer to three begun in 2006, while not changing the not sufficiently clear in the 2010
distinct types of agency action that have regulatory text itself. 74 FR 2376. In Reconsideration Proposal regarding the
varying degrees of legal effect and can retaining the existing regulatory text nature of the action we were
be changed through different types of defining the term ‘‘project,’’ we said that reconsidering. At times, we described
procedures. National Mining the action we were taking ‘‘interprets the 2009 action as a ‘‘final rule,’’ and
Association v. McCarthy, 758 F.3d 243, that rule text.’’ Id. The interpretation called it the ‘‘NSR Aggregation
251–52 (D.C. Cir. 2014). As is explained offered in the 2009 NSR Aggregation Amendments,’’ which could be read to
below, the distinction between the Action was that a ‘‘project,’’ which the suggest that we considered the 2009
proper procedures for changing rules, regulatory text defines to mean ‘‘a NSR Aggregation Action, despite the
interpretations, and policies were not as physical change in, or change in the lack of regulatory text changes, to
clear to the agency in 2009 and 2010 as method of operation of, an existing somehow be a legislative rule, or
they are today. Recent court decisions major stationary source,’’ 40 CFR something that ‘‘amended’’ the existing
have provided more clarity regarding 52.21(b)(53) (emphasis added), includes regulations.
the distinction between these types of those activities that are ‘‘substantially Much of the confusion stemmed from
actions and the means through which an related.’’ 74 FR 2377. This portion of the the fact that at the time we took these
agency can change them. In order to 2009 NSR Aggregation Action was an actions, judicial precedent in the United
clarify how state and local permitting interpretation.15 Although we had States Court of Appeals for District of
authorities may apply the principles for proposed to adopt a legislative rule in Columbia Circuit (D.C. Circuit) provided
project aggregation that the EPA 2006 and to reflect that in amended that, where an agency had given a
articulated in 2009, in this final action regulatory text, we made a final decision definitive interpretation to one of its
we seek to address any confusion in 2009 not to adopt any legislative rule own legislative rules, the agency could
regarding the nature of that 2009 action. or to amend the text of the NSR not thereafter change that interpretation
We begin by defining what we regulations. Instead, we chose to without providing notice and an
understand each of these terms to mean announce an interpretation of the opportunity to comment. Paralyzed
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when they are used in the discussion existing regulations that drew from Veterans of America v. D.C. Arena L.P.,
that follows. We use the term ‘‘rule’’ to EPA’s prior experience on the topic of 117 F.3d 579 (D.C. Cir. 1997). In part
describe a ‘‘legislative rule,’’ which is because of this precedent, we were
‘‘[a]n agency action that purports to 15 As explained above, courts follow the APA in
persuaded in 2010 that we should
impose legally binding obligations or referring to this type of action as an ‘‘interpretive provide an opportunity for the public to
rule,’’ but we refer to it herein simply as an
prohibitions on regulated parties—and ‘‘interpretation’’ to more clearly distinguish such an comment on the 2009 interpretation,
that would be the basis for an action from a legislative rule. which could have been viewed as a
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B. Retaining the 2009 NSR Aggregation necessarily transferable to a decision to Indeed, the criticism of relying on
Action aggregate a similar set of activities but ‘‘anecdotes’’ suggests that examples of
with a slightly different set of problems offered in public comments
1. An Interpretation Is Needed
circumstances at a different plant.’’ 74 should be ignored. The EPA is required
As explained earlier in this document, FR 2377. to take into account the comments
the EPA’s past position on project Previous agency statements can be submitted. Furthermore, merely because
aggregation—prior to the 2009 NSR taken out of context or misunderstood the overall level of uncertainty
Aggregation Action—was not when reviewing projects having a demonstrated by public comments
established through a rule or through a different set of facts. For example, while cannot be characterized—a given entity
single, comprehensive policy statement. the 3M Memorandum was considered would not necessarily know whether
Rather, the policy had been articulated by some as the EPA’s guiding policy on others were as uncertain as they were—
by the EPA through a number of site- project aggregation, parties could does not serve to demonstrate that the
specific determinations, many of which certainly misconstrue portions of that 2009 NSR Aggregation Action was
were issued after the activities subject to statement to suggest that all projects unwarranted. We believe that the
the determination had already occurred. occurring within the same timeframe evidence before the EPA in 2009 and the
Navigating this collection of EPA should be aggregated, or that all projects agency’s own extensive permitting
statements, capturing their salient occurring at a facility should be experience, coupled with statements
points, and determining whether and aggregated as long as they contribute to from public commenters in this
how to apply their rationale to new the source’s ‘‘overall basic purpose.’’ reconsideration proceeding, clearly
determinations with different fact Such an approach—i.e., to aggregate indicates that the EPA’s prior policy on
patterns was arguably a challenge for projects simply because they may occur project aggregation lacked clarity and
sources and permitting authorities over close in time or may support the same promoted confusion. The 2009 NSR
the years. Such an approach lacked overall purpose of the facility—fails to Aggregation Action provides a more
clarity for sources and permitting take proper account of the actual concise formulation for how to interpret
authorities, making it sometimes interrelationship of activities. the scope of a project and provides
difficult to understand the overall Meanwhile, in other parts of the 3M clarity for permitting authorities,
policy so they could effectively apply it Memorandum, the EPA’s statements regulated entities, and the public.
prospectively. clearly indicate that, in order to justify Finally, the 2010 Reconsideration
There is a substantive distinction aggregating activities for purposes of Proposal states that ‘‘[w]hile the [2009
between making case-by-case major NSR, the reasonable approach is NSR Aggregation Action] may, in some
determinations after-the-fact and to determine whether those activities respects, appear clearer than our
making case-by-case determinations are related in some meaningful way: previous policy, we are not convinced
prospectively—i.e., as part of a e.g., ‘‘[a]uthorities should scrutinize that it achieved enough additional
permitting applicability review—for [permit] applications that relate to the clarity to improve the process of making
NSR purposes. Many post hoc same process or units . . .’’; ‘‘two or aggregation assessments by sources and
determinations are made with an eye to more related minor changes over a short reviewing authorities. . . .’’ 75 FR
determining whether the requirements time period should be studied for 19573. After further consideration, we
of NSR were circumvented, whereas possible circumvention.’’ 3M now believe that providing clarity in a
prospective determinations are made Memorandum at 3 (emphasis added). single document is a better approach
with the purpose of giving sources an We consequently do not believe that a than continuing the previous policy that
opportunity to evaluate modifications broader approach to aggregating was based on a host of EPA letters and
during the planning or preconstruction activities—i.e., based on their memoranda, which collectively
phase in order to determine whether a contribution to a plant’s overall provided less clarity. We recognize
planned or proposed modification purpose—is an accurate characterization there will continue to be ‘‘gray areas’’
requires a PSD or NNSR permit, so as of the EPA’s view at the time of the 3M that sources and permitting authorities
not to circumvent the NSR process. determination. Furthermore, we do not will ultimately have to work through in
While the underlying criteria for believe it reflects EPA’s view in any deciding whether or not to aggregate a
assessing whether to group multiple other statement made by the agency set of changes at a facility. But this is
activities as a single project should be over the years. attributable to the inherent nature of
the same regardless of whether the We noted in the 2010 Reconsideration such decisions, not to some deficiency
determination is prospective or post Proposal that ‘‘in reviewing the record in the 2009 NSR Aggregation Action.
hoc, a post hoc determination is often for the NSR Aggregation Amendments, That does not mean that the EPA should
very specific to the industry and the we find that the only factual support for abandon the clarity it attempted to
individual fact pattern under the contention that our historic provide in that action.
consideration, and therefore applying approach caused confusion was
the determination’s rationale anecdotal,’’ and that the ‘‘parties 2. ‘‘Substantially Related’’ Is an
prospectively, while potentially supporting a change in policy failed to Appropriate Standard
informative, could be misapplied to provide us with any characterization of As noted above, the EPA continues to
situations involving different industries the overall level of uncertainty or other believe that there is a need for some
or having different fact patterns. The problems resulting from the existing criteria for determining when
2009 NSR Aggregation Action also policy on aggregation.’’ 75 FR 19572. nominally-separate changes should be
recognized the limitations of having a However, after further consideration, considered a single ‘‘project’’ for
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policy that is based on the specific fact the EPA finds this to be an insufficient purposes of determining NSR
patterns of past determinations: ‘‘the basis for changing or revoking the 2009 applicability. It remains necessary to
decision to aggregate or disaggregate NSR Aggregation Action. So-called draw a line between those activities that
activities is highly case-dependent, such ‘‘anecdotal’’ evidence is nevertheless are to be considered a single ‘‘physical
that letters and memoranda that opine still evidence of which the agency can or operational change’’ and those that
on whether to aggregate a particular set properly take account if, in its are not. In this action, we are affirming
of activities at one facility are not judgment, it finds it to be meaningful. that the 2009 NSR Aggregation Action’s
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‘‘substantially related’’ test is an production targets, economies of scale, proposed project broadly, to reflect
appropriate standard for project etc.).’’ Id. Similarly, the 2009 NSR multiple activities.’’ 18
aggregation. Aggregation Action said that ‘‘whether a In the Project Emissions Accounting
As explained elsewhere in this physical or operational change is Memorandum, we noted that EPA was
document, the nature of the project dependent on another for its viability is then evaluating whether to undertake a
aggregation determination is case- still a relevant factor in assessing future notice-and-comment rulemaking
specific, which means it is inherently whether the changes should be to implement, through changes to the
difficult to establish a bright line aggregated,’’ and ‘‘substantially related regulatory text itself, the interpretation
standard: Such a standard may be activities are likely to be jointly planned of the NSR applicability provisions set
reasonable when conducting an (i.e., part of the same capital forth in the memorandum. At such time
evaluation of project scope in one as we proceed with that rulemaking, we
improvement project or engineering
situation, but could prove to be will look to provide further guidance
study), and occur close in time and at
unreasonable or unworkable when with respect to properly accounting for
components that are functionally
applied in other situations. This case- the scope of a project in which a source
by-case aspect necessitates that the EPA interconnected.’’ 74 FR 2378. is seeking to take account of emission
establish a reasonable general principle In addition, the ‘‘substantially decreases at Step 1 of the NSR
to apply, and we believe the related’’ criterion is not materially applicability analysis. Meanwhile, in
‘‘substantially related’’ criterion is an different from the factors the agency has advance of that rulemaking, we take the
appropriate principle for concluding considered in previous project opportunity here to clarify that, as a
that claimed separate projects are a aggregation decisions. Over time, the general matter, it is neither necessary
single project for NSR applicability EPA has used various terms and nor appropriate to take into
purposes. We believe the substantially phrases—e.g., ‘‘intrinsic relationship’’ as consideration such matters as whether
related criterion is sound from a policy was used in the 3M Memorandum—to emission decreases attributable to a
and implementation perspective. describe the basis for why multiple particular activity are ‘‘integral’’ to the
The 2009 NSR Aggregation Action nominally-separate changes at a source overall project, as had once been
effectively addresses certain past EPA should be treated as a single project for proposed by a petroleum refinery to the
statements in relation to implementing NSR applicability purposes. The term EPA.19 Our current view is that the
the ‘‘substantially related’’ test for future ‘‘substantially related’’ is, therefore, concerns regarding the real possibility
project aggregation determinations. The little more than a functional synonym that NSR might be circumvented
2009 NSR Aggregation Action outlined for other terms that the EPA has through some artificial separation of
the role of timing—specifically, that historically used to characterize its activities where it would be
timing alone is not determinative of project aggregation policy. While unreasonable to consider them separate
whether activities are substantially projects—i.e., the concerns which the
sources and permitting authorities
related and that, as a policy matter, 2009 NSR Aggregation Action is
making project aggregation
activities separated in time by three or intended to address—are not so
determinations may continue to use the
more years may be presumed to be not obviously presented by the situation
substantially related. The 2009 NSR EPA’s previous terms, and may rely on
where a source itself is choosing to
Aggregation Action also rejected the use other terms or phrases going forward,
group together, as a single project,
of an ‘‘overall basic purpose’’ criterion we believe that the terminology used activities to which a projected emissions
for aggregating physical or operational should ultimately express a standard for decrease is attributable.20 In a future
changes, since it could have been read determining whether the activities are rulemaking to clarify, through
to constitute an open-ended standard, or are not substantially related. Thus, regulatory text changes, the
resulting in the unreasonable or we believe ‘‘substantially related’’ works interpretation set forth in the Project
improper aggregation of unrelated effectively as an umbrella term to Emissions Accounting Memorandum,
activities. include these previous descriptors for the EPA will be taking comment on
Importantly, we do not believe the analyzing the relationship between whether our current view of this issue
2009 NSR Aggregation Action reflects a projects that warrant aggregation. is reasonable, whether the
major shift in policy from EPA’s prior Finally, the matter of defining the ‘‘substantially related’’ criterion
policy on project aggregation. To the scope of a project was raised, in a described here may speak to this issue,
contrary, we believe that in many ways different context, in the Project and other related matters.
the 2009 NSR Aggregation Action Emissions Accounting Memorandum
clarifies and supplements previous 3. Legal Basis Is Sound
issued on March 13, 2018. There, we
statements of policy. For example, in observed that, as general matter, the We believe the 2009 NSR Aggregation
the case of timing, the 3M Memorandum Action is legally supportable and makes
source itself is responsible for defining
suggested that when minor NSR permit sense for sometimes difficult case-by-
the scope of its own project, subject to
applications occur ‘‘over a short time
the limitation that the source cannot
period (e.g., 1 year or 18 months), the 18 Project Emissions Accounting Memorandum at
seek to circumvent NSR by 9 (emphasis added).
modifications may require major new
source review.’’ 3M Memorandum at 4 characterizing the proposed project in a 19 Letter from Steven C. Riva, U.S. EPA Region 2,
way that would separate a single project to Kathleen Antoine, HOVENSA, LLC, ‘‘Re:
(emphasis added). Thus, the 3M Emission Decreases Integral to Projects’’ (June 7,
Memorandum never said timing was the into multiple projects. We further 2010) (‘‘EPA, by this letter, is not opining on the
sole criterion or otherwise conclusive. pointed out that, ‘‘[s]ubject to the merits of HOVENSA’s analysis regarding the
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Rather, timing was a reason to look equivalent understanding that it might underlying basis for ‘integral to the project’
be possible [for a source] to circumvent approach.’’).
more closely at the relevant activities’ 20 Indeed, the EPA views this latter situation as
‘‘intrinsic relationship with each other NSR through some wholly artificial one where sources could potentially be incentivized
(physical proximity, stages of grouping of activities, the EPA does not to seek out emission reductions that might
production process, etc.) and their interpret its NSR regulations as otherwise be foregone entirely—e.g., because of
directing the agency to preclude a perceived complexity with contemporaneous
impact on economic viability of the netting under Step 2 of the NSR applicability
plant (scheduling down time in light of source from reasonably defining its analysis.
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case determinations required for meaning of physical change,’’ 75 FR where that may be the case and have not
assessing whether to aggregate 19571, citing NRDC Petition at 5–6 followed the reasoning of their
nominally-separate projects. Contrary to (emphasis in original), we do not now argument to its logical conclusion. This
the petitioner’s argument, the use of the perceive any merit in NRDC’s assertion. argument would require the EPA to
term ‘‘substantially related’’ would not With NRDC’s arguments in mind, the prove a negative: That whatever
create a carve-out from the scope of the agency at one point read New York II as interpretation or policy on aggregation
statutory definition of ‘‘modification.’’ suggesting that the CAA ‘‘prohibits EPA we adopted would not exclude any level
Drawing on arguments made by NRDC from picking and choosing among of aggregated activities that fit within
in its petition, in 2010 we had meanings of the phrase ‘any physical the ordinary meaning of a physical
postulated, while ‘‘[m]uch of the change . . . or change in the method of change. This impossible task would
emphasis’’ of New York v. EPA, 443 operation’ if it would result in omitting mean that even the EPA aggregation
F.3d 880 (D.C. Cir. 2006) (New York II) a common meaning that would subject policy prior to the 2009 NSR
and other cases had been on whether an emission increase to review.’’ 75 FR Aggregation Action was in violation of
the EPA ‘‘could exclude small changes 19571. Based on this, we were New York II because it allowed a facility
from being considered potential concerned that, ‘‘[i]f ‘substantially to sometimes disaggregate activities
modifications as defined in the Act,’’ related’ would omit an ordinary, when, if aggregated, they would fall
the court’s reasoning in New York II also common meaning of physical change within the ordinary meaning of physical
applies to a rule that would split apart that would bring an emissions- change. A better approach to defining
one change into separate changes in increasing project under review, then the scope of the ordinary meaning of
order to limit the applicability of NSR.’’ the definition would eliminate a type of physical change is to provide, as we did
75 FR 19571. The D.C. Circuit’s New physical change that Congress intended in the 2009 NSR Aggregation Action, a
York II decision had focused on whether to cover (i.e., the change that consists of principle for source owners or operators
the EPA’s amendment to the ‘‘routine the group of nominally-separate changes to follow, here the ‘‘substantially
maintenance, repair and replacement’’ that comprise a project but do not related’’ principle, when defining the
provision of the NSR regulations which qualify as ‘substantially related’).’’ Id. scope of ‘‘a physical change in, or
provided that a specifically defined Thus, we reasoned at the time ‘‘that, to change in method of operation of,’’
category of ‘‘equipment replacement’’ the extent that [the] ‘substantially pursuant to 40 CFR 52.21(b)(52), in a
projects did not constitute a ‘‘physical related’ interpretation would exclude particular case.
change or change in the method of meanings that fit within a reasonable
operation,’’ was lawful. The court in understanding of the ordinary meaning 4. Adoption Is Not Mandatory
New York II held that it was not lawful, of ‘any physical change,’ ’’ then the 2009 We acknowledge that, by not making
opining that the EPA ‘‘must apply NSR NSR Aggregation Action ‘‘would any changes to the regulatory text, as
whenever a source conducts an impermissibly narrow the scope of CAA had been proposed, it may have been
emissions-increasing activity that fits § 111(a)(4).’’ Id. somewhat unclear to some whether state
within one of the ordinary meanings of We now believe that such concerns and local air agencies have to adopt or
physical change.’’ 443 F.3d at 885. were unwarranted. Upon further implement the elements of the 2009
In the 2010 Reconsideration Proposal, consideration, we do not view New NSR Aggregation Action, and, if so, how
we said we then read the D.C. Circuit’s York II, properly understood, as they should do so. In the 2010
opinion as ‘‘requir[ing] EPA to aggregate providing support for the proposition Reconsideration Proposal, we expressed
any group of small changes’’ that were that a ‘‘common meaning’’ of a single our agreement with ‘‘NRDC’s assertion
‘‘sufficiently related to ‘fit[] within one ‘‘change’’ would include multiple that the state and local implementation
of the ordinary meanings of ‘physical changes, much less multiple, separate requirements of the NSR Aggregation
change.’ ’’ 75 FR 19571. In this regard, changes that are not substantially Amendments are unclear,’’ and that the
we said that we ‘‘agree[d] with [NRDC’s] related, such as changes which are ‘‘question of whether a SIP amendment
contention that, to the extent that our undertaken at a source at different is required when the CFR remains
‘substantially related’ interpretation,’’ as times, or undertaken for different unchanged is likely to cause confusion
set forth in the 2009 NSR Aggregation purposes, or which are otherwise for reviewing authorities and other
Action, would ‘‘exclude meanings that unrelated to each other. That is, the stakeholders.’’ 75 FR 19572. Taking
fit within a reasonable understanding of EPA’s current view is that nothing in account of this confusion, the agency
the ordinary meaning of ‘any physical New York II supports, much less considered that it ‘‘added support for
change,’ ’’ that interpretation would compels, a reading of the CAA under our preferred position in this notice,
‘‘impermissibly narrow the scope of which all ‘‘nominally-separate changes’’ which is to revoke’’ the 2009 NSR
CAA section 111(a)(4).’’ Id. We sought are deemed to ‘‘comprise’’ a single Aggregation Action. Id.
comment on this analysis of the statute ‘‘project,’’ where those changes are not We now find such concerns over
and New York II. substantially related. Nevertheless, potential ‘‘confusion’’ to have been
Upon further consideration and after under the interpretation reflected in the overstated. In the Response to
reviewing the public comments on this 2009 NSR Aggregation Action, multiple Comments document for the 2009 NSR
reconsideration proposal, the agency changes that are ‘‘substantially related’’ Aggregation Action (2009 RTC), the
does not read New York II as supportive are to be considered to be one project for agency had specifically noted that
of the notion that the ‘‘substantially purposes of determining NSR ‘‘[s]ince we are not promulgating the
related’’ interpretation set forth in the applicability. proposed rule regulatory changes, we
2009 NSR Aggregation Action is Finally, to the extent that NRDC are not adding NSR minimum program
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somehow contrary to the language of argues that the aggregation of activities elements that would require states to
CAA section 111(a)(4). While we had that are not substantially related into modify their SIP.’’ 2009 RTC at 56. The
previously suggested that there might be one activity that fits within the ordinary agency continued that it would ‘‘begin
some weight to NRDC’s argument that meaning of a physical change—and not applying the interpretations laid out in
the ‘‘ ‘aggregation of nominally separate aggregating those changes to compare to the final action to activities that
changes that are not substantially the significance level would violate New postdate actions after the effective date
related’ also may be within an ordinary York II—it has provided no examples of the final rulemaking notice.’’ Id. ‘‘At
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![Federal Register / Vol. 83, No. 221 / Thursday, November 15, 2018 / Rules and Regulations 57333
that time,’’ the EPA explained, states appropriateness of the 2009 NSR Under section 307(b)(1) of the Act, to
‘‘may also begin applying EPA’s Aggregation Action, we are hereby the extent that this action is judicially
interpretations to the extent they do not lifting the indefinite administrative stay reviewable, petitions for judicial review
conflict with their approved SIPs.’’ Id. and announcing the effective date of the of this action must be filed in the United
We now believe it is likely that state and action. The effective date of the 2009 States Court of Appeals for the District
local permitting authorities would have NSR Aggregation Action, published in of Columbia Circuit by January 14, 2019.
understood this straightforward the Federal Register on January 15,
explanation. VII. Statutory Authority
2009 (74 FR 2376), and delayed on
Further, as previously discussed, February 13, 2009 (74 FR 7284), May 14, The statutory authority for this action
determining whether a source has 2009 (74 FR 22693), and May 18, 2010 is provided by section 301(a) of the CAA
sought to circumvent NSR by failing to (75 FR 27643), begins again on as amended (42 U.S.C. 7601(a)). This
treat nominally-separate activities as a November 15, 2018. document is also subject to section
single project is inherently case-specific 307(d) of the CAA (42 U.S.C. 7407(d)).
and fact-dependent. Given this, it is not IV. Environmental Justice
Considerations Dated: November 7, 2018.
reasonable to imagine that perfect Andrew R. Wheeler,
clarity could ever be achieved. To the We believe that this action does not Acting Administrator.
extent, however, that the 2009 NSR have any effect on environmental justice
Aggregation Action, in setting forth both [FR Doc. 2018–24820 Filed 11–14–18; 8:45 am]
communities. Through this action, the
the ‘‘substantially related’’ EPA is affirming its interpretation that
BILLING CODE 6560–50–P
interpretation and the EPA’s policy for its current NSR regulations allow for the
applying that interpretation, provides 2009 NSR Aggregation Action and, as
some meaningful guidance to sources ENVIRONMENTAL PROTECTION
such, no increased burden is expected AGENCY
and to state and local permitting for source owners, permitting
authorities, we fail to understand how authorities, or environmental justice 40 CFR Part 180
revoking the 2009 NSR Aggregation communities.
Action would serve to promote clarity. [EPA–HQ–OPP–2017–0744; FRL–9985–45]
Indeed, in this regard, we believe in V. Executive Order 12866: Regulatory
most cases that sources and state and Planning and Review and Executive Azoxystrobin; Pesticide Tolerances
local air agencies already implement a Order 13563: Improving Regulation and AGENCY: Environmental Protection
standard that is similar to the Regulatory Review Agency (EPA).
substantially related standard. To the
This action is a significant action that ACTION: Final rule.
extent that a state or local air agency
was submitted to the Office of
desires to formally adopt the 2009 NSR SUMMARY: This regulation establishes
Management and Budget (OMB) for
Aggregation Action, the EPA will tolerances for residues of azoxystrobin
review. Any changes made in response
provide support to those agencies to in or on beet, sugar, roots and vegetable,
to OMB recommendations have been
process SIP submittals and issue root, except sugar beet, subgroup 1B.
documented in the docket.
approvals, as warranted. In most cases, Syngenta Crop Protection, LLC
however, we do not think changes in VI. Judicial Review requested these tolerances under the
state plans would be needed to Federal Food, Drug, and Cosmetic Act
Section 307(b)(1) of the CAA indicates
implement this interpretation. (FFDCA).
which Federal Courts of Appeal have
C. Completing the Reconsideration venue for petitions of review of final DATES: This regulation is effective
Proceeding agency actions by the EPA under the November 15, 2018. Objections and
We believe that this final action CAA. This section provides, in part, that requests for hearings must be received
addresses the concerns raised by the petitions for review must be filed in the on or before January 14, 2019, and must
petitioner with respect to the 2009 NSR U.S. Court of Appeals for the District of be filed in accordance with the
Aggregation Action—e.g., adequate Columbia Circuit (i) when the agency instructions provided in 40 CFR part
notice and logical outgrowth, the legal action consists of ‘‘nationally applicable 178 (see also Unit I.C. of the
underpinnings of the action, state regulations promulgated, or final actions SUPPLEMENTARY INFORMATION).
adoption, and our need to change or taken, by the Administrator’’ or (ii) ADDRESSES: The docket for this action,
clarify our aggregation policy. when such action is locally or regionally identified by docket identification (ID)
Accordingly, this action concludes the applicable, if ‘‘such action is based on number EPA–HQ–OPP–2017–0744, is
reconsideration proceeding of the 2009 a determination of nationwide scope or available at http://www.regulations.gov
NSR Aggregation Action. effect and if in taking such action the or at the Office of Pesticide Programs
Administrator finds and publishes that Regulatory Public Docket (OPP Docket)
D. Lifting the Administrative Stay; such action is based on such a in the Environmental Protection Agency
Announcement of Effective Date determination.’’ Docket Center (EPA/DC), West William
On May 18, 2010, after a series of This action completes the Jefferson Clinton Bldg., Rm. 3334, 1301
temporary administrative stays of the reconsideration proceeding and makes Constitution Ave. NW, Washington, DC
2009 NSR Aggregation Action, the EPA effective the 2009 NSR Aggregation 20460–0001. The Public Reading Room
exercised the provisions of the APA Action. The 2009 NSR Aggregation is open from 8:30 a.m. to 4:30 p.m.,
section 705 to postpone the Action is an interpretation of NSR rule Monday through Friday, excluding legal
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effectiveness of the action ‘‘until language that applies in every state and holidays. The telephone number for the
judicial review is no longer pending or territory in the United States where EPA Public Reading Room is (202) 566–1744,
the EPA completes the reconsideration is the permitting authority. Therefore, to and the telephone number for the OPP
process.’’ 75 FR 27644. Since this action the extent that this action is a ‘‘final Docket is (703) 305–5805. Please review
concludes the reconsideration action,’’ it is ‘‘nationally applicable’’ the visitor instructions and additional
proceeding, and we have affirmed the within the meaning of CAA section information about the docket available
legal consistency and policy 307(b)(1). at http://www.epa.gov/dockets.
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Document Created: 2018-11-15 04:00:41
Document Modified: 2018-11-15 04:00:41
| Category | Regulatory Information | |
| Collection | Federal Register | |
| sudoc Class | AE 2.7: GS 4.107: AE 2.106: | |
| Publisher | Office of the Federal Register, National Archives and Records Administration | |
| Section | Rules and Regulations | |
| Action | Final action; lifting of administrative stay and announcement of effective date. | |
| Dates | This action is effective on November 15, 2018. | |
| Contact | For further general information on this action, contact Mr. Dave Svendsgaard, Office of Air Quality Planning and Standards (OAQPS), Air Quality Policy Division, U.S. EPA, Mail Code 504-03, 109 T.W. Alexander Drive, Research Triangle Park, NC 27711; by telephone at (919) 541-2380; or by email at [email protected] | |
| FR Citation | 83 FR 57324 | |
| RIN Number | 2060-AP80 | |
| CFR Citation | 40
CFR
51 40 CFR 52 |
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