USCA Case #18-1206 Document #1743902 Filed: 08/02/2018 Page 1 of 79

IN THE COURT OF APPEALS FOR THE DISTRICT OF COLUMBIA CIRCUIT

______) ) ENVIRONMENTAL LAW AND POLICY CENTER ) and RESPIRATORY HEALTH ASSOCIATION, ) ) Petitioners, ) ) v. ) No. ____18-12_____06 ) UNITED STATES ENVIRONMENTAL ) PROTECTION AGENCY, and ) ANDREW R. WHEELER, Acting Administrator, ) United States Environmental Protection Agency, ) ) Respondents. ) ) ) ______

PETITION FOR REVIEW

Pursuant to Clean Air Act § 307(b)(1), 42 U.S.C. § 7607(b)(1), Rule 15 of the Federal Rules of Appellate Procedure, and D.C. Circuit Rule 15, the

Environmental Law and Policy Center, on behalf of itself and the Respiratory

Health Association (“Petitioners”), hereby petitions the Court for review of the final action taken by Respondents United States Environmental Protection Agency and Scott Pruitt, Administrator, United States Environmental Protection Agency, at USCA Case #18-1206 Document #1743902 Filed: 08/02/2018 Page 2 of 79

83 Fed. Reg. 25,776 et seq. (June 4, 2018), to establish Air Quality Designations for the 2015 Ozone National Ambient Air Quality Standards.

Dated: August 2, 2018 Respectfully submitted,

/s/ Scott Strand______

Scott Strand (D.C. Cir. #60545) Andrene E. Dabaghi Environmental Law & Policy Center 35 East , Suite 1600 , 60601 (312) 673-6500 [email protected]

Counsel for Petitioners Environmental Law and Policy Center and Respiratory Health Association

2 USCA Case #18-1206 Document #1743902 Filed: 08/02/2018 Page 3 of 79

IN THE UNITED STATES COURT OF APPEALS FOR THE DISTRICT OF COLUMBIA CIRCUIT

______) ) ENVIRONMENTAL LAW AND POLICY CENTER ) and RESPIRATORY HEALTH ASSOCIATION ) ) Petitioners, ) ) v. ) No. ______18-1206 ) UNITED STATES ENVIRONMENTAL ) PROTECTION AGENCY, and ) ANDREW R. WHEELER, Acting Administrator, ) United States Environmental Protection Agency, ) ) Respondents. ) ) ) ______

RULE 26.1 CORPORATE DISCLOSURE STATEMENT

Pursuant to Fed. R. App. P. 26.1 and D.C. Circuit Rule 26.1, Petitioners

Environmental Law and Policy Center and Respiratory Health Association make the following disclosures:

Environmental Law and Policy Center: Environmental Law and Policy

Center (ELPC) is an Illinois not-for-profit corporation dedicated to environmental education, advocacy and legal action to protect air quality, water quality and USCA Case #18-1206 Document #1743902 Filed: 08/02/2018 Page 4 of 79 natural resources throughout the Midwest. ELPC has no parent companies, and no publicly held company has a 10% or greater ownership interest in ELPC.

Respiratory Health Association: The Respiratory Health Association

(RHA) is a 501(c)(3) charitable organization organized under the laws of the State of Illinois. RHA, a public health leader in the Chicago metropolitan area since

1906, is dedicated to preventing lung disease, promoting clean air, and helping people live better through education, research, and policy change. RHA has no parent companies, and no publicly held company has a 10% or greater ownership interest in RHA.

Dated: August 2, 2018 Respectfully submitted,

/s/ Scott Strand______

Scott Strand (D.C. Cir. #60545) Andrene E. Dabaghi Environmental Law & Policy Center 35 East Wacker Drive, Suite 1600 Chicago, Illinois 60601 (312) 673-6500 [email protected]

Counsel for Petitioners Environmental Law and Policy Center and Respiratory Health Association

2 USCA Case #18-1206 Document #1743902 Filed: 08/02/2018 Page 5 of 79

CERTIFICATE OF SERVICE

I hereby certify that the foregoing Petition for Review and Rule 26.1

Corporate Disclosure Statement were served by First Class U.S. Mail this 2nd day of August, 2018, upon each of the following:

Andrew R. Wheeler Acting Administrator U.S. Environmental Protection Agency William Jefferson Clinton Building – North 1200 Pennsylvania Avenue, N.W. Mail Code: 1101A Washington, D.C. 20460

Office of General Counsel U.S. Environmental Protection Agency William Jefferson Clinton Building – North 1200 Pennsylvania Avenue, N.W. Mail Code: 2344A Washington, D.C. 20460

The Hon. Jefferson Sessions, III U.S. Attorney General U.S. Department of Justice 950 Pennsylvania Ave., N.W. Washington, D.C. 20530

Date: August 2, 2018 /s/ Scott Strand______Scott Strand USCA Case #18-1206 Document #1743902 Filed: 08/02/2018 Page 6 of 79

18-1206 Attachment

U.S. Environmental Protection Agency, Additional Air Quality Designations for the 2015 Ozone National Ambient Air Quality Standards, 83 Fed. Reg. 25,776 (June 4, 2018) 25776USCA CaseFederal #18-1206 Register / Vol. Document 83, No. 107 #1743902 / Monday, June 4, Filed: 2018 /08/02/2018 Rules and Regulations Page 7 of 79

ENVIRONMENTAL PROTECTION DATE: The effective date of this rule is Planning and Standards, U.S. AGENCY August 3, 2018. Environmental Protection Agency, Mail ADDRESSES: The EPA has established a Code C539–01, Research Triangle Park, 40 CFR Part 81 docket for this action under Docket ID NC 27711, phone number (919) 541– [EPA–HQ–OAR–2017–0548; FRL–9977–72– NO. EPA–HQ–OAR–2017–0548. All 4280 or by email at: scott.denise@ OAR] documents in the docket are listed in epa.gov. the index at http://www.regulations.gov. Regional Office Contacts RIN 2060–AT94 Although listed in the index, some information is not publicly available, Region I—Richard Burkhart, telephone Additional Air Quality Designations for i.e., Confidential Business Information (617) 918–1664, email at the 2015 Ozone National Ambient Air or other information whose disclosure is [email protected]. Quality Standards restricted by statute. Certain other Region II—Omar Hammad, telephone AGENCY: Environmental Protection material, such as copyrighted material, (212) 637–3347, email at Agency (EPA). is not placed on the internet and will be [email protected]. ACTION: Final rule. publicly available only in hard copy Region III—Maria Pino, telephone (215) form. Publicly available docket 814–2181, email at pino.maria@ SUMMARY: This rule establishes initial materials are available either epa.gov. air quality designations for certain areas electronically in the docket or in hard Region IV—Jane Spann, telephone (404) in the United States, including areas of copy at the EPA Docket Center, EPA 562–9029, email at spann.jane@ Indian country, for the 2015 primary WJC West Building, Room 3334, 1301 epa.gov. and secondary national ambient air Constitution Avenue NW, Washington, Region V—Kathleen D’Agostino, quality standards (NAAQS) for ozone. DC. The Public Reading Room is open telephone (312) 886–1767, email at On November 6, 2017, the from 8:30 a.m. to 4:30 p.m., Monday [email protected]. Environmental Protection Agency (EPA) through Friday, excluding legal Region VI—Carrie Paige, telephone designated about 85 percent of the holidays. The telephone number for the (214) 665–6521, email at country as attainment/unclassifiable Public Reading Room is (202) 566–1744, [email protected]. and three counties as unclassifiable. In and the telephone number for the Office Region VII—Lachala Kemp. telephone this action, the EPA is designating all of Air and Radiation Docket and (913) 551–7214, email at remaining areas, except for eight Information Center is (202) 566–1742. [email protected]. In addition, the EPA has established counties in the San Antonio, Texas Region VIII—Chris Dresser, telephone a website for this rulemaking at https:// metropolitan area. Areas are being (303) 312–6385, email at www.epa.gov/ozone-designations. The designated as either nonattainment, [email protected]. website includes the EPA’s final attainment/unclassifiable, or Region IX—Ashley Graham, telephone designations, as well as designation unclassifiable. Areas designated as (415) 972–3877, email at recommendation letters from states and nonattainment are also being classified [email protected]. by operation of law according to the tribes, the EPA’s 120-letters notifying Region X—Karl Pepple, telephone (206) severity of their air quality problems. the states whether EPA intends to 553–1778, email at pepple.karl@ The classification categories are modify the state’s recommendation, epa.gov. Marginal, Moderate, Serious, Severe, technical support documents, responses and Extreme. In addition, five to comments and other related technical SUPPLEMENTARY INFORMATION: nonattainment areas in California are information. The public may inspect the rule and being voluntarily reclassified to a higher FOR FURTHER INFORMATION CONTACT: state-specific technical support classification. Denise Scott, Office of Air Quality information at the following locations:

Regional offices States

Dave Conroy, Chief, Air Programs Branch, EPA New England, 5 Post Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Office Square, Suite 100, Boston, MA 02109–3912, (617) 918–1661. and Vermont. Richard Ruvo, Chief, Air Programs Branch, EPA Region II, 290 Broad- New Jersey, New York, Puerto Rico, and Virgin Islands. way, 25th Floor, New York, NY 10007–1866, (212) 637–4014. Maria A. Pino, Acting Associate Director, Office of Air Program Plan- Delaware, District of Columbia, Maryland, Pennsylvania, Virginia, and ning, EPA Region III, 1650 Arch Street, Philadelphia, PA 19103– West Virginia. 2187, (215) 814–2181. R. Scott Davis, Chief, Air Planning and Implementation Branch, EPA Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, Region IV, Sam Nunn Atlanta Federal Center, 61 Forsyth, Street, South Carolina, and Tennessee. SW, 12th Floor, Atlanta, GA 30303, (404) 562–9127. John Mooney, Chief, Air Programs Branch, EPA Region V, 77 West Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin. Jackson Street, Chicago, IL 60604, (312) 886–6043. Mary Stanton, Chief, State Implementation Section B, EPA Region VI, Arkansas, Louisiana, New Mexico, Oklahoma, and Texas. 1445 Ross Avenue, Dallas, TX 75202, (214) 665–8377. Mike Jay, Chief, Air Programs Branch, EPA Region VII, 11201 Renner Iowa, Kansas, Missouri, and Nebraska. Blvd., Lenexa, KS 66129, (913) 551–7460. Monica Morales, Air Program Director, EPA Region VIII, 1595 Colorado, Montana, North Dakota, South Dakota, Utah, and Wyoming. Wynkoop Street, Denver, CO 80202–1129, (303) 312–6936. Laura Lawrence, Acting Chief, Air Planning Office, EPA Region IX, 75 American Samoa, Arizona, California, Guam, Hawaii, Nevada, and Hawthorne Street, San Francisco, CA 94105, (415) 972–3407. Northern Mariana Islands. Debra Suzuki, Manager, State and Tribal Air Programs, EPA Region X, Alaska, Idaho, Oregon, and Washington. Office of Air, Waste, and Toxics, Mail Code OAQ–107, 1200 Sixth Avenue, Seattle, WA 98101, (206) 553–0985.

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Table of Contents DC District of Columbia areas. The EPA is also designating one EPA Environmental Protection Agency area as unclassifiable. The EPA is The following is an outline of the FR Federal Register preamble. designating all the other areas addressed NAAQS National Ambient Air Quality in this final action, including both state I. Preamble Glossary of Terms and Acronyms Standards and tribal areas, as attainment/ NO Nitrogen Oxides II. What is the purpose of this action? X unclassifiable. With this action, the EPA III. What is ozone and how is it formed? NTTAA National Technology Transfer and IV. What are the 2015 ozone NAAQS and the Advancement Act has issued final designations for all health and welfare concerns they PPM Parts per million areas of the country with the exception address? RFA Regulatory Flexibility Act of eight counties in the San Antonio, V. What are the CAA requirements for air RTA Rural Transport Area Texas, metropolitan area. The EPA quality designations? UMRA Unfunded Mandate Reform Act of intends to issue final designations for VI. What is the chronology for this 1995 these eight counties by July 17, 2018. designations rule and what guidance did TAR Tribal Authority Rule The EPA is basing the designations on the EPA provide? U.S. United States the most recent 3 years of certified VII. What air quality data has the EPA used U.S.C. United States Code ozone air quality monitoring data and to designate areas for the 2015 ozone VCS Voluntary Consensus Standards NAAQS? VOC Volatile Organic Compounds on an evaluation of factors to assess VIII. What are the ozone air quality contributions to nonattainment in classifications? II. What is the purpose of this action? nearby areas. State areas designated as IX. What action is EPA taking to reclassify The purpose of this action is to nonattainment are subject to planning five California nonattainment areas? announce and promulgate initial area and emission reduction requirements as X. How can states request that an area within designations for certain areas of the specified in CAA part D. Requirements 5 percent of the upper or lower limit of country with respect to the 2015 vary according to an area’s a classification threshold be reclassified? classification. On November 17, 2016, A. Five Percent Reclassifications to a primary and secondary NAAQS for ozone, in accordance with the the EPA proposed an implementation Lower Classification rule to assist states in the development B. Five Percent Reclassifications to a requirements of Clean Air Act (CAA) Higher Classification section 107(d). The EPA is designating of state implementation plans for C. Timing of the 5 Percent Reclassifications areas as either nonattainment, attaining the ozone standards (81 FR XI. Determining Rural Transport Areas attainment/unclassifiable, or 81276). The EPA expects to finalize this XII. How do designations affect Indian unclassifiable. In addition, this action rule as soon as possible after finalizing country? announces the classification for the nonattainment area designations for XIII. Where can I find information forming nonattainment areas, which occurs by the 2015 ozone NAAQS. the basis for this rule and exchanges between the EPA, states, and tribes operation of law at the time of III. What is ozone and how is it formed? related to this rule? designation and is based on the severity Ground-level ozone is a gas that is XIV. Environmental Justice Concerns of each area’s ozone air quality formed by the reaction of volatile XV. Statutory and Executive Order Reviews problems. This action also reclassifies organic compounds (VOCs) and oxides A. Executive Order 12866: Regulatory five areas in California to a higher of nitrogen (NO ) in the atmosphere in Planning and Review and Executive X classification. The classification the presence of sunlight. These Order 13563: Improving Regulations and categories are Marginal, Moderate, Regulatory Review precursor emissions are emitted by Serious, Severe, and Extreme. The EPA many types of pollution sources, B. Executive Order 13771: Reducing established the air quality thresholds Regulations and Controlling Regulatory including power plants and industrial Costs that define the classifications in a emissions sources, on-road and off-road C. Paperwork Reduction Act separate rule titled, ‘‘Implementation of motor vehicles and engines, and smaller D. Regulatory Flexibility Act the 2015 National Ambient Air Quality sources, collectively referred to as area E. Unfunded Mandates Reform Act Standards for Ozone: Nonattainment sources. Ozone is predominately a F. Executive Order 13132: Federalism Area Classifications Approach’’ summertime air pollutant. However, G. Executive Order 13175: Consultation (Classifications Rule) (83 FR 10376; and Coordination With Indian Tribal high ozone concentrations have also March 9, 2018). been observed in cold months, where a Governments The list of all areas being designated few areas in the Western United States H. Executive Order 13045: Protection of in this action appear in the regulatory (U.S.) have experienced high levels of Children From Environmental Health tables included at the end of this final and Safety Risks local VOC and NO emissions that have rule. These tables, which will amend 40 X I. Executive Order 13211: Actions That formed ozone when snow is on the CFR part 81, identify the designation Significantly Affect Energy Supply, ground and temperatures are near or and the classification for each Distribution, or Use below freezing. Ozone and ozone nonattainment area. J. National Technology Transfer and precursors can be transported to an area Advancement Act (NTTAA) In this action, the EPA is designating K. Executive Order 12898: Federal Actions 51 areas as nonattainment. Consistent from sources in nearby areas or from To Address Environmental Justice in with the EPA’s ‘‘Policy for Establishing sources located hundreds of miles away. Minority Populations and Low-Income Separate Air Quality Designations for For purposes of determining ozone Populations Areas of Indian Country’’ (December 20, nonattainment area boundaries, the L. Congressional Review Act 2011), the EPA is designating certain CAA requires the EPA to include areas M. Judicial Review lands of the Pechanga Tribe and the that contribute to nearby violations of I. Preamble Glossary of Terms and Morongo Tribe in Southern California as the NAAQS. Acronyms separate nonattainment areas.1 Seven of IV. What are the 2015 ozone NAAQS The following are abbreviations of the nonattainment areas are multi-state and the health and welfare concerns terms used in the preamble. they address? 1 Designation guidance for the 2015 ozone APA Administrative Procedure Act NAAQS is available at https://www.epa.gov/ozone- On October 1, 2015, the EPA revised CAA Clean Air Act designations/epa-guidance-area-designations-2015- both the primary and secondary NAAQS CFR Code of Federal Regulations ozone-naaqs. for ozone to a level of 0.070 parts per

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million (ppm) (annual fourth-highest of the label to be attainment/ information. The EPA does not interpret daily maximum 8-hour average unclassifiable to better convey the the statute to require the agency to concentration, averaged over 3 years).2 definition of the designation category establish bright line tests or thresholds The level of the ozone NAAQS and so that the category is more easily for what constitutes ‘‘contribution’’ or previously set in 2008 is 0.75 ppm. The distinguished from the separate ‘‘nearby’’ for purposes of designations.3 2015 ozone NAAQS retain the same unclassifiable category. In a few Section 301(d) of the CAA authorizes general form and averaging time as the instances, based on circumstances the EPA to approve eligible Indian tribes 2008 ozone NAAQS. where some monitoring data are to implement provisions of the CAA on The primary ozone standards provide available but are not sufficient for a Indian reservations and other areas protection for children, older adults, determination that an area is or is not within the tribes’ jurisdiction. The and people with asthma or other lung attaining the NAAQS, the EPA has Tribal Authority Rule (TAR) (40 CFR diseases, and other at-risk populations designated an area as ‘‘unclassifiable.’’ part 49), which implements section against an array of adverse health effects Section 107(d)(1)(B) of the CAA 301(d) of the CAA, sets forth the criteria that include reduced lung function, requires the EPA to issue initial area and process for tribes to apply to the increased respiratory symptoms and designations within 2 years of EPA for eligibility to administer CAA pulmonary inflammation; effects that promulgating a new or revised NAAQS. programs. The designations process contribute to emergency department However, if the Administrator has contained in section 107(d) of the CAA visits or hospital admissions; and insufficient information to make these is included among those provisions mortality. The secondary ozone designations within that time frame, the determined to be appropriate by the standards protect against adverse effects EPA has the authority to extend the EPA for treatment of tribes in the same to the public welfare, including those deadline for designation decisions by up manner as states. Under the TAR, tribes related to impacts on sensitive to 1 additional year. generally are not subject to the same vegetation and forested ecosystems. By not later than 1 year after the submission schedules imposed by the promulgation of a new or revised CAA on states. As authorized by the V. What are the CAA requirements for NAAQS, each state governor is required TAR, tribes may seek eligibility to air quality designations? to recommend air quality designations, submit designation recommendations to When the EPA promulgates a new or including the appropriate boundaries the EPA. revised NAAQS, the EPA is required to for areas, to the EPA. (See CAA section VI. What is the chronology for this designate all areas in the country as 107(d)(1)(A).) The EPA reviews those designations rule and what guidance nonattainment, attainment, or state recommendations and is did the EPA provide? unclassifiable, pursuant to section authorized to make any modifications 107(d)(1) of the CAA. Section the Administrator deems necessary. The On February 25, 2016, the EPA issued 107(d)(1)(A)(i) of the CAA defines a statute does not define the term guidance for states and tribal agencies to nonattainment area as, ‘‘any area that ‘‘necessary,’’ but the EPA interprets this use for purposes of making designation does not meet (or that contributes to to authorize the Administrator to recommendations as required by CAA ambient air quality in a nearby area that modify designation recommendations section 107(d)(1)(A). (See February 25, does not meet) the national primary or that are inconsistent with the statutory 2016, memorandum from Janet G. secondary ambient air quality standard language, including modification of McCabe, Acting Assistant for the pollutant.’’ If an area meets recommended boundaries for Administrator, to Regional either prong of this definition, states nonattainment areas that are not Administrators, Regions 1–10, titled, should recommend and the EPA is supported by the facts or analysis. If the ‘‘Area Designations for the 2015 Ozone obligated to designate the area as EPA intends to modify a state’s National Ambient Air Quality ‘‘nonattainment.’’ CAA section recommendation, section 107(d)(1)(B) of Standards’’ (Designations Guidance)). 107(d)(1)(A)(ii) defines an attainment the CAA requires the EPA to notify the The Designations Guidance provided area as any area that does not meet the state of any such intended modifications the anticipated timeline for designations definition of nonattainment and that not less than 120 days prior to the EPA’s and identified important factors that the meets the NAAQS. CAA section promulgation of the final designation. EPA recommended states and tribes 107(d)(1)(A)(iii) provides that any area These notifications are commonly consider in making their that the EPA cannot designate on the known as the ‘‘120-day letters.’’ If the recommendations and that EPA basis of available information as state does not agree with the EPA’s intended to consider in promulgating meeting or not meeting the standards intended modification, the 120-day designations. These factors include air should be designated as period provides an opportunity for the quality data, emissions and emissions- ‘‘unclassifiable.’’ Historically for ozone, state to demonstrate to the EPA why it related data, meteorological data, the EPA has designated most areas that believes any modification proposed by geography/topography, and do not meet the definition of the EPA is inappropriate. If a state fails jurisdictional boundaries. In the nonattainment as ‘‘unclassifiable/ to provide any recommendation for an Designations Guidance, the EPA asked attainment.’’ This category includes area, in whole or in part, the EPA must that states and tribes submit their areas that have air quality monitoring promulgate a designation that the designation recommendations, data meeting the NAAQS and areas that Administrator deems appropriate. including appropriate area boundaries, The terms ‘‘contributes to’’ and do not have monitors but for which the to the EPA by October 1, 2016. The EPA ‘‘nearby’’ in the definition of a EPA has no evidence that the areas may had previously issued two guidance nonattainment area are not defined in be violating the NAAQS or contributing memoranda related to designating areas the statute and the EPA has discretion to a nearby violation. In the of Indian country that also apply for to interpret these ambiguous terms, designations for the 2015 ozone designations for the 2015 ozone based on considerations such as the NAAQS, the EPA has reversed the order NAAQS. (See December 20, 2011, nature of a specific pollutant, the types memorandum from Stephen D. Page, 2 See 80 FR 65296; October 26, 2015, for a of sources that may contribute to detailed explanation of the calculation of the 3-year violations, the form of the relevant 3 This view was confirmed in Catawba County v. 8-hour average and 40 CFR part 50, Appendix U. NAAQS, and any other relevant EPA, 571 F.3d 20 (D.C. Cir. 2009).

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Director, Office of Air Quality Planning court granted the motions in part and states are required to report all and Standards, to Regional Air ordered the EPA ‘‘to promulgate final monitored ozone air quality data and Directors, Regions I–X, titled, ‘‘Policy designations for all areas of the country associated quality assurance data within for Establishing Separate Air Quality except for the eight undesignated 90 days after the end of each quarterly Designations for Areas of Indian counties composing the San Antonio reporting period, and under 40 CFR part Country,’’ and December 20, 2011, area no later than April 30, 2018’’ and 58.15(a)(2) states are required to submit memorandum from Stephen D. Page, ‘‘to promulgate final designations for the annual summary reports and a data Director, Office of Air Quality Planning San Antonio area no later than 127 days certification letter to the EPA by May 1 and Standards, to Regional Air from the date of this order.’’ The for ozone air quality data collected in Directors, Regions I–X, titled, designation deadline for eight-county the previous calendar year. Thus, at the ‘‘Guidance to Regions for Working with San Antonio area is July 17, 2018. time of the 120-day letters, the most Tribes during the National Ambient Air On or about December 22, 2017, the recent certification obligation was for air Quality Standards (NAAQS) EPA sent 120-day letters to Governors quality data from 2016. In the 120-day Designations Process.’’) In the and tribal leaders notifying them of the notification letters to states, the EPA Designation Guidance, the EPA EPA’s preliminary response to their indicated that in order for the EPA to indicated the agency expected to designation recommendations for all consider air quality data for the period complete the initial designations for the areas of the country not designated in 2015–2017 in the final designation 2015 ozone NAAQS on a 2-year the November 2017 action, with the decisions for any area, a state must schedule, by October 1, 2017, consistent exception of eight counties in the San submit certified, quality assured 2015– with CAA 107(d)(1)(B)(i). Antonio metropolitan area. For the areas 2017 air quality monitoring data for the On November 6, 2017, the EPA addressed in the 120-day letters, the area to the EPA by February 28, 2018. designated as attainment/unclassifiable EPA requested that states and tribes Several states chose to submit early 2,646 counties,4 including tribal lands submit any additional information that certified air quality data for areas within within those counties, for which the they wanted the EPA to consider in their states. For those areas, the EPA is states recommended a designation of making final designation decisions by basing the final designation decisions attainment or attainment/unclassifiable. February 28, 2018, including any on air quality data from 2015–2017. This represents about 85 percent of the certified 2017 air quality monitoring counties in the U.S. The EPA also data. VIII. What are the ozone air quality designated a three-county area in Although not required by section classifications? 107(d)(2)(B) of the CAA, the EPA also Washington as unclassifiable as In accordance with CAA section provided a 30-day public comment recommended by the state. Consistent 181(a)(1), each area designated as period on the designation with the EPA’s Tribal Designation nonattainment for the ozone NAAQS is recommendations from states and tribes Guidance, the EPA designated two areas classified by operation of law at the and the EPA’s intended designations of Indian country (Fond du Lac Band of same time as the area is designated by addressed in the 120-day letters to states Lake Superior Chippewa Indians and the EPA. Under Subpart 2 of part D of and tribes. The EPA announced the Forest County Potawatomi Community) title I of the CAA, state planning and public comment period in the Federal as separate attainment/unclassifiable emissions control requirements for Register on January 5, 2018 (83 FR 651). areas. ozone are determined, in part, by a In that notice, the EPA indicated that On December 4, 2017, a coalition of nonattainment area’s classification. The the agency intended to complete the environmental and health organizations ozone nonattainment areas are classified designations for the areas addressed in filed suit against the Administrator based on the severity of their ozone the responses to states and tribes by claiming that EPA failed to meet its levels (as determined based on the April 30, 2018. mandatory obligation to designate all area’s ‘‘design value,’’ which represents State and tribal recommendations and areas of the United States for the 2015 air quality in the area for the most ozone NAAQS by October 1, 2017. the EPA’s preliminary responses are recent 3 years).5 The possible American Lung Association, et al. v. posted on EPA’s website at https:// classifications are Marginal, Moderate, Pruitt (N.D. Cal. No. 4:17–cv–06900). A www.epa.gov/ozone-designations and Serious, Severe, and Extreme. coalition of 15n states also filed a are available in the docket for the Nonattainment areas with a ‘‘lower’’ similar suit on December 5, 2017. State designations action. Comments from the classification have ozone levels that are of California v. Pruitt (N.D. Cal. No. states, tribes and the public, and EPA’s closer to the standard than areas with a 4:17–cv–06936). The United States responses to significant comments, are ‘‘higher’’ classification. Areas in the District Court for the Northern District also available in the docket in the lower classification levels have fewer of California heard arguments on individual technical support documents and/or less stringent mandatory air plaintiffs’ motions for summary for specific areas and in a Response to quality planning and control judgment in both cases on February 22, Comments document. requirements than those in higher 2018. In a March 12, 2018, order, the VII. What air quality data has the EPA classifications. On March 9, 2018 (83 FR used to designate areas for the 2015 10376), the EPA published the 4 Any reference to ‘‘counties’’ in this action also includes non-county administrative or statistical ozone NAAQS? Classifications Rule that establishes how areas that are comparable to counties. Louisiana The final ozone designations in this the statutory classifications will apply parishes; the organized boroughs of Alaska; the action are based primarily on air quality for the 2015 ozone NAAQS, including District of Columbia; and the independent cities of the air quality thresholds for each the states of Virginia, Maryland, Missouri, and monitoring data from the years 2014– Nevada are equivalent to counties for 2016, which were the most recent data classification category. Each administrative purposes. Alaska’s Unorganized that states were required to certify at the 5 Borough is divided into 10 census areas that are time the EPA notified the states of its The air quality design value for the 8-hour statistically equivalent to counties. As of 2017, ozone NAAQS is the 3-year average of the annual there are currently 3,142 counties and county- intended modifications to their 4th highest daily maximum 8-hour average ozone equivalents in the U.S. recommendations. Under 40 CFR 58.16, concentration. See 40 CFR part 50, Appendix U.

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nonattainment area’s design value, used to establish the classification for based on the most recent 3 years of the area. See Table 1. certified air quality monitoring data, is

TABLE 1—CLASSIFICATION THRESHOLDS FOR THE 2015 OZONE NAAQS [0.070 ppm]

8-hour ozone Nonattainment area classification design value (ppm)

Marginal ...... from ...... 0.071 up to * ...... 0.081 Moderate ...... from ...... 0.081 up to * ...... 0.093 Serious ...... from ...... 0.093 up to * ...... 0.105 Severe-15 ...... from ...... 0.105 up to * ...... 0.111 Severe-17 ...... from ...... 0.111 up to * ...... 0.163 Extreme ...... equal to or above ...... 0.163 * but not including

The regulatory tables included at the nonattainment areas in California for the California areas originally proposed. end of this action provide the 2015 ozone NAAQS, unless the state of The following areas are voluntarily classification for each designated California explicitly requested reclassified to a higher classification for nonattainment area for the 2015 ozone otherwise in their comments on that the 2015 ozone NAAQS: Ventura NAAQS based on the design value for proposal (November 17, 2016; 81 FR County, CA—Serious; Riverside County the area and the classification 81285).6 These areas included Los (Coachella Valley), CA—Severe-15; Los thresholds established in the Angeles-South Coast Air Basin, San Angeles-San Bernardino Counties (West Classification Rule. Joaquin Valley, Riverside County Mojave Desert), CA—Severe-15; Los (Coachella Valley), Sacramento Metro, IX. What action is EPA taking to Angeles-South Coast Air Basin, CA— Ventura County and Los Angeles-San reclassify five California nonattainment Extreme; and San Joaquin Valley, CA— Bernardino Counties (Western Mojave) areas? Extreme. These classifications are areas. The EPA believes this is an reflected in the tables at the end of this The CAA provides states with a appropriate mechanism to address final rule. mechanism for addressing attainment planning for these California nonattainment areas that may not be areas that were voluntarily reclassified X. How can states request that an area able to attain by the attainment date for for the 1997 ozone NAAQS and within 5 percent of the upper or lower their classification. Pursuant to CAA previously used this mechanism for the limit of a classification threshold be section 181(b)(3), a state may 2008 ozone NAAQS. The reclassified? voluntarily request that the EPA reclassifications will ensure that these Under CAA section 181(a)(4), an reclassify a nonattainment area to a areas will have an attainment date for ozone nonattainment area may be higher classification. The EPA may not the 2015 ozone NAAQS that is no reclassified to a higher or lower deny and must approve any such earlier than the areas’ attainment date classification (also known as a voluntary reclassification requests. Once for the 2008 ozone NAAQS. The EPA classification bump up or a bump down) an area is reclassified to a higher proposed this approach in order to ‘‘if an area classified under paragraph classification, it becomes subject to the minimize the burden on the state of (1) (Table 1) would have been classified associated additional planning and California to separately initiate the in another category if the design value control requirements for that higher voluntary reclassification process again. in the area were 5 percent greater or 5 classification, and must attain the Areas for which California declined percent less than the level on which standard no later than the maximum voluntary reclassification would be such classification was based.’’ That attainment date for that classification. classified at the time of designation for section also states that, ‘‘In making such Six nonattainment areas in California the 2015 ozone NAAQS based on the adjustment, the Administrator may were granted voluntary reclassifications most recent 3 years of certified air consider the number of exceedances of to a higher classification for both the quality monitoring data. In response to the national primary ambient air quality 1997 and 2008 ozone NAAQS. For the EPA’s proposal, California declined standard for ozone in the area, the level 2008 ozone NAAQS, the EPA proposed reclassification only for the Sacramento of pollution transport between the area to interpret the voluntary Metro area. and other affected areas, including both reclassification requests for the 1997 Consistent with the comments intrastate and interstate transport, and ozone NAAQS to also apply for the received from the state of California on the mix of sources and air pollutants in more stringent 2008 ozone NAAQS, the November 2016 proposal, the EPA is the area.’’ unless the state expressly requested applying previous voluntary As noted in the preamble to the rule otherwise. As part of the proposal for reclassifications for five of the six designating and classifying areas the Classifications Rule for the 2015 following enactment of the CAA NAAQS, the EPA proposed to again 6 Proposed rule, ‘‘Implementation of the 2015 Amendments of 1990, the provisions of National Ambient Air Quality Standards for Ozone: apply previous voluntary Nonattainment Area Classifications and State section 181(a)(4) grant the reclassifications for potential Implementation Plan Requirements.’’ Administrator broad discretion in

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making, or determining not to make, a established the same method and C. Timing of the Five Percent reclassification. (See 56 FR 56698; criteria for the purpose of evaluating Reclassifications November 6, 1991.) In that designation any reclassification requests under CAA action, the EPA provided criteria to section 181(a)(4) for the 1997 and 2008 A Governor or eligible tribal evaluate in determining whether it is ozone NAAQS. The EPA intends to governing body of any area who wishes appropriate to reclassify a particular continue to use this same approach for to pursue a reclassification should area. Because CAA section 181(b)(3) purposes of evaluating any requests for submit all requests and supporting provides that the EPA must grant any a reclassification for the 2015 ozone documentation to the EPA Regional state request to reclassify an area to a NAAQS. For reclassifications Office by July 5, 2018. This relatively higher classification, the EPA focused downwards, states may only request a short time frame is necessary because these criteria primarily on how the EPA reclassification to the next lower CAA section 181(a)(4) only authorizes would assess requests for a lower classification, and air quality data from the Administrator to make such classification. These criteria are: prior years cannot be used as reclassifications within 90 days after the Request by state: The EPA does not justification to be reclassified to an even initial classification. The EPA will make intend to exercise its authority to lower classification. its decision by September 4, 2018. reclassify areas on the EPA’s own XI. Determining Rural Transport Areas initiative. Rather, the EPA intends to A. Five Percent Reclassifications to a Lower Classification rely on the state to submit a request for CAA section 182(h) sets out general a reclassification. A tribe may also For an area to be eligible to be criteria for determining whether an area submit such a request and, in the case reclassified to a lower classification qualifies as a Rural Transport Area of a multi-state nonattainment area, all under section 181(a)(4), the area’s (RTA). The statute defines a RTA as an affected states must submit the same design value must be within 5 percent area which is designated nonattainment reclassification request. of the upper limit for the next lower and neither includes nor is adjacent to Discontinuity: A 5 percent classification. For example, an area with any part of a metropolitan statistical reclassification must not result in an a Moderate design value of no more area or consolidated metropolitan illogical or excessive discontinuity than 0.085 ppm would be eligible to statistical area as defined at the time of relative to surrounding areas. In request a reclassification to Marginal the 1990 CAA amendments. In such particular, in light of the area-wide because 0.085 ppm is 5 percent more cases, the Administrator has discretion nature of ozone formation, a than the upper limit of 0.081 ppm for to treat the area as a RTA based on a reclassification should not create a the Marginal classification. Accordingly, finding that the emissions within the ‘‘donut hole’’ where an area of one areas with the following design values area do not make a significant classification is surrounded by areas of may be eligible to request a contribution to the ozone concentrations higher classification. reclassification to the next lower measured in the area or in other areas. Attainment: Evidence should be classification: Moderate areas with a The EPA provided guidance on available that the proposed area would design value of 0.085 ppm or less; requesting RTA treatment in the be able to attain by the earlier date Serious areas with a design value of February 25, 2016, memorandum ‘‘Area specified by the lower classification in 0.097 ppm or less; Severe areas with a Designations for the 2015 Ozone the case of a reclassification downward. design value of 0.110 ppm or less; and National Ambient Air Quality Emissions reductions: Evidence for Extreme areas with a design value of Standards.’’ A RTA, regardless of its should be available that the area would 0.171 ppm or less. nonattainment classification, is treated be very likely to achieve the appropriate B. Five Percent Reclassifications to a as meeting the applicable requirements total percent emission reduction Higher Classification of CAA section 182 (generally relating to necessary in order to attain in the submissions required for ozone shorter time period for a reclassification An ozone nonattainment area may nonattainment areas) if the area meets downward. also be reclassified under section the submission requirements of a Trends: Near- and long-term trends in 181(a)(4) to the next higher Marginal area. emissions and air quality should classification. As with 5 percent support a reclassification. Historical air reclassifications to a lower Two states requested that the EPA quality data should indicate substantial classification, the EPA does not intend find a nonattainment area in their state air quality improvement for a to exercise its authority to reclassify to meet the criteria for treatment as a reclassification downward. Growth areas to a higher classification on the RTA. In a letter dated October 3, 2016, projections and emission trends should EPA’s own initiative. Rather, the EPA California requested that the EPA make support a reclassification downward. In intends to rely on the state to submit a a RTA determination for the Tuscan addition, the EPA will consider whether request for such a reclassification. Buttes nonattainment area. In a letter vehicle miles traveled and other Under this CAA provision, areas with dated April 20, 2017, Wisconsin indicators of emissions are increasing at the following design values are eligible requested that the EPA make a RTA higher than normal rates. to request a reclassification to the next determination for the Door County Years of data: The same years of higher classification: Marginal areas nonattainment area. The EPA has ozone air quality data used for the with a design value of 0.076 ppm or determined that the final nonattainment initial designation and classification more; Moderate areas with a design areas for Tuscan Buttes, California and should be used for reclassification value of 0.088 ppm or more; and Serious Door County, Wisconsin, meet the requests. areas with a design value of 0.099 ppm criteria for treatment as RTAs under For ozone areas designated in 1991, or more. Note, as discussed Section IX CAA section 182(h). Documentation the EPA approved reclassifications of this preamble, under a separate CAA supporting these determinations are when the area met the first requirement provision, a state may voluntarily contained in the final TSDs for (a request by the state to EPA) and at request that the EPA reclassify a California (section 20.0) and Wisconsin least some of the other criteria, and did nonattainment area to a higher (section 3.4), which are available in the not violate any of the criteria (emissions classification at any time and the EPA public docket for this final action. This reductions, trends, etc.). The EPA must approve the request. determination is reflected in the

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regulatory tables in 40 CFR part 81 for addresses designation determinations E. Unfunded Mandates Reform Act each state. for the 2015 ozone NAAQS. In addition, (UMRA) nonattainment areas are being classified XII. How do designations affect Indian This action does not contain any according to the severity of their ozone country? unfunded mandate as described in air quality problems. Area designations UMRA, 2 U.S.C. 1531–1538 and does All state areas listed in the tables at address environmental justice concerns not significantly or uniquely affect small the end of this document are designated by ensuring that the public is properly governments. The action imposes no as indicated, and include Indian informed about the air quality in an enforceable duty on any state, local or country geographically located within area. In locations where air quality does tribal governments or the private sector. such areas, except as otherwise noted. not meet the NAAQS, the CAA requires Information pertaining to areas of Indian relevant state authorities to initiate F. Executive Order 13132: Federalism country in these tables is intended for appropriate air quality management This action does not have federalism CAA planning purposes only and is not actions to ensure that all those residing, implications. It will not have substantial an EPA determination of Indian country working, attending school, or otherwise direct effects on the states, on the land status or any Indian country present in those areas are protected, relationship between the national boundary. The EPA lacks the authority regardless of minority and economic government and the states, or on the to establish Indian country land status, status. distribution of power and and is making no determination of responsibilities among the various XV. Statutory and Executive Order Indian country boundaries in the tables. levels of government. The division of Reviews Consistent with the EPA’s Tribal responsibility between the federal Designation Guidance, and at the A. Executive Order 12866: Regulatory government and the states for purposes request of the tribes, the EPA is Planning and Review and Executive of implementing the NAAQS is designating certain lands of the Order 13563: Improving Regulation and established under the CAA. Pechanga Tribe and the Morongo Tribe Regulatory Review in Southern California as separate G. Executive Order 13175: Consultation nonattainment areas.7 For all other This action is exempt from review by and Coordination With Indian Tribal areas, the EPA is designating areas of the Office of Management and Budget Governments Indian country along with the adjacent/ because it responds to the CAA This action has tribal implications. surrounding state area(s). Where requirement to promulgate air quality However, it will neither impose nonattainment areas include both designations after promulgation of a substantial direct compliance costs on Indian country and state land, new or revised NAAQS. federally recognized tribal governments, coordinated planning will help ensure nor preempt tribal law. that the planning decisions made by the B. Executive Order 13771: Reducing The EPA consulted with tribal states and tribes complement each other Regulations and Controlling Regulatory officials early in the process of and that the nonattainment area makes Costs developing this regulation to permit progress toward attainment and This action is not an Executive Order them to have meaningful and timely ultimately attains the 2015 ozone 13771 regulatory action because actions input into its development. At the NAAQS. such as air quality designations after beginning of the designations process, XIII. Where can I find information promulgating a new revised NAAQS are letters were sent to all tribes who were forming the basis for this rule and exempt from review under Executive expected to be impacted by designations exchanges between the EPA, states, and Order 12866. for the 2015 ozone NAAQS. These tribes related to this rule? letters not only informed the tribes of C. Paperwork Reduction Act (PRA) the overall designations process, but Information providing the basis for also offered the tribes consultation to this action is provided in the docket for This action does not impose an ensure early communication and this rulemaking. The applicable EPA information collection burden under the coordination. Additionally, letters were guidance memoranda and copies of PRA. This action fulfills the non- sent to potentially affected tribes correspondence regarding this process discretionary duty for the EPA to indicating the EPA’s intended between the EPA and the states, tribes, promulgate air quality designations after designations for their areas of Indian and other parties are available for promulgation of a new or revised country. To the extent possible, the EPA review at the EPA Docket Center listed NAAQS and does not contain any included the tribes’ input into the final above in the addresses section of this information collection activities. decision-making process for document, and on the EPA’s ozone D. Regulatory Flexibility Act (RFA) designations of their areas of Indian designation website at https:// country for the 2015 ozone NAAQS. www.epa.gov/ozone-designations. State- This designation action under CAA specific information is available from section 107(d) is not subject to the RFA. H. Executive Order 13045: Protection of the EPA Regional Offices at the The RFA applies only to rules subject to Children From Environmental Health addresses at the top of this Preamble. notice-and-comment rulemaking and Safety Risks XIV. Environmental Justice Concerns requirements under the APA, 5 U.S.C. The EPA interprets Executive Order 553, or any other statute. Section 13045 as applying to those regulatory When the EPA establishes a new or 107(d)(2)(B) of the CAA explicitly actions that concern environmental revised NAAQS, the CAA requires the provides that designations are exempt health or safety risks that the EPA has EPA to designate all areas of the U.S. as from the notice-and-comment reason to believe may either nonattainment, attainment, or provisions of the APA. In addition, disproportionately affect children, per unclassifiable. This final action designations under CAA section 107(d) the definition of ‘‘covered regulatory are not among the list of actions that are action’’ in section 2–202 of the 7 Designation guidance for the 2015 ozone NAAQS is available at https://www.epa.gov/ozone- subject to the notice-and-comment Executive Order. This action is not designations/epa-guidance-area-designations-2015- rulemaking requirements of CAA subject to Executive Order 13045 ozone-naaqs. section 307(d). because it does not establish an

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environmental standard intended to actions by the EPA. This section designations apply to areas across the mitigate health or safety risks. provides, in part, that petitions for country. In these circumstances, CAA review must be filed in the Court of section 307(b)(1) and its legislative I. Executive Order 13211: Actions That Appeals for the District of Columbia history calls for the Administrator to Significantly Affect Energy Supply, Circuit for: (i) ‘‘any nationally find the rule to be of ‘‘nationwide scope Distribution or Use applicable regulations promulgated, or or effect’’ and for venue to be in the This action is not subject to Executive final actions taken, by the District of Columbia Circuit. Order 13211 because it is not a Administrator,’’ or (ii) when such action Thus, any petitions for review of these significant regulatory action under is locally or regionally applicable, ‘‘if final designations must be filed in the Executive Order 12866. such action is based on a determination Court of Appeals for the District of J. National Technology Transfer and of nationwide scope or effect and if in Columbia Circuit within 60 days from Advancement Act (NTTAA) taking such action the Administrator the date of this final action is published finds and publishes that such action is in the Federal Register. This rulemaking does not involve based on such a determination.’’ List of Subjects in 40 CFR Part 81 technical standards. This rule that designates areas for the K. Executive Order 12898: Federal 2015 ozone NAAQS is ‘‘nationally Environmental protection, Air Actions To Address Environmental applicable’’ within the meaning of CAA pollution control, National parks, Justice in Minority Populations and section 307(b)(1). This rule establishes Wilderness areas. Low-Income Populations designations for areas across the U.S. for Dated: April 30, 2018 The EPA believes that this action does the 2015 ozone NAAQS. At the core of E. Scott Pruitt, not have disproportionately high and this rulemaking is the EPA’s Administrator. interpretation of the designation adverse human health or environmental For the reasons set forth in the effects on minority populations, low- provisions in section 107(d)(1) of the CAA, and its application of that preamble, 40 CFR part 81 is amended as income populations and/or indigenous follows: peoples, as specified in Executive Order interpretation to areas across the country. 12898 (59 FR 7629, February 16, 1994). PART 81—DESIGNATIONS OF AREAS The documentation for this For these reasons, the Administrator FOR AIR QUALITY PLANNING determination is contained in Section also is determining that the final PURPOSES XIII of this preamble, ‘‘Environmental designations are of nationwide scope Justice Concerns.’’ and effect for the purposes of CAA ■ 1. The authority citation for part 81 section 307(b)(1). This is particularly continues to read as follows: L. Congressional Review Act (CRA) appropriate because, in the report on the Authority: 42 U.S.C. 7401, et seq. This action is subject to the CRA, and 1977 Amendments that revised section the EPA will submit a rule report to 307(b)(1) of the CAA, Congress noted Subpart C—Section 107 Attainment each House of the Congress and to the that the Administrator’s determination Status Designations Comptroller General of the U.S. This that an action is of ‘‘nationwide scope action is not a ‘‘ rule’’ as defined or effect’’ would be appropriate for any ■ 2. Section 81.302 is amended by by 5 U.S.C. 804(2). action that has a scope or effect beyond revising the table titled ‘‘Alaska—2015 a single judicial circuit. H.R. Rep. No. M. Judicial Review 8-Hour Ozone NAAQS (Primary and 95–294 at 323, 324, reprinted in 1977 Secondary)’’ to read as follows: Section 307(b)(1) of the CAA indicates U.S.C.C.A.N. 1402–03. Here, the scope which Federal Courts of Appeal have and effect of this rulemaking extends to § 81.302 Alaska. venue for petitions for review of final numerous judicial circuits since the * * * * * ALASKA—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date Type

Aleutians East Borough ...... 1/16/18 Attainment/ Unclassifiable. Aleutians West Census Area ...... 1/16/18 Attainment/ Unclassifiable. Anchorage Municipality ...... Attainment/ Unclassifiable. Bethel Census Area ...... 1/16/18 Attainment/ Unclassifiable. Bristol Bay Borough ...... 1/16/18 Attainment/ Unclassifiable. Denali Borough ...... 1/16/18 Attainment/ Unclassifiable. Dillingham Census Area ...... 1/16/18 Attainment/ Unclassifiable. Fairbanks North Star Borough ...... 1/16/18 Attainment/ Unclassifiable. Haines Borough ...... 1/16/18 Attainment/ Unclassifiable. Hoonah-Angoon Census Area ...... 1/16/18 Attainment/ Unclassifiable. Juneau City and Borough ...... 1/16/18 Attainment/ Unclassifiable.

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ALASKA—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date Type

Kenai Peninsula Borough ...... 1/16/18 Attainment/ Unclassifiable. Ketchikan Gateway Borough ...... 1/16/18 Attainment/ Unclassifiable. Kodiak Island Borough ...... 1/16/18 Attainment/ Unclassifiable. Kusilvak Census Area ...... 1/16/18 Attainment/ Unclassifiable. Lake and Peninsula Borough ...... 1/16/18 Attainment/ Unclassifiable. Matanuska-Susitna Borough ...... Attainment/ Unclassifiable. Nome Census Area ...... 1/16/18 Attainment/ Unclassifiable. North Slope Borough ...... 1/16/18 Attainment/ Unclassifiable. Northwest Arctic Borough ...... 1/16/18 Attainment/ Unclassifiable. Petersburg Borough ...... 1/16/18 Attainment/ Unclassifiable. Prince of Wales-Hyder Census Area ...... 1/16/18 Attainment/ Unclassifiable. Sitka City and Borough ...... 1/16/18 Attainment/ Unclassifiable. Skagway Municipality ...... 1/16/18 Attainment/ Unclassifiable. Southeast Fairbanks Census Area ...... 1/16/18 Attainment/ Unclassifiable. Valdez-Cordova Census Area ...... 1/16/18 Attainment/ Unclassifiable. Wrangell City and Borough ...... 1/16/18 Attainment/ Unclassifiable. Yakutat City and Borough ...... 1/16/18 Attainment/ Unclassifiable. Yukon-Koyukuk Census Area ...... 1/16/18 Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * 8-Hour Ozone NAAQS (Primary and § 81.303 Arizona. ■ 3. Section 81. 303 is amended by Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘Arizona—2015 ARIZONA—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Phoenix-Mesa, AZ ...... Nonattainment ...... Marginal. Gila County (part): T2N, R12E (except that portion in Maricopa County); T3N, R12E (except that por- tion in Maricopa County); T4N, R12E (Sections 25 through 29 (except those por- tions in Maricopa County) and 33 through 36 (except those portions in Maricopa County)). Maricopa County (part):

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ARIZONA—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

T1N, R1E (except that portion in Indian Country); T1N, R2E; T1N, R3E; T1N, R4E (except that portion in Indian Country); T1N, R5E (except that portion in Indian Country); T1N, R6E; T1N, R7E; T1N, R1W; T1N, R2W; T1N, R3W; T1N, R4W; T1N, R5W; T1N, R6W; T1N, R7W; T1N, R8W; T2N, R1E; T2N, R2E; T2N, R3E; T2N, R4E; T2N, R6E (except that portion in Indian Country); T2N, R7E (except that portion in Indian Country); T2N, R8E; T2N, R9E; T2N, R10E; T2N, R11E; T2N, R12E (except that portion in Gila County); T2N, R13E (except that portion in Gila County); T2N, R1W; T2N, R2W; T2N, R3W; T2N, R4W; T2N, R5W; T2N, R6W; T2N, R7W; T2N, R8W; T3N, R1E; T3N, R2E; T3N, R3E; T3N, R4E; T3N, R5E (except that portion in Indian Country); T3N, R6E (except that portion in In- dian Country); T3N, R7E (except that portion in Indian Country); T3N, R8E; T3N, R9E; T3N, R10E (except that portion in Gila County); T3N, R11E (except that portion in Gila County); T3N, R12E (except that portion in Gila County); T3N, R1W; T3N, R2W T3N, R3W; T3N, R4W; T3N, R5W; T3N, R6W; T4N, R1E; T4N, R2E; T4N, R3E; T4N, R4E; T4N, R5E; T4N, R6E (except that portion in Indian Country); T4N, R7E (except that portion in Indian Country); T4N, R8E T4N, R9E; T4N, R10E (except that portion in Gila County); T4N, R11E (except that portion in Gila County); T4N, R12E (except that portion in Gila County); T4N, R1W; T4N, R2W; T4N, R3W; T4N, R4W; T4N, R5W; T4N, R6W; T5N, R1E; T5N, R2E; T5N, R3E; T5N, R4E; T5N, R5E; T5N, R6E; T5N, R7E; T5N, R8E; T5N, R9E (except that portion in Gila County); T5N, R10E (except that portion in Gila County); T5N, R1W; T5N, R2W; T5N, R3W; T5N, R4W; T5N, R5W; T6N, R1E (except that por- tion in Yavapai County); T6N, R2E; T6N, R3E; T6N, R4E; T6N, R5E; T6N, R6E; T6N, R7E; T6N, R8E; T6N, R9E (except that portion in Gila County); T6N, R10E (except that portion in Gila County); T6N, R1W (except that portion in Yavapai County); T6N, R2W; T6N, R3W; T6N, R4W; T6N, R5W; T7N, R1E (except that portion in Yavapai County); T7N, R2E (except that portion in Yavapai County); T7N, R3E; T7N, R4E; T7N, R5E; T7N, R6E; T7N, R7E; T7N, R8E; T7N, R9E (ex- cept that portion in Gila County); T7N, R1W (except that portion in Yavapai Coun- ty); T7N, R2W (except that portion in Yavapai County); T8N, R2E (except that portion in Yavapai County); T8N, R3E (except that portion in Yavapai County); T8N, R4E (except that portion in Yavapai County); T8N, R5E (except that portion in Yavapai County); T8N, R6E (except that portion in Yavapai County); T8N, R7E (except that portion in Yavapai County); T8N, R8E (except that portion in Yavapai and Gila Counties); T8N, R9E (except that portion in Yavapai and Gila Counties); T1S, R1E (except that portion in Indian Country); T1S, R2E (except that portion in Pinal County and in Indian Country); T1S, R3E; T1S, R4E; T1S, R5E; T1S, R6E; T1S, R7E; T1S, R1W; T1S, R2W; T1S, R3W; T1S, R4W; T1S, R5W; T1S, R6W; T2S, R1E (except that portion in Indian Country); T2S, R5E; T2S, R6E; T2S, R7E; T2S, R1W; T2S, R2W; T2S, R3W; T2S, R4W; T2S, R5W; T3S, R1E; T3S, R1W; T3S, R2W; T3S, R3W; T3S, R4W; T3S, R5W; T4S, R1E; T4S, R1W; T4S, R2W; T4S, R3W; T4S, R4W; T4S, R5W; T5S, R4W (Sections 1 through 22 and 27 through 34). Pinal County (part): T1N, R8E; T1N, R9E; T1N, R10E; T1S, R8E; T1S, R9E; T1S, R10E; T2S, R8E (Sections 1 through 10, 15 through 22, and 27 through 34); T2S, R9E (Sections 1 through 6); T2S, R10E (Sections 1 through 6); T3S, R7E (Sections 1 through 6, 11 through 14, 23 through 26, and 35 through 36); T3S, R8E (Sections 3 through 10, 15 through 22, and 27 through 34). Fort McDowell Yavapai Nation: Gila River Indian Community of the Gila River Indian Reservation, Arizona. Includes only non-contiguous areas of Indian country known as ‘‘parcels M & N’’.3 Tohono O’odham Nation of Arizona: Salt River Pima-Maricopa Indian Community of the Salt River Reservation. Yuma, AZ ...... Nonattainment ...... Marginal. Yuma County (part): That portion within Yuma County of the area described by the following: 1. Bounded on the north and west by the Arizona state line. 2. Bounded on the south by the line of latitude at 32°39′20″ N. 3. Bounded on the east by the line of longitude 114°33′50″ W. 4. And excluding the sections 10, 11, and 12 of township T9S, R23W and any por- tion in Indian Country. Cocopah Tribe of Arizona. Quechan Tribe of the Fort Yuma Indian Reservation. Gila River Indian Community of the Gila River Indian Reservation, Arizona ...... Attainment/ Unclassifiable. Includes the contiguous main body of the reservation, excluding non-contiguous areas of Indian country known as ‘‘parcels M & N’’.3 Rest of State ...... Attainment/ Unclassifiable. Apache County ...... 1/16/18 Cochise County ...... 1/16/18 Coconino County. Gila County (part) remainder. Graham County. Greenlee County. La Paz County. Maricopa County (part) remainder.

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Designation Classification Designated area 1 Date 2 Type Date 2 Type

Mohave County. Navajo County. Pima County. Pinal County (part) remainder. Santa Cruz County ...... 1/16/18 Yavapai County. Yuma County (part) remainder. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted. 3 See Section 3.0 of the EPA’s technical support document for Arizona, titled ‘‘Arizona Final Area Designations for the 2015 Ozone National Ambient Air Quality Standards Technical Support Document (TSD),’’ for more information and a map showing the locations of ‘‘parcels M & N’’ (available in Docket ID: EPA–HQ–OAR– 2017–0548).

* * * * * 2015 8-Hour Ozone NAAQS (Primary § 81.305 California. ■ 4. Section 81.305 is amended by and Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘California— CALIFORNIA—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Amador County, CA ...... Nonattainment ...... Marginal. Amador County: Buena Vista Rancheria of Me-Wuk Indians of California. Jackson Band of Miwuk Indians. Calaveras County, CA ...... Nonattainment ...... Marginal. Calaveras County: California Valley Miwok Tribe. Butte County, CA ...... Nonattainment ...... Marginal. Butte County: Berry Creek Rancheria of Maidu Indians of California. Rancheria of Maidu Indians of California. Mechoopda Indian Tribe of Chico Rancheria. Mooretown Rancheria of Maidu Indians of California. Imperial County, CA ...... Nonattainment ...... Marginal. Imperial County: Quechan Tribe of the Fort Yuma Indian Reservation. Torres Martinez Desert Cahuilla Indians. Kern County (Eastern Kern), CA ...... Nonattainment ...... Moderate. Kern County (part): That portion of Kern County (with the exception of that portion in Hydrologic Unit Number 18090205—the Indian Wells Valley) east and south of a line described as follows: Beginning at the Kern-Los Angeles County boundary and running north and east along the northwest boundary of the Rancho La Liebre Land Grant to the point of intersection with the range line common to Range 16 West and Range 17 West, San Bernardino Base and Meridian; north along the range line to the point of intersection with the Rancho El Tejon Land Grant boundary; then southeast, northeast, and northwest along the boundary of the Rancho El Tejon Grant to the northwest corner of Section 3, Township 11 North, Range 17 West; then west 1.2 miles; then north to the Rancho El Tejon Land Grant boundary; then northwest along the Rancho El Tejon line to the southeast corner of Section 34, Township 32 South, Range 30 East, Mount Diablo Base and Meridian; then north to the northwest corner of Section 35, Township 31 South, Range 30 East; then northeast along the boundary of the Rancho El Tejon Land Grant to the southwest corner of Section 18, Township 31 South, Range 31 East; then east to the southeast corner of Section 13, Township 31 South, Range 31 East; then north along the range line common to Range 31 East and Range 32 East, Mount Diablo Base and Meridian, to the northwest corner of Section 6, Township 29 South, Range 32 East; then east to the southwest corner of Section 31, Township 28 South, Range 32 East; then north along the range line common to Range 31 East and Range 32 East to the northwest corner of Section 6, Township 28 South, Range 32 East, then west to the southeast corner of Section 36, Township 27 South, Range 31 East, then north along the range line common to Range 31 East and Range 32 East to the Kern-Tulare County boundary. Los Angeles-San Bernardino Counties (West Mojave Desert), CA ...... Nonattainment ...... Severe-15. Los Angeles County (part):

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That portion of Los Angeles County which lies north and east of a line described as follows: Beginning at the Los Angeles-San Bernardino County boundary and run- ning west along the Township line common to Township 3 North and Township 2 North, San Bernardino Base and Meridian; then north along the range line com- mon to Range 8 West and Range 9 West; then west along the Township line common to Township 4 North and Township 3 North; then north along the range line common to Range 12 West and Range 13 West to the southeast corner of Section 12, Township 5 North and Range 13 West; then west along the south boundaries of Sections 12, 11, 10, 9, 8, and 7, Township 5 North and Range 13 West to the boundary of the Angeles National Forest which is collinear with the range line common to Range 13 West and Range 14 West; then north and west along the Angeles National Forest boundary to the point of intersection with the Township line common to Township 7 North and Township 6 North (point is at the northwest corner of Section 4 in Township 6 North and Range 14 West); then west along the Township line common to Township 7 North and Township 6 North; then north along the range line common to Range 15 West and Range 16 West to the southeast corner of Section 13, Township 7 North and Range 16 West; then along the south boundaries of Sections 13, 14, 15, 16, 17, and 18, Township 7 North and Range 16 West; then north along the range line common to Range 16 West and Range 17 West to the north boundary of the Angeles Na- tional Forest (collinear with the Township line common to Township 8 North and Township 7 North); then west and north along the Angeles National Forest boundary to the point of intersection with the south boundary of the Rancho La Liebre Land Grant; then west and north along this land grant boundary to the Los Angeles-Kern County boundary. San Bernardino County (part): That portion of San Bernardino County which lies north and east of a line described as follows: Beginning at the San Bernardino-Riverside County boundary and run- ning north along the range line common to Range 3 East and Range 2 East, San Bernardino Base and Meridian; then west along the Township line common to Township 3 North and Township 2 North to the San Bernardino-Los Angeles County boundary; and that portion of San Bernardino County which lies south and west of a line described as follows: Latitude 35 degrees, 10 minutes north and longitude 115 degrees, 45 minutes west. Twenty-Nine Palms Band of Mission Indians of California. Los Angeles-South Coast Air Basin, CA ...... Nonattainment ...... Extreme. Los Angeles County (part): That portion of Los Angeles County which lies south and west of a line described as follows: Beginning at the Los Angeles-San Bernardino County boundary and run- ning west along the Township line common to Township 3 North and Township 2 North San Bernardino Base and Meridian; then north along the range line com- mon to Range 8 West and Range 9 West; then west along the Township line common to Township 4 North and Township 3 North; then north along the range line common to Range 12 West and Range 13 West to the southeast corner of Section 12, Township 5 North and Range 13 West; then west along the south boundaries of Sections 12, 11, 10, 9, 8, and 7, Township 5 North and Range 13 West to the boundary of the Angeles National Forest which is collinear with the range line common to Range 13 West and Range 14 West; then north and west along the Angeles National Forest boundary to the point of intersection with the Township line common to Township 7 North and Township 6 North (point is at the northwest corner of Section 4 in Township 6 North and Range 14 West); then west along the Township line common to Township 7 North and Township 6 North; then north along the range line common to Range 15 West and Range 16 West to the southeast corner of Section 13, Township 7 North and Range 16 West; then along the south boundaries of Sections 13, 14, 15, 16, 17, and 18, Township 7 North and Range 16 West; then north along the range line common to Range 16 West and Range 17 West to the north boundary of the Angeles Na- tional Forest (collinear with the Township line common to Township 8 North and Township 7 North); then west and north along the Angeles National Forest boundary to the point of intersection with the south boundary of the Rancho La Liebre Land Grant; then west and north along this land grant boundary to the Los Angeles-Kern County boundary. Orange County. Riverside County (part):

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That portion of Riverside County which lies to the west of a line described as fol- lows: Beginning at the Riverside-San Diego County boundary and running north along the range line common to Range 4 East and Range 3 East, San Bernardino Base and Meridian; then east along the Township line common to Township 8 South and Township 7 South; then north along the range line com- mon to Range 5 East and Range 4 East; then west along the southern bound- aries of Sections 25, 26, and 27, Township 7 South, Range 4 East, then North along the west boundaries of Sections 27, 22, 15, 10, and 3 Township 7 South, Range 4 East, then East along the Township line common to Township 6 South and Township 7 South to the southwest corner of Section 34, Township 6 South, Range 4 East; then north along the west boundaries of Sections 34, 27, 22, 15, 10, and 3, Township 6 South, Range 4 East; then west along the Township line common to Township 5 South and Township 6 South; then north along the range line common to Range 4 East and Range 3 East; then west along the south boundaries of Sections 13, 14, 15, 16, 17, and 18, Township 5 South, Range 3 East; then north along the range line common to Range 2 East and Range 3 East; to the Riverside-San Bernardino County line. San Bernardino County (part): That portion of San Bernardino County which lies south and west of a line de- scribed as follows: Beginning at the San Bernardino-Riverside County boundary and running north along the range line common to Range 3 East and Range 2 East, San Bernardino Base and Meridian; then west along the Township line common to Township 3 North and Township 2 North to the San Bernardino-Los Angeles County boundary. Cahuilla Band of Indians. Pechanga Band of Luisen˜o Mission Indians of the Pechanga Reservation: Includes only non-contiguous tribal lands known as the Meadowbrook parcel.3 Ramona Band of Cahuilla. San Manuel Band of Mission Indians. Soboba Band of Luisen˜o Indians. Mariposa County, CA ...... Nonattainment ...... Marginal. Mariposa County. Nevada County (Western part), CA ...... Nonattainment ...... Moderate. Nevada County (part): That portion of Nevada County, which lies west of a line, described as follows: Be- ginning at the Nevada-Placer County boundary and running north along the west- ern boundaries of Sections 24, 13, 12, 1, Township 17 North, Range 14 East, Mount Diablo Base and Meridian, and Sections 36, 25, 24, 13, 12, Township 18 North, Range 14 East to the Nevada-Sierra County boundary. Riverside County (Coachella Valley), CA ...... Nonattainment ...... Severe-15. Riverside County (part): That portion of Riverside County which lies to the east of a line described as fol- lows: Beginning at the Riverside-San Diego County boundary and running north along the range line common to Range 4 East and Range 3 East, San Bernardino Base and Meridian; then east along the Township line common to Township 8 South and Township 7 South; then north along the range line com- mon to Range 5 East and Range 4 East; then west along the Township line com- mon to Township 6 South and Township 7 South to the southwest corner of Sec- tion 34, Township 6 South, Range 4 East; then north along the west boundaries of Sections 34, 27, 22, 15, 10, and 3, Township 6 South, Range 4 East; then west along the Township line common to Township 5 South and Township 6 South; then north along the range line common to Range 4 East and Range 3 East; then west along the south boundaries of Sections 13, 14, 15, 16, 17, and 18, Township 5 South, Range 3 East; then north along the range line common to Range 2 East and Range 3 East; to the Riverside-San Bernardino County line. And that portion of Riverside County which lies to the west of a line described as follows: That segment of the southwestern boundary line of hydrologic Unit Num- ber 18100100 within Riverside County. Agua Caliente Band of Cahuilla Indians of the Agua Caliente Indian Reservation. Augustine Band of Cahuilla Indians. Cabazon Band of Mission Indians. Santa Rosa Band of Cahuilla Indians. Torres Martinez Desert Cahuilla Indians. Twenty-Nine Palms Band of Mission Indians of California. Sacramento Metro, CA ...... Nonattainment ...... Moderate. El Dorado County (part): All portions of the county except that portion of El Dorado County within the drain- age area naturally tributary to Lake Tahoe including said Lake. Placer County (part):

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All portions of the county except that portion of Placer County within the drainage area naturally tributary to Lake Tahoe including said Lake, plus that area in the vi- cinity of the head of the Truckee River described as follows: Commencing at the point common to the aforementioned drainage area crestline and the line com- mon to Townships 15 North and 16 North, Mount Diablo Base and Meridian, and following that line in a westerly direction to the northwest corner of Section 3, Township 15 North, Range 16 East Mount Diablo Base and Meridian, thence south along the west line of Sections 3 and 10, Township 15 North, Range 16 East, Mount Diablo Base and Meridian, to the intersection with the said drainage area crestline, thence following the said drainage area boundary in a southeast- erly, then northeasterly direction to and along the Lake Tahoe Dam, thence fol- lowing the said drainage area crestline in a northeasterly, then northwesterly di- rection to the point of beginning. Sacramento County. Solano County (part): That portion of Solano County which lies north and east of a line described as fol- lows: Beginning at the intersection of the westerly boundary of Solano County and the 1⁄4 section line running east and west through the center of Section 34; Township 6 North, Range 2 West, Mount Diablo Base and Meridian, thence east along said 1⁄4 section line to the east boundary of Section 36, Township 6 North, Range 2 West, thence south 1⁄2 mile and east 2.0 miles, more or less, along the west and south boundary of Los Putos Rancho to the northwest corner of Section 4, Township 5 North, Range 1 West, thence east along a line common to Town- ship 5 North and Township 6 North to the northeast corner of Section 3, Town- ship 5 North, Range 1 East, thence south along section lines to the southeast corner of Section 10, Township 3 North, Range 1 East, thence east along section lines to the south 1⁄4 corner of Section 8, Township 3 North, Range 2 East, thence east to the boundary between Solano and Sacramento Counties. Sutter County (part): Portion south of a line connecting the northern border of Yolo County to the SW tip of Yuba County and continuing along the southern Yuba County border to Placer County. Yolo County: Shingle Springs Band of Miwok Indians, Shingle Springs Rancheria. United Auburn Indian Community of the Auburn Rancheria of California. Wilton Rancheria. Yocha Dehe Wintun Nation. San Diego County, CA ...... Nonattainment ...... Moderate. San Diego County: Barona Group of Capitan Grande of Mission Indians of the Barona Reservation. Campo Band of Dieguen˜o Mission Indians of the Campo Indian Reservation. Capitan Grande Band of Dieguen˜o Mission Indians of California. Ewiiaapaayp Band of Kumeyaay Indians. Iipay Nation of Santa Ysabel. Inaja Band of Dieguen˜o Mission Indians of the Inaja and Cosmit Reservation. Jamul Indian Village of California. La Jolla Band of Luisen˜o Indians. La Posta Band of Dieguen˜o Mission Indians of the La Posta Indian Reservation. Los Coyotes Band of Cahuilla and Cupen˜o Indians. Manzanita Band of Dieguen˜o Mission Indians of the Manzanita Reservation. Mesa Grande Band of Dieguen˜o Mission Indians of the Mesa Grande Reservation. Pala Band of Mission Indians. Pauma Band of Luisen˜o Mission Indians of the Pauma and Yuima Reservation. Rincon Band of Luisen˜o Mission Indians of the Rincon Reservation. San Pasqual Band of Dieguen˜o Mission Indians of California. Sycuan Band of the Kumeyaay Nation. Viejas (Baron Long) Group of Capitan Grande Band of Mission Indians of the Viejas Reservation. San Francisco Bay Area, CA ...... Nonattainment ...... Marginal. Alameda County. Contra Costa County. Marin County. Napa County. San Francisco County. San Mateo County. Santa Clara County. Solano County (part): Portion of Solano County which lies south and west of a line described as follows: Beginning at the intersection of the westerly boundary of Solano County and the 1⁄4 section line running east and west through the center of Section 34, T6N, R2W, M.D.B. & M., thence east along said 1⁄4 section line to the east boundary of Section 36, T6N, R2W, thence south 1⁄2 mile and east 2.0 miles, more or less, along the west and south boundary of Los Putos Rancho to the northwest corner of Section 4, T5N, R1W, thence east along a line common to T5N and T6N to the northeast corner of Section 3, T5N, R1E, thence south along section lines to the southeast corner of Section 10, T3N, R1E, thence east along section lines to the south 1⁄4 corner of Section 8, T3N, R2E, thence east to the boundary between Solano and Sacramento Counties.

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Sonoma County (part): That portion of Sonoma County which lies south and east of a line described as fol- lows: Beginning at the southeasterly corner of the Rancho Estero Americano, being on the boundary line between Marin and Sonoma Counties, California; thence running northerly along the easterly boundary line of said Rancho Estero Americano to the northeasterly corner thereof, being an angle corner in the west- erly boundary line of Rancho Canada de Jonive; thence running along said boundary of Rancho Canada de Jonive westerly, northerly and easterly to its intersection with the easterly line of Graton Road; thence running along the eas- terly and southerly line of Graton Road, northerly and easterly to its intersection with the easterly line of Sullivan Road; thence running northerly along said eas- terly line of Sullivan Road to the southerly line of Green Valley Road; thence run- ning easterly along the said southerly line of Green Valley Road and easterly along the southerly line of State Highway 116, to the westerly line of Vine Hill Road; thence Running along the westerly and northerly line of Vine Hill Road, northerly and easterly to its intersection with the westerly line of Laguna Road; thence running northerly along the westerly line of Laguna Road and the northerly projection thereof to the northerly line of Trenton Road; thence running westerly along the northerly line of said Trenton Road to the easterly line of Trenton- Healdsburg Road; thence running northerly along said easterly line of Trenton- Healdsburg Road to the easterly line of Eastside Road; thence running northerly along said easterly line of Eastside Road to its intersection with the southerly line of Rancho Sotoyome; thence running easterly along said southerly line of Rancho Sotoyome to its intersection with the Township line common to Townships 8 and 9 North, M.D.M.; thence running easterly along said township line to its intersec- tion with the boundary line between Sonoma and Napa Counties. Federated Indians of Graton Rancheria. Lytton Rancheria of California. San Joaquin Valley, CA ...... Nonattainment ...... Extreme. Fresno County. Kern County (part): That portion of Kern County which lies west and north of a line described as fol- lows: Beginning at the Kern-Los Angeles County boundary and running north and east along the northwest boundary of the Rancho La Libre Land Grant to the point of intersection with the range line common to R. 16 W and R. 17 W, San Bernardino Base and Meridian; north along the range line to the point of intersec- tion with the Rancho El Tejon Land Grant boundary; then southeast, northeast, and northwest along the boundary of the Rancho El Tejon Land Grant to the northwest corner of S 3, T. 11 N, R. 17 W; then west 1.2 miles; then north to the Rancho El Tejon Land Grant boundary; then northwest along the Rancho El Tejon line to the southeast corner of S 34, T. 32 S, R. 30 E, Mount Diablo Base and Meridian; then north to the northwest corner of S 35, T. 31 S, R. 30 E; then northeast along the boundary of the Rancho El Tejon Land Grant to the south- west corner of S 18, T. 31 S, R. 31 E; then east to the southeast corner of S 13, T. 31 S, R. 31 E; then north along the range line common to R. 31 E and R. 32 E, Mount Diablo Base and Meridian, to the northwest corner of S 6, T. 29 S, R. 32 E; then east to the southwest corner of S 31, T. 28 S, R. 32 E; then north along the range line common to R. 31 E and R. 32 E to the northwest corner of S 6, T. 28 S, R. 32 E, then west to the southeast corner of S 36, T. 27 S, R. 31 E, then north along the range line common to R. 31 E and R. 32 E to the Kern- Tulare County boundary. Kings County. Madera County. Merced County. San Joaquin County. Stanislaus County. Tulare County: Big Sandy Rancheria of Western Mono Indians of California. Cold Springs Rancheria of Mono Indians of California. Northfork Rancheria of Mono Indians of California. Picayune Rancheria of Chukchansi Indians of California. Santa Rosa Indian Community of the Santa Rosa Rancheria. Table Mountain Rancheria of California. Tule River Indian Tribe of the Tule River Reservation. San Luis Obispo (Eastern part), CA ...... Nonattainment ...... Marginal. San Luis Obispo County (part): That portion of San Luis Obispo County that lies east of a line described as follows: Beginning at the San Luis Obispo County/Santa Barbara County boundary and running north along 120 degrees 24 minutes longitude to the intersection with 35 degrees 27 minutes latitude; east along 35 degrees 27 minutes latitude to the intersection with 120 degrees 18 minutes longitude; then north along 120 degrees 18 minutes longitude to the San Luis Obispo County/Monterey County boundary. Sutter Buttes, CA ...... Nonattainment ...... Marginal. Sutter County (part): That portion of the Sutter Buttes mountain range at or above 2,000 feet in elevation. Tuolumne County, CA ...... Nonattainment ...... Marginal. Tuolumne County: Chicken Ranch Rancheria of Me-Wuk Indians of California.

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Designation Classification Designated area 1 Date 2 Type Date 2 Type

Tuolumne Band of Me-Wuk Indians of the Tuolumne Rancheria of California. Tuscan Buttes, CA ...... Nonattainment ...... Marginal (Rural Transport). Tehama County (part): Those portions of the immediate Tuscan Buttes area at or above 1,800 feet in ele- vation. Ventura County, CA ...... Nonattainment ...... Serious. Ventura County (part): That part of Ventura County excluding the Channel Islands of Anacapa and San Nicolas Islands. Morongo Band of Mission Indians 4 ...... Nonattainment ...... Serious. Pechanga Band of Luisen˜o Mission Indians of the Pechanga Reservation ...... Nonattainment ...... Marginal. Includes the main body of the contiguous Pechanga Band Reservation and the non- contiguous area known as Pu’eskaMountain, excluding non-contiguous tribal lands in the Los Angeles-South Coast Air Basin, CA (Meadowbrook parcel).3 Rest of State: Colusa County ...... Attainment/ Unclassifiable. Eastern Nevada County ...... Attainment/ Unclassifiable. Nevada County (part) remainder. Eastern Riverside County ...... Attainment/ Unclassifiable. Riverside County (part) remainder. Glenn County ...... Attainment/ Unclassifiable. Inyo County ...... Attainment/ Unclassifiable. Lake County ...... 1/16/18 Attainment/ Unclassifiable. Lake Tahoe Air Basin ...... Attainment/ Unclassifiable. El Dorado County (part) remainder. Placer County (part) remainder. North Central Coast Air Basin ...... Attainment/ Unclassifiable. Monterey County. San Benito County. Santa Cruz County. North Coast Air Basin ...... Attainment/ Unclassifiable. Del Norte County ...... 1/16/18 Humboldt County ...... 1/16/18 Mendocino County. Sonoma County (part) remainder. Trinity County. Northeast Plateau Air Basin ...... 1/16/18 Attainment/ Unclassifiable. Lassen County. Modoc County. Siskiyou County. Northeastern Kern County ...... Attainment/ Unclassifiable. Kern County (part) remainder. Northeast San Bernardino County ...... Attainment/ Unclassifiable. San Bernardino County (part) remainder. Northern Channel Islands...... Attainment/ Unclassifiable. The Channel Islands located in the South Central Coast Air Basin: Anacapa, San Miguel, San Nicholas, Santa Barbara, Santa Cruz, and Santa Rosa Islands. Northern Great Basin Valleys Air Basin ...... Attainment/ Unclassifiable. Alpine County. Mono County. Northern Mountain Counties ...... Attainment/ Unclassifiable. Plumas County. Sierra County. Santa Barbara County (part) remainder ...... Attainment/ Unclassifiable. That part of Santa Barbara County excluding the Channel Islands of San Miguel, Santa Barbara, Santa Cruz, and Santa Rosa Islands. Shasta County ...... Attainment/ Unclassifiable. Sutter and Yuba Counties ...... Attainment/ Unclassifiable. Sutter County (part) remainder.

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Designation Classification Designated area 1 Date 2 Type Date 2 Type

Yuba County. Tehama County (part) remainder ...... Attainment/ Unclassifiable. Western San Luis Obispo County ...... Attainment/ Unclassifiable. San Luis Obispo County (part) remainder. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted. 3 See Section 23.0 of the EPA’s technical support document for California, titled ‘‘California Final Area Designations for the 2015 Ozone National Ambient Air Qual- ity Standards Technical Support Document (TSD),’’ for more information and maps showing the locations of the main body of the reservation and the non-contiguous Pu’eska Mountain and Meadowbrook lands (available in Docket ID: EPA–HQ–OAR–2017–0548). 4 See Section 22.0 of the EPA’s technical support document for California, titled ‘‘California Final Area Designations for the 2015 Ozone National Ambient Air Qual- ity Standards Technical Support Document (TSD),’’ for more information and maps showing the boundaries of the nonattainment area (available in Docket ID: EPA– HQ–OAR–2017–0548).

* * * * * 2015 8-Hour Ozone NAAQS (Primary § 81.306 Colorado. ■ 5. Section 81.306 is amended by and Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘Colorado— COLORADO—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Denver Metro/North Front Range, CO ...... Nonattainment ...... Marginal. Adams County. Arapahoe County. Boulder County. Broomfield County. Denver County. Douglas County. Jefferson County. Larimer County (part): Including the portion of Rocky Mountain National Park therein and that portion of the county that lies south of a line described as follows: Beginning at a point on Larimer County’s eastern boundary and Weld County’s western boundary inter- sected by 40 degrees, 42 minutes, and 47.1 seconds north latitude, proceed west to a point defined by the intersection of 40 degrees, 42 minutes, 47.1 seconds north latitude and 105 degrees, 29 minutes, and 40.0 seconds west longitude, thence proceed south on 105 degrees, 29 minutes, 40.0 seconds west longitude to the inter-section with 40 degrees, 33 minutes and 17.4 seconds north latitude, thence proceed west on 40 degrees, 33 minutes, 17.4 seconds north latitude until this line intersects Larimer County’s western boundary and Grand County’s east- ern boundary. Weld County (part): That portion of the county that lies south of a line described as follows: Beginning at a point on Weld County’s eastern boundary and Logan County’s western bound- ary intersected by 40 degrees, 42 minutes, 47.1 seconds north latitude, proceed west on 40 degrees, 42 minutes, 47.1 seconds north latitude until this line inter- sects Weld County’s western boundary and Larimer County’s eastern boundary. Alamosa County ...... 1/16/18 Attainment/ Unclassifiable. Archuleta County ...... 1/16/18 Attainment/ Unclassifiable. Baca County ...... 1/16/18 Attainment/ Unclassifiable. Bent County ...... 1/16/18 Attainment/ Unclassifiable. Chaffee County ...... 1/16/18 Attainment/ Unclassifiable. Cheyenne County ...... 1/16/18 Attainment/ Unclassifiable. Clear Creek County ...... Attainment/ Unclassifiable. Conejos County ...... 1/16/18 Attainment/ Unclassifiable. Costilla County ...... 1/16/18 Attainment/ Unclassifiable. Crowley County ...... 1/16/18 Attainment/ Unclassifiable. Custer County ...... 1/16/18 Attainment/ Unclassifiable.

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Designation Classification Designated area 1 Date 2 Type Date 2 Type

Delta County ...... 1/16/18 Attainment/ Unclassifiable. Dolores County ...... 1/16/18 Attainment/ Unclassifiable. Eagle County ...... 1/16/18 Attainment/ Unclassifiable. Elbert County ...... Attainment/ Unclassifiable. El Paso County ...... Attainment/ Unclassifiable. Fremont County ...... 1/16/18 Attainment/ Unclassifiable. Garfield County ...... Attainment/ Unclassifiable. Gilpin County ...... Attainment/ Unclassifiable. Grand County ...... Attainment/ Unclassifiable. Gunnison County ...... 1/16/18 Attainment/ Unclassifiable. Hinsdale County ...... 1/16/18 Attainment/ Unclassifiable. Huerfano County ...... 1/16/18 Attainment/ Unclassifiable. Jackson County ...... Attainment/ Unclassifiable. Kiowa County ...... 1/16/18 Attainment/ Unclassifiable. Kit Carson County ...... 1/16/18 Attainment/ Unclassifiable. Lake County ...... 1/16/18 Attainment/ Unclassifiable. La Plata County ...... 1/16/18 Attainment/ Unclassifiable. Larimer County (part remainder) ...... Attainment/ Unclassifiable. Las Animas County ...... 1/16/18 Attainment/ Unclassifiable. Lincoln County ...... 1/16/18 Attainment/ Unclassifiable. Logan County ...... 1/16/18 Attainment/ Unclassifiable. Mesa County ...... 1/16/18 Attainment/ Unclassifiable. Mineral County ...... 1/16/18 Attainment/ Unclassifiable. Moffat County ...... Attainment/ Unclassifiable. Montezuma County ...... 1/16/18 Attainment/ Unclassifiable. Montrose County ...... 1/16/18 Attainment/ Unclassifiable. Morgan County ...... 1/16/18 Attainment/ Unclassifiable. Otero County ...... 1/16/18 Attainment/ Unclassifiable. Ouray County ...... 1/16/18 Attainment/ Unclassifiable. Park County ...... Attainment/ Unclassifiable. Phillips County ...... 1/16/18 Attainment/ Unclassifiable. Pitkin County ...... 1/16/18 Attainment/ Unclassifiable. Prowers County ...... 1/16/18 Attainment/ Unclassifiable. Pueblo County ...... 1/16/18 Attainment/ Unclassifiable. Rio Blanco County ...... Attainment/ Unclassifiable. Rio Grande County ...... 1/16/18 Attainment/ Unclassifiable. Routt County ...... 1/16/18 Attainment/ Unclassifiable. Saguache County ...... 1/16/18 Attainment/ Unclassifiable. San Juan County ...... 1/16/18 Attainment/ Unclassifiable.

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Designation Classification Designated area 1 Date 2 Type Date 2 Type

San Miguel County ...... 1/16/18 Attainment/ Unclassifiable. Sedgwick County ...... 1/16/18 Attainment/ Unclassifiable. Summit County ...... 1/16/18 Attainment/ Unclassifiable. Teller County ...... Attainment/ Unclassifiable. Washington County ...... 1/16/18 Attainment/ Unclassifiable. Weld County (part) remainder ...... Attainment/ Unclassifiable. Yuma County ...... 1/16/18 Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * NAAQS (Primary and Secondary)’’ NAAQS (Primary and Secondary)’’ to following the table titled read as follows: ■ 6. Section 81.307 is amended by ‘‘Connecticut—2008 8-Hour Ozone adding a new table titled § 81.307 Connecticut. ‘‘Connecticut—2015 8-Hour Ozone * * * * * CONNECTICUT—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Greater Connecticut, CT ...... Nonattainment ...... Marginal. Hartford County. Litchfield County. New London County. Tolland County. Windham County. New York-Northern New Jersey-Long Island, NY-NJ-CT ...... Nonattainment ...... Moderate. Fairfield County. Middlesex County. New Haven County. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * and Secondary)’’ following the table § 81.308 Delaware. ■ 7. Section 81.308 is amended by titled ‘‘Delaware—2008 8-Hour Ozone * * * * * adding a new table titled ‘‘Delaware— NAAQS (Primary and Secondary)’’ to 2015 8-Hour Ozone NAAQS (Primary read as follows: DELAWARE—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE ...... Nonattainment ...... Marginal. New Castle County. Kent County ...... Attainment/ Unclassifiable. Sussex County ...... Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

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* * * * * (Primary and Secondary)’’ following the § 81.309 District of Columbia. ■ 8. Section 81.309 is amended by table titled ‘‘District of Columbia—2008 * * * * * adding a new table titled ‘‘District of 8-Hour Ozone NAAQS (Primary and Columbia—2015 8-Hour Ozone NAAQS Secondary)’’ to read as follows: DISTRICT OF COLUMBIA—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Washington, DC-MD-VA ...... Nonattainment ...... Marginal. District of Columbia. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * 8-Hour Ozone NAAQS (Primary and § 81.310 Florida. ■ 9. Section 81.310 is amended by Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘Florida—2015 FLORIDA—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date Type

Jacksonville, FL ...... Unclassifiable. Duval County. Alachua County ...... 1/16/18 Attainment/ Unclassifiable. Baker County ...... Attainment/ Unclassifiable. Bay County ...... 1/16/18 Attainment/ Unclassifiable. Bradford County ...... 1/16/18 Attainment/ Unclassifiable. Brevard County ...... 1/16/18 Attainment/ Unclassifiable. Broward County ...... 1/16/18 Attainment/ Unclassifiable. Calhoun County ...... 1/16/18 Attainment/ Unclassifiable. Charlotte County ...... 1/16/18 Attainment/ Unclassifiable. Citrus County ...... 1/16/18 Attainment/ Unclassifiable. Clay County ...... Attainment/ Unclassifiable. Collier County ...... 1/16/18 Attainment/ Unclassifiable. Columbia County ...... 1/16/18 Attainment/ Unclassifiable. DeSoto County ...... 1/16/18 Attainment/ Unclassifiable. Dixie County ...... 1/16/18 Attainment/ Unclassifiable. Escambia County ...... 1/16/18 Attainment/ Unclassifiable. Flagler County ...... 1/16/18 Attainment/ Unclassifiable. Franklin County ...... 1/16/18 Attainment/ Unclassifiable. Gadsden County ...... 1/16/18 Attainment/ Unclassifiable. Gilchrist County ...... 1/16/18 Attainment/ Unclassifiable. Glades County ...... 1/16/18 Attainment/ Unclassifiable. Gulf County ...... 1/16/18 Attainment/ Unclassifiable. Hamilton County ...... 1/16/18 Attainment/ Unclassifiable. Hardee County ...... 1/16/18 Attainment/ Unclassifiable. Hendry County ...... 1/16/18 Attainment/ Unclassifiable. Hernando County ...... 1/16/18 Attainment/ Unclassifiable.

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Designation Classification Designated area 1 Date 2 Type Date Type

Highlands County ...... 1/16/18 Attainment/ Unclassifiable. Hillsborough County ...... 1/16/18 Attainment/ Unclassifiable. Holmes County ...... 1/16/18 Attainment/ Unclassifiable. Indian River County ...... 1/16/18 Attainment/ Unclassifiable. Jackson County ...... 1/16/18 Attainment/ Unclassifiable. Jefferson County ...... 1/16/18 Attainment/ Unclassifiable. Lafayette County ...... 1/16/18 Attainment/ Unclassifiable. Lake County ...... 1/16/18 Attainment/ Unclassifiable. Lee County ...... 1/16/18 Attainment/ Unclassifiable. Leon County ...... 1/16/18 Attainment/ Unclassifiable. Levy County ...... 1/16/18 Attainment/ Unclassifiable. County ...... 1/16/18 Attainment/ Unclassifiable. Madison County ...... 1/16/18 Attainment/ Unclassifiable. Manatee County ...... 1/16/18 Attainment/ Unclassifiable. Marion County ...... 1/16/18 Attainment/ Unclassifiable. Martin County ...... 1/16/18 Attainment/ Unclassifiable. Miami-Dade County ...... 1/16/18 Attainment/ Unclassifiable. Monroe County ...... 1/16/18 Attainment/ Unclassifiable. Nassau County ...... Attainment/ Unclassifiable. Okaloosa County ...... 1/16/18 Attainment/ Unclassifiable. Okeechobee County ...... 1/16/18 Attainment/ Unclassifiable. Orange County ...... 1/16/18 Attainment/ Unclassifiable. Osceola County ...... 1/16/18 Attainment/ Unclassifiable. Palm Beach County ...... 1/16/18 Attainment/ Unclassifiable. Pasco County ...... 1/16/18 Attainment/ Unclassifiable. Pinellas County ...... 1/16/18 Attainment/ Unclassifiable. Polk County ...... 1/16/18 Attainment/ Unclassifiable. Putnam County ...... Attainment/ Unclassifiable. St. Johns County ...... Attainment/ Unclassifiable. St. Lucie County ...... 1/16/18 Attainment/ Unclassifiable. Santa Rosa County ...... 1/16/18 Attainment/ Unclassifiable. Sarasota County ...... 1/16/18 Attainment/ Unclassifiable. Seminole County ...... 1/16/18 Attainment/ Unclassifiable. Sumter County ...... 1/16/18 Attainment/ Unclassifiable. Suwannee County ...... 1/16/18 Attainment/ Unclassifiable. Taylor County ...... 1/16/18 Attainment/ Unclassifiable. Union County ...... 1/16/18 Attainment/ Unclassifiable. Volusia County ...... 1/16/18 Attainment/ Unclassifiable. Wakulla County ...... 1/16/18 Attainment/ Unclassifiable.

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Designation Classification Designated area 1 Date 2 Type Date Type

Walton County ...... 1/16/18 Attainment/ Unclassifiable. Washington County ...... 1/16/18 Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * 8-Hour Ozone NAAQS (Primary and § 81.311 Georgia. ■ 10. Section 81.311 is amended by Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘Georgia—2015 GEORGIA—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Atlanta, GA ...... Nonattainment ...... Marginal. Bartow County. Clayton County. Cobb County. DeKalb County. Fulton County. Gwinnett County. Henry County. Appling County ...... 1/16/18 Attainment/ Unclassifiable. Atkinson County ...... 1/16/18 Attainment/ Unclassifiable. Bacon County ...... 1/16/18 Attainment/ Unclassifiable. Baker County ...... 1/16/18 Attainment/ Unclassifiable. County ...... 1/16/18 Attainment/ Unclassifiable. Banks County ...... 1/16/18 Attainment/ Unclassifiable. Barrow County ...... Attainment/ Unclassifiable. Ben Hill County ...... 1/16/18 Attainment/ Unclassifiable. Berrien County ...... 1/16/18 Attainment/ Unclassifiable. Bibb County ...... 1/16/18 Attainment/ Unclassifiable. Bleckley County ...... 1/16/18 Attainment/ Unclassifiable. Brantley County ...... 1/16/18 Attainment/ Unclassifiable. Brooks County ...... 1/16/18 Attainment/ Unclassifiable. Bryan County ...... 1/16/18 Attainment/ Unclassifiable. Bulloch County ...... 1/16/18 Attainment/ Unclassifiable. Burke County ...... 1/16/18 Attainment/ Unclassifiable. Butts County ...... Attainment/ Unclassifiable. Calhoun County ...... 1/16/18 Attainment/ Unclassifiable. Camden County ...... Attainment/ Unclassifiable. Candler County ...... 1/16/18 Attainment/ Unclassifiable. Carroll County ...... Attainment/ Unclassifiable. Catoosa County ...... 1/16/18 Attainment/ Unclassifiable. Charlton County ...... 1/16/18 Attainment/ Unclassifiable. Chatham County ...... 1/16/18 Attainment/ Unclassifiable.

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Designation Classification Designated area 1 Date 2 Type Date 2 Type

Chattahoochee County ...... 1/16/18 Attainment/ Unclassifiable. Chattooga County ...... 1/16/18 Attainment/ Unclassifiable. Cherokee County ...... Attainment/ Unclassifiable. Clarke County ...... Attainment/ Unclassifiable. Clay County ...... 1/16/18 Attainment/ Unclassifiable. Clinch County ...... 1/16/18 Attainment/ Unclassifiable. Coffee County ...... 1/16/18 Attainment/ Unclassifiable. Colquitt County ...... 1/16/18 Attainment/ Unclassifiable. Columbia County ...... 1/16/18 Attainment/ Unclassifiable. Cook County ...... 1/16/18 Attainment/ Unclassifiable. Coweta County ...... Attainment/ Unclassifiable. Crawford County ...... 1/16/18 Attainment/ Unclassifiable. Crisp County ...... 1/16/18 Attainment/ Unclassifiable. Dade County ...... 1/16/18 Attainment/ Unclassifiable. Dawson County ...... Attainment/ Unclassifiable. Decatur County ...... 1/16/18 Attainment/ Unclassifiable. Dodge County ...... 1/16/18 Attainment/ Unclassifiable. Dooly County ...... 1/16/18 Attainment/ Unclassifiable. County ...... 1/16/18 Attainment/ Unclassifiable. Douglas County ...... Attainment/ Unclassifiable. Early County ...... 1/16/18 Attainment/ Unclassifiable. Echols County ...... 1/16/18 Attainment/ Unclassifiable. Effingham County ...... 1/16/18 Attainment/ Unclassifiable. Elbert County ...... 1/16/18 Attainment/ Unclassifiable. Emanuel County ...... 1/16/18 Attainment/ Unclassifiable. Evans County ...... 1/16/18 Attainment/ Unclassifiable. Fannin County ...... 1/16/18 Attainment/ Unclassifiable. Fayette County ...... Attainment/ Unclassifiable. Floyd County ...... 1/16/18 Attainment/ Unclassifiable. Forsyth County ...... Attainment/ Unclassifiable. Franklin County ...... 1/16/18 Attainment/ Unclassifiable. Gilmer County ...... 1/16/18 Attainment/ Unclassifiable. Glascock County ...... 1/16/18 Attainment/ Unclassifiable. Glynn County ...... 1/16/18 Attainment/ Unclassifiable. Gordon County ...... Attainment/ Unclassifiable. Grady County ...... 1/16/18 Attainment/ Unclassifiable. Greene County ...... 1/16/18 Attainment/ Unclassifiable. Habersham County ...... 1/16/18 Attainment/ Unclassifiable. Hall County ...... Attainment/ Unclassifiable.

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GEORGIA—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Hancock County ...... 1/16/18 Attainment/ Unclassifiable. County ...... Attainment/ Unclassifiable. Harris County ...... 1/16/18 Attainment/ Unclassifiable. Hart County ...... 1/16/18 Attainment/ Unclassifiable. Heard County ...... Attainment/ Unclassifiable. Houston County ...... 1/16/18 Attainment/ Unclassifiable. Irwin County ...... 1/16/18 Attainment/ Unclassifiable. Jackson County ...... Attainment/ Unclassifiable. Jasper County ...... Attainment/ Unclassifiable. Jeff Davis County ...... 1/16/18 Attainment/ Unclassifiable. Jefferson County ...... 1/16/18 Attainment/ Unclassifiable. Jenkins County ...... 1/16/18 Attainment/ Unclassifiable. Johnson County ...... 1/16/18 Attainment/ Unclassifiable. Jones County ...... 1/16/18 Attainment/ Unclassifiable. Lamar County ...... Attainment/ Unclassifiable. Lanier County ...... 1/16/18 Attainment/ Unclassifiable. Laurens County ...... 1/16/18 Attainment/ Unclassifiable. Lee County ...... 1/16/18 Attainment/ Unclassifiable. Liberty County ...... 1/16/18 Attainment/ Unclassifiable. Lincoln County ...... 1/16/18 Attainment/ Unclassifiable. Long County ...... 1/16/18 Attainment/ Unclassifiable. Lowndes County ...... 1/16/18 Attainment/ Unclassifiable. Lumpkin County ...... 1/16/18 Attainment/ Unclassifiable. McDuffie County ...... 1/16/18 Attainment/ Unclassifiable. McIntosh County ...... 1/16/18 Attainment/ Unclassifiable. Macon County ...... 1/16/18 Attainment/ Unclassifiable. Madison County ...... Attainment/ Unclassifiable. Marion County ...... 1/16/18 Attainment/ Unclassifiable. Meriwether County ...... Attainment/ Unclassifiable. Miller County ...... 1/16/18 Attainment/ Unclassifiable. Mitchell County ...... 1/16/18 Attainment/ Unclassifiable. Monroe County ...... 1/16/18 Attainment/ Unclassifiable. Montgomery County ...... 1/16/18 Attainment/ Unclassifiable. Morgan County ...... Attainment/ Unclassifiable. Murray County ...... 1/16/18 Attainment/ Unclassifiable. Muscogee County ...... 1/16/18 Attainment/ Unclassifiable. Newton County ...... Attainment/ Unclassifiable. Oconee County ...... Attainment/ Unclassifiable. Oglethorpe County ...... Attainment/ Unclassifiable.

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GEORGIA—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Paulding County ...... Attainment/ Unclassifiable. Peach County ...... 1/16/18 Attainment/ Unclassifiable. Pickens County ...... Attainment/ Unclassifiable. Pierce County ...... 1/16/18 Attainment/ Unclassifiable. Pike County ...... Attainment/ Unclassifiable. Polk County ...... Attainment/ Unclassifiable. Pulaski County ...... 1/16/18 Attainment/ Unclassifiable. Putnam County ...... 1/16/18 Attainment/ Unclassifiable. Quitman County ...... 1/16/18 Attainment/ Unclassifiable. Rabun County ...... 1/16/18 Attainment/ Unclassifiable. Randolph County ...... 1/16/18 Attainment/ Unclassifiable. Richmond County ...... 1/16/18 Attainment/ Unclassifiable. Rockdale County ...... Attainment/ Unclassifiable. Schley County ...... 1/16/18 Attainment/ Unclassifiable. Screven County ...... 1/16/18 Attainment/ Unclassifiable. Seminole County ...... 1/16/18 Attainment/ Unclassifiable. Spalding County ...... Attainment/ Unclassifiable. Stephens County ...... 1/16/18 Attainment/ Unclassifiable. Stewart County ...... 1/16/18 Attainment/ Unclassifiable. Sumter County ...... 1/16/18 Attainment/ Unclassifiable. Talbot County ...... 1/16/18 Attainment/ Unclassifiable. Taliaferro County ...... 1/16/18 Attainment/ Unclassifiable. Tattnall County ...... 1/16/18 Attainment/ Unclassifiable. Taylor County ...... 1/16/18 Attainment/ Unclassifiable. Telfair County ...... 1/16/18 Attainment/ Unclassifiable. Terrell County ...... 1/16/18 Attainment/ Unclassifiable. Thomas County ...... 1/16/18 Attainment/ Unclassifiable. Tift County ...... 1/16/18 Attainment/ Unclassifiable. Toombs County ...... 1/16/18 Attainment/ Unclassifiable. Towns County ...... 1/16/18 Attainment/ Unclassifiable. Treutlen County ...... 1/16/18 Attainment/ Unclassifiable. Troup County ...... Attainment/ Unclassifiable. Turner County ...... 1/16/18 Attainment/ Unclassifiable. Twiggs County ...... 1/16/18 Attainment/ Unclassifiable. Union County ...... 1/16/18 Attainment/ Unclassifiable. Upson County ...... Attainment/ Unclassifiable. Walker County ...... 1/16/18 Attainment/ Unclassifiable. Walton County ...... Attainment/ Unclassifiable. Ware County ...... 1/16/18 Attainment/ Unclassifiable.

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GEORGIA—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Warren County ...... 1/16/18 Attainment/ Unclassifiable. Washington County ...... 1/16/18 Attainment/ Unclassifiable. Wayne County ...... 1/16/18 Attainment/ Unclassifiable. Webster County ...... 1/16/18 Attainment/ Unclassifiable. Wheeler County ...... 1/16/18 Attainment/ Unclassifiable. White County ...... 1/16/18 Attainment/ Unclassifiable. Whitfield County ...... 1/16/18 Attainment/ Unclassifiable. Wilcox County ...... 1/16/18 Attainment/ Unclassifiable. Wilkes County ...... 1/16/18 Attainment/ Unclassifiable. Wilkinson County ...... 1/16/18 Attainment/ Unclassifiable. Worth County ...... 1/16/18 Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * 8-Hour Ozone NAAQS (Primary and § 81.314 Illinois. ■ 11. Section 81.314 is amended by Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘Illinois—2015 ILLINOIS—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Chicago, IL-IN-WI ...... Nonattainment ...... Marginal. Cook County. DuPage County. Grundy County (part): Aux Sable Township and Goose Lake Township. Kane County. Kendall County (part): Oswego Township. Lake County. Will County. St. Louis, MO-IL ...... Nonattainment ...... Marginal. Madison County. St. Clair County. Adams County ...... 1/16/18 Attainment/ Unclassifiable. Alexander County ...... 1/16/18 Attainment/ Unclassifiable. Boone County ...... 1/16/18 Attainment/ Unclassifiable. Bond County ...... Attainment/ Unclassifiable. Brown County ...... 1/16/18 Attainment/ Unclassifiable. Bureau County ...... Attainment/ Unclassifiable. Calhoun County ...... Attainment/ Unclassifiable. Carroll County ...... 1/16/18 Attainment/ Unclassifiable. Cass County ...... 1/16/18 Attainment/ Unclassifiable. Champaign County ...... 1/16/18 Attainment/ Unclassifiable. Christian County ...... 1/16/18 Attainment/ Unclassifiable. Clark County ...... 1/16/18 Attainment/ Unclassifiable.

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Designation Classification Designated area 1 Date 2 Type Date 2 Type

Clay County ...... 1/16/18 Attainment/ Unclassifiable. Clinton County ...... Attainment/ Unclassifiable. Coles County ...... 1/16/18 Attainment/ Unclassifiable. Crawford County ...... 1/16/18 Attainment/ Unclassifiable. Cumberland County ...... 1/16/18 Attainment/ Unclassifiable. De Kalb County ...... Attainment/ Unclassifiable. De Witt County ...... 1/16/18 Attainment/ Unclassifiable. Douglas County ...... 1/16/18 Attainment/ Unclassifiable. Edgar County ...... 1/16/18 Attainment/ Unclassifiable. Edwards County ...... 1/16/18 Attainment/ Unclassifiable. Effingham County ...... 1/16/18 Attainment/ Unclassifiable. Fayette County ...... 1/16/18 Attainment/ Unclassifiable. Ford County ...... 1/16/18 Attainment/ Unclassifiable. Franklin County ...... 1/16/18 Attainment/ Unclassifiable. Fulton County ...... 1/16/18 Attainment/ Unclassifiable. Gallatin County ...... 1/16/18 Attainment/ Unclassifiable. Greene County ...... 1/16/18 Attainment/ Unclassifiable. Grundy County (part) remainder ...... Attainment/ Unclassifiable. Hamilton County ...... 1/16/18 Attainment/ Unclassifiable. Hancock County ...... 1/16/18 Attainment/ Unclassifiable. Hardin County ...... 1/16/18 Attainment/ Unclassifiable. Henderson County ...... 1/16/18 Attainment/ Unclassifiable. Henry County ...... 1/16/18 Attainment/ Unclassifiable. Iroquois County ...... 1/16/18 Attainment/ Unclassifiable. Jackson County ...... 1/16/18 Attainment/ Unclassifiable. Jasper County ...... 1/16/18 Attainment/ Unclassifiable. Jefferson County ...... 1/16/18 Attainment/ Unclassifiable. Jersey County ...... Attainment/ Unclassifiable. Jo Daviess County ...... 1/16/18 Attainment/ Unclassifiable. Johnson County ...... 1/16/18 Attainment/ Unclassifiable. Kankakee County ...... Attainment/ Unclassifiable. Kendall County (part) remainder ...... Attainment/ Unclassifiable. Knox County ...... 1/16/18 Attainment/ Unclassifiable. La Salle County ...... Attainment/ Unclassifiable. Lawrence County ...... 1/16/18 Attainment/ Unclassifiable. Lee County ...... 1/16/18 Attainment/ Unclassifiable. Livingston County ...... 1/16/18 Attainment/ Unclassifiable. Logan County ...... 1/16/18 Attainment/ Unclassifiable. Macon County ...... 1/16/18 Attainment/ Unclassifiable.

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ILLINOIS—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Macoupin County ...... Attainment/ Unclassifiable. Marion County ...... Attainment/ Unclassifiable. Marshall County ...... 1/16/18 Attainment/ Unclassifiable. Mason County ...... 1/16/18 Attainment/ Unclassifiable. Massac County ...... 1/16/18 Attainment/ Unclassifiable. McDonough County ...... 1/16/18 Attainment/ Unclassifiable. McLean County ...... 1/16/18 Attainment/ Unclassifiable. Menard County ...... 1/16/18 Attainment/ Unclassifiable. Mercer County ...... 1/16/18 Attainment/ Unclassifiable. Montgomery County ...... 1/16/18 Attainment/ Unclassifiable. Morgan County ...... 1/16/18 Attainment/ Unclassifiable. Moultrie County ...... 1/16/18 Attainment/ Unclassifiable. Ogle County ...... 1/16/18 Attainment/ Unclassifiable. Peoria County ...... 1/16/18 Attainment/ Unclassifiable. Perry County ...... 1/16/18 Attainment/ Unclassifiable. Piatt County ...... 1/16/18 Attainment/ Unclassifiable. Pike County ...... 1/16/18 Attainment/ Unclassifiable. Pope County ...... 1/16/18 Attainment/ Unclassifiable. Pulaski County ...... 1/16/18 Attainment/ Unclassifiable. Putnam County ...... Attainment/ Unclassifiable. Randolph County ...... 1/16/18 Attainment/ Unclassifiable. Richland County ...... 1/16/18 Attainment/ Unclassifiable. Rock Island County ...... 1/16/18 Attainment/ Unclassifiable. Saline County ...... 1/16/18 Attainment/ Unclassifiable. Sangamon County ...... 1/16/18 Attainment/ Unclassifiable. Schuyler County ...... 1/16/18 Attainment/ Unclassifiable. Scott County ...... 1/16/18 Attainment/ Unclassifiable. Shelby County ...... 1/16/18 Attainment/ Unclassifiable. Stark County ...... 1/16/18 Attainment/ Unclassifiable. Stephenson County ...... 1/16/18 Attainment/ Unclassifiable. Tazewell County ...... 1/16/18 Attainment/ Unclassifiable. Union County ...... 1/16/18 Attainment/ Unclassifiable. Vermilion County ...... 1/16/18 Attainment/ Unclassifiable. Wabash County ...... 1/16/18 Attainment/ Unclassifiable. Warren County ...... 1/16/18 Attainment/ Unclassifiable. Washington County ...... 1/16/18 Attainment/ Unclassifiable. Wayne County ...... 1/16/18 Attainment/ Unclassifiable. White County ...... 1/16/18 Attainment/ Unclassifiable. Whiteside County ...... 1/16/18 Attainment/ Unclassifiable.

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ILLINOIS—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Williamson County ...... 1/16/18 Attainment/ Unclassifiable. Winnebago County ...... 1/16/18 Attainment/ Unclassifiable. Woodford County ...... 1/16/18 Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * 8-Hour Ozone NAAQS (Primary and § 81.315 Indiana. ■ 12. Section 81.315 is amended by Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘Indiana—2015 INDIANA—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Chicago, IL-IN-WI ...... Nonattainment ...... Marginal. Lake County (part). Calumet Township, Hobart Township, North Township, Ross Township, and St. John Township. Louisville, KY-IN ...... Nonattainment ...... Marginal. Clark County. Floyd County. Adams County ...... 1/16/18 Attainment/ Unclassifiable. Allen County ...... 1/16/18 Attainment/ Unclassifiable. Bartholomew County ...... 1/16/18 Attainment/ Unclassifiable. Benton County ...... 1/16/18 Attainment/ Unclassifiable. Blackford County ...... 1/16/18 Attainment/ Unclassifiable. Boone County ...... 1/16/18 Attainment/ Unclassifiable. Brown County ...... 1/16/18 Attainment/ Unclassifiable. Carroll County ...... 1/16/18 Attainment/ Unclassifiable. Cass County ...... 1/16/18 Attainment/ Unclassifiable. Clay County ...... 1/16/18 Attainment/ Unclassifiable. Clinton County ...... 1/16/18 Attainment/ Unclassifiable. Crawford County ...... 1/16/18 Attainment/ Unclassifiable. Daviess County ...... 1/16/18 Attainment/ Unclassifiable. Dearborn County ...... Attainment/ Unclassifiable. Decatur County ...... 1/16/18 Attainment/ Unclassifiable. DeKalb County ...... 1/16/18 Attainment/ Unclassifiable. Delaware County ...... 1/16/18 Attainment/ Unclassifiable. Dubois County ...... 1/16/18 Attainment/ Unclassifiable. Elkhart County ...... Attainment/ Unclassifiable. Fayette County ...... 1/16/18 Attainment/ Unclassifiable. Fountain County ...... 1/16/18 Attainment/ Unclassifiable. Franklin County ...... Attainment/ Unclassifiable. Fulton County ...... 1/16/18 Attainment/ Unclassifiable.

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INDIANA—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Gibson County ...... 1/16/18 Attainment/ Unclassifiable. Grant County ...... 1/16/18 Attainment/ Unclassifiable. Greene County ...... 1/16/18 Attainment/ Unclassifiable. Hamilton County ...... 1/16/18 Attainment/ Unclassifiable. Hancock County ...... 1/16/18 Attainment/ Unclassifiable. Harrison County ...... Attainment/ Unclassifiable. Hendricks County ...... 1/16/18 Attainment/ Unclassifiable. Henry County ...... 1/16/18 Attainment/ Unclassifiable. Howard County ...... 1/16/18 Attainment/ Unclassifiable. Huntington County ...... 1/16/18 Attainment/ Unclassifiable. Jackson County ...... 1/16/18 Attainment/ Unclassifiable. Jasper County ...... Attainment/ Unclassifiable. Jay County ...... 1/16/18 Attainment/ Unclassifiable. Jefferson County ...... Attainment/ Unclassifiable. Jennings County ...... 1/16/18 Attainment/ Unclassifiable. Johnson County ...... 1/16/18 Attainment/ Unclassifiable. Knox County ...... 1/16/18 Attainment/ Unclassifiable. Kosciusko County ...... 1/16/18 Attainment/ Unclassifiable. LaGrange County ...... 1/16/18 Attainment/ Unclassifiable. Lake County (part) remainder ...... Attainment/ Unclassifiable. La Porte County ...... Attainment/ Unclassifiable. Lawrence County ...... 1/16/18 Attainment/ Unclassifiable. Madison County ...... 1/16/18 Attainment/ Unclassifiable. Marion County ...... 1/16/18 Attainment/ Unclassifiable. Marshall County ...... Attainment/ Unclassifiable. Martin County ...... 1/16/18 Attainment/ Unclassifiable. Miami County ...... 1/16/18 Attainment/ Unclassifiable. Monroe County ...... 1/16/18 Attainment/ Unclassifiable. Montgomery County ...... 1/16/18 Attainment/ Unclassifiable. Morgan County ...... 1/16/18 Attainment/ Unclassifiable. Newton County ...... Attainment/ Unclassifiable. Noble County ...... 1/16/18 Attainment/ Unclassifiable. Ohio County ...... Attainment/ Unclassifiable. Orange County ...... 1/16/18 Attainment/ Unclassifiable. Owen County ...... 1/16/18 Attainment/ Unclassifiable. Parke County ...... 1/16/18 Attainment/ Unclassifiable. Perry County ...... 1/16/18 Attainment/ Unclassifiable. Pike County ...... 1/16/18 Attainment/ Unclassifiable. Porter County ...... Attainment/ Unclassifiable.

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Designation Classification Designated area 1 Date 2 Type Date 2 Type

Posey County ...... 1/16/18 Attainment/ Unclassifiable. Pulaski County ...... 1/16/18 Attainment/ Unclassifiable. Putnam County ...... 1/16/18 Attainment/ Unclassifiable. Randolph County ...... 1/16/18 Attainment/ Unclassifiable. Ripley County ...... 1/16/18 Attainment/ Unclassifiable. Rush County ...... 1/16/18 Attainment/ Unclassifiable. St. Joseph County ...... Attainment/ Unclassifiable. Shelby County ...... 1/16/18 Attainment/ Unclassifiable. Spencer County ...... 1/16/18 Attainment/ Unclassifiable. Starke County ...... 1/16/18 Attainment/ Unclassifiable. Steuben County ...... 1/16/18 Attainment/ Unclassifiable. Sullivan County ...... 1/16/18 Attainment/ Unclassifiable. Switzerland County ...... 1/16/18 Attainment/ Unclassifiable. Tippecanoe County ...... 1/16/18 Attainment/ Unclassifiable. Tipton County ...... 1/16/18 Attainment/ Unclassifiable. Vanderburgh County ...... 1/16/18 Attainment/ Unclassifiable. Vermillion County ...... 1/16/18 Attainment/ Unclassifiable. Vigo County ...... 1/16/18 Attainment/ Unclassifiable. Wabash County ...... 1/16/18 Attainment/ Unclassifiable. Warren County ...... 1/16/18 Attainment/ Unclassifiable. Warrick County ...... 1/16/18 Attainment/ Unclassifiable. Wayne County ...... 1/16/18 Attainment/ Unclassifiable. Wells County ...... 1/16/18 Attainment/ Unclassifiable. White County ...... 1/16/18 Attainment/ Unclassifiable. Whitley County ...... 1/16/18 Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * 2015 8-Hour Ozone NAAQS (Primary § 81.318 Kentucky. ■ 13. Section 81.318 is amended by and Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘Kentucky— KENTUCKY—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Cincinnati, OH-KY ...... Nonattainment ...... Marginal. Boone County (part): The entire county except for 2010 US Census Tracts 706.01 and 706.04. Campbell County (part): The entire county except for 2010 US Census Tracts 520.01 and 520.02. Kenton County (part): The entire county except for 2010 US Census Tracts 637.01 and 637.02. Louisville, KY-IN ...... Nonattainment ...... Marginal. Bullitt County.

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Designation Classification Designated area 1 Date 2 Type Date 2 Type

Jefferson County. Oldham County. Adair County ...... 1/16/18 Attainment/ Unclassifiable. Allen County ...... 1/16/18 Attainment/ Unclassifiable. Anderson County ...... 1/16/18 Attainment/ Unclassifiable. Ballard County ...... 1/16/18 Attainment/ Unclassifiable. Barren County ...... 1/16/18 Attainment/ Unclassifiable. Bath County ...... 1/16/18 Attainment/ Unclassifiable. Bell County ...... 1/16/18 Attainment/ Unclassifiable. Boone County (part) remainder ...... Attainment/ Unclassifiable. Bourbon County ...... 1/16/18 Attainment/ Unclassifiable. Boyd County ...... 1/16/18 Attainment/ Unclassifiable. Boyle County ...... 1/16/18 Attainment/ Unclassifiable. Bracken County ...... Attainment/ Unclassifiable. Breathitt County ...... 1/16/18 Attainment/ Unclassifiable. Breckinridge County ...... 1/16/18 Attainment/ Unclassifiable. Butler County ...... 1/16/18 Attainment/ Unclassifiable. Caldwell County ...... 1/16/18 Attainment/ Unclassifiable. Calloway County ...... 1/16/18 Attainment/ Unclassifiable. Campbell County (part) remainder ...... Attainment/ Unclassifiable. Carlisle County ...... 1/16/18 Attainment/ Unclassifiable. Carroll County ...... 1/16/18 Attainment/ Unclassifiable. Carter County ...... 1/16/18 Attainment/ Unclassifiable. Casey County ...... 1/16/18 Attainment/ Unclassifiable. Christian County ...... 1/16/18 Attainment/ Unclassifiable. Clark County ...... 1/16/18 Attainment/ Unclassifiable. Clay County ...... 1/16/18 Attainment/ Unclassifiable. Clinton County ...... 1/16/18 Attainment/ Unclassifiable. Crittenden County ...... 1/16/18 Attainment/ Unclassifiable. Cumberland County ...... 1/16/18 Attainment/ Unclassifiable. Daviess County ...... 1/16/18 Attainment/ Unclassifiable. Edmonson County ...... 1/16/18 Attainment/ Unclassifiable. Elliott County ...... 1/16/18 Attainment/ Unclassifiable. Estill County ...... 1/16/18 Attainment/ Unclassifiable. Fayette County ...... 1/16/18 Attainment/ Unclassifiable. Fleming County ...... 1/16/18 Attainment/ Unclassifiable. Floyd County ...... 1/16/18 Attainment/ Unclassifiable. Franklin County ...... 1/16/18 Attainment/ Unclassifiable. Fulton County ...... 1/16/18 Attainment/ Unclassifiable. Gallatin County ...... Attainment/ Unclassifiable.

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Designation Classification Designated area 1 Date 2 Type Date 2 Type

Garrard County ...... 1/16/18 Attainment/ Unclassifiable. Grant County ...... Attainment/ Unclassifiable. Graves County ...... 1/16/18 Attainment/ Unclassifiable. Grayson County ...... 1/16/18 Attainment/ Unclassifiable. Green County ...... 1/16/18 Attainment/ Unclassifiable. Greenup County ...... 1/16/18 Attainment/ Unclassifiable. Hancock County ...... 1/16/18 Attainment/ Unclassifiable. Hardin County ...... Attainment/ Unclassifiable. Harlan County ...... 1/16/18 Attainment/ Unclassifiable. Harrison County ...... 1/16/18 Attainment/ Unclassifiable. Hart County ...... 1/16/18 Attainment/ Unclassifiable. Henderson County ...... 1/16/18 Attainment/ Unclassifiable. Henry County ...... Attainment/ Unclassifiable. Hickman County ...... 1/16/18 Attainment/ Unclassifiable. Hopkins County ...... 1/16/18 Attainment/ Unclassifiable. Jackson County ...... 1/16/18 Attainment/ Unclassifiable. Jessamine County ...... 1/16/18 Attainment/ Unclassifiable. Johnson County ...... 1/16/18 Attainment/ Unclassifiable. Kenton County (part) remainder ...... Attainment/ Unclassifiable. Knott County ...... 1/16/18 Attainment/ Unclassifiable. Knox County ...... 1/16/18 Attainment/ Unclassifiable. Larue County ...... Attainment/ Unclassifiable. Laurel County ...... 1/16/18 Attainment/ Unclassifiable. Lawrence County ...... 1/16/18 Attainment/ Unclassifiable. Lee County ...... 1/16/18 Attainment/ Unclassifiable. Leslie County ...... 1/16/18 Attainment/ Unclassifiable. Letcher County ...... 1/16/18 Attainment/ Unclassifiable. Lewis County ...... 1/16/18 Attainment/ Unclassifiable. Lincoln County ...... 1/16/18 Attainment/ Unclassifiable. Livingston County ...... 1/16/18 Attainment/ Unclassifiable. Logan County ...... 1/16/18 Attainment/ Unclassifiable. Lyon County ...... 1/16/18 Attainment/ Unclassifiable. Mason County ...... Attainment/ Unclassifiable. McCracken County ...... 1/16/18 Attainment/ Unclassifiable. McCreary County ...... 1/16/18 Attainment/ Unclassifiable. McLean County ...... 1/16/18 Attainment/ Unclassifiable. Madison County ...... 1/16/18 Attainment/ Unclassifiable. Magoffin County ...... 1/16/18 Attainment/ Unclassifiable. Marion County ...... 1/16/18 Attainment/ Unclassifiable.

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KENTUCKY—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Marshall County ...... 1/16/18 Attainment/ Unclassifiable. Martin County ...... 1/16/18 Attainment/ Unclassifiable. Meade County ...... Attainment/ Unclassifiable. Menifee County ...... 1/16/18 Attainment/ Unclassifiable. Mercer County ...... 1/16/18 Attainment/ Unclassifiable. Metcalfe County ...... 1/16/18 Attainment/ Unclassifiable. Monroe County ...... 1/16/18 Attainment/ Unclassifiable. Montgomery County ...... 1/16/18 Attainment/ Unclassifiable. Morgan County ...... 1/16/18 Attainment/ Unclassifiable. Muhlenberg County ...... 1/16/18 Attainment/ Unclassifiable. Nelson County ...... Attainment/ Unclassifiable. Nicholas County ...... 1/16/18 Attainment/ Unclassifiable. Ohio County ...... 1/16/18 Attainment/ Unclassifiable. Owen County ...... 1/16/18 Attainment/ Unclassifiable. Owsley County ...... 1/16/18 Attainment/ Unclassifiable. Pendleton County ...... Attainment/ Unclassifiable. Perry County ...... 1/16/18 Attainment/ Unclassifiable. Pike County ...... 1/16/18 Attainment/ Unclassifiable. Powell County ...... 1/16/18 Attainment/ Unclassifiable. Pulaski County ...... 1/16/18 Attainment/ Unclassifiable. Robertson County ...... 1/16/18 Attainment/ Unclassifiable. Rockcastle County ...... 1/16/18 Attainment/ Unclassifiable. Rowan County ...... 1/16/18 Attainment/ Unclassifiable. Russell County ...... 1/16/18 Attainment/ Unclassifiable. Scott County ...... 1/16/18 Attainment/ Unclassifiable. Shelby County ...... Attainment/ Unclassifiable. Simpson County ...... 1/16/18 Attainment/ Unclassifiable. Spencer County ...... Attainment/ Unclassifiable. Taylor County ...... 1/16/18 Attainment/ Unclassifiable. Todd County ...... 1/16/18 Attainment/ Unclassifiable. Trigg County ...... 1/16/18 Attainment/ Unclassifiable. Trimble County ...... Attainment/ Unclassifiable. Union County ...... 1/16/18 Attainment/ Unclassifiable. Warren County ...... 1/16/18 Attainment/ Unclassifiable. Washington County ...... 1/16/18 Attainment/ Unclassifiable. Wayne County ...... 1/16/18 Attainment/ Unclassifiable. Webster County ...... 1/16/18 Attainment/ Unclassifiable. Whitley County ...... 1/16/18 Attainment/ Unclassifiable. Wolfe County ...... 1/16/18 Attainment/ Unclassifiable.

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KENTUCKY—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Woodford County ...... 1/16/18 Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * 2015 8-Hour Ozone NAAQS (Primary § 81.319 Louisiana. ■ 14. Section 81.319 is amended by and Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘Louisiana— LOUISIANA—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Acadia Parish ...... 1/16/18 Attainment/ Unclassifiable. Allen Parish ...... 1/16/18 Attainment/ Unclassifiable. Ascension Parish ...... Attainment/ Unclassifiable. Assumption Parish ...... Attainment/ Unclassifiable. Avoyelles Parish ...... 1/16/18 Attainment/ Unclassifiable. Beauregard Parish ...... 1/16/18 Attainment/ Unclassifiable. Bienville Parish ...... 1/16/18 Attainment/ Unclassifiable. Bossier Parish ...... 1/16/18 Attainment/ Unclassifiable. Caddo Parish ...... 1/16/18 Attainment/ Unclassifiable. Calcasieu Parish ...... 1/16/18 Attainment/ Unclassifiable. Caldwell Parish ...... 1/16/18 Attainment/ Unclassifiable. Cameron Parish ...... 1/16/18 Attainment/ Unclassifiable. Catahoula Parish ...... 1/16/18 Attainment/ Unclassifiable. Claiborne Parish ...... 1/16/18 Attainment/ Unclassifiable. Concordia Parish ...... 1/16/18 Attainment/ Unclassifiable. De Soto Parish ...... 1/16/18 Attainment/ Unclassifiable. East Baton Rouge Parish ...... Attainment/ Unclassifiable. East Carroll Parish ...... 1/16/18 Attainment/ Unclassifiable. East Feliciana Parish ...... Attainment/ Unclassifiable. Evangeline Parish ...... 1/16/18 Attainment/ Unclassifiable. Franklin Parish ...... 1/16/18 Attainment/ Unclassifiable. Grant Parish ...... 1/16/18 Attainment/ Unclassifiable. Iberia Parish ...... 1/16/18 Attainment/ Unclassifiable. Iberville Parish ...... Attainment/ Unclassifiable. Jackson Parish ...... 1/16/18 Attainment/ Unclassifiable. Jefferson Parish ...... 1/16/18 Attainment/ Unclassifiable. Jefferson Davis Parish ...... 1/16/18 Attainment/ Unclassifiable. Lafayette Parish ...... 1/16/18 Attainment/ Unclassifiable. Lafourche Parish ...... 1/16/18 Attainment/ Unclassifiable.

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Designation Classification Designated area 1 Date 2 Type Date 2 Type

LaSalle Parish ...... 1/16/18 Attainment/ Unclassifiable. Lincoln Parish ...... 1/16/18 Attainment/ Unclassifiable. Livingston Parish ...... Attainment/ Unclassifiable. Madison Parish ...... 1/16/18 Attainment/ Unclassifiable. Morehouse Parish ...... 1/16/18 Attainment/ Unclassifiable. Natchitoches Parish ...... 1/16/18 Attainment/ Unclassifiable. Orleans Parish ...... 1/16/18 Attainment/ Unclassifiable. Ouachita Parish ...... 1/16/18 Attainment/ Unclassifiable. Plaquemines Parish ...... 1/16/18 Attainment/ Unclassifiable. Pointe Coupee Parish ...... Attainment/ Unclassifiable. Rapides Parish ...... 1/16/18 Attainment/ Unclassifiable. Red River Parish ...... 1/16/18 Attainment/ Unclassifiable. Richland Parish ...... 1/16/18 Attainment/ Unclassifiable. Sabine Parish ...... 1/16/18 Attainment/ Unclassifiable. St. Bernard Parish ...... 1/16/18 Attainment/ Unclassifiable. St. Charles Parish ...... 1/16/18 Attainment/ Unclassifiable. St. Helena Parish ...... Attainment/ Unclassifiable. St. James Parish ...... Attainment/ Unclassifiable. St. John the Baptist Parish ...... 1/16/18 Attainment/ Unclassifiable. St. Landry Parish ...... 1/16/18 Attainment/ Unclassifiable. St. Martin Parish ...... 1/16/18 Attainment/ Unclassifiable. St. Mary Parish ...... 1/16/18 Attainment/ Unclassifiable. St. Tammany Parish ...... 1/16/18 Attainment/ Unclassifiable. Tangipahoa Parish ...... 1/16/18 Attainment/ Unclassifiable. Tensas Parish ...... 1/16/18 Attainment/ Unclassifiable. Terrebonne Parish ...... 1/16/18 Attainment/ Unclassifiable. Union Parish ...... 1/16/18 Attainment/ Unclassifiable. Vermilion Parish ...... 1/16/18 Attainment/ Unclassifiable. Vernon Parish ...... 1/16/18 Attainment/ Unclassifiable. Washington Parish ...... 1/16/18 Attainment/ Unclassifiable. Webster Parish ...... 1/16/18 Attainment/ Unclassifiable. West Baton Rouge Parish ...... Attainment/ Unclassifiable. West Carroll Parish ...... 1/16/18 Attainment/ Unclassifiable. West Feliciana Parish ...... Attainment/ Unclassifiable. Winn Parish ...... 1/16/18 Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

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* * * * * 2015 8-Hour Ozone NAAQS (Primary § 81.321 Maryland. ■ 15. Section 81.321 is amended by and Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘Maryland— MARYLAND—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Baltimore, MD ...... Nonattainment ...... Marginal. Anne Arundel County. Baltimore County. Carroll County. Harford County. Howard County. City of Baltimore. Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE ...... Nonattainment ...... Marginal. Cecil County. Washington, DC-MD-VA ...... Nonattainment ...... Marginal. Calvert County. Charles County. Frederick County. Montgomery County. Prince George’s County. Allegany County ...... 1/16/18 Attainment/ Unclassifiable. Caroline County ...... 1/16/18 Attainment/ Unclassifiable. Dorchester County ...... Attainment/ Unclassifiable. Garrett County ...... 1/16/18 Attainment/ Unclassifiable. Kent County ...... Attainment/ Unclassifiable. Queen Anne’s County ...... Attainment/ Unclassifiable. St. Mary’s County ...... Attainment/ Unclassifiable. Somerset County ...... 1/16/18 Attainment/ Unclassifiable. Talbot County ...... Attainment/ Unclassifiable. Washington County ...... Attainment/ Unclassifiable. Wicomico County ...... 1/16/18 Attainment/ Unclassifiable. Worcester County ...... 1/16/18 Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * ‘‘Massachusetts—2015 8-Hour Ozone § 81.322 Massachusetts. ■ 16. Section 81.322 is amended by NAAQS (Primary and Secondary)’’ to * * * * * revising the table titled read as follows: MASSACHUSETTS—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date Type

Barnstable County ...... 1/16/18 Attainment/ Unclassifiable. Berkshire County ...... Attainment/ Unclassifiable. Bristol County ...... 1/16/18 Attainment/ Unclassifiable. Dukes County ...... 1/16/18 Attainment/ Unclassifiable. Essex County ...... 1/16/18 Attainment/ Unclassifiable. Franklin County ...... 1/16/18 Attainment/ Unclassifiable. Hampden County ...... Attainment/ Unclassifiable.

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MASSACHUSETTS—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date Type

Hampshire County ...... 1/16/18 Attainment/ Unclassifiable. Middlesex County ...... 1/16/18 Attainment/ Unclassifiable. Nantucket County ...... 1/16/18 Attainment/ Unclassifiable. Norfolk County ...... 1/16/18 Attainment/ Unclassifiable. Plymouth County ...... 1/16/18 Attainment/ Unclassifiable. Suffolk County ...... 1/16/18 Attainment/ Unclassifiable. Worcester County ...... Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * 2015 8-Hour Ozone NAAQS (Primary § 81.323 Michigan. ■ 17. Section 81.323 is amended by and Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘Michigan— MICHIGAN—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Allegan County, MI ...... Nonattainment ...... Marginal. Allegan County (part): Casco Township, Cheshire Township, City of Douglas, City of Holland, City of Saugatuck, Clyde Township, Fillmore Township, Ganges Township, Heath Town- ship, Laketown Township, Lee Township, Manlus Township, Overisel Township, Saugatuck Township, and Valley Township. Berrien County, MI ...... Nonattainment ...... Marginal. Berrien County. Detroit, MI ...... Nonattainment ...... Marginal. Livingston County. Macomb County. Monroe County. Oakland County. St. Clair County. Washtenaw County. Wayne County. Muskegon County, MI ...... Nonattainment ...... Marginal. Muskegon County (part): Blue Lake Township, City of Montague, City of Muskegon, City of Muskegon Heights, City of North Muskegon, City of Roosevelt Park, City of Whitehall, Dalton Township, (incl. Village of Lakewood Club), Fruitland Township, Fruitport Town- ship, (incl. Village of Fruitport) Laketon Township, Montague Township, Mus- kegon Township, Norton Shores Township, White River Township, and Whitehall Township. Alcona County ...... 1/16/18 Attainment/ Unclassifiable. Allegan County (part) remainder ...... Attainment/ Unclassifiable. Alger County ...... 1/16/18 Attainment/ Unclassifiable. Alpena County ...... 1/16/18 Attainment/ Unclassifiable. Antrim County ...... 1/16/18 Attainment/ Unclassifiable. Arenac County ...... 1/16/18 Attainment/ Unclassifiable. Baraga County ...... 1/16/18 Attainment/ Unclassifiable. Barry County ...... Attainment/ Unclassifiable. Bay County ...... 1/16/18 Attainment/ Unclassifiable. Benzie County ...... 1/16/18 Attainment/ Unclassifiable.

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MICHIGAN—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Branch County ...... 1/16/18 Attainment/ Unclassifiable. Calhoun County ...... 1/16/18 Attainment/ Unclassifiable. Cass County ...... Attainment/ Unclassifiable. Charlevoix County ...... 1/16/18 Attainment/ Unclassifiable. Cheboygan County ...... 1/16/18 Attainment/ Unclassifiable. Chippewa County ...... 1/16/18 Attainment/ Unclassifiable. Clare County ...... 1/16/18 Attainment/ Unclassifiable. Clinton County ...... 1/16/18 Attainment/ Unclassifiable. Crawford County ...... 1/16/18 Attainment/ Unclassifiable. Delta County ...... 1/16/18 Attainment/ Unclassifiable. Dickinson County ...... 1/16/18 Attainment/ Unclassifiable. Eaton County ...... 1/16/18 Attainment/ Unclassifiable. Emmet County ...... 1/16/18 Attainment/ Unclassifiable. Genesee County ...... Attainment/ Unclassifiable. Gladwin County ...... 1/16/18 Attainment/ Unclassifiable. Gogebic County ...... 1/16/18 Attainment/ Unclassifiable. Grand Traverse County ...... 1/16/18 Attainment/ Unclassifiable. Gratiot County ...... 1/16/18 Attainment/ Unclassifiable. Hillsdale County ...... 1/16/18 Attainment/ Unclassifiable. Houghton County ...... 1/16/18 Attainment/ Unclassifiable. Huron County ...... 1/16/18 Attainment/ Unclassifiable. Ingham County ...... 1/16/18 Attainment/ Unclassifiable. Ionia County ...... Attainment/ Unclassifiable. Iosco County ...... 1/16/18 Attainment/ Unclassifiable. Iron County ...... 1/16/18 Attainment/ Unclassifiable. Isabella County ...... 1/16/18 Attainment/ Unclassifiable. Jackson County ...... 1/16/18 Attainment/ Unclassifiable. Kalamazoo County ...... Attainment/ Unclassifiable. Kalkaska County ...... 1/16/18 Attainment/ Unclassifiable. Kent County ...... Attainment/ Unclassifiable. Keweenaw County ...... 1/16/18 Attainment/ Unclassifiable. Lake County ...... 1/16/18 Attainment/ Unclassifiable. Lapeer County ...... Attainment/ Unclassifiable. Leelanau County ...... 1/16/18 Attainment/ Unclassifiable. Lenawee County ...... Attainment/ Unclassifiable. Luce County ...... 1/16/18 Attainment/ Unclassifiable. Mackinac County ...... 1/16/18 Attainment/ Unclassifiable. Manistee County ...... 1/16/18 Attainment/ Unclassifiable. Marquette County ...... 1/16/18 Attainment/ Unclassifiable.

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MICHIGAN—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Mason County ...... 1/16/18 Attainment/ Unclassifiable. Mecosta County ...... Attainment/ Unclassifiable. Menominee County ...... 1/16/18 Attainment/ Unclassifiable. Midland County ...... 1/16/18 Attainment/ Unclassifiable. Missaukee County ...... 1/16/18 Attainment/ Unclassifiable. Montcalm County ...... Attainment/ Unclassifiable. Montmorency County ...... 1/16/18 Attainment/ Unclassifiable. Muskegon County (part) remainder ...... Attainment/ Unclassifiable. Newaygo County ...... Attainment/ Unclassifiable. Oceana County ...... Attainment/ Unclassifiable. Ogemaw County ...... 1/16/18 Attainment/ Unclassifiable. Ontonagon County ...... 1/16/18 Attainment/ Unclassifiable. Osceola County ...... 1/16/18 Attainment/ Unclassifiable. Oscoda County ...... 1/16/18 Attainment/ Unclassifiable. Otsego County ...... 1/16/18 Attainment/ Unclassifiable. Ottawa County ...... Attainment/ Unclassifiable. Presque Isle County ...... 1/16/18 Attainment/ Unclassifiable. Roscommon County ...... 1/16/18 Attainment/ Unclassifiable. Saginaw County ...... 1/16/18 Attainment/ Unclassifiable. St. Joseph County ...... 1/16/18 Attainment/ Unclassifiable. Schoolcraft County ...... 1/16/18 Attainment/ Unclassifiable. Sanilac County ...... Attainment/ Unclassifiable. Shiawassee County ...... 1/16/18 Attainment/ Unclassifiable. Tuscola County ...... 1/16/18 Attainment/ Unclassifiable. Van Buren County ...... Attainment/ Unclassifiable. Wexford County ...... 1/16/18 Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * 2015 8-Hour Ozone NAAQS (Primary § 81.326 Missouri. ■ 18. Section 81.326 is amended by and Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘Missouri— MISSOURI—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

St. Louis, MO-IL ...... Nonattainment ...... Marginal. Franklin County (part): Boles Township. St. Charles County. St. Louis County. City of St. Louis.

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Designation Classification Designated area 1 Date 2 Type Date 2 Type

Adair County ...... 1/16/18 Attainment/ Unclassifiable. Andrew County ...... 1/16/18 Attainment/ Unclassifiable. Atchison County ...... 1/16/18 Attainment/ Unclassifiable. Audrain County ...... 1/16/18 Attainment/ Unclassifiable. Barry County ...... 1/16/18 Attainment/ Unclassifiable. Barton County ...... 1/16/18 Attainment/ Unclassifiable. Bates County ...... 1/16/18 Attainment/ Unclassifiable. Benton County ...... 1/16/18 Attainment/ Unclassifiable. Bollinger County ...... 1/16/18 Attainment/ Unclassifiable. Boone County ...... 1/16/18 Attainment/ Unclassifiable. Buchanan County ...... 1/16/18 Attainment/ Unclassifiable. Butler County ...... 1/16/18 Attainment/ Unclassifiable. Caldwell County ...... 1/16/18 Attainment/ Unclassifiable. Callaway County ...... 1/16/18 Attainment/ Unclassifiable. Camden County ...... 1/16/18 Attainment/ Unclassifiable. Cape Girardeau County ...... 1/16/18 Attainment/ Unclassifiable. Carroll County ...... 1/16/18 Attainment/ Unclassifiable. Carter County ...... 1/16/18 Attainment/ Unclassifiable. Cass County ...... 1/16/18 Attainment/ Unclassifiable. Cedar County ...... 1/16/18 Attainment/ Unclassifiable. Chariton County ...... 1/16/18 Attainment/ Unclassifiable. Christian County ...... 1/16/18 Attainment/ Unclassifiable. Clark County ...... 1/16/18 Attainment/ Unclassifiable. Clay County ...... 1/16/18 Attainment/ Unclassifiable. Clinton County ...... 1/16/18 Attainment/ Unclassifiable. Cole County ...... 1/16/18 Attainment/ Unclassifiable. Cooper County ...... 1/16/18 Attainment/ Unclassifiable. Crawford County ...... 1/16/18 Attainment/ Unclassifiable. Dade County ...... 1/16/18 Attainment/ Unclassifiable. Dallas County ...... 1/16/18 Attainment/ Unclassifiable. Daviess County ...... 1/16/18 Attainment/ Unclassifiable. DeKalb County ...... 1/16/18 Attainment/ Unclassifiable. Dent County ...... 1/16/18 Attainment/ Unclassifiable. Douglas County ...... 1/16/18 Attainment/ Unclassifiable. Dunklin County ...... 1/16/18 Attainment/ Unclassifiable. Franklin County (part) remainder ...... Attainment/ Unclassifiable. Gasconade County ...... 1/16/18 Attainment/ Unclassifiable. Gentry County ...... 1/16/18 Attainment/ Unclassifiable. Greene County ...... 1/16/18 Attainment/ Unclassifiable.

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MISSOURI—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Grundy County ...... 1/16/18 Attainment/ Unclassifiable. Harrison County ...... 1/16/18 Attainment/ Unclassifiable. Henry County ...... 1/16/18 Attainment/ Unclassifiable. Hickory County ...... 1/16/18 Attainment/ Unclassifiable. Holt County ...... 1/16/18 Attainment/ Unclassifiable. Howard County ...... 1/16/18 Attainment/ Unclassifiable. Howell County ...... 1/16/18 Attainment/ Unclassifiable. Iron County ...... 1/16/18 Attainment/ Unclassifiable. Jackson County ...... 1/16/18 Attainment/ Unclassifiable. Jasper County ...... 1/16/18 Attainment/ Unclassifiable. Jefferson County ...... Attainment/ Unclassifiable. Johnson County ...... 1/16/18 Attainment/ Unclassifiable. Knox County ...... 1/16/18 Attainment/ Unclassifiable. Laclede County ...... 1/16/18 Attainment/ Unclassifiable. Lafayette County ...... 1/16/18 Attainment/ Unclassifiable. Lawrence County ...... 1/16/18 Attainment/ Unclassifiable. Lewis County ...... 1/16/18 Attainment/ Unclassifiable. Lincoln County ...... Attainment/ Unclassifiable. Linn County ...... 1/16/18 Attainment/ Unclassifiable. Livingston County ...... 1/16/18 Attainment/ Unclassifiable. McDonald County ...... 1/16/18 Attainment/ Unclassifiable. Macon County ...... 1/16/18 Attainment/ Unclassifiable. Madison County ...... 1/16/18 Attainment/ Unclassifiable. Maries County ...... 1/16/18 Attainment/ Unclassifiable. Marion County ...... 1/16/18 Attainment/ Unclassifiable. Mercer County ...... 1/16/18 Attainment/ Unclassifiable. Miller County ...... 1/16/18 Attainment/ Unclassifiable. Mississippi County ...... 1/16/18 Attainment/ Unclassifiable. Moniteau County ...... 1/16/18 Attainment/ Unclassifiable. Monroe County ...... 1/16/18 Attainment/ Unclassifiable. Montgomery County ...... 1/16/18 Attainment/ Unclassifiable. Morgan County ...... 1/16/18 Attainment/ Unclassifiable. New Madrid County ...... 1/16/18 Attainment/ Unclassifiable. Newton County ...... 1/16/18 Attainment/ Unclassifiable. Nodaway County ...... 1/16/18 Attainment/ Unclassifiable. Oregon County ...... 1/16/18 Attainment/ Unclassifiable. Osage County ...... 1/16/18 Attainment/ Unclassifiable. Ozark County ...... 1/16/18 Attainment/ Unclassifiable. Pemiscot County ...... 1/16/18 Attainment/ Unclassifiable.

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MISSOURI—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Perry County ...... 1/16/18 Attainment/ Unclassifiable. Pettis County ...... 1/16/18 Attainment/ Unclassifiable. Phelps County ...... 1/16/18 Attainment/ Unclassifiable. Pike County ...... 1/16/18 Attainment/ Unclassifiable. Platte County ...... 1/16/18 Attainment/ Unclassifiable. Polk County ...... 1/16/18 Attainment/ Unclassifiable. Pulaski County ...... 1/16/18 Attainment/ Unclassifiable. Putnam County ...... 1/16/18 Attainment/ Unclassifiable. Ralls County ...... 1/16/18 Attainment/ Unclassifiable. Randolph County ...... 1/16/18 Attainment/ Unclassifiable. Ray County ...... 1/16/18 Attainment/ Unclassifiable. Reynolds County ...... 1/16/18 Attainment/ Unclassifiable. Ripley County ...... 1/16/18 Attainment/ Unclassifiable. St. Clair County ...... 1/16/18 Attainment/ Unclassifiable. St. Francois County ...... Attainment/ Unclassifiable. Ste. Genevieve County ...... 1/16/18 Attainment/ Unclassifiable. Saline County ...... 1/16/18 Attainment/ Unclassifiable. Schuyler County ...... 1/16/18 Attainment/ Unclassifiable. Scotland County ...... 1/16/18 Attainment/ Unclassifiable. Scott County ...... 1/16/18 Attainment/ Unclassifiable. Shannon County ...... 1/16/18 Attainment/ Unclassifiable. Shelby County ...... 1/16/18 Attainment/ Unclassifiable. Stoddard County ...... 1/16/18 Attainment/ Unclassifiable. Stone County ...... 1/16/18 Attainment/ Unclassifiable. Sullivan County ...... 1/16/18 Attainment/ Unclassifiable. Taney County ...... 1/16/18 Attainment/ Unclassifiable. Texas County ...... 1/16/18 Attainment/ Unclassifiable. Vernon County ...... 1/16/18 Attainment/ Unclassifiable. Warren County ...... Attainment/ Unclassifiable. Washington County ...... 1/16/18 Attainment/ Unclassifiable. Wayne County ...... 1/16/18 Attainment/ Unclassifiable. Webster County ...... 1/16/18 Attainment/ Unclassifiable. Worth County ...... 1/16/18 Attainment/ Unclassifiable. Wright County ...... 1/16/18 Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * ■ 19. Section 81.329 is amended by 8-Hour Ozone NAAQS (Primary and revising the table titled ‘‘Nevada—2015 Secondary)’’ to read as follows:

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§ 81.329 Nevada. * * * * * NEVADA—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Las Vegas, NV ...... Nonattainment ...... Marginal. Clark County (part): That portion of Clark County that lies in hydrographic area 212.3 Las Vegas Tribe of Paiute Indians of the Las Vegas Indian Colony. Rest of State ...... Attainment/ Unclassifiable. Carson City. Churchill County ...... 1/16/18 Clark County (part) remainder. Douglas County. Elko County ...... 1/16/18 Esmeralda County ...... 1/16/18 Eureka County ...... 1/16/18 Humboldt County ...... 1/16/18 Lander County ...... 1/16/18 Lincoln County. Lyon County ...... 1/16/18 Mineral County ...... 1/16/18 Nye County. Pershing County ...... 1/16/18 Storey County ...... 1/16/18 Washoe County. White Pine County ...... 1/16/18 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted. 3 Hydrographic areas are shown on the State of Nevada Division of Water Resources’ map titled Water Resources and Inter-basin Flows (September 1971).

* * * * * and Secondary)’’ following the table § 81.331 New Jersey. ■ 20. Section 81.331 is amended by titled ‘‘New Jersey—2008 8-Hour Ozone * * * * * adding a new table titled ‘‘New Jersey— NAAQS (Primary and Secondary)’’ to 2015 8-Hour Ozone NAAQS (Primary read as follows: NEW JERSEY—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

New York-Northern New Jersey-Long Island, NY-NJ-CT ...... Nonattainment ...... Moderate. Bergen County. Essex County. Hudson County. Hunterdon County. Middlesex County. Monmouth County. Morris County. Passaic County. Somerset County. Sussex County. Union County. Warren County. Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE ...... Nonattainment ...... Marginal. Atlantic County. Burlington County. Camden County. Cape May County. Cumberland County. Gloucester County. Mercer County. Ocean County. Salem County. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

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* * * * * 2015 8-Hour Ozone NAAQS (Primary § 81.332 New Mexico. ■ 21. Section 81.332 is amended by and Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘New Mexico— NEW MEXICO—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Don˜a Ana County (Sunland Park Area), NM ...... Nonattainment ...... Marginal. Don˜a Ana County (part): The area bounded on the New Mexico-Texas state line on the east, the New Mex- ico-Mexico international line on the south, latitude N31°49′30″ on the north, and longitude W106°36′36″ on the west. Rest of State: Bernalillo County ...... 1/16/18 Attainment/ Unclassifiable. Catron County ...... 1/16/18 Attainment/ Unclassifiable. Chaves County ...... 1/16/18 Attainment/ Unclassifiable. Cibola County ...... 1/16/18 Attainment/ Unclassifiable. Colfax County ...... 1/16/18 Attainment/ Unclassifiable. Curry County ...... 1/16/18 Attainment/ Unclassifiable. Don˜a Ana County (part) remainder ...... Attainment/ Unclassifiable. De Baca County ...... 1/16/18 Attainment/ Unclassifiable. Eddy County ...... 1/16/18 Attainment/ Unclassifiable. Grant County ...... 1/16/18 Attainment/ Unclassifiable. Guadalupe County ...... 1/16/18 Attainment/ Unclassifiable. Harding County ...... 1/16/18 Attainment/ Unclassifiable. Hidalgo County ...... 1/16/18 Attainment/ Unclassifiable. Lea County ...... 1/16/18 Attainment/ Unclassifiable. Lincoln County ...... 1/16/18 Attainment/ Unclassifiable. Los Alamos County ...... 1/16/18 Attainment/ Unclassifiable. Luna County ...... Attainment/ Unclassifiable. McKinley County ...... 1/16/18 Attainment/ Unclassifiable. Mora County ...... 1/16/18 Attainment/ Unclassifiable. Otero County ...... Attainment/ Unclassifiable. Quay County ...... 1/16/18 Attainment/ Unclassifiable. Rio Arriba County ...... 1/16/18 Attainment/ Unclassifiable. Roosevelt County ...... 1/16/18 Attainment/ Unclassifiable. Sandoval County ...... 1/16/18 Attainment/ Unclassifiable. San Juan County ...... 1/16/18 Attainment/ Unclassifiable. San Miguel County ...... 1/16/18 Attainment/ Unclassifiable. Santa Fe County ...... 1/16/18 Attainment/ Unclassifiable. Sierra County ...... Attainment/ Unclassifiable. Socorro County ...... 1/16/18 Attainment/ Unclassifiable. Taos County ...... 1/16/18 Attainment/ Unclassifiable. Torrance County ...... 1/16/18 Attainment/ Unclassifiable. Union County ...... 1/16/18 Attainment/ Unclassifiable.

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NEW MEXICO—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Valencia County ...... 1/16/18 Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * 2015 8-Hour Ozone NAAQS (Primary § 81.333 New York. ■ 22. Section 81.333 is amended by and Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘New York— NEW YORK—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

New York-Northern New Jersey-Long Island, NY-NJ-CT ...... Nonattainment ...... Moderate. Bronx County. Kings County. Nassau County. New York County. Queens County. Richmond County. Rockland County. Suffolk County. Westchester County. Poughkeepsie Area, NY ...... Attainment/ Unclassifiable. Dutchess County. Orange County. Putnam County. Kingston Area, NY ...... Attainment/ Unclassifiable. Ulster County. Albany County ...... 1/16/18 Attainment/ Unclassifiable. Allegany County ...... 1/16/18 Attainment/ Unclassifiable. Broome County ...... 1/16/18 Attainment/ Unclassifiable. Cattaraugus County ...... 1/16/18 Attainment/ Unclassifiable. Cayuga County ...... 1/16/18 Attainment/ Unclassifiable. Chautauqua County ...... 1/16/18 Attainment/ Unclassifiable. Chemung County ...... 1/16/18 Attainment/ Unclassifiable. Chenango County ...... 1/16/18 Attainment/ Unclassifiable. Clinton County ...... 1/16/18 Attainment/ Unclassifiable. Columbia County ...... 1/16/18 Attainment/ Unclassifiable. County ...... 1/16/18 Attainment/ Unclassifiable. Delaware County ...... 1/16/18 Attainment/ Unclassifiable. Erie County ...... 1/16/18 Attainment/ Unclassifiable. Essex County ...... 1/16/18 Attainment/ Unclassifiable. Franklin County ...... 1/16/18 Attainment/ Unclassifiable. Fulton County ...... 1/16/18 Attainment/ Unclassifiable. Genesee County ...... 1/16/18 Attainment/ Unclassifiable. Greene County ...... 1/16/18 Attainment/ Unclassifiable. Hamilton County ...... 1/16/18 Attainment/ Unclassifiable. Herkimer County ...... 1/16/18 Attainment/ Unclassifiable.

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NEW YORK—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Jefferson County ...... 1/16/18 Attainment/ Unclassifiable. Lewis County ...... 1/16/18 Attainment/ Unclassifiable. Livingston County ...... 1/16/18 Attainment/ Unclassifiable. Madison County ...... 1/16/18 Attainment/ Unclassifiable. Monroe County ...... 1/16/18 Attainment/ Unclassifiable. Montgomery County ...... 1/16/18 Attainment/ Unclassifiable. Niagara County ...... 1/16/18 Attainment/ Unclassifiable. Oneida County ...... 1/16/18 Attainment/ Unclassifiable. Onondaga County ...... 1/16/18 Attainment/ Unclassifiable. Ontario County ...... 1/16/18 Attainment/ Unclassifiable. Orleans County ...... 1/16/18 Attainment/ Unclassifiable. Oswego County ...... 1/16/18 Attainment/ Unclassifiable. Otsego County ...... 1/16/18 Attainment/ Unclassifiable. Rensselaer County ...... 1/16/18 Attainment/ Unclassifiable. St. Lawrence County ...... 1/16/18 Attainment/ Unclassifiable. Saratoga County ...... 1/16/18 Attainment/ Unclassifiable. Schenectady County ...... 1/16/18 Attainment/ Unclassifiable. Schoharie County ...... 1/16/18 Attainment/ Unclassifiable. Schuyler County ...... 1/16/18 Attainment/ Unclassifiable. Seneca County ...... 1/16/18 Attainment/ Unclassifiable. Steuben County ...... 1/16/18 Attainment/ Unclassifiable. Sullivan County ...... 1/16/18 Attainment/ Unclassifiable. Tioga County ...... 1/16/18 Attainment/ Unclassifiable. Tompkins County ...... 1/16/18 Attainment/ Unclassifiable. Warren County ...... 1/16/18 Attainment/ Unclassifiable. Washington County ...... 1/16/18 Attainment/ Unclassifiable. Wayne County ...... 1/16/18 Attainment/ Unclassifiable. Wyoming County ...... 1/16/18 Attainment/ Unclassifiable. Yates County ...... 1/16/18 Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * Hour Ozone NAAQS (Primary and § 81.336 Ohio. ■ 23. Section 81.336 is amended by Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘Ohio—2015 8- OHIO—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Cincinnati, OH-KY ...... Nonattainment ...... Marginal.

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OHIO—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Butler County. Clermont County. Hamilton County. Warren County. Cleveland, OH ...... Nonattainment ...... Marginal. Cuyahoga County. Geauga County. Lake County. Lorain County. Medina County. Portage County. Summit County. Columbus, OH ...... Nonattainment ...... Marginal. Delaware County. Fairfield County. Franklin County. Licking County. Adams County ...... 1/16/18 Attainment/ Unclassifiable. Allen County ...... 1/16/18 Attainment/ Unclassifiable. Ashland County ...... 1/16/18 Attainment/ Unclassifiable. Ashtabula County ...... Attainment/ Unclassifiable. Athens County ...... 1/16/18 Attainment/ Unclassifiable. Auglaize County ...... 1/16/18 Attainment/ Unclassifiable. Belmont County ...... 1/16/18 Attainment/ Unclassifiable. Brown County ...... Attainment/ Unclassifiable. Champaign County ...... 1/16/18 Attainment/ Unclassifiable. Clark County ...... 1/16/18 Attainment/ Unclassifiable. Clinton County ...... Attainment/ Unclassifiable. Columbiana County ...... 1/16/18 Attainment/ Unclassifiable. Coshocton County ...... 1/16/18 Attainment/ Unclassifiable. Crawford County ...... 1/16/18 Attainment/ Unclassifiable. Darke County ...... 1/16/18 Attainment/ Unclassifiable. Defiance County ...... 1/16/18 Attainment/ Unclassifiable. Erie County ...... Attainment/ Unclassifiable. Fayette County ...... Attainment/ Unclassifiable. Fulton County ...... 1/16/18 Attainment/ Unclassifiable. Gallia County ...... 1/16/18 Attainment/ Unclassifiable. Greene County ...... Attainment/ Unclassifiable. Guernsey County ...... Attainment/ Unclassifiable. Hancock County ...... 1/16/18 Attainment/ Unclassifiable. Hardin County ...... 1/16/18 Attainment/ Unclassifiable. Harrison County ...... 1/16/18 Attainment/ Unclassifiable. Henry County ...... 1/16/18 Attainment/ Unclassifiable. Highland County ...... 1/16/18 Attainment/ Unclassifiable. Hocking County ...... Attainment/ Unclassifiable. Holmes County ...... 1/16/18 Attainment/ Unclassifiable. Huron County ...... Attainment/ Unclassifiable.

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OHIO—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Jackson County ...... 1/16/18 Attainment/ Unclassifiable. Jefferson County ...... 1/16/18 Attainment/ Unclassifiable. Knox County ...... Attainment/ Unclassifiable. Lawrence County ...... 1/16/18 Attainment/ Unclassifiable. Logan County ...... Attainment/ Unclassifiable. Lucas County ...... 1/16/18 Attainment/ Unclassifiable. Madison County ...... Attainment/ Unclassifiable. Mahoning County ...... 1/16/18 Attainment/ Unclassifiable. Marion County ...... Attainment/ Unclassifiable. Meigs County ...... 1/16/18 Attainment/ Unclassifiable. Mercer County ...... 1/16/18 Attainment/ Unclassifiable. Miami County ...... 1/16/18 Attainment/ Unclassifiable. Monroe County ...... 1/16/18 Attainment/ Unclassifiable. Montgomery County ...... Attainment/ Unclassifiable. Morgan County ...... 1/16/18 Attainment/ Unclassifiable. Morrow County ...... Attainment/ Unclassifiable. Muskingum County ...... Attainment/ Unclassifiable. Noble County ...... 1/16/18 Attainment/ Unclassifiable. Ottawa County ...... 1/16/18 Attainment/ Unclassifiable. Paulding County ...... 1/16/18 Attainment/ Unclassifiable. Perry County ...... Attainment/ Unclassifiable. Pickaway County ...... Attainment/ Unclassifiable. Pike County ...... 1/16/18 Attainment/ Unclassifiable. Preble County ...... Attainment/ Unclassifiable. Putnam County ...... 1/16/18 Attainment/ Unclassifiable. Richland County ...... 1/16/18 Attainment/ Unclassifiable. Ross County ...... Attainment/ Unclassifiable. Sandusky County ...... 1/16/18 Attainment/ Unclassifiable. Scioto County ...... 1/16/18 Attainment/ Unclassifiable. Seneca County ...... 1/16/18 Attainment/ Unclassifiable. Shelby County ...... 1/16/18 Attainment/ Unclassifiable. Stark County ...... Attainment/ Unclassifiable. Trumbull County ...... Attainment/ Unclassifiable. Tuscarawas County ...... Attainment/ Unclassifiable. Union County ...... Attainment/ Unclassifiable. Vinton County ...... 1/16/18 Attainment/ Unclassifiable. Washington County ...... 1/16/18 Attainment/ Unclassifiable. Wayne County ...... 1/16/18 Attainment/ Unclassifiable. Williams County ...... 1/16/18 Attainment/ Unclassifiable.

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OHIO—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Wood County ...... 1/16/18 Attainment/ Unclassifiable. Wyandot County ...... 1/16/18 Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * 2015 8-Hour Ozone NAAQS (Primary § 81.337 Oklahoma. ■ 24. Section 81.337 is amended by and Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘Oklahoma— OKLAHOMA—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Adair County ...... 1/16/18 Attainment/ Unclassifiable. Alfalfa County ...... 1/16/18 Attainment/ Unclassifiable. Atoka County ...... 1/16/18 Attainment/ Unclassifiable. Beaver County ...... 1/16/18 Attainment/ Unclassifiable. Beckham County ...... 1/16/18 Attainment/ Unclassifiable. Blaine County ...... 1/16/18 Attainment/ Unclassifiable. Bryan County ...... Attainment/ Unclassifiable. Caddo County ...... 1/16/18 Attainment/ Unclassifiable. Canadian County ...... 1/16/18 Attainment/ Unclassifiable. Carter County ...... 1/16/18 Attainment/ Unclassifiable. Cherokee County ...... 1/16/18 Attainment/ Unclassifiable. Choctaw County ...... 1/16/18 Attainment/ Unclassifiable. Cimarron County ...... 1/16/18 Attainment/ Unclassifiable. Cleveland County ...... 1/16/18 Attainment/ Unclassifiable. Coal County ...... 1/16/18 Attainment/ Unclassifiable. Comanche County ...... 1/16/18 Attainment/ Unclassifiable. Cotton County ...... 1/16/18 Attainment/ Unclassifiable. Craig County ...... 1/16/18 Attainment/ Unclassifiable. Creek County ...... 1/16/18 Attainment/ Unclassifiable. Custer County ...... 1/16/18 Attainment/ Unclassifiable. Delaware County ...... 1/16/18 Attainment/ Unclassifiable. Dewey County ...... 1/16/18 Attainment/ Unclassifiable. Ellis County ...... 1/16/18 Attainment/ Unclassifiable. Garfield County ...... 1/16/18 Attainment/ Unclassifiable. Garvin County ...... 1/16/18 Attainment/ Unclassifiable. Grady County ...... 1/16/18 Attainment/ Unclassifiable. Grant County ...... 1/16/18 Attainment/ Unclassifiable.

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OKLAHOMA—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Greer County ...... 1/16/18 Attainment/ Unclassifiable. Harmon County ...... 1/16/18 Attainment/ Unclassifiable. Harper County ...... 1/16/18 Attainment/ Unclassifiable. Haskell County ...... 1/16/18 Attainment/ Unclassifiable. Hughes County ...... 1/16/18 Attainment/ Unclassifiable. Jackson County ...... 1/16/18 Attainment/ Unclassifiable. Jefferson County ...... 1/16/18 Attainment/ Unclassifiable. Johnston County ...... 1/16/18 Attainment/ Unclassifiable. Kay County ...... 1/16/18 Attainment/ Unclassifiable. Kingfisher County ...... 1/16/18 Attainment/ Unclassifiable. Kiowa County ...... 1/16/18 Attainment/ Unclassifiable. Latimer County ...... 1/16/18 Attainment/ Unclassifiable. Le Flore County ...... 1/16/18 Attainment/ Unclassifiable. Lincoln County ...... 1/16/18 Attainment/ Unclassifiable. Logan County ...... 1/16/18 Attainment/ Unclassifiable. Love County ...... 1/16/18 Attainment/ Unclassifiable. McClain County ...... 1/16/18 Attainment/ Unclassifiable. McCurtain County ...... 1/16/18 Attainment/ Unclassifiable. McIntosh County ...... 1/16/18 Attainment/ Unclassifiable. Major County ...... 1/16/18 Attainment/ Unclassifiable. Marshall County ...... 1/16/18 Attainment/ Unclassifiable. Mayes County ...... 1/16/18 Attainment/ Unclassifiable. Murray County ...... 1/16/18 Attainment/ Unclassifiable. Muskogee County ...... 1/16/18 Attainment/ Unclassifiable. Noble County ...... 1/16/18 Attainment/ Unclassifiable. Nowata County ...... 1/16/18 Attainment/ Unclassifiable. Okfuskee County ...... 1/16/18 Attainment/ Unclassifiable. Oklahoma County ...... 1/16/18 Attainment/ Unclassifiable. Okmulgee County ...... 1/16/18 Attainment/ Unclassifiable. Osage County ...... 1/16/18 Attainment/ Unclassifiable. Ottawa County ...... 1/16/18 Attainment/ Unclassifiable. Pawnee County ...... 1/16/18 Attainment/ Unclassifiable. Payne County ...... 1/16/18 Attainment/ Unclassifiable. Pittsburg County ...... 1/16/18 Attainment/ Unclassifiable. Pontotoc County ...... 1/16/18 Attainment/ Unclassifiable. Pottawatomie County ...... 1/16/18 Attainment/ Unclassifiable. Pushmataha County ...... 1/16/18 Attainment/ Unclassifiable. Roger Mills County ...... 1/16/18 Attainment/ Unclassifiable. Rogers County ...... 1/16/18 Attainment/ Unclassifiable.

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OKLAHOMA—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Seminole County ...... 1/16/18 Attainment/ Unclassifiable. Sequoyah County ...... 1/16/18 Attainment/ Unclassifiable. Stephens County ...... 1/16/18 Attainment/ Unclassifiable. Texas County ...... 1/16/18 Attainment/ Unclassifiable. Tillman County ...... 1/16/18 Attainment/ Unclassifiable. Tulsa County ...... 1/16/18 Attainment/ Unclassifiable. Wagoner County ...... 1/16/18 Attainment/ Unclassifiable. Washington County ...... 1/16/18 Attainment/ Unclassifiable. Washita County ...... 1/16/18 Attainment/ Unclassifiable. Woods County ...... 1/16/18 Attainment/ Unclassifiable. Woodward County ...... 1/16/18 Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * 8-Hour Ozone NAAQS (Primary and § 81.338 Oregon. ■ 25. Section 81.338 is amended by Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘Oregon—2015 OREGON—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Baker County ...... 1/16/18 Attainment/ Unclassifiable. Benton County ...... Attainment/ Unclassifiable. Clackamas County ...... Attainment/ Unclassifiable. Clatsop County ...... 1/16/18 Attainment/ Unclassifiable. Columbia County ...... Attainment/ Unclassifiable. Coos County ...... 1/16/18 Attainment/ Unclassifiable. Crook County ...... 1/16/18 Attainment/ Unclassifiable. Curry County ...... 1/16/18 Attainment/ Unclassifiable. Deschutes County ...... 1/16/18 Attainment/ Unclassifiable. Douglas County ...... 1/16/18 Attainment/ Unclassifiable. Gilliam County ...... 1/16/18 Attainment/ Unclassifiable. Grant County ...... 1/16/18 Attainment/ Unclassifiable. Harney County ...... 1/16/18 Attainment/ Unclassifiable. Hood River County ...... 1/16/18 Attainment/ Unclassifiable. Jackson County ...... 1/16/18 Attainment/ Unclassifiable. Jefferson County ...... 1/16/18 Attainment/ Unclassifiable. Josephine County ...... 1/16/18 Attainment/ Unclassifiable. Klamath County ...... 1/16/18 Attainment/ Unclassifiable.

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OREGON—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Lake County ...... 1/16/18 Attainment/ Unclassifiable. Lane County ...... 1/16/18 Attainment/ Unclassifiable. Lincoln County ...... 1/16/18 Attainment/ Unclassifiable. Linn County ...... Attainment/ Unclassifiable. Malheur County ...... 1/16/18 Attainment/ Unclassifiable. Marion County ...... Attainment/ Unclassifiable. Morrow County ...... 1/16/18 Attainment/ Unclassifiable. Multnomah County ...... Attainment/ Unclassifiable. Polk County ...... Attainment/ Unclassifiable. Sherman County ...... 1/16/18 Attainment/ Unclassifiable. Tillamook County ...... 1/16/18 Attainment/ Unclassifiable. Umatilla County ...... 1/16/18 Attainment/ Unclassifiable. Union County ...... 1/16/18 Attainment/ Unclassifiable. Wallowa County ...... 1/16/18 Attainment/ Unclassifiable. Wasco County ...... 1/16/18 Attainment/ Unclassifiable. Washington County ...... Attainment/ Unclassifiable. Wheeler County ...... 1/16/18 Attainment/ Unclassifiable. Yamhill County ...... Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * 2015 8-Hour Ozone NAAQS (Primary § 81.339 Pennsylvania. ■ 26. Section 81.339 is amended by and Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘Pennsylvania— PENNSYLVANIA—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE ...... Nonattainment ...... Marginal. Bucks County. Chester County. Delaware County. Montgomery County. Philadelphia County. Adams County ...... Attainment/ Unclassifiable. Allegheny County ...... 1/16/18 Attainment/ Unclassifiable. Armstrong County ...... 1/16/18 Attainment/ Unclassifiable. Beaver County ...... 1/16/18 Attainment/ Unclassifiable. Bedford County ...... 1/16/18 Attainment/ Unclassifiable. Berks County ...... Attainment/ Unclassifiable. Blair County ...... 1/16/18 Attainment/ Unclassifiable. Bradford County ...... 1/16/18 Attainment/ Unclassifiable.

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PENNSYLVANIA—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Butler County ...... 1/16/18 Attainment/ Unclassifiable. Cambria County ...... 1/16/18 Attainment/ Unclassifiable. Cameron County ...... 1/16/18 Attainment/ Unclassifiable. Centre County ...... 1/16/18 Attainment/ Unclassifiable. Clarion County ...... 1/16/18 Attainment/ Unclassifiable. Clearfield County ...... 1/16/18 Attainment/ Unclassifiable. Clinton County ...... 1/16/18 Attainment/ Unclassifiable. Columbia County ...... 1/16/18 Attainment/ Unclassifiable. Crawford County ...... 1/16/18 Attainment/ Unclassifiable. Cumberland County ...... Attainment/ Unclassifiable. Dauphin County ...... Attainment/ Unclassifiable. Elk County ...... 1/16/18 Attainment/ Unclassifiable. Erie County ...... 1/16/18 Attainment/ Unclassifiable. Fayette County ...... 1/16/18 Attainment/ Unclassifiable. Forest County ...... 1/16/18 Attainment/ Unclassifiable. Franklin County ...... Attainment/ Unclassifiable. Fulton County ...... 1/16/18 Attainment/ Unclassifiable. Greene County ...... 1/16/18 Attainment/ Unclassifiable. Huntingdon County ...... 1/16/18 Attainment/ Unclassifiable. Indiana County ...... 1/16/18 Attainment/ Unclassifiable. Jefferson County ...... 1/16/18 Attainment/ Unclassifiable. Juniata County ...... 1/16/18 Attainment/ Unclassifiable. Lackawanna County ...... 1/16/18 Attainment/ Unclassifiable. Lancaster County ...... Attainment/ Unclassifiable. Lawrence County ...... 1/16/18 Attainment/ Unclassifiable. Lebanon County ...... Attainment/ Unclassifiable. Luzerne County ...... 1/16/18 Attainment/ Unclassifiable. Lycoming County ...... 1/16/18 Attainment/ Unclassifiable. McKean County ...... 1/16/18 Attainment/ Unclassifiable. Mercer County ...... 1/16/18 Attainment/ Unclassifiable. Mifflin County ...... 1/16/18 Attainment/ Unclassifiable. Montour County ...... 1/16/18 Attainment/ Unclassifiable. Northumberland County ...... 1/16/18 Attainment/ Unclassifiable. Perry County ...... Attainment/ Unclassifiable. Potter County ...... 1/16/18 Attainment/ Unclassifiable. Schuylkill County ...... Attainment/ Unclassifiable. Snyder County ...... 1/16/18 Attainment/ Unclassifiable. Somerset County ...... 1/16/18 Attainment/ Unclassifiable. Sullivan County ...... 1/16/18 Attainment/ Unclassifiable.

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PENNSYLVANIA—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Susquehanna County ...... 1/16/18 Attainment/ Unclassifiable. Tioga County ...... 1/16/18 Attainment/ Unclassifiable. Union County ...... 1/16/18 Attainment/ Unclassifiable. Venango County ...... 1/16/18 Attainment/ Unclassifiable. Warren County ...... 1/16/18 Attainment/ Unclassifiable. Washington County ...... 1/16/18 Attainment/ Unclassifiable. Wayne County ...... 1/16/18 Attainment/ Unclassifiable. Westmoreland County ...... 1/16/18 Attainment/ Unclassifiable. Wyoming County ...... 1/16/18 Attainment/ Unclassifiable. York County ...... Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * 2015 8-Hour Ozone NAAQS (Primary § 81.340 Rhode Island. ■ 27. Section 81.340 is amended by and Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘Rhode Island— RHODE ISLAND—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Bristol County ...... 1/16/18 Attainment/ Unclassifiable. Kent County ...... Attainment/ Unclassifiable. Newport County ...... 1/16/18 Attainment/ Unclassifiable. Providence County ...... 1/16/18 Attainment/ Unclassifiable. Washington County ...... Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * Hour Ozone NAAQS (Primary and § 81.344 Texas. ■ 28. Section 81.344 is amended by Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘Texas—2015 8- TEXAS—2015 8-HOUR OZONE NAAQS (PRIMARY AND SECONDARY)

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Dallas-Fort Worth, TX ...... Nonattainment ...... Marginal. Collin County. Dallas County. Denton County. Ellis County. Johnson County. Kaufman County. Parker County. Tarrant County. Wise County. Houston-Galveston-Brazoria, TX ...... Nonattainment ...... Marginal. Brazoria County.

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TEXAS—2015 8-HOUR OZONE NAAQS (PRIMARY AND SECONDARY)—Continued

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Chambers County. Fort Bend County. Galveston County. Harris County. Montgomery County. Rest of State: Anderson County ...... 1/16/18 Attainment/ Unclassifiable. Andrews County ...... 1/16/18 Attainment/ Unclassifiable. Angelina County ...... 1/16/18 Attainment/ Unclassifiable. Aransas County ...... 1/16/18 Attainment/ Unclassifiable. Archer County ...... 1/16/18 Attainment/ Unclassifiable. Armstrong County ...... 1/16/18 Attainment/ Unclassifiable. Austin County ...... Attainment/ Unclassifiable. Bailey County ...... 1/16/18 Attainment/ Unclassifiable. Bastrop County ...... 1/16/18 Attainment/ Unclassifiable. Baylor County ...... 1/16/18 Attainment/ Unclassifiable. Bee County ...... 1/16/18 Attainment/ Unclassifiable. Bell County ...... 1/16/18 Attainment/ Unclassifiable. Blanco County ...... 1/16/18 Attainment/ Unclassifiable. Borden County ...... 1/16/18 Attainment/ Unclassifiable. Bosque County ...... Attainment/ Unclassifiable. Bowie County ...... 1/16/18 Attainment/ Unclassifiable. Brazos County ...... 1/16/18 Attainment/ Unclassifiable. Brewster County ...... 1/16/18 Attainment/ Unclassifiable. Briscoe County ...... 1/16/18 Attainment/ Unclassifiable. Brooks County ...... 1/16/18 Attainment/ Unclassifiable. Brown County ...... 1/16/18 Attainment/ Unclassifiable. Burleson County ...... 1/16/18 Attainment/ Unclassifiable. Burnet County ...... 1/16/18 Attainment/ Unclassifiable. Caldwell County ...... 1/16/18 Attainment/ Unclassifiable. Calhoun County ...... 1/16/18 Attainment/ Unclassifiable. Callahan County ...... 1/16/18 Attainment/ Unclassifiable. Cameron County ...... 1/16/18 Attainment/ Unclassifiable. Camp County ...... 1/16/18 Attainment/ Unclassifiable. Carson County ...... 1/16/18 Attainment/ Unclassifiable. Cass County ...... 1/16/18 Attainment/ Unclassifiable. Castro County ...... 1/16/18 Attainment/ Unclassifiable. Cherokee County ...... 1/16/18 Attainment/ Unclassifiable. Childress County ...... 1/16/18 Attainment/ Unclassifiable. Clay County ...... 1/16/18 Attainment/ Unclassifiable. Cochran County ...... 1/16/18 Attainment/ Unclassifiable. Coke County ...... 1/16/18 Attainment/ Unclassifiable. Coleman County ...... 1/16/18 Attainment/ Unclassifiable.

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TEXAS—2015 8-HOUR OZONE NAAQS (PRIMARY AND SECONDARY)—Continued

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Collingsworth County ...... 1/16/18 Attainment/ Unclassifiable. Colorado County ...... 1/16/18 Attainment/ Unclassifiable. Comanche County ...... 1/16/18 Attainment/ Unclassifiable. Concho County ...... 1/16/18 Attainment/ Unclassifiable. Coryell County ...... 1/16/18 Attainment/ Unclassifiable. Cooke County ...... Attainment/ Unclassifiable. Cottle County ...... 1/16/18 Attainment/ Unclassifiable. Crane County ...... 1/16/18 Attainment/ Unclassifiable. Crockett County ...... 1/16/18 Attainment/ Unclassifiable. Crosby County ...... 1/16/18 Attainment/ Unclassifiable. Culberson County ...... 1/16/18 Attainment/ Unclassifiable. Dallam County ...... 1/16/18 Attainment/ Unclassifiable. Dawson County ...... 1/16/18 Attainment/ Unclassifiable. Deaf Smith County ...... 1/16/18 Attainment/ Unclassifiable. Delta County ...... 1/16/18 Attainment/ Unclassifiable. DeWitt County ...... 1/16/18 Attainment/ Unclassifiable. Dickens County ...... 1/16/18 Attainment/ Unclassifiable. Dimmit County ...... 1/16/18 Attainment/ Unclassifiable. Donley County ...... 1/16/18 Attainment/ Unclassifiable. Duval County ...... 1/16/18 Attainment/ Unclassifiable. Eastland County ...... 1/16/18 Attainment/ Unclassifiable. Ector County ...... 1/16/18 Attainment/ Unclassifiable. Edwards County ...... 1/16/18 Attainment/ Unclassifiable. El Paso County ...... Attainment/ Unclassifiable. Erath County ...... 1/16/18 Attainment/ Unclassifiable. Falls County ...... 1/16/18 Attainment/ Unclassifiable. Fannin County ...... Attainment/ Unclassifiable. Fayette County ...... 1/16/18 Attainment/ Unclassifiable. Fisher County ...... 1/16/18 Attainment/ Unclassifiable. Floyd County ...... 1/16/18 Attainment/ Unclassifiable. Foard County ...... 1/16/18 Attainment/ Unclassifiable. Franklin County ...... 1/16/18 Attainment/ Unclassifiable. Freestone County ...... 1/16/18 Attainment/ Unclassifiable. Frio County ...... 1/16/18 Attainment/ Unclassifiable. Gaines County ...... 1/16/18 Attainment/ Unclassifiable. Garza County ...... 1/16/18 Attainment/ Unclassifiable. Gillespie County ...... 1/16/18 Attainment/ Unclassifiable. Glasscock County ...... 1/16/18 Attainment/ Unclassifiable. Goliad County ...... 1/16/18 Attainment/ Unclassifiable. Gonzales County ...... 1/16/18 Attainment/ Unclassifiable.

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TEXAS—2015 8-HOUR OZONE NAAQS (PRIMARY AND SECONDARY)—Continued

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Gray County ...... 1/16/18 Attainment/ Unclassifiable. Grayson County ...... Attainment/ Unclassifiable. Gregg County ...... 1/16/18 Attainment/ Unclassifiable. Grimes County ...... Attainment/ Unclassifiable. Hale County ...... 1/16/18 Attainment/ Unclassifiable. Hall County ...... 1/16/18 Attainment/ Unclassifiable. Hamilton County ...... 1/16/18 Attainment/ Unclassifiable. Hansford County ...... 1/16/18 Attainment/ Unclassifiable. Hardeman County ...... 1/16/18 Attainment/ Unclassifiable. Hardin County ...... 1/16/18 Attainment/ Unclassifiable. Harrison County ...... 1/16/18 Attainment/ Unclassifiable. Hartley County ...... 1/16/18 Attainment/ Unclassifiable. Haskell County ...... 1/16/18 Attainment/ Unclassifiable. Hays County ...... 1/16/18 Attainment/ Unclassifiable. Hemphill County ...... 1/16/18 Attainment/ Unclassifiable. Henderson County ...... Attainment/ Unclassifiable. Hidalgo County ...... 1/16/18 Attainment/ Unclassifiable. Hill County ...... Attainment/ Unclassifiable. Hockley County ...... 1/16/18 Attainment/ Unclassifiable. Hood County ...... Attainment/ Unclassifiable. Hopkins County ...... Attainment/ Unclassifiable. Houston County ...... 1/16/18 Attainment/ Unclassifiable. Howard County ...... 1/16/18 Attainment/ Unclassifiable. Hudspeth County ...... Attainment/ Unclassifiable. Hunt County ...... Attainment/ Unclassifiable. Hutchinson County ...... 1/16/18 Attainment/ Unclassifiable. Irion County ...... 1/16/18 Attainment/ Unclassifiable. Jack County ...... Attainment/ Unclassifiable. Jackson County ...... 1/16/18 Attainment/ Unclassifiable. Jasper County ...... 1/16/18 Attainment/ Unclassifiable. Jeff Davis County ...... 1/16/18 Attainment/ Unclassifiable. Jefferson County ...... 1/16/18 Attainment/ Unclassifiable. Jim Hogg County ...... 1/16/18 Attainment/ Unclassifiable. Jim Wells County ...... 1/16/18 Attainment/ Unclassifiable. Jones County ...... 1/16/18 Attainment/ Unclassifiable. Karnes County ...... 1/16/18 Attainment/ Unclassifiable. Kenedy County ...... 1/16/18 Attainment/ Unclassifiable. Kent County ...... 1/16/18 Attainment/ Unclassifiable. Kerr County ...... 1/16/18 Attainment/ Unclassifiable. Kimble County ...... 1/16/18 Attainment/ Unclassifiable.

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TEXAS—2015 8-HOUR OZONE NAAQS (PRIMARY AND SECONDARY)—Continued

Designation Classification Designated area 1 Date 2 Type Date 2 Type

King County ...... 1/16/18 Attainment/ Unclassifiable. Kinney County ...... 1/16/18 Attainment/ Unclassifiable. Kleberg County ...... 1/16/18 Attainment/ Unclassifiable. Knox County ...... 1/16/18 Attainment/ Unclassifiable. Lamar County ...... 1/16/18 Attainment/ Unclassifiable. Lamb County ...... 1/16/18 Attainment/ Unclassifiable. Lampasas County ...... 1/16/18 Attainment/ Unclassifiable. La Salle County ...... 1/16/18 Attainment/ Unclassifiable. Lavaca County ...... 1/16/18 Attainment/ Unclassifiable. Lee County ...... 1/16/18 Attainment/ Unclassifiable. Leon County ...... 1/16/18 Attainment/ Unclassifiable. Liberty County ...... Attainment/ Unclassifiable. Limestone County ...... 1/16/18 Attainment/ Unclassifiable. Lipscomb County ...... 1/16/18 Attainment/ Unclassifiable. Live Oak County ...... 1/16/18 Attainment/ Unclassifiable. Llano County ...... 1/16/18 Attainment/ Unclassifiable. Loving County ...... 1/16/18 Attainment/ Unclassifiable. Lubbock County ...... 1/16/18 Attainment/ Unclassifiable. Lynn County ...... 1/16/18 Attainment/ Unclassifiable. Matagorda County ...... Attainment/ Unclassifiable. McCulloch County ...... 1/16/18 Attainment/ Unclassifiable. McLennan County ...... 1/16/18 Attainment/ Unclassifiable. McMullen County ...... 1/16/18 Attainment/ Unclassifiable. Madison County ...... 1/16/18 Attainment/ Unclassifiable. Marion County ...... 1/16/18 Attainment/ Unclassifiable. Martin County ...... 1/16/18 Attainment/ Unclassifiable. Mason County ...... 1/16/18 Attainment/ Unclassifiable. Maverick County ...... 1/16/18 Attainment/ Unclassifiable. Menard County ...... 1/16/18 Attainment/ Unclassifiable. Midland County ...... 1/16/18 Attainment/ Unclassifiable. Milam County ...... 1/16/18 Attainment/ Unclassifiable. Mills County ...... 1/16/18 Attainment/ Unclassifiable. Mitchell County ...... 1/16/18 Attainment/ Unclassifiable. Montague County ...... 1/16/18 Attainment/ Unclassifiable. Moore County ...... 1/16/18 Attainment/ Unclassifiable. Morris County ...... 1/16/18 Attainment/ Unclassifiable. Motley County ...... 1/16/18 Attainment/ Unclassifiable. Nacogdoches County ...... 1/16/18 Attainment/ Unclassifiable. Navarro County ...... Attainment/ Unclassifiable. Newton County ...... 1/16/18 Attainment/ Unclassifiable.

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TEXAS—2015 8-HOUR OZONE NAAQS (PRIMARY AND SECONDARY)—Continued

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Nolan County ...... 1/16/18 Attainment/ Unclassifiable. Nueces County ...... 1/16/18 Attainment/ Unclassifiable. Ochiltree County ...... 1/16/18 Attainment/ Unclassifiable. Oldham County ...... 1/16/18 Attainment/ Unclassifiable. Orange County ...... 1/16/18 Attainment/ Unclassifiable. Palo Pinto County ...... Attainment/ Unclassifiable. Panola County ...... 1/16/18 Attainment/ Unclassifiable. Parmer County ...... 1/16/18 Attainment/ Unclassifiable. Pecos County ...... 1/16/18 Attainment/ Unclassifiable. Polk County ...... 1/16/18 Attainment/ Unclassifiable. Potter County ...... 1/16/18 Attainment/ Unclassifiable. Presidio County ...... 1/16/18 Attainment/ Unclassifiable. Rains County ...... 1/16/18 Attainment/ Unclassifiable. Randall County ...... 1/16/18 Attainment/ Unclassifiable. Reagan County ...... 1/16/18 Attainment/ Unclassifiable. Real County ...... 1/16/18 Attainment/ Unclassifiable. Red River County ...... 1/16/18 Attainment/ Unclassifiable. Reeves County ...... 1/16/18 Attainment/ Unclassifiable. Refugio County ...... 1/16/18 Attainment/ Unclassifiable. Roberts County ...... 1/16/18 Attainment/ Unclassifiable. Robertson County ...... 1/16/18 Attainment/ Unclassifiable. Rockwall County ...... Attainment/ Unclassifiable. Runnels County ...... 1/16/18 Attainment/ Unclassifiable. Rusk County ...... 1/16/18 Attainment/ Unclassifiable. Sabine County ...... 1/16/18 Attainment/ Unclassifiable. San Augustine County ...... 1/16/18 Attainment/ Unclassifiable. San Jacinto County ...... Attainment/ Unclassifiable. San Patricio County ...... 1/16/18 Attainment/ Unclassifiable. San Saba County ...... 1/16/18 Attainment/ Unclassifiable. Schleicher County ...... 1/16/18 Attainment/ Unclassifiable. Scurry County ...... 1/16/18 Attainment/ Unclassifiable. Shackelford County ...... 1/16/18 Attainment/ Unclassifiable. Shelby County ...... 1/16/18 Attainment/ Unclassifiable. Sherman County ...... 1/16/18 Attainment/ Unclassifiable. Smith County ...... 1/16/18 Attainment/ Unclassifiable. Somervell County ...... Attainment/ Unclassifiable. Starr County ...... 1/16/18 Attainment/ Unclassifiable. Stephens County ...... 1/16/18 Attainment/ Unclassifiable. Sterling County ...... 1/16/18 Attainment/ Unclassifiable. Stonewall County ...... 1/16/18 Attainment/ Unclassifiable.

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Designation Classification Designated area 1 Date 2 Type Date 2 Type

Sutton County ...... 1/16/18 Attainment/ Unclassifiable. Swisher County ...... 1/16/18 Attainment/ Unclassifiable. Taylor County ...... 1/16/18 Attainment/ Unclassifiable. Terrell County ...... 1/16/18 Attainment/ Unclassifiable. Terry County ...... 1/16/18 Attainment/ Unclassifiable. Throckmorton County ...... 1/16/18 Attainment/ Unclassifiable. Titus County ...... 1/16/18 Attainment/ Unclassifiable. Tom Green County ...... 1/16/18 Attainment/ Unclassifiable. Travis County ...... 1/16/18 Attainment/ Unclassifiable. Trinity County ...... Attainment/ Unclassifiable. Tyler County ...... 1/16/18 Attainment/ Unclassifiable. Upshur County ...... 1/16/18 Attainment/ Unclassifiable. Upton County ...... 1/16/18 Attainment/ Unclassifiable. Uvalde County ...... 1/16/18 Attainment/ Unclassifiable. Val Verde County ...... 1/16/18 Attainment/ Unclassifiable. Van Zandt County ...... 1/16/18 Attainment/ Unclassifiable. Victoria County ...... 1/16/18 Attainment/ Unclassifiable. Ward County ...... 1/16/18 Attainment/ Unclassifiable. Webb County ...... 1/16/18 Attainment/ Unclassifiable. Walker County ...... Attainment/ Unclassifiable. Waller County ...... Attainment/ Unclassifiable. Washington County ...... Attainment/ Unclassifiable. Wharton County ...... Attainment/ Unclassifiable. Wheeler County ...... 1/16/18 Attainment/ Unclassifiable. Wichita County ...... 1/16/18 Attainment/ Unclassifiable. Wilbarger County ...... 1/16/18 Attainment/ Unclassifiable. Willacy County ...... 1/16/18 Attainment/ Unclassifiable. Williamson County ...... 1/16/18 Attainment/ Unclassifiable. Winkler County ...... 1/16/18 Attainment/ Unclassifiable. Wood County ...... 1/16/18 Attainment/ Unclassifiable. Yoakum County ...... 1/16/18 Attainment/ Unclassifiable. Young County ...... 1/16/18 Attainment/ Unclassifiable. Zapata County ...... 1/16/18 Attainment/ Unclassifiable. Zavala County ...... 1/16/18 Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * Hour Ozone NAAQS (Primary and § 81.345 Utah. ■ 29. Section 81.345 is amended by Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘Utah—2015 8-

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UTAH—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Northern Wasatch Front, UT ...... Nonattainment ...... Marginal. Weber County (part): All portions of Weber County west of and including Townships 5, 6, and that portion of 7 North Range 1 West that are west of the ridgeline that traces the Wasatch Mountains from the southeast corner of the township to the easternmost exten- sion of the county boundary within the township. Tooele County (part): In Tooele County, the following Townships or portions thereof as noted (including Tooele City): Township 1 South Range 3 West. Township 2 South Range 3 West. Township 3 South Range 3 West. Township 3 South Range 4 West. Township 2 South Range 4 West. Township 2 South Range 5 West. Township 3 South Range 5 West. Township 3 South Range 6 West. Township 2 South Range 6 West. Township 1 South Range 6 West. Township 1 South Range 5 West. Township 1 South Range 4 West. Township 1 South Range 7 West. Township 2 South Range 7 West. Township 3 South Range 7 West. All Sections within Township 4 South Range 7 West except for Sections 29, 30, 31 and 32. Township 4 South Range 6 West. Township 4 South Range 5 West. Township 4 South Range 4 West. Township 4 South Range 3 West. Salt Lake County. Davis County. Southern Wasatch Front, UT ...... Nonattainment ...... Marginal. Utah County (part): All portions of Utah County west of and including any portion of the following town- ships located within Utah County: Township 3 South Range 1 East. Township 4 South Range 2 East. Township 5 South Range 3 East. Township 6 South Range 3 East. Township 7 South Range 3 East. Township 8 South Range 3 East. Township 9 South Range 3 East. Township 10 South Range 2 East. Uinta Basin, UT3 ...... Nonattainment ...... Marginal. Duchesne County (part): All land in Duchesne County below a contiguous external perimeter of 6,250 ft. in elevation. All areas within that contiguous external perimeter are included in the nonattainment area—including mesas and buttes which may have an elevation greater than 6,250 ft., but which are surrounded on all sides by land lower than 6,250 ft. Additionally, areas that fall outside the 6,250 ft. contiguous external pe- rimeter that have elevations less than 6,250 ft. are excluded from the nonattain- ment area. The boundary is defined by the 6,250 ft. contour line created from the 2013 USGS 10-meter seamless Digital Elevation Model (USGS NED n41w110 1⁄3 arc-second 2013 1 × 1 degree IMG). Uintah County (part): All land in Uintah County below a contiguous external perimeter of 6,250 ft. in ele- vation. All areas within that contiguous external perimeter are included in the non- attainment area—including mesas and buttes which may have an elevation great- er than 6,250 ft., but which are surrounded on all sides by land lower than 6,250 ft. Additionally, areas that fall outside the 6,250 ft. contiguous external perimeter that have elevations less than 6,250 ft. are excluded from the nonattainment area. The boundary is defined by the 6,250 ft. contour line created from the 2013 USGS 10-meter seamless Digital Elevation Model (USGS NED n41w110 1⁄3 arc- second 2013 1 × 1 degree IMG). Beaver County ...... 1/16/18 Attainment/ Unclassifiable. Box Elder ...... Attainment/ Unclassifiable. Cache County ...... Attainment/ Unclassifiable. Carbon County ...... Attainment/ Unclassifiable. Daggett County ...... Attainment/ Unclassifiable. Duchesne County (part) remainder ...... Attainment/ Unclassifiable. Emery County ...... 1/16/18 Attainment/ Unclassifiable.

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Designation Classification Designated area 1 Date 2 Type Date 2 Type

Garfield County ...... 1/16/18 Attainment/ Unclassifiable. Grand County ...... Attainment/ Unclassifiable. Iron County ...... 1/16/18 Attainment/ Unclassifiable. Juab County ...... Attainment/ Unclassifiable. Kane County ...... 1/16/18 Attainment/ Unclassifiable. Millard County ...... 1/16/18 Attainment/ Unclassifiable. Morgan County ...... Attainment/ Unclassifiable. Piute County ...... 1/16/18 Attainment/ Unclassifiable. Rich County ...... Attainment/ Unclassifiable. San Juan County ...... 1/16/18 Attainment/ Unclassifiable. Sanpete County ...... Attainment/ Unclassifiable. Sevier County ...... 1/16/18 Attainment/ Unclassifiable. Summit County ...... Attainment/ Unclassifiable. Tooele County (part) remainder ...... Attainment/ Unclassifiable. Uintah County (part) remainder ...... Attainment/ Unclassifiable. Utah County (part) remainder ...... Attainment/ Unclassifiable. Wasatch County ...... Attainment/ Unclassifiable. Washington County ...... 1/16/18 Attainment/ Unclassifiable. Wayne County ...... 1/16/18 Attainment/ Unclassifiable. Weber County (part) remainder ...... Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted. 3 The EPA is designating portions of the Uinta Basin as ‘‘nonattainment,’’ including both Tribal and State lands. The Ute Tribe has air quality planning jurisdiction in the areas of Indian country included in the Uinta Basin nonattainment area, while the State of Utah has air quality planning jurisdiction in the areas of State land in- cluded in the Uinta Basin nonattainment area.

* * * * * 8-Hour Ozone NAAQS (Primary and § 81.347 Virginia. ■ 30. Section 81.347 is amended by Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘Virginia—2015 VIRGINIA—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Washington, DC-MD-VA ...... Nonattainment ...... Marginal. Arlington County. Fairfax County. Loudoun County. Prince William County. Alexandria City. Fairfax City. Falls Church City. Manassas City. Manassas Park City. Accomack County ...... 1/16/18 Attainment/ Unclassifiable. Albemarle County ...... 1/16/18 Attainment/ Unclassifiable. Alleghany County ...... 1/16/18 Attainment/ Unclassifiable.

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Designation Classification Designated area 1 Date 2 Type Date 2 Type

Amelia County ...... 1/16/18 Attainment/ Unclassifiable. Amherst County ...... 1/16/18 Attainment/ Unclassifiable. Appomattox County ...... 1/16/18 Attainment/ Unclassifiable. Augusta County ...... 1/16/18 Attainment/ Unclassifiable. Bath County ...... 1/16/18 Attainment/ Unclassifiable. Bedford County ...... 1/16/18 Attainment/ Unclassifiable. Bland County ...... 1/16/18 Attainment/ Unclassifiable. Botetourt County ...... 1/16/18 Attainment/ Unclassifiable. Brunswick County ...... 1/16/18 Attainment/ Unclassifiable. Buchanan County ...... 1/16/18 Attainment/ Unclassifiable. Buckingham County ...... 1/16/18 Attainment/ Unclassifiable. Campbell County ...... 1/16/18 Attainment/ Unclassifiable. Caroline County ...... 1/16/18 Attainment/ Unclassifiable. Carroll County ...... 1/16/18 Attainment/ Unclassifiable. Charles City County ...... 1/16/18 Attainment/ Unclassifiable. Charlotte County ...... 1/16/18 Attainment/ Unclassifiable. Chesterfield County ...... 1/16/18 Attainment/ Unclassifiable. Clarke County ...... Attainment/ Unclassifiable. Craig County ...... 1/16/18 Attainment/ Unclassifiable. Culpeper County ...... Attainment/ Unclassifiable. Cumberland County ...... 1/16/18 Attainment/ Unclassifiable. Dickenson County ...... 1/16/18 Attainment/ Unclassifiable. Dinwiddie County ...... 1/16/18 Attainment/ Unclassifiable. Essex County ...... 1/16/18 Attainment/ Unclassifiable. Fauquier County ...... Attainment/ Unclassifiable. Floyd County ...... 1/16/18 Attainment/ Unclassifiable. Fluvanna County ...... 1/16/18 Attainment/ Unclassifiable. Franklin County ...... 1/16/18 Attainment/ Unclassifiable. Frederick County ...... Attainment/ Unclassifiable. Fredericksburg City ...... Attainment/ Unclassifiable. Giles County ...... 1/16/18 Attainment/ Unclassifiable. Gloucester County ...... 1/16/18 Attainment/ Unclassifiable. Goochland County ...... 1/16/18 Attainment/ Unclassifiable. Grayson County ...... 1/16/18 Attainment/ Unclassifiable. Greene County ...... 1/16/18 Attainment/ Unclassifiable. Greensville County ...... 1/16/18 Attainment/ Unclassifiable. Halifax County ...... 1/16/18 Attainment/ Unclassifiable. Hanover County ...... 1/16/18 Attainment/ Unclassifiable. Henrico County ...... 1/16/18 Attainment/ Unclassifiable.

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Designation Classification Designated area 1 Date 2 Type Date 2 Type

Henry County ...... 1/16/18 Attainment/ Unclassifiable. Highland County ...... 1/16/18 Attainment/ Unclassifiable. Isle of Wight County ...... 1/16/18 Attainment/ Unclassifiable. James City County ...... 1/16/18 Attainment/ Unclassifiable. King and Queen County ...... 1/16/18 Attainment/ Unclassifiable. King George County ...... 1/16/18 Attainment/ Unclassifiable. King William County ...... 1/16/18 Attainment/ Unclassifiable. Lancaster County ...... 1/16/18 Attainment/ Unclassifiable. Lee County ...... 1/16/18 Attainment/ Unclassifiable. Louisa County ...... 1/16/18 Attainment/ Unclassifiable. Lunenburg County ...... 1/16/18 Attainment/ Unclassifiable. Madison County ...... 1/16/18 Attainment/ Unclassifiable. Mathews County ...... 1/16/18 Attainment/ Unclassifiable. Mecklenburg County ...... 1/16/18 Attainment/ Unclassifiable. Middlesex County ...... 1/16/18 Attainment/ Unclassifiable. Montgomery County ...... 1/16/18 Attainment/ Unclassifiable. Nelson County ...... 1/16/18 Attainment/ Unclassifiable. New Kent County ...... 1/16/18 Attainment/ Unclassifiable. Northampton County ...... 1/16/18 Attainment/ Unclassifiable. Northumberland County ...... 1/16/18 Attainment/ Unclassifiable. Nottoway County ...... 1/16/18 Attainment/ Unclassifiable. Orange County ...... 1/16/18 Attainment/ Unclassifiable. Page County ...... 1/16/18 Attainment/ Unclassifiable. Patrick County ...... 1/16/18 Attainment/ Unclassifiable. Pittsylvania County ...... 1/16/18 Attainment/ Unclassifiable. Powhatan County ...... 1/16/18 Attainment/ Unclassifiable. Prince Edward County ...... 1/16/18 Attainment/ Unclassifiable. Prince George County ...... 1/16/18 Attainment/ Unclassifiable. Pulaski County ...... 1/16/18 Attainment/ Unclassifiable. Rappahannock County ...... Attainment/ Unclassifiable. Richmond County ...... 1/16/18 Attainment/ Unclassifiable. Roanoke County ...... 1/16/18 Attainment/ Unclassifiable. Rockbridge County ...... 1/16/18 Attainment/ Unclassifiable. Rockingham County ...... 1/16/18 Attainment/ Unclassifiable. Russell County ...... 1/16/18 Attainment/ Unclassifiable. Scott County ...... 1/16/18 Attainment/ Unclassifiable. Shenandoah County ...... 1/16/18 Attainment/ Unclassifiable. Smyth County ...... 1/16/18 Attainment/ Unclassifiable. Southampton County ...... 1/16/18 Attainment/ Unclassifiable.

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VIRGINIA—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Spotsylvania County ...... Attainment/ Unclassifiable. Stafford County ...... Attainment/ Unclassifiable. Surry County ...... 1/16/18 Attainment/ Unclassifiable. Sussex County ...... 1/16/18 Attainment/ Unclassifiable. Tazewell County ...... 1/16/18 Attainment/ Unclassifiable. Warren County ...... Attainment/ Unclassifiable. Washington County ...... 1/16/18 Attainment/ Unclassifiable. Westmoreland County ...... 1/16/18 Attainment/ Unclassifiable. Winchester City ...... Attainment/ Unclassifiable. Wise County ...... 1/16/18 Attainment/ Unclassifiable. Wythe County ...... 1/16/18 Attainment/ Unclassifiable. York County ...... 1/16/18 Attainment/ Unclassifiable. Bristol City ...... 1/16/18 Attainment/ Unclassifiable. Buena Vista City ...... 1/16/18 Attainment/ Unclassifiable. Charlottesville City ...... 1/16/18 Attainment/ Unclassifiable. Chesapeake City ...... 1/16/18 Attainment/ Unclassifiable. Colonial Heights City ...... 1/16/18 Attainment/ Unclassifiable. Covington City ...... 1/16/18 Attainment/ Unclassifiable. Danville City ...... 1/16/18 Attainment/ Unclassifiable. Emporia City ...... 1/16/18 Attainment/ Unclassifiable. Franklin City ...... 1/16/18 Attainment/ Unclassifiable. Galax City ...... 1/16/18 Attainment/ Unclassifiable. Hampton City ...... 1/16/18 Attainment/ Unclassifiable. Harrisonburg City ...... 1/16/18 Attainment/ Unclassifiable. Hopewell City ...... 1/16/18 Attainment/ Unclassifiable. Lexington City ...... 1/16/18 Attainment/ Unclassifiable. Lynchburg City ...... 1/16/18 Attainment/ Unclassifiable. Martinsville City ...... 1/16/18 Attainment/ Unclassifiable. Newport News City ...... 1/16/18 Attainment/ Unclassifiable. Norfolk City ...... 1/16/18 Attainment/ Unclassifiable. Norton City ...... 1/16/18 Attainment/ Unclassifiable. Petersburg City ...... 1/16/18 Attainment/ Unclassifiable. Poquoson City ...... 1/16/18 Attainment/ Unclassifiable. Portsmouth City ...... 1/16/18 Attainment/ Unclassifiable. Radford City ...... 1/16/18 Attainment/ Unclassifiable. Richmond City ...... 1/16/18 Attainment/ Unclassifiable. Roanoke City ...... 1/16/18 Attainment/ Unclassifiable. Salem City ...... 1/16/18 Attainment/ Unclassifiable. Staunton City ...... 1/16/18 Attainment/ Unclassifiable.

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Designation Classification Designated area 1 Date 2 Type Date 2 Type

Suffolk City ...... 1/16/18 Attainment/ Unclassifiable. Virginia Beach City ...... 1/16/18 Attainment/ Unclassifiable. Waynesboro City ...... 1/16/18 Attainment/ Unclassifiable. Williamsburg City ...... 1/16/18 Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * 2015 8-Hour Ozone NAAQS (Primary § 81.348 Washington. ■ 31. Section 81.348 is amended by and Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘Washington— WASHINGTON—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Tri-Cities Area, WA ...... 1/16/18 Unclassifiable. Benton County. Franklin County. Walla Walla County. Adams County ...... 1/16/18 Attainment/ Unclassifiable. Asotin County ...... 1/16/18 Attainment/ Unclassifiable. Chelan County ...... 1/16/18 Attainment/ Unclassifiable. Clallam County ...... 1/16/18 Attainment/ Unclassifiable. Clark County ...... Attainment/ Unclassifiable. Columbia County ...... 1/16/18 Attainment/ Unclassifiable. Cowlitz County ...... Attainment/ Unclassifiable. Douglas County ...... 1/16/18 Attainment/ Unclassifiable. Ferry County ...... 1/16/18 Attainment/ Unclassifiable. Garfield County ...... 1/16/18 Attainment/ Unclassifiable. Grant County ...... 1/16/18 Attainment/ Unclassifiable. Grays Harbor County ...... 1/16/18 Attainment/ Unclassifiable. Island County ...... 1/16/18 Attainment/ Unclassifiable. Jefferson County ...... 1/16/18 Attainment/ Unclassifiable. King County ...... 1/16/18 Attainment/ Unclassifiable. Kitsap County ...... 1/16/18 Attainment/ Unclassifiable. Kittitas County ...... 1/16/18 Attainment/ Unclassifiable. Klickitat County ...... 1/16/18 Attainment/ Unclassifiable. Lewis County ...... 1/16/18 Attainment/ Unclassifiable. Lincoln County ...... 1/16/18 Attainment/ Unclassifiable. Mason County ...... 1/16/18 Attainment/ Unclassifiable. Okanogan County ...... 1/16/18 Attainment/ Unclassifiable. Pacific County ...... 1/16/18 Attainment/ Unclassifiable.

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Designation Classification Designated area 1 Date 2 Type Date 2 Type

Pend Oreille County ...... 1/16/18 Attainment/ Unclassifiable. Pierce County ...... 1/16/18 Attainment/ Unclassifiable. San Juan County ...... 1/16/18 Attainment/ Unclassifiable. Skagit County ...... 1/16/18 Attainment/ Unclassifiable. Skamania County ...... Attainment/ Unclassifiable. Snohomish County ...... 1/16/18 Attainment/ Unclassifiable. Spokane County ...... 1/16/18 Attainment/ Unclassifiable. Stevens County ...... 1/16/18 Attainment/ Unclassifiable. Thurston County ...... 1/16/18 Attainment/ Unclassifiable. Wahkiakum County ...... 1/16/18 Attainment/ Unclassifiable. Whatcom County ...... 1/16/18 Attainment/ Unclassifiable. Whitman County ...... 1/16/18 Attainment/ Unclassifiable. Yakima County ...... 1/16/18 Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * Virginia—2015 8-Hour Ozone NAAQS § 81.349 West Virginia. ■ 32. Section 81.349 is amended by (Primary and Secondary)’’ to read as * * * * * revising the table titled ‘‘West follows: WEST VIRGINIA—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Barbour County ...... 1/16/18 Attainment/ Unclassifiable. Berkeley County ...... Attainment/ Unclassifiable. Boone County ...... 1/16/18 Attainment/ Unclassifiable. Braxton County ...... 1/16/18 Attainment/ Unclassifiable. Brooke County ...... 1/16/18 Attainment/ Unclassifiable. Cabell County ...... 1/16/18 Attainment/ Unclassifiable. Calhoun County ...... 1/16/18 Attainment/ Unclassifiable. Clay County ...... 1/16/18 Attainment/ Unclassifiable. Doddridge County ...... 1/16/18 Attainment/ Unclassifiable. Fayette County ...... 1/16/18 Attainment/ Unclassifiable. Gilmer County ...... 1/16/18 Attainment/ Unclassifiable. Grant County ...... 1/16/18 Attainment/ Unclassifiable. Greenbrier County ...... 1/16/18 Attainment/ Unclassifiable. Hampshire County ...... Attainment/ Unclassifiable. Hancock County ...... 1/16/18 Attainment/ Unclassifiable. Hardy County ...... 1/16/18 Attainment/ Unclassifiable.

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WEST VIRGINIA—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Harrison County ...... 1/16/18 Attainment/ Unclassifiable. Jackson County ...... 1/16/18 Attainment/ Unclassifiable. Jefferson County ...... Attainment/ Unclassifiable. Kanawha County ...... 1/16/18 Attainment/ Unclassifiable. Lewis County ...... 1/16/18 Attainment/ Unclassifiable. Lincoln County ...... 1/16/18 Attainment/ Unclassifiable. Logan County ...... 1/16/18 Attainment/ Unclassifiable. McDowell County ...... 1/16/18 Attainment/ Unclassifiable. Marion County ...... 1/16/18 Attainment/ Unclassifiable. Marshall County ...... 1/16/18 Attainment/ Unclassifiable. Mason County ...... 1/16/18 Attainment/ Unclassifiable. Mercer County ...... 1/16/18 Attainment/ Unclassifiable. Mineral County ...... 1/16/18 Attainment/ Unclassifiable. Mingo County ...... 1/16/18 Attainment/ Unclassifiable. Monongalia County ...... 1/16/18 Attainment/ Unclassifiable. Monroe County ...... 1/16/18 Attainment/ Unclassifiable. Morgan County ...... 1/16/18 Attainment/ Unclassifiable. Nicholas County ...... 1/16/18 Attainment/ Unclassifiable. Ohio County ...... 1/16/18 Attainment/ Unclassifiable. Pendleton County ...... 1/16/18 Attainment/ Unclassifiable. Pleasants County ...... 1/16/18 Attainment/ Unclassifiable. Pocahontas County ...... 1/16/18 Attainment/ Unclassifiable. Preston County ...... 1/16/18 Attainment/ Unclassifiable. Putnam County ...... 1/16/18 Attainment/ Unclassifiable. Raleigh County ...... 1/16/18 Attainment/ Unclassifiable. Randolph County ...... 1/16/18 Attainment/ Unclassifiable. Ritchie County ...... 1/16/18 Attainment/ Unclassifiable. Roane County ...... 1/16/18 Attainment/ Unclassifiable. Summers County ...... 1/16/18 Attainment/ Unclassifiable. Taylor County ...... 1/16/18 Attainment/ Unclassifiable. Tucker County ...... 1/16/18 Attainment/ Unclassifiable. Tyler County ...... 1/16/18 Attainment/ Unclassifiable. Upshur County ...... 1/16/18 Attainment/ Unclassifiable. Wayne County ...... 1/16/18 Attainment/ Unclassifiable. Webster County ...... 1/16/18 Attainment/ Unclassifiable. Wetzel County ...... 1/16/18 Attainment/ Unclassifiable. Wirt County ...... 1/16/18 Attainment/ Unclassifiable. Wood County ...... 1/16/18 Attainment/ Unclassifiable.

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WEST VIRGINIA—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Wyoming County ...... 1/16/18 Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * 2015 8-Hour Ozone NAAQS (Primary § 81.350 Wisconsin. ■ 33. Section 81.350 is amended and Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘Wisconsin— WISCONSIN—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Chicago, IL-IN-WI ...... Nonattainment ...... Marginal. Kenosha County (part): Inclusive and east of 88th Avenue. Door County, WI ...... Nonattainment ...... Marginal (Rural Transport). Door County (part): Newport State Park Boundary. Manitowoc County, WI ...... Nonattainment ...... Marginal. Manitowoc County (part): Inclusive and east of the following roadways going from the northern county bound- ary to the southern county boundary: Saxonburg Road, Zander Road, Saxonburg Road, Tapawingo Road, Tannery Road, E County Road V, Tannery Road, E Hill- crest Road, Drive, County Road VV, Manitou Drive, County Road B, Goodwin Road, N Rapids Road, S Rapids Road, Calumet Avenue, Hecker Road, Silver Creek Road, Gass Lake Road, Clover Road, Center Road, County Road F, Westview Road, County Road X, S Union Road. Northern Milwaukee/Ozaukee Shoreline, WI ...... Nonattainment ...... Marginal. Milwaukee County (part): Northeastern corner of Milwaukee County bounded by and inclusive of the following roadways going from the northern county border to Lake Michigan: Highway 57/N. Sherman Blvd/N. 43rd Street to W. Mill Road to Highway 57/N. Green Bay Ave to W. Bender Road/Devon Street to N. Santa Monica Blvd to E. Belle Ave to south- ern boundary of Klode Park. Ozaukee County (part): Inclusive and east of County. Road KW, Cedar Beach Road, 6 Mile Road, County Road A, Lovers Lane Road, Woodland Road, County Road KK, Willow Road, Highway 57, County Road W, N. Riverside Drive, E. Green Bay Avenue, S. Main Street, N. Green Bay Road, 12th Avenue, Wisconsin Avenue, Green Bay Road, S. Main Street, N. Cedarburg Road/Highway 57. Sheboygan County, WI ...... Nonattainment ...... Marginal. Sheboygan County (part): Inclusive and east of the following roadways going from the northern county bound- ary to the southern county boundary: Highway 43, Wilson Lima Road, Minderhaud Road, County Road KK/Town Line Road, N 10th Street, County Road A S/Center Avenue, Gibbons Road, Hoftiezer Road, Highway 32, Palmer Road/Smies Road/Palmer Road, Amsterdam Road/County Road RR, Termaat Road. Adams County ...... 1/16/18 Attainment/ Unclassifiable. Ashland County ...... 1/16/18 Attainment/ Unclassifiable. Barron County ...... 1/16/18 Attainment/ Unclassifiable. Bayfield County ...... 1/16/18 Attainment/ Unclassifiable. Brown County ...... Attainment/ Unclassifiable. Buffalo County ...... 1/16/18 Attainment/ Unclassifiable. Burnett County ...... 1/16/18 Attainment/ Unclassifiable. Calumet County ...... Attainment/ Unclassifiable. Chippewa County ...... 1/16/18 Attainment/ Unclassifiable.

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WISCONSIN—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Clark County ...... 1/16/18 Attainment/ Unclassifiable. Columbia County ...... 1/16/18 Attainment/ Unclassifiable. Crawford County ...... 1/16/18 Attainment/ Unclassifiable. Dane County ...... 1/16/18 Attainment/ Unclassifiable. Dodge County ...... Attainment/ Unclassifiable. Door County (part) remainder ...... Attainment/ Unclassifiable. Douglas County ...... 1/16/18 Attainment/ Unclassifiable. Dunn County ...... 1/16/18 Attainment/ Unclassifiable. Eau Claire County ...... 1/16/18 Attainment/ Unclassifiable. Florence County ...... 1/16/18 Attainment/ Unclassifiable. Fond du Lac County ...... Attainment/ Unclassifiable. Forest County ...... 1/16/18 Attainment/ Unclassifiable. Grant County ...... 1/16/18 Attainment/ Unclassifiable. Green County ...... 1/16/18 Attainment/ Unclassifiable. Green Lake County ...... 1/16/18 Attainment/ Unclassifiable. Iowa County ...... 1/16/18 Attainment/ Unclassifiable. Iron County ...... 1/16/18 Attainment/ Unclassifiable. Jackson County ...... 1/16/18 Attainment/ Unclassifiable. Jefferson County ...... Attainment/ Unclassifiable. Juneau County ...... 1/16/18 Attainment/ Unclassifiable. Kenosha County (part) remainder ...... Attainment/ Unclassifiable. Kewaunee County ...... Attainment/ Unclassifiable. La Crosse County ...... 1/16/18 Attainment/ Unclassifiable. Lafayette County ...... 1/16/18 Attainment/ Unclassifiable. Langlade County ...... 1/16/18 Attainment/ Unclassifiable. Lincoln County ...... 1/16/18 Attainment/ Unclassifiable. Manitowoc County (part) remainder ...... Attainment/ Unclassifiable. Marathon County ...... 1/16/18 Attainment/ Unclassifiable. Marinette County ...... 1/16/18 Attainment/ Unclassifiable. Marquette County ...... 1/16/18 Attainment/ Unclassifiable. Menominee County ...... 1/16/18 Attainment/ Unclassifiable. Milwaukee County (part) remainder ...... Attainment/ Unclassifiable. Monroe County ...... 1/16/18 Attainment/ Unclassifiable. Oconto County ...... 1/16/18 Attainment/ Unclassifiable. Oneida County ...... 1/16/18 Attainment/ Unclassifiable. Outagamie County ...... 1/16/18 Attainment/ Unclassifiable. Ozaukee County (part) remainder ...... Attainment/ Unclassifiable. Pepin County ...... 1/16/18 Attainment/ Unclassifiable. Pierce County ...... 1/16/18 Attainment/ Unclassifiable.

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WISCONSIN—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Polk County ...... 1/16/18 Attainment/ Unclassifiable. Portage County ...... 1/16/18 Attainment/ Unclassifiable. Price County ...... 1/16/18 Attainment/ Unclassifiable. Racine County ...... Attainment/ Unclassifiable. Richland County ...... 1/16/18 Attainment/ Unclassifiable. Rock County ...... 1/16/18 Attainment/ Unclassifiable. Rusk County ...... 1/16/18 Attainment/ Unclassifiable. St. Croix County ...... 1/16/18 Attainment/ Unclassifiable. Sauk County ...... 1/16/18 Attainment/ Unclassifiable. Sawyer County ...... 1/16/18 Attainment/ Unclassifiable. Shawano County ...... 1/16/18 Attainment/ Unclassifiable. Sheboygan County (part) remainder ...... Attainment/ Unclassifiable. Taylor County ...... 1/16/18 Attainment/ Unclassifiable. Trempealeau County ...... 1/16/18 Attainment/ Unclassifiable. Vernon County ...... 1/16/18 Attainment/ Unclassifiable. Vilas County ...... 1/16/18 Attainment/ Unclassifiable. Walworth County ...... Attainment/ Unclassifiable. Washburn County ...... 1/16/18 Attainment/ Unclassifiable. Washington County ...... Attainment/ Unclassifiable. Waukesha County ...... Attainment/ Unclassifiable. Waupaca County ...... 1/16/18 Attainment/ Unclassifiable. Waushara County ...... 1/16/18 Attainment/ Unclassifiable. Winnebago County ...... 1/16/18 Attainment/ Unclassifiable. Wood County ...... 1/16/18 Attainment/ Unclassifiable. Forest County Potawatomi Community Indian Tribe 3 ...... 1/16/18 Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted. 3 Includes Indian country of the tribe listed in this table located in Forest County, Wisconsin. Information pertaining to areas of Indian country in this table is in- tended for Clean Air Act planning purposes only and is not an EPA determination of Indian country status or any Indian country boundary. EPA lacks the authority to establish Indian country land status, and is making no determination of Indian country boundaries, in this table.

* * * * * 2015 8-Hour Ozone NAAQS (Primary § 81.351 Wyoming. ■ 34. Section 81.351 is amended by and Secondary)’’ to read as follows: * * * * * revising the table titled ‘‘Wyoming— WYOMING—2015 8-HOUR OZONE NAAQS [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Albany County ...... Attainment/ Unclassifiable. Big Horn County ...... 1/16/18 Attainment/ Unclassifiable. Campbell County ...... 1/16/18 Attainment/ Unclassifiable.

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WYOMING—2015 8-HOUR OZONE NAAQS—Continued [Primary and Secondary]

Designation Classification Designated area 1 Date 2 Type Date 2 Type

Carbon County ...... 1/16/18 Attainment/ Unclassifiable. Converse County ...... 1/16/18 Attainment/ Unclassifiable. Crook County ...... 1/16/18 Attainment/ Unclassifiable. Fremont County ...... 1/16/18 Attainment/ Unclassifiable. Goshen County ...... 1/16/18 Attainment/ Unclassifiable. Hot Springs County ...... 1/16/18 Attainment/ Unclassifiable. Johnson County ...... 1/16/18 Attainment/ Unclassifiable. Laramie County ...... Attainment/ Unclassifiable. Lincoln County ...... 1/16/18 Attainment/ Unclassifiable. Natrona County ...... 1/16/18 Attainment/ Unclassifiable. Niobrara County ...... 1/16/18 Attainment/ Unclassifiable. Park County ...... 1/16/18 Attainment/ Unclassifiable. Platte County ...... 1/16/18 Attainment/ Unclassifiable. Sheridan County ...... 1/16/18 Attainment/ Unclassifiable. Sublette County ...... 1/16/18 Attainment/ Unclassifiable. Sweetwater County ...... 1/16/18 Attainment/ Unclassifiable. Teton County ...... 1/16/18 Attainment/ Unclassifiable. Uinta County ...... 1/16/18 Attainment/ Unclassifiable. Washakie County ...... 1/16/18 Attainment/ Unclassifiable. Weston County ...... 1/16/18 Attainment/ Unclassifiable. 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is August 3, 2018, unless otherwise noted.

* * * * * [FR Doc. 2018–11838 Filed 6–1–18; 8:45 am] BILLING CODE 6560–50–P

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