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 Environmental Protection Agency 40 CFR Part 81
[EPA-HQ-OAR-2017-0003; FRL-9972-73-OAR]
 AGENCY: Environmental Protection Agency (EPA).
 ACTION: Final rule.
 SUMMARY: This final rule establishes the initial air quality designations for certain areas in the United States (U.S.) for the 2010 sulfur dioxide (SO2) primary National Ambient Air Quality Standard (NAAQS). The Environmental Protection Agency (EPA) is designating the areas as either Nonattainment, Attainment/Unclassifiable, or Unclassifiable. The designations are based on application of the EPA's nationwide analytical approach and technical analysis, including evaluation of monitoring data and air quality modeling, to determine the appropriate designation based on the weight of evidence for each area. The Clean Air Act (CAA or Act) directs areas designated Nonattainment by this rule to undertake certain planning and pollution control activities to attain the SO2
                             NAAQS as expeditiously as practicable. This is the third of four expected sets of actions to designate areas of the U.S. for the 2010 SO2
                             NAAQS.
 DATES: The final rule is effective on April 9, 2018.
 ADDRESSES: The EPA has established a docket for this action under Docket ID No. EPA-HQ-OAR-2017-0003. All documents in the docket are listed in the index at 
                            *http://www.regulations.gov*
                             website. Although listed in the index, some information is not publicly available, 
                            *e.g.,*
                             Confidential Business Information or other information whose disclosure is restricted by statute. Certain other material, such as copyrighted material, is not placed on the internet and will be publicly available only in hard copy form. Publicly available docket materials are available either electronically in the docket or in hard copy at the Docket, WJC West Building, Room 3334, 1301 Constitution Avenue NW, Washington, DC 20004. The hours of operation at the EPA Docket Center are 8:30 a.m.-4:30 p.m., Monday-Friday. The telephone number for the Public Reading Room is (202) 566-1744. Air dispersion modeling input and output files are too large to post in the docket or on the website and must be requested from the EPA Docket Office or the Regional office contacts listed in the 
                            **FURTHER INFORMATION**
                             section. In addition, the EPA has established a website for the initial SO2
                             designations rulemakings at: 
                            *https://www.epa.gov/​sulfur-dioxide-designations.*
                             The website includes the EPA's final SO2
                             designations, as well as state and tribal recommendation letters, the EPA's modification letters, technical support documents, responses to comments and other related technical information.
 FOR FURTHER INFORMATION CONTACT: For general questions concerning this action, please contact Liz Etchells, U.S. EPA, Office of Air Quality Planning and Standards, Air Quality Policy Division, C539-01, Research Triangle Park, NC 27709, telephone (919) 541-0253, email at 
                            *etchells.elizabeth@epa.gov.*
                             The EPA contacts listed at the beginning of the Supplementary Information can answer questions regarding areas in a particular EPA Regional office.


SUPPLEMENTARY INFORMATION:  *U.S. EPA Regional Office Contacts:* Region I—Leiran Biton, telephone (617) 918-1267, email at 
                        *biton.leiran@epa.gov.* Region II—Ken Fradkin, telephone (212) 637-3702, email at 
                        *fradkin.kenneth@epa.gov.* Region III—Ruth Knapp, telephone (215) 814-2191, email at 
                        *knapp.ruth@epa.gov.* Region IV—Twunjala Bradley, telephone (404) 562-9352, email at 
                        *bradley.twunjala@epa.gov.* Region V—John Summerhays, telephone (312) 886-6067, email at 
                        *summerhays.john@epa.gov.* Region VI—Bob Imhoff, telephone (214) 665-7262, email at 
                        *imhoff.robert@epa.gov.* Region VII—David Peter, telephone (913) 551-7397, email at
                        *peter.david@epa.gov.* Region VIII—Adam Clark, telephone (303) 312-7104, email at 
                        *clark.adam@epa.gov.* Region IX—Anita Lee, telephone (415) 972-3958, email at 
                        *lee.anita@epa.gov.* Region X—John Chi, telephone (206) 553-1185, email at 
                        *chi.john@epa.gov.* The public may inspect the recommendations from the states, territories and tribes, our recent letters notifying the affected states, territories, and tribes of our intended designations, and area-specific technical support information at the following locations: Regional offices
StatesDave Conroy, Chief, Air Programs Branch, EPA New England, 5 Post Office Square, Suite 100, Boston, MA 02109-3912, (617) 918-1661
Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island and Vermont.Richard Ruvo, Chief, Air Programs Branch, EPA Region II, 290 Broadway, 25th Floor, New York, NY 10007-1866, (212) 637-4014
New Jersey, New York, Puerto Rico and Virgin Islands.Maria A. Pino, Acting Associate Director, Office of Air Program Planning, EPA Region III, 1650 Arch Street, Philadelphia, PA 19103-2187, (215) 814-2181
Delaware, District of Columbia, Maryland, Pennsylvania, Virginia and West Virginia.R. Scott Davis, Chief, Air Planning and Implementation Branch, EPA Region IV, Sam Nunn Atlanta Federal Center, 61 Forsyth, Street, SW, 12th Floor, Atlanta, GA 30303, (404) 562-9127
Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina and Tennessee.John Mooney, Chief, Air Programs Branch, EPA Region V, 77 West Jackson Street, Chicago, IL 60604, (312) 886-6043
Illinois, Indiana, Michigan, Minnesota, Ohio and Wisconsin.Alan Shar, Acting Chief, Air Planning Section, EPA Region VI, 1445 Ross Avenue, Dallas, TX 75202, (214) 665-6691
Arkansas, Louisiana, New Mexico, Oklahoma and Texas.Mike Jay, Chief, Air Programs Branch, EPA Region VII, 11201 Renner Blvd., Lenexa, KS 66129, (913) 551-7460
Iowa, Kansas, Missouri and Nebraska.Monica Morales, Air Program Director, EPA Region VIII, 1595 Wynkoop Street, Denver, CO 80202-1129, (303) 312-6936
Colorado, Montana, North Dakota, South Dakota, Utah and Wyoming.Anita Lee, Air Planning Office, EPA Region IX, 75 Hawthorne Street, San Francisco, CA 94105, (415) 972-3958
American Samoa, Arizona, California, Guam, Hawaii, Nevada, Northern Mariana Islands, Navajo Nation and the Hopi Tribe.( print page 1099)Debra Suzuki, Manager, State and Tribal Air Programs, EPA Region X, Office of Air, Waste, and Toxics, Mail Code OAQ-107, 1200 Sixth Avenue, Seattle, WA 98101, (206) 553-0985
Alaska, Idaho, Oregon and Washington.
 The information can also be reviewed online at 
                        *https://www.epa.gov/​sulfur-dioxide-designations*
                         and in the public docket for these SO2
                         designations at 
                        *https://www.regulations.gov*
                         under Docket ID No. EPA-HQ-OAR-2017-0003. Table of Contents The following is an outline of the Preamble. I. Preamble Glossary of Terms and Acronyms II. What is the purpose of this action? III. What is the 2010 SO2
                             NAAQS and what are the health concerns that it addresses? IV. What are the CAA requirements for air quality designations and what action has the EPA taken to meet these requirements? V. What guidance did the EPA issue and how did the EPA apply the statutory requirements and applicable guidance to determine area designations and boundaries? VI. What air quality information has the EPA used for these designations? VII. How do the Round 3 designations affect Indian country? VIII. Where can I find information forming the basis for this rule and exchanges between the EPA, states and tribes related to this rule? IX. Environmental Justice Concerns X. Statutory and Executive Order Reviews A. Executive Order 12866: Regulatory Planning and Review and Executive Order 13563: Improving Regulation and Regulatory Review B. Executive Order 13771: Reducing Regulations and Controlling Regulatory Costs C. Paperwork Reduction Act (PRA) D. Regulatory Flexibility Act (RFA) E. Unfunded Mandates Reform Act (UMRA) F. Executive Order 13132: Federalism G. Executive Order 13175: Consultation and Coordination With Indian Tribal Government H. Executive Order 13045: Protection of Children From Environmental Health and Safety Risks I. Executive Order 13211: Actions That Significantly Affect Energy Supply, Distribution or Use J. National Technology Transfer and Advancement Act (NTTAA) K. Executive Order 12898: Federal Actions To Address Environmental Justice in Minority Populations and Low-Income Populations L. Congressional Review Act (CRA) M. Judicial Review I. Preamble Glossary of Terms and Acronyms The following are abbreviations of terms used in the preamble. APA Administrative Procedure Act CAA Clean Air Act CFR Code of Federal Regulations DC District of Columbia EO Executive Order EPA Environmental Protection Agency FR Federal Register NAAQS National Ambient Air Quality Standards NTTAA National Technology Transfer and Advancement Act OMB Office of Management and Budget SO2
                             Sulfur Dioxide SOX
                             Sulfur Oxides RFA Regulatory Flexibility Act UMRA Unfunded Mandate Reform Act of 1995 TAR Tribal Authority Rule TAD Technical Assistance Document TSD Technical Support Document U.S. United States II. What is the purpose of this action? The purpose of this final action is to announce and promulgate initial air quality designations for certain areas in the U.S. for the 2010 SO2
                         NAAQS, in accordance with the requirements of the CAA. The EPA is designating areas as either Nonattainment, Attainment/Unclassifiable, or Unclassifiable, based on the definitions described in Section IV in this preamble, and based on evaluating any available information, including (but not limited to) appropriate modeling analyses and/or monitoring data. This is the third round of designations for the 2010 SO2
                         NAAQS. As discussed in Section IV of this document, the EPA is designating SO2
                         areas in multiple rounds. The EPA completed the first round of SO2
                         designations in an action signed on July 25, 2013 (78 FR 47191; August 5, 2013). In that action, the EPA designated 29 areas in 16 states as Nonattainment, based on air quality monitoring data. In the second round of SO2
                         designations, in actions published on July 12, 2016 (81 FR 45039), and December 13, 2016 (81 FR 89870), the EPA designated 65 additional areas in 24 states: 7 Nonattainment areas, 41 Unclassifiable/Attainment areas and 17 Unclassifiable areas. In this third round, 6 areas are being designated Nonattainment; 23 areas are being designated Unclassifiable; and the rest of the areas covered by this round in all states, territories, and tribal lands are being designated Attainment/Unclassifiable. In a future fourth round, the EPA expects to designate all remaining undesignated areas (approximately 50 areas) where states have installed and begun timely operation of a new SO2
                         monitoring network. The list of areas being designated in the affected states and the boundaries of each area appear in the tables for each state within the regulatory text at the end of this document. For areas in this action that meet our definition of “Attainment/Unclassifiable,” the EPA notes this inversion, from previous rounds, of the order of the words “Attainment” and “Unclassifiable” in the amended term “Attainment/Unclassifiable area” has no consequence itself, and that there are no regulatory consequences of this change in, or clarified interpretation of, terminology to the areas in which the terms “Attainment/Unclassifiable” or “Unclassifiable” are applied. For consistency, we are also inverting the order of “Attainment” and “Unclassifiable” for areas previously designated in Round 2 (81 FR 45039 and 81 FR 89870). This re-ordering of the terms has no regulatory consequence and does not revisit the determinations made in Round 2 for these areas. The EPA believes this change is consistent with Congress's definition of “Attainment area” in CAA section 107(d)(1)(A)(ii), and will improve public understanding and make clearer what regulations apply to areas designated in this way, which states have commented they believe is important for the economic development of such areas. These designations are based on the EPA's nationwide analytical approach and technical assessment of and conclusions regarding the weight of evidence for each area, including but not limited to available air quality monitoring data or air quality modeling. With respect to air quality monitoring data, the EPA considered data from at least the most recent three calendar years 2014-2016 as available. In the modeling runs conducted by states or third parties, the impacts of the actual emissions for recent 3-year periods (
                        *e.g.,*
                         2012-2014, 2013-2015, 2014-2016) were considered. In some cases, the modeling evaluated current allowable 
                        ( print page 1100)
                        emissions limits in lieu of or as a supplement to modeling of actual emissions. As described in Section VI and in limited circumstances, the EPA may consider early certified 2015-2017 monitoring data or other documentation that demonstrates Attainment. This information would need to be submitted to the EPA by February 28, 2018. For the areas being designated Nonattainment, the CAA directs states to develop and submit to the EPA State Implementation Plans (SIPs) within 18 months of the effective date of this final rule, that meet the requirements of sections 172(c) and 191-192 of the CAA and provide for Attainment of the NAAQS as expeditiously as practicable, but not later than 5 years from the effective date of this final rule. In 2010, the EPA issued a notice of final rulemaking that revised the primary SO2
                         NAAQS (75 FR 35520; June 22, 2010) after review of the existing primary SO2
                         standards promulgated on April 30, 1971 (36 FR 8187). The EPA established the revised primary SO2
                         NAAQS at 75 parts per billion (ppb) which is attained when the 3-year average of the annual 99th percentile of 1-hour daily maximum concentrations does not exceed 75 ppb. The process for designating areas following promulgation of a new or revised NAAQS is contained in the CAA section 107(d) (42 U.S.C. 7407(d)). After promulgation of a new or revised NAAQS, each governor or tribal leader has an opportunity to recommend air quality designations, including the appropriate boundaries for Nonattainment areas, to the EPA. The EPA considers these recommendations as part of its duty to promulgate the formal area designations and boundaries for the new or revised NAAQS. By no later than 120 days prior to promulgating designations, the EPA is required to notify states, territories, and tribes, as appropriate, of any intended modifications to an area designation or boundary recommendation that the EPA deems necessary. After invoking a 1-year extension of the deadlines to designate areas, as provided for in section 107 of the Act, the EPA completed an initial round of SO2
                         designations for certain areas of the country on July 25, 2013 (referred to as “Round 1”).[1]
                        
                         Following the initial designations, three lawsuits were filed against the EPA in different U.S. District Courts, alleging the agency had failed to perform a nondiscretionary duty under the CAA by not designating all portions of the country by the June 2, 2013, deadline. In one of those cases, the U.S. District Court for the Northern District of California on March 2, 2015, entered an enforceable order for the EPA to complete the area designations by three specific deadlines according to the court-ordered schedule. To meet the first court-ordered deadline, additional areas were designated on June 30, 2016, and November 29, 2016 (collectively referred to as “Round 2”).[2]
                        
                         Pursuant to the court-ordered schedule,[3]
                        
                         the EPA must complete SO2
                         designations for the remaining areas of the country by two specific deadlines: December 31, 2017, and December 31, 2020. This current third round of designations addresses all remaining undesignated areas except those where a state has installed and begun timely operating a new SO2
                         monitoring network meeting EPA specifications referenced in EPA's SO2
                         Data Requirements Rule.[4] On or about August 22, 2017, consistent with section 107(d)(1)(b)(ii) of the CAA, the EPA notified affected states, territories, and tribes of its intended designation of certain specific areas as either Nonattainment, Attainment/Unclassifiable, or Unclassifiable for the SO2
                         NAAQS. These states then had the opportunity to demonstrate why they believed an intended modification of their updated recommendations by the EPA may be inappropriate. Although not required under the CAA, as the EPA had done for the first and second rounds of SO2
                         designations, the EPA also chose to provide an opportunity for members of the public to comment on the EPA's August 2017 letters. The EPA published a notice of availability and public comment period for the intended designations on September 5, 2017 (82 FR 41903). The public comment period closed on October 5, 2017. The recommendations, the EPA's August 2017 letters, and the subsequent state and public comment letters, are in the docket for this third round of SO2
                         designations at Docket ID No. EPA-HQ-OAR-2017-0003 and are available on the SO2
                         designations website. III. What is the 2010 SO2 NAAQS and what are the health concerns that it addresses? The EPA revised the primary SO2
                         NAAQS in a final rule published in the 
                        **Federal Register**
                         on June 22, 2010 (75 FR 35520), which became effective on August 23, 2010. Based on review of the air quality criteria for oxides of sulfur and the primary NAAQS for oxides of sulfur as measured by SO2,
                         the EPA revised the primary SO2
                         NAAQS to provide requisite protection of public health with an adequate margin of safety. Specifically, the EPA established a new 1-hour SO2
                         standard at a level of 75 ppb, which is met at an ambient air quality monitoring site when the 3-year average of the annual 99th percentile of 1-hour daily maximum concentrations is less than or equal to 75 ppb, as determined in accordance with Appendix T of 40 CFR part 50. 40 CFR 50.17(a) and (b). The EPA also established provisions to revoke both the existing 24-hour and annual primary SO2
                         standards, subject to certain conditions. 40 CFR 50.4(e). Current scientific evidence links short-term exposures to SO2, ranging from 5 minutes to 24 hours, with an array of adverse respiratory effects including bronchoconstriction and increased asthma symptoms. These effects are particularly important for asthmatics at elevated ventilation rates (
                        *e.g.,*
                         while exercising or playing). Studies also show a connection between short-term exposure and increased visits to emergency departments and hospital admissions for respiratory illnesses, particularly in at-risk populations including children, the elderly and asthmatics. IV. What are the CAA requirements for air quality designations and what action has the EPA taken to meet these requirements? After the EPA promulgates a new or revised NAAQS, the EPA is required to designate all areas of the country as either “Nonattainment,” “Attainment,” or “Unclassifiable,” for that NAAQS pursuant to section 107(d)(1) of the CAA. As part of these Round 3 designations, the EPA is implementing its interpretation of statutory terms under CAA section 107(d) nationwide and is basing these designations on the EPA's nationwide analytical approach and technical analysis, including evaluation of monitoring data and air quality modeling, applied to the available evidence for each area.
                        ( print page 1101) Regarding statutory definitions and the EPA's interpretations of such, section 107(d)(1)(A)(i) of the CAA defines a Nonattainment area as an area that does not meet the NAAQS or that contributes to a nearby area that does not meet the NAAQS. An Attainment area is defined by the CAA as any area that meets the NAAQS and does not contribute to a nearby area that does not meet the NAAQS. Unclassifiable areas are defined by the CAA as those that cannot be classified on the basis of available information as meeting or not meeting the NAAQS. For the purpose of this action for the 2010 SO2
                         NAAQS, the EPA has interpreted and applied the statutory definitions as follows. The EPA defines a 
                        *Nonattainment*
                         area as an area that the EPA has determined violates the 2010 SO2
                         NAAQS or contributes to a violation in a nearby area, based on the most recent 3 years of air quality monitoring data, appropriate dispersion modeling analysis, and any other relevant information. In this action, an 
                        *Attainment/Unclassifiable*
                         area is defined by the EPA as an area that either: (1) Was not required to be characterized under 40 CFR 51.1203(c) or (d) for which available information does not indicate that the area violates the NAAQS or contributes to ambient air quality in a nearby area that does not meet the NAAQS; or (2) was required to be characterized under 40 CFR 51.1203(c) or (d) for which the EPA has determined the available information indicates the area meets the NAAQS and does not indicate the area contributes to ambient air quality in a nearby area that does not meet the NAAQS. In this action, an 
                        *Unclassifiable area*
                         is defined by the EPA as an area for which the available information does not allow the EPA to determine whether the area meets the definition of a Nonattainment area or the definition of an Attainment/Unclassifiable area. This nationwide analytical approach also includes but is not limited to: (1) EPA's interpretations of other terms in the context of Round 3 of the 2010 SO2
                         NAAQS; (2) the appropriate basis for characterizing the air quality of an area; (3) the five-factor analysis to determine the boundaries for each air quality area under the NAAQS; and (4) the methodology for appropriately characterizing SO2
                         air quality through monitoring or modeling. The EPA notes that CAA section 107(d) provides the agency with discretion to determine how best to interpret the terms in the definition of a Nonattainment area (
                        *e.g.,*
                         “contributes to” and “nearby”) for a new or revised NAAQS, given considerations such as the nature of a specific pollutant, the types of sources that may contribute to violations, the form of the standards for the pollutant, and other relevant information. In particular, the EPA's position is that the statute does not require the agency to establish bright line tests or thresholds for what constitutes “contribution” or “nearby” for purposes of designations.[5] Similarly, the EPA's position is that the statute permits the EPA to evaluate the appropriate application of the term “area” to include geographic areas based upon full or partial county boundaries, as may be appropriate for a particular NAAQS. For example, CAA section 107(d)(1)(B)(ii) explicitly provides that the EPA can make modifications to designation recommendations for an area “or portions thereof,” and under CAA section 107(d)(1)(B)(iv) a designation remains in effect for an area “or portion thereof” until the EPA redesignates it. By no later than 1 year after the promulgation of a new or revised NAAQS, CAA section 107(d)(1)(A) provides that each state governor is required to recommend air quality designations, including the appropriate boundaries for areas, to the EPA.[6]
                        
                         The EPA reviews those recommendations and is authorized to make any modifications the Administrator deems necessary. The statute does not define the term “necessary,” but the EPA interprets this to authorize the Administrator to modify designations that did not meet the statutory requirements or were otherwise inconsistent with the facts or analysis deemed appropriate by the Administrator. If the EPA is considering modifications to a recommendation, we are required by CAA section 107(d)(1)(B)(ii) to notify the state of any such intended modifications not less than 120 days prior to our promulgation of the final designation. These notifications are commonly known as the “120-day letters.” During this period, if the state or territory does not agree with the EPA's proposed modification, it has an opportunity to respond to the EPA and to demonstrate why it believes the modification proposed by the EPA is inappropriate. If a state or territory fails to provide any recommendation for an area, in whole or in part, the EPA still must promulgate a designation that the Administrator deems appropriate, pursuant to CAA section 107(d)(1)(B)(ii). While CAA section 107(d) specifically addresses the designations process between the EPA and states and territories, the EPA followed the same process to the extent practicable for tribes that submitted designation recommendations. V. What guidance did the EPA issue and how did the EPA apply the statutory requirements and applicable guidance to determine area designations and boundaries? In the notice of proposed rulemaking for the revised SO2
                         NAAQS (74 FR 64810; December 8, 2009), the EPA issued proposed guidance on our approach to implementing the standard, including our approach to initial area designations. The EPA solicited comment on that guidance and, in the notice of final rulemaking (75 FR 35520; June 22, 2010), provided further guidance concerning implementation of the standard and how to identify Nonattainment areas and boundaries for the SO2
                         NAAQS. Subsequently, on March 24, 2011, the EPA provided additional designations guidance to assist states with making their recommendations for area designations and boundaries.[7]
                        
                         That guidance recommended, among other things, that monitoring data from the most recent 3 consecutive years be used to identify a violation of the SO2
                         NAAQS. This is appropriate because the form of the SO2
                         NAAQS is calculated as a 3-year average of the 99th percentile of the yearly distribution of 1-hour daily maximum SO2
                         concentrations (specifically the most recent 3 consecutive years). The EPA based the first round of final SO2
                         designations in 2013 solely on violating monitored SO2
                         concentrations for the years 2010-2012 from Federal Reference Method and Federal Equivalent Method monitors that are sited and operated in accordance with 40 CFR parts 50 and 58, and did not at that time designate any other areas. In the March 24, 2011, guidance, the EPA stated that the perimeter of a county containing a violation would be the initial presumptive boundary for Nonattainment areas, but also stated that the state, tribe and/or the EPA could conduct additional area-specific analyses that could justify establishing either a larger or smaller area. The EPA indicated that the following factors should be considered in an analysis of whether to exclude portions of a county 
                        ( print page 1102)
                        and whether to include additional nearby areas outside the county as part of the designated Nonattainment area: (1) Air quality data; (2) emissions-related data; (3) meteorology; (4) geography/topography; and (5) jurisdictional boundaries, as well as other available data. States and tribes may identify and evaluate other relevant factors or circumstances specific to a particular area. Following entry of the March 2, 2015, court order setting forth the schedule for the EPA to complete SO2
                         designations, the EPA issued updated designations guidance.[8]
                        
                         This guidance superseded the March 24, 2011, designation guidance for the 2010 SO2
                         NAAQS, and identified factors that the EPA intended to evaluate in determining whether areas are in violation of the 2010 SO2
                         NAAQS or contribute to air quality in nearby areas that are in violation of the 2010 SO2
                         NAAQS. The guidance also contained the factors the EPA intended to evaluate in determining the boundaries for all remaining areas in the country, consistent with the court's order and schedule. These factors include: (1) Air quality characterization via ambient monitoring or dispersion modeling results; (2) emissions-related data; (3) meteorology; (4) geography and topography; and (5) jurisdictional boundaries.[9] On March 8, 2017, the EPA issued a memo to clarify what version of the AERMOD modeling system is the most appropriate for consideration by the agency in the SO2
                         designations process.[10] VI. What air quality information has the EPA used for these designations? For designations for the SO2
                         NAAQS, air agencies have the flexibility to characterize air quality using either appropriately sited ambient air quality monitors or modeling of actual or current allowable source emissions. These designations are based on the EPA's application of the nationwide analytical approach to, and technical assessment of, the weight of evidence for each area, including but not limited to available air quality monitoring data and air quality modeling results. The 1-hour primary SO2
                         standard is violated at an ambient air quality monitoring site (or in the case of dispersion modeling, at an ambient air quality receptor location) when the 3-year average of the annual 99th percentile of the daily maximum 1-hour average concentrations exceeds 75 ppb, as determined in accordance with Appendix T of 40 CFR part 50. With respect to air quality monitoring data, the EPA has considered data from at least the most recent 3 calendar years, 
                        *i.e.,*
                         2014-2016, as available. In most of the modeling runs available for EPA's review, the impacts of the actual emissions for one or more of the recent 3-year periods (
                        *e.g.,*
                         2012-2014, 2013-2015, 2014-2016) were considered, and in some cases the modeling was of currently effective limits on allowable emissions in lieu of or as a supplement to modeling of actual emissions. The deadline for Round 3 designations and the practical difficulties of obtaining source emissions data for modeling, and complete, quality-assured, certified SO2
                         monitoring data for the entirety of calendar year 2017 in December 2017, make the EPA's use of final 2017 emissions and monitoring data for this action generally impracticable. Under normal circumstances, the full year of such data would not be available to support regulatory determinations until after the end of the calendar year, and under the applicable regulations, the deadline for states to certify monitoring data is May 1, 2018. However, because these designations are being promulgated at the end of calendar year 2017, and because states can obtain source emissions information and make complete, quality-assured, certified 2017 data available for some areas quickly in 2018, in order to address the impracticability problem, the EPA is providing a process by which state-certified 2017 monitoring or emissions data that become available early in 2018 could be used in the designation process. We have provided that the final SO2
                         designation decisions announced in this action will be effective on the date 90 days following the date of publication of this action in the 
                        **Federal Register**
                        . If any state submits complete, quality-assured, certified 2017 data or related information about 2017 air quality to the EPA by February 28, 2018, supporting a change of the designation status for any area within that state, and the EPA agrees that a change of designation status is appropriate, then we will withdraw the designation announced in this action for such area and issue another designation that reflects the inclusion and analysis of such information. We emphasize that we will conduct this process only for those states that submit the information by the deadline of February 28, 2018, and in those instances where we can complete our analysis of the information and effect the change of designation status before the original effective date established by this final action. If these submissions cause an area to change from Nonattainment to Attainment or Unclassifiable, the EPA will change the designation for the area following the process described in the preceding paragraph. If inclusion of 2017 data or related information about 2017 air quality indicates Nonattainment in an area that was designated Attainment or Unclassifiable, we will evaluate the reasons for the violation in the area and determine the appropriate course of action, which could include additional future action to change the designation for the area to Nonattainment. VII. How do the Round 3 designations affect Indian country? For areas of Indian country, there are no violating monitors. The Navajo Nation submitted modeling analyses for the areas around two SO2
                         emission sources located in the Navajo Nation, the Navajo Generating Station and the Four Corners Power Plant, neither of which indicated a violation of the NAAQS. The Navajo Nation, the lands of the Hopi Tribe, and the Southern Ute Indian Reservation are being designated as separate areas. All other parts of Indian country are being designated as Attainment/Unclassifiable or Unclassifiable along with the surrounding state area. No areas of Indian country are being designated as Nonattainment in this round. VIII. Where can I find information forming the basis for this rule and exchanges between the EPA, states and tribes related to this rule? Information providing the basis for this final action are provided in a final technical support document (TSD) 
                        11( print page 1103)
                        included in the docket. The final TSD, intended designations TSD, modeling files, technical assistance documents, applicable EPA guidance memoranda, public comments, and copies of correspondence regarding this process between the EPA and the states, territories, tribes, and other parties, are available for review at the public docket for these SO2
                         designations at 
                        *https://www.regulations.gov*
                         under Docket ID No. EPA-HQ-OAR-2017-0003, at the EPA Docket Center listed above in the 
                        **ADDRESSES**
                         section of this document and on the agency's SO2
                         Designations website at 
                        *https://www.epa.gov/​sulfur-dioxide-designations.*
                         Area-specific questions can be addressed to the EPA Regional offices (
                        *see*
                         contact information provided at the beginning of this document). IX. Environmental Justice Concerns When the EPA establishes a new or revised NAAQS, the CAA requires the EPA to designate all areas of the U.S. as either Nonattainment, Attainment, or Unclassifiable. This action addresses designation determinations for certain areas for the 2010 SO2
                         NAAQS. Area designations address environmental justice concerns by ensuring that the public is properly informed about the air quality in an area. In locations where air quality does not meet the NAAQS, the CAA requires relevant state authorities to initiate appropriate air quality management actions to ensure that all those residing, working, attending school, or otherwise present in those areas are protected, regardless of minority and economic status. X. Statutory and Executive Order Reviews A. Executive Order 12866: Regulatory Planning and Review and Executive Order 13563: Improving Regulation and Regulatory Review This action is exempt from review by the Office of Management and Budget because it responds to the CAA requirement to promulgate air quality designations after promulgation of a new or revised NAAQS. B. Executive Order 13771: Reducing Regulations and Controlling Regulatory Costs This action is not an Executive Order 13771 regulatory action because actions such as air quality designations after promulgating a new revised NAAQS are exempt under Executive Order 12866. C. Paperwork Reduction Act (PRA) This action does not impose an information collection burden under the PRA. This action fulfills the non-discretionary duty for the EPA to promulgate air quality designations after promulgation of a new or revised NAAQS and does not contain any information collection activities. D. Regulatory Flexibility Act (RFA) This designation action under CAA section 107(d) is not subject to the RFA. The RFA applies only to rules subject to notice-and-comment rulemaking requirements under the APA, 5 U.S.C. 553, or any other statute. Section 107(d)(2)(B) of the CAA explicitly provides that designations are exempt from the notice-and-comment provisions of the APA. In addition, designations under CAA section 107(d) are not among the list of actions that are subject to the notice-and-comment rulemaking requirements of CAA section 307(d). E. Unfunded Mandates Reform Act (UMRA) This action does not contain any unfunded mandate as described in UMRA, 2 U.S.C. 1531-1538 and does not significantly or uniquely affect small governments. The action imposes no enforceable duty on any state, local, or tribal governments or the private sector. F. Executive Order 13132: Federalism This action does not have federalism implications. It will not have substantial direct effects on the states, on the relationship between the national government and the states, or on the distribution of power and responsibilities among the various levels of government. The division of responsibility between the federal government and the states for purposes of implementing the NAAQS is established under the CAA. G. Executive Order 13175: Consultation and Coordination With Indian Tribal Government This action does not have tribal implications, as specified in Executive Order 13175. This action concerns the designation of certain areas in the U.S. for the 2010 SO2
                         NAAQS. The CAA provides for states, territories, and eligible tribes to develop plans to regulate emissions of air pollutants within their areas, as necessary, based on the designations. The Tribal Authority Rule (TAR) provides tribes the opportunity to apply for eligibility to develop and implement CAA programs, such as programs to attain and maintain the SO2
                         NAAQS, but it leaves to the discretion of the tribe the decision of whether to apply to develop these programs and which programs, or appropriate elements of a program, the tribe will seek to adopt. This rule does not have a substantial direct effect on one or more Indian tribes. It would not create any additional requirements beyond those of the SO2
                         NAAQS. This rule establishes the designations for certain areas of the country for the SO2
                         NAAQS, but no areas of Indian country are being designated as Nonattainment by this action. Furthermore, this rule does not affect the relationship or distribution of power and responsibilities between the federal government and Indian tribes. The CAA and the TAR establish the relationship of the federal government and tribes in developing plans to attain the NAAQS, and this rule does nothing to modify that relationship. Thus, Executive Order 13175 does not apply. Although Executive Order 13175 does not apply to this rule, after the EPA promulgated the 2010 primary SO2
                         NAAQS, the EPA communicated with tribal leaders and environmental staff regarding the designations process. In 2011, the EPA also sent individualized letters to all federally recognized tribes to explain the designation process for the 2010 primary SO2
                         NAAQS, to provide the EPA designations guidance, and to offer consultation with the EPA. The EPA provided further information to tribes through presentations at the National Tribal Forum and through participation in National Tribal Air Association conference calls. The EPA also sent individualized letters to all federally recognized tribes that submitted recommendations to the EPA about the EPA's intended Round 1 designations for the SO2
                         standard and offered tribal leaders the opportunity for consultation.[12]
                        
                         These communications provided opportunities for tribes to voice concerns to the EPA about the general designations process for the 2010 SO2
                         NAAQS, as well as concerns specific to a tribe, and informed the EPA about key tribal concerns regarding designations as the designations process was under development and through its implementation up to that point. For the second round of SO2
                         designations, the EPA sent additional letters to tribes that could potentially be affected and offered 
                        ( print page 1104)
                        additional opportunities for participation in the designations process. For this third round of SO2
                         designations, the EPA has sent similar letters to affected tribes. H. Executive Order 13045: Protection of Children From Environmental Health and Safety Risks The EPA interprets Executive Order 13045 as applying to those regulatory actions that concern environmental health or safety risks that the EPA has reason to believe may disproportionately affect children, per the definition of “covered regulatory action” in section 2-202 of the Executive Order. This action is not subject to Executive Order 13045 because it does not establish an environmental standard intended to mitigate health or safety risks. I. Executive Order 13211: Actions That Significantly Affect Energy Supply, Distribution or Use This action is not subject to Executive Order 13211 because it is not a significant regulatory action under Executive Order 12866. J. National Technology Transfer and Advancement Act (NTTAA) This rulemaking does not involve technical standards. K. Executive Order 12898: Federal Actions To Address Environmental Justice in Minority Populations and Low-Income Populations The EPA believes that this action does not have disproportionately high and adverse human health or environmental effects on minority populations, low-income populations and/or indigenous peoples, as specified in Executive Order 12898 (59 FR 7629, February 16, 1994). The documentation for this determination is contained in Section IX of this preamble, “Environmental Justice Concerns.” L. Congressional Review Act (CRA) This action is subject to the CRA, and the EPA will submit a rule report to each House of the Congress and to the Comptroller General of the U.S. This action is not a “major rule” as defined by 5 U.S.C. 804(2). M. Judicial Review Section 307(b)(1) of the CAA indicates which Federal Courts of Appeal have venue for petitions of review of final actions by the EPA. This section provides, in part, that petitions for review must be filed in the Court of Appeals for the District of Columbia Circuit: (i) When the agency action consists of “nationally applicable regulations promulgated, or final actions taken, by the Administrator,” or (ii) when such action is locally or regionally applicable, if “such action is based on a determination of nationwide scope or effect and if in taking such action the Administrator finds and publishes that such action is based on such a determination.” This final action to designate certain areas for the 2010 SO2
                         NAAQS is “nationally applicable” within the meaning of section 307(b)(1). The final action establishes designations for areas across the U.S. for the 2010 SO2
                         NAAQS. At the core of this action is the EPA's nationwide analytical approach and technical analysis, including evaluation of monitoring data and air quality modeling, applied to the available evidence for each area, including the EPA's interpretation of statutory terms in the CAA such as the definitions of Nonattainment, Attainment, and Unclassifiable under section 107(d)(1) of the CAA, and its application of that interpretation to areas across the country. Accordingly, the Administrator has determined that the final action is nationally applicable and is hereby publishing that finding in the 
                        **Federal Register**
                        . For the same reasons discussed above that make the final rule nationally applicable, the Administrator also has determined that the final designations are of nationwide scope and effect for the purposes of section 307(b)(1). This is particularly appropriate because, in the report on the 1977 Amendments that revised section 307(b)(1) of the CAA, Congress noted that the Administrator's determination that an action is of “nationwide scope or effect” would be appropriate for any action that has a scope or effect beyond a single judicial circuit. H.R. Rep. No. 95-294 at 323, 324, 
                        *reprinted*
                         in 1977 U.S.C.C.A.N. 1402-03. Here, the scope and effect of the action will extend to numerous judicial circuits since the designations will apply to areas across the country. In these circumstances, section 307(b)(1) and its legislative history calls for the Administrator to find the action to be of “nationwide scope or effect” and for venue to be in the D.C. Circuit. Therefore, the Administrator has determined that the final action is based on a determination by the Administrator of nationwide scope or effect, and is hereby publishing that finding in the 
                        **Federal Register**
                        . List of Subjects in 40 CFR Part 81 Air pollution control
National parks
Wilderness areas
 Dated: December 21, 2017. E. Scott Pruitt, Administrator.
 For the reasons set forth in the preamble, 40 CFR part 81 is amended as follows: PART 81—DESIGNATIONS OF AREAS FOR AIR QUALITY PLANNING PURPOSES
 1.The authority citation for part 81 continues to read as follows: Authority:
                            42 U.S.C. 7401, 
                                *et seq.* Subpart C—Section 107 Attainment Status Designations
 2.Section 81.301 is amended by adding a table titled “Alabama—2010 Sulfur Dioxide NAAQS (Primary)” following the table titled “Alabama—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.301
  
 Alabama—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeEscambia County

Unclassifiable.Mobile County

Unclassifiable.Morgan County

Unclassifiable.Pike County

Unclassifiable.Shelby County

Unclassifiable.Shelby County (part) 32016 US Census Block Groups 011170308001 and 011170308002Washington County

Unclassifiable.( print page 1105)Rest of State:Autauga County

Attainment/Unclassifiable.Baldwin County

Attainment/Unclassifiable.Barbour County

Attainment/Unclassifiable.Bibb County

Attainment/Unclassifiable.Blount County

Attainment/Unclassifiable.Bullock County

Attainment/Unclassifiable.Butler County

Attainment/Unclassifiable.Calhoun County

Attainment/Unclassifiable.Chambers County

Attainment/Unclassifiable.Cherokee County

Attainment/Unclassifiable.Chilton County

Attainment/Unclassifiable.Choctaw County

Attainment/Unclassifiable.Clarke County

Attainment/Unclassifiable.Clay County

Attainment/Unclassifiable.Cleburne County

Attainment/Unclassifiable.Coffee County

Attainment/Unclassifiable.Colbert County

Attainment/Unclassifiable.Conecuh County

Attainment/Unclassifiable.Coosa County

Attainment/Unclassifiable.Covington County

Attainment/Unclassifiable.Crenshaw County

Attainment/Unclassifiable.Cullman County

Attainment/Unclassifiable.Dale County

Attainment/Unclassifiable.Dallas County

Attainment/Unclassifiable.DeKalb County

Attainment/Unclassifiable.Elmore County

Attainment/Unclassifiable.Etowah County

Attainment/Unclassifiable.Fayette County

Attainment/Unclassifiable.Franklin County

Attainment/Unclassifiable.Geneva County

Attainment/Unclassifiable.Greene County

Attainment/Unclassifiable.Hale County

Attainment/Unclassifiable.Henry County

Attainment/Unclassifiable.Houston County

Attainment/Unclassifiable.Jackson County

Attainment/Unclassifiable.Jefferson County

Attainment/Unclassifiable.Lamar County

Attainment/Unclassifiable.Lauderdale County

Attainment/Unclassifiable.Lawrence County

Attainment/Unclassifiable.Lee County

Attainment/Unclassifiable.Limestone County

Attainment/Unclassifiable.Lowndes County

Attainment/Unclassifiable.Macon County

Attainment/Unclassifiable.Madison County

Attainment/Unclassifiable.Marengo County

Attainment/Unclassifiable.Marion County

Attainment/Unclassifiable.Marshall County

Attainment/Unclassifiable.Monroe County

Attainment/Unclassifiable.Montgomery County

Attainment/Unclassifiable.Perry County

Attainment/Unclassifiable.Pickens County

Attainment/Unclassifiable.Randolph County

Attainment/Unclassifiable.Russell County

Attainment/Unclassifiable.St. Clair County

Attainment/Unclassifiable.Sumter County

Attainment/Unclassifiable.Talladega County

Attainment/Unclassifiable.Tallapoosa County

Attainment/Unclassifiable.Tuscaloosa County

Attainment/Unclassifiable.Walker County

Attainment/Unclassifiable.Wilcox County

Attainment/Unclassifiable.Winston 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 April 9, 2018, unless otherwise noted.3
                                     The remainder of Shelby County will be designated by December 31, 2020.
 3.Section 81.302 is amended by adding a table titled “Alaska—2010 Sulfur Dioxide NAAQS (Primary)” following the table titled “Alaska—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.302
  
 Alaska—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeEntire State

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 April 9, 2018, unless otherwise noted.
 4.Section 81.303 is amended by revising the table entitled “Arizona—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.303
  
 Arizona—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeHayden, AZ 3
10-4-13
Nonattainment.Gila County (part)The portions of Gila County that are bounded by: T4S, R14E; T4S, R15E; T4S, R16E; T5S, R15E; T5S, R16EPinal County (part)The portions of Pinal County that are bounded by: T4S, R14E; T4S, R15E; T4S, R16E; T5S, R14E; T5S, R15E; T5S, R16E; T6S, R14E; T6S, R15E; T6S, R16EMiami, AZ 3
10-4-13
Nonattainment.Gila County (part)The portions of Gila County that are bounded by: T2N, R14E; T2N, R15E; T1N, R13E; T1N, R14E; T1N, R15E; T1S, R14E; T1S, R14 1/2E; T1S, R15ECoconino County (part)

Unclassifiable.The portions of Coconino County located within the Navajo Nation areas of Indian country within a 50-km radius of the Navajo Generating Station at the coordinates 39.904006 decimal degrees latitude and −111.389435 decimal degrees longitude, using the 1984 World Geodetic Survey datum.Rest of State:Apache County (part) 4

Attainment/Unclassifiable.Cochise County

Attainment/Unclassifiable.Coconino County (part) 5

Attainment/Unclassifiable.Gila County (part) 6

Attainment/Unclassifiable.Graham County

Attainment/Unclassifiable.Greenlee County

Attainment/Unclassifiable.Lands of the Hopi Tribe

Attainment/Unclassifiable.La Paz County

Attainment/Unclassifiable.Maricopa County

Attainment/Unclassifiable.Mohave County

Attainment/Unclassifiable.Navajo County (part) 7

Attainment/Unclassifiable.Lands of the Navajo Nation (part) 8

Attainment/Unclassifiable.Pima County

Attainment/Unclassifiable.Pinal County (part) 9

Attainment/Unclassifiable.Santa Cruz County

Attainment/Unclassifiable.Yavapai County

Attainment/Unclassifiable.Yuma County

Attainment/Unclassifiable.1
                                     Includes 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 April 9, 2018, unless otherwise noted.3
                                     Excludes Indian country located in each area, if any, unless otherwise specified.4
                                     Excludes lands of the White Mountain Apache Tribe.5
                                     Excludes lands of the Hopi Tribe and lands of the Navajo Nation.6
                                     Excludes the lands of the White Mountain Apache Tribe and the Hayden, AZ and Miami, AZ Nonattainment areas.7
                                     Includes all lands of the White Mountain Apache Tribe, including those lands of the White Mountain Apache Tribe geographically located in Apache County and Gila County, and excludes lands of the Hopi Tribe and lands of the Navajo Nation.8
                                     Includes all lands of the Navajo Nation except for the portions of the Navajo Nation lands designated Unclassifiable. Includes the lands of the Navajo Nation geographically located within the states of New Mexico and Utah.9
                                     Excludes the Hayden, AZ Nonattainment area.
 5.Section 81.304 is amended by revising the table entitled “Arkansas—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.304
  
 Arkansas—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeIndependence County
9/12/16
Unclassifiable.Arkansas County

Attainment/Unclassifiable.Ashley County

Attainment/Unclassifiable.Baxter County

Attainment/Unclassifiable.Benton County

Attainment/Unclassifiable.Boone County

Attainment/Unclassifiable.Bradley County

Attainment/Unclassifiable.Calhoun County

Attainment/Unclassifiable.Carroll County

Attainment/Unclassifiable.Chicot County

Attainment/Unclassifiable.Clark County

Attainment/Unclassifiable.Clay County

Attainment/Unclassifiable.Cleburne County

Attainment/Unclassifiable.Cleveland County

Attainment/Unclassifiable.Columbia County

Attainment/Unclassifiable.Conway County

Attainment/Unclassifiable.Craighead County

Attainment/Unclassifiable.Crawford County

Attainment/Unclassifiable.Crittenden County

Attainment/Unclassifiable.Cross County

Attainment/Unclassifiable.Dallas County

Attainment/Unclassifiable.Desha County

Attainment/Unclassifiable.Drew County

Attainment/Unclassifiable.Faulkner County

Attainment/Unclassifiable.Franklin County

Attainment/Unclassifiable.Fulton County

Attainment/Unclassifiable.Garland County

Attainment/Unclassifiable.Grant County

Attainment/Unclassifiable.Greene County

Attainment/Unclassifiable.Hempstead County

Attainment/Unclassifiable.Hot Spring County

Attainment/Unclassifiable.Howard County

Attainment/Unclassifiable.Izard County

Attainment/Unclassifiable.Jackson County

Attainment/Unclassifiable.Jefferson County
9/12/16
Attainment/Unclassifiable.Johnson County

Attainment/Unclassifiable.Lafayette County

Attainment/Unclassifiable.Lawrence County

Attainment/Unclassifiable.Lee County

Attainment/Unclassifiable.Lincoln County

Attainment/Unclassifiable.Little River County

Attainment/Unclassifiable.Logan County

Attainment/Unclassifiable.Lonoke County

Attainment/Unclassifiable.Madison County

Attainment/Unclassifiable.Marion County

Attainment/Unclassifiable.Miller County

Attainment/Unclassifiable.Mississippi County

Attainment/Unclassifiable.Monroe County

Attainment/Unclassifiable.Montgomery County

Attainment/Unclassifiable.Nevada County

Attainment/Unclassifiable.Newton County

Attainment/Unclassifiable.Ouachita County

Attainment/Unclassifiable.Perry County

Attainment/Unclassifiable.Phillips County

Attainment/Unclassifiable.Pike County

Attainment/Unclassifiable.Poinsett County

Attainment/Unclassifiable.Polk County

Attainment/Unclassifiable.Pope County

Attainment/Unclassifiable.Prairie County

Attainment/Unclassifiable.Pulaski County

Attainment/Unclassifiable.Randolph County

Attainment/Unclassifiable.St. Francis County

Attainment/Unclassifiable.Saline County

Attainment/Unclassifiable.Scott County

Attainment/Unclassifiable.Searcy County

Attainment/Unclassifiable.Sebastian County

Attainment/Unclassifiable.( print page 1108)Sevier County

Attainment/Unclassifiable.Sharp County

Attainment/Unclassifiable.Stone County

Attainment/Unclassifiable.Union County

Attainment/Unclassifiable.Van Buren County

Attainment/Unclassifiable.Washington County

Attainment/Unclassifiable.White County

Attainment/Unclassifiable.Woodruff County

Attainment/Unclassifiable.Yell 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 April 9, 2018, unless otherwise noted.
 6.Section 81.305 is amended by adding a table titled “California—2010 Sulfur Dioxide NAAQS (Primary)” following the table “California—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.305
  
 California—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeGreat Basin Valleys Air Basin

Attainment/Unclassifiable.Alpine CountyInyo CountyMono CountyLake County Air Basin

Attainment/Unclassifiable.Lake CountyLake Tahoe Air Basin

Attainment/Unclassifiable.El Dorado County (part)That portion of El Dorado County within the drainage area naturally tributary to Lake Tahoe including said LakePlacer County (part)That portion of Placer County within the drainage area naturally tributary to Lake Tahoe including said Lake, plus that area in the vicinity of the head of the Truckee River described as follows: Commencing at the point common to the aforementioned drainage area crestline and the line common to Townships 15 North and 16 North, M.D.B. & M., and following that line in a westerly direction to the northwest corner of Section 3, Township 15 North, Range 16 East, M.D.B. & M., thence south along the west line of Sections 3 and 10, Township 15 North, Range 16 East, M.D.B. & M., to the intersection with the said drainage area crestline, thence following the said drainage area boundary in a southeasterly direction, then northeasterly direction to and along the Lake Tahoe Dam, thence following the said drainage area crestline in a northeasterly, then northwesterly direction to the point of beginningMojave Desert Air Basin

Attainment/Unclassifiable.Kern County (part)( print page 1109)That portion of Kern County 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 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 intersection with the Rancho El Tejon Land Grant boundary; then southeast, northeast, and northwest along the boundary of the Rancho El Tejon Land Grantto 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 Grantto the southwest 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. 32E.; 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 boundaryLos Angeles County (part)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 running west along the township line common to T. 3 N and T. 2 N, San Bernardino Base and Meridian; then north along the range line common to R. 8 W and R. 9 W; then west along the township line common to T. 4 N and T. 3 N; then north along the range line common to R. 12 W and R. 13 W to the southeast corner of Section 12, T. 5 N, R. 13 W; then west along the south boundaries of Sections 12, 11, 10, 9, 8, 7, T. 5 N, R. 13 W to the boundary of the Angeles National Forest which is collinear with the range line common to R. 13 W and R. 14 W; then north and west along the Angeles National Forest boundary to the point of intersection with the township line common to T. 7 N and T. 6 N (point is at the northwest corner of Section 4 in T. 6 N, R. 14 W); then west along the township line common to T. 7 N and T. 6 N; then north along the range line common to R. 15 W and R. 16 W to the southeast corner of Section 13, T. 7 N, R. 16 W; then along the south boundaries of Sections 13, 14, 15, 16, 17, 18, T. 7 N, R. 16 W; then north along the range line common to R. 16 W and R. 17 W to the north boundary of the Angeles National Forest (collinear with township line common to T. 8 N and T. 7 N) 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 boundaryRiverside County (part)That portion of Riverside County which lies east of a line described as follows: That segment of the southwestern boundary line of Hydrologic Unit Number 18100100 within Riverside County, further described as follows: Beginning at the Riverside-Imperial County boundary and running north along the range line common to R. 17 E. and R. 16 E., San Bernardino Base and Meridian; then northwest along the ridge line of the Chuckwalla Mountains, through T. 8 S., R. 16 E. and T. 7 S., R. 16 E., until the Black Butte Mountain, elev. 4504′; then west and northwest along the ridge line to the southwest corner of T. 5 S., R. 14 E.; then north along the range line common to R. 14 E. and R. 13 E.; then west and northwest along the ridge line to Monument Mountain, elev. 4834′; then southwest and then northwest along the ridge line of the Little San Bernardino Mountains to Quail Mountain, elev. 5814′; then northwest along the ridge line to the Riverside-San Bernardino County lineSan Bernardino County (part)That portion of San Bernardino County east and north of a line described as follows: Beginning at the San Bernardino-Riverside County boundary and running north along the range line common to R. 3 E and R. 2 E, San Bernardino Base and Meridian; then west along the township line common to T. 3 N and T. 2 N to the San Bernardino-Los Angeles County boundaryMountain Counties Air Basin

Attainment/Unclassifiable.Amador CountyCalaveras CountyEl Dorado County (part)All of El Dorado County except that portion included in the Lake Tahoe Air BasinMariposa CountyNevada CountyPlacer County (part)All of Placer County except that portion included in the Lake Tahoe Air Basin and that portion included in the Sacramento Valley Air BasinPlumas CountySierra CountyTuolumne CountyNorth Central Air Basin

Attainment/Unclassifiable.Monterey County( print page 1110)San Benito CountySanta Cruz CountyNorth Coast Air Basin

Attainment/Unclassifiable.Del Norte CountyHumboldt CountyMendocino CountySonoma County (part)That portion of Sonoma County which lies north and west of a line described as follows: 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 westerly 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 easterly and southerly line of Graton Road, northerly and easterly to its intersection with the easterly line of Sullivan Road; thence running northerly along said easterly line of Sullivan Road to the southerly line of Green Valley Road; thence running 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 intersection with the boundary line between Sonoma and Napa Counties, State of CaliforniaTrinity CountyNortheast Plateau Air Basin

Attainment/Unclassifiable.Lassen CountyModoc CountySiskiyou CountySacramento Valley Air Basin

Attainment/Unclassifiable.Butte CountyColusa CountyGlenn CountyPlacer County (part)That portion of Placer County which lies west of Range 9 east, M.D.B. & MSacramento CountyShasta CountySolano County (part)That portion of Solano County which lies north and east 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 CountiesSutter CountyTehama CountyYolo CountyYuba CountySalton Sea Air Basin

Attainment/Unclassifiable.Imperial CountyRiverside County (part)( print page 1111)That portion of Riverside County which lies east of a line described as follows: Beginning at the Riverside-San Diego County boundary and running north along the range line common to R. 4 E and R. 3 E; then east along the township line common to T. 8 S and T. 7 S; then north along the range line common to R. 5 E and R. 4 E; then west along the township line common to T. 6 S and T. 7 S to the southwest corner of Section 34, T. 6 S, R. 4 E; then north along the west boundaries of Sections 34, 27, 22, 15, 10, 3, T. 6 S, R. 4 E; then west along the township line common to T. 5 S and T. 6 S; then north along the range line common to R. 4 E and R. 3 E; then west along the south boundaries of Sections 13, 14, 15, 16, 17 and 18, T. 5 S. R. 3 E; then north along the range line common to R. 2 E and R. 3 E to the Riverside-San Bernardino County line; and west of a line described as follows: That segment of the southwestern boundary line of Hydrologic Unit Number 18100100 within Riverside County, further described as follows: Beginning at the Riverside-Imperial County boundary and running north along the range line common to R. 17 E. and R. 16 E., San Bernardino Base and Meridian; then northwest along the ridge line of the Chuckwalla Mountains, through T. 8 S., R. 16 E. and T. 7 S., R. 16 E., until the Black Butte Mountain, elev. 4504′; then west and northwest along the ridge line to the southwest corner of T. 5 S., R. 14 E.; then north along the range line common to R. 14 E. and R. 13 E.; then west and northwest along the ridge line to Monument Mountain, elev. 4834′; then southwest and then northwest along the ridge line of the Little San Bernardino Mountains to Quail Mountain, elev. 5814′; then northwest along the ridge line to the Riverside-San Bernardino County lineSan Diego Air Basin

Attainment/Unclassifiable.San Diego CountySan Francisco Bay Area Air Basin

Attainment/Unclassifiable.Alameda CountyContra Costa CountyMarin CountyNapa CountySan Francisco CountySan Mateo CountySanta Clara CountySolano County (part)That 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 CountiesSonoma County (part)That portion of Sonoma County which lies south and east of a line described as follows: 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 westerly 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 easterly and southerly line of Graton Road, northerly and easterly to its intersection with the easterly line of Sullivan Road; thence running northerly along said easterly line of Sullivan Road to the southerly line of Green Valley Road; thence running 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 intersection with the boundary line between Sonoma and Napa Counties, State of CaliforniaSan Joaquin Valley Air Basin

Attainment/Unclassifiable.Fresno CountyKern County (part)( print page 1112)That portion of Kern County which lies west and north 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 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 intersection 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 southwest 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 boundaryKings CountyMadera CountyMerced CountySan Joaquin CountyStanislaus CountyTulare CountySouth Central Air Basin

Attainment/Unclassifiable.San Luis Obispo CountySanta Barbara CountyVentura CountySouth Coast Air Basin

Attainment/Unclassifiable.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 running west along the township line common to T.3 N and T.2 N, San Bernardino Base and Meridian; then north along the range line common to R.8 W and R.9 W; then west along the township line common to T.4 N and T.3 N; then north along the range line common to R.12 W and R.13 W to the southeast corner of Section 12, T.5 N, R. 13 W; then west along the south boundaries of Sections 12, 11, 10, 9, 8, 7, T.5 N, R. 13 W to the boundary of the Angeles National Forest which is collinear with the range line common to R. 13 W and R. 14 W; then north and west along the Angeles National Forest boundary to the point of intersection with the township line common to T.7 N and T. 6 N (point is at the northwest corner of Section 4 in T.6 N, R. 14 W); then west along the township line common to T.7 N and T.6 N; then north along the range line common to R. 15 W and R. 16 W to the southeast corner of Section 13, T.7 N, R. 16 W; then along the south boundaries of Sections 13, 14, 15, 16, 17, 18, T.7 N, R. 16 W; then north along the range line common to R.16 W and R. 17 W to the north boundary of the Angeles National Forest (collinear with township line common to T.8 N and T.7 N); 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 boundaryOrange CountyRiverside County (part)That portion of Riverside County which lies west of a line described as follows: Beginning at the Riverside-San Diego County boundary and running north along the range line common to R. 4 E and R. 3 E; then east along the township line common to T. 8 S and T. 7 S; then north along the range line common to R. 5 E and R. 4 E; then west along the township line common to T. 6 S and T. 7 S to the southwest corner of Section 34, T. 6 S, R. 4 E; then north along the west boundaries of Sections 34, 27, 22, 15, 10, 3, T. 6 S, R. 4 E; then west along the township line common to T. 5 S and T. 6 S; then north along the range line common to R. 4 E and R. 3 E; then west along the south boundaries of Sections 13, 14, 15, 16, 17 and 18, T. 5 S. R. 3 E; then north along the range line common to R. 2 E and R. 3 E to the Riverside-San Bernardino County lineSan Bernardino County (part)That portion of San Bernardino County west and south of a line described as follows: Beginning at the San Bernardino-Riverside County boundary and running north along the range line common to R. 3 E and R. 2 E; then west along the township line common to T. 3 N and T. 2 N to the San Bernardino-Los Angeles County boundary1
                                     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 April 9, 2018, unless otherwise noted.
 7.Section 81.306 is amended by revising the table entitled “Colorado—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.306
  
 Colorado—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 3
TypeColorado Springs, CO
9/12/16
Unclassifiable.El Paso County (part)Manitou SpringsColorado Springs (and certain unincorporated areas) as follows; Areas east of the western city limits of Colorado Springs, north of the southern city limits of Colorado Springs with the addition of the area termed “Stratmoor” bounded on the south by South Academy Boulevard, west of Powers Blvd, and south of East Woodman Blvd (east of Academy Blvd. N) and the northern city limits of Colorado Springs (west of Academy Blvd. N).Eastern Morgan County, CO
9/12/16
Unclassifiable.Morgan County (part)Circle with a 12-kilometer radius centered on the Pawnee Power PlantState AQCR 01 (remainder)

Attainment/Unclassifiable.Logan CountyMorgan County (part) (remainder)Phillips CountySedgwick CountyWashington CountyYuma CountyState AQCR 02

Attainment/Unclassifiable.Larimer CountyWeld CountyState AQCR 03

Attainment/Unclassifiable.Adams CountyArapahoe CountyBoulder CountyBroomfield CountyClear Creek CountyDenver CountyDouglas CountyGilpin CountyJefferson CountyState AQCR 04 (remainder)

Attainment/Unclassifiable.El Paso County (part) (remainder)Park CountyTeller CountyState AQCR 05

Attainment/Unclassifiable.Cheyenne CountyElbert CountyKit Carson CountyLincoln CountyState AQCR 06

Attainment/Unclassifiable.Baca CountyBent CountyCrowley CountyKiowa CountyOtero CountyProwers CountyState AQCR 07

Attainment/Unclassifiable.HuerfanoLas AnimasPuebloState AQCR 08

Attainment/Unclassifiable.Alamosa CountyConejos CountyCostilla CountyMineral CountyRio Grande CountySaguache CountyState AQCR 09

Attainment/Unclassifiable.Archuleta County 2DoloresLa Plata 2Montezuma 2San JuanState AQCR 10

Attainment/Unclassifiable.( print page 1114)Delta CountyGunnison CountyHinsdale CountyMontrose CountyOuray CountySan Miguel CountyState AQCR 11

Attainment/Unclassifiable.Garfield CountyMesa CountyMoffat CountyRio Blanco CountyState AQCR 12

Attainment/Unclassifiable.Eagle CountyGrand CountyJackson CountyPitkin CountyRoutt CountySummit CountyState AQCR 13

Attainment/Unclassifiable.Chaffee CountyCuster CountyFremont CountyLake CountySouthern Ute Indian Reservation

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
                                     Does not include the Southern Ute Indian Reservation, which is being designated separately.3
                                     This date is April 9, 2018, unless otherwise noted.
 8.Section 81.307 is amended by adding a table entitled “Connecticut—2010 Sulfur Dioxide NAAQS (Primary)” following the table “Connecticut—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.307
  
 Connecticut—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeState of Connecticut

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 April 9, 2018, unless otherwise noted.
 9.Section 81.308 is amended by adding a new table entitled “Delaware—2010 Sulfur Dioxide NAAQS (Primary)” following the table “Delaware—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.308
  
 Delaware—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeEntire State

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 April 9, 2018, unless otherwise noted.
 10.Section 81.309 is amended by adding a table titled “District of Columbia—2010 Sulfur Dioxide NAAQS (Primary)” following the table titled “District of Columbia—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.309
  
 District of Columbia—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeDistrict of Columbia

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 April 9, 2018, unless otherwise noted.
 11.Section 81.310 is amended by revising the table entitled “Florida—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.310
  
 Florida—2010 Sulfur Dioxide NAAQS (Primary)
Designated area
DesignationDate 1
TypeHillsborough County, FL 2
10/4/13
Nonattainment.Hillsborough County (part)That portion of Hillsborough County encompassed by the polygon with the vertices using Universal Traverse Mercator (UTM) coordinates in UTM zone 17 with datum NAD83 as follows: (1) Vertices-UTM Easting (m) 358581, UTM Northing 3076066; (2) vertices-UTM Easting (m) 355673, UTM Northing 3079275; (3) UTM Easting (m) 360300, UTM Northing 3086380; (4) vertices-UTM Easting (m) 366850, UTM Northing 3086692; (5) vertices-UTM Easting (m) 368364, UTM Northing 3083760; and (6) vertices-UTM Easting (m) 365708, UTM Northing 3079121Hillsborough—Polk County, FL 3

Nonattainment.Hillsborough County (part)Polk County (part)That portion of Hillsborough and Polk Counties encompassed by the polygon with the vertices using Universal Traverse Mercator (UTM) coordinates in UTM zone 17 with datum NAD83 as follows: 390,500 E, 3,073,500 N; 390,500 E, 3,083,500 N; 400,500 E, 3,083,500 N; 400,500 E, 3,073,500 NNassau County, FL 2
10/4/13
Nonattainment.Nassau County (part)That portion of Nassau County encompassing the circular boundary with the center being UTM Easting 455530 meters, UTM Northing 3391737 meters, UTM zone 17, using the NAD83 datum (the location of the violating ambient monitor) and the radius being 2.4 kilometersCitrus County, FL 3

Unclassifiable.Citrus County (part)Census Block Groups 4504004 and 4505002Mulberry, FL Area 3

Unclassifiable.Hillsborough County (part)Polk County (part)That portion of Hillsborough and Polk Counties encompassed by the polygon with the vertices using Universal Traverse Mercator (UTM) coordinates in UTM zone 17 with datum NAD83 starting with the Northwest Corner and proceeding to the Northeast as follows: 390,500 E, 3,083,500 N; 410,700 E, 3,091,600 N; 412,900 E, 3,089,800 N; 412,900 E, 3,084,600 N; 400,500 E, 3,073,500 N; 400,500 E, 3,083,500 NRest of State: 3Alachua County

Attainment/Unclassifiable.Baker County

Attainment/Unclassifiable.Bay County

Attainment/Unclassifiable.Bradford County

Attainment/Unclassifiable.Brevard County

Attainment/Unclassifiable.Broward County

Attainment/Unclassifiable.Calhoun County

Attainment/Unclassifiable.Charlotte County

Attainment/Unclassifiable.Citrus County (part) (remainder)

Attainment/Unclassifiable.Clay County

Attainment/Unclassifiable.Collier County

Attainment/Unclassifiable.Columbia County

Attainment/Unclassifiable.( print page 1116)DeSoto County

Attainment/Unclassifiable.Dixie County

Attainment/Unclassifiable.Duval County

Attainment/Unclassifiable.Escambia County

Attainment/Unclassifiable.Flagler County

Attainment/Unclassifiable.Franklin County

Attainment/Unclassifiable.Gadsden County

Attainment/Unclassifiable.Gilchrist County

Attainment/Unclassifiable.Glades County

Attainment/Unclassifiable.Gulf County

Attainment/Unclassifiable.Hamilton County

Attainment/Unclassifiable.Hardee County

Attainment/Unclassifiable.Hendry County

Attainment/Unclassifiable.Hernando County

Attainment/Unclassifiable.Highlands County

Attainment/Unclassifiable.Hillsborough County (part) (remainder)

Attainment/Unclassifiable.Holmes County

Attainment/Unclassifiable.Indian River County

Attainment/Unclassifiable.Jackson County

Attainment/Unclassifiable.Jefferson County

Attainment/Unclassifiable.Lafayette County

Attainment/Unclassifiable.Lake County

Attainment/Unclassifiable.Lee County

Attainment/Unclassifiable.Leon County

Attainment/Unclassifiable.Levy County

Attainment/Unclassifiable.Liberty County

Attainment/Unclassifiable.Madison County

Attainment/Unclassifiable.Manatee County

Attainment/Unclassifiable.Marion County

Attainment/Unclassifiable.Martin County

Attainment/Unclassifiable.Miami-Dade County

Attainment/Unclassifiable.Monroe County

Attainment/Unclassifiable.Nassau County (part) (remainder)

Attainment/Unclassifiable.Okaloosa County

Attainment/Unclassifiable.Okeechobee County

Attainment/Unclassifiable.Orange County

Attainment/Unclassifiable.Osceola County

Attainment/Unclassifiable.Palm Beach County

Attainment/Unclassifiable.Pasco County

Attainment/Unclassifiable.Pinellas County

Attainment/Unclassifiable.Polk County (part) (remainder)

Attainment/Unclassifiable.Putnam County

Attainment/Unclassifiable.St. Johns County

Attainment/Unclassifiable.St. Lucie County

Attainment/Unclassifiable.Santa Rosa County

Attainment/Unclassifiable.Sarasota County

Attainment/Unclassifiable.Seminole County

Attainment/Unclassifiable.Sumter County

Attainment/Unclassifiable.Suwannee County

Attainment/Unclassifiable.Taylor County

Attainment/Unclassifiable.Union County

Attainment/Unclassifiable.Volusia County

Attainment/Unclassifiable.Wakulla County

Attainment/Unclassifiable.Walton County

Attainment/Unclassifiable.Washington County

Attainment/Unclassifiable.1
                                     This date is April 9, 2018, unless otherwise noted.2
                                     Excludes Indian country located in each area, if any, unless otherwise specified.3
                                     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.
 12.Section 81.311 is amended by revising the table entitled “Georgia—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.311
  
 
 
 Georgia—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
                                         3
DesignationDate 2
TypeJuliette, GA
9/12/16
Attainment/Unclassifiable.Butts CountyCrawford CountyJasper CountyJones CountyLamar CountyMonroe CountyUpson CountyRest of State: 3Appling County

Attainment/Unclassifiable.Atkinson County

Attainment/Unclassifiable.Bacon County

Attainment/Unclassifiable.Baker County

Attainment/Unclassifiable.Baldwin County

Attainment/Unclassifiable.Banks County

Attainment/Unclassifiable.Barrow County

Attainment/Unclassifiable.Bartow County

Attainment/Unclassifiable.Ben Hill County

Attainment/Unclassifiable.Berrien County

Attainment/Unclassifiable.Bibb County

Attainment/Unclassifiable.Bleckley County

Attainment/Unclassifiable.Brantley County

Attainment/Unclassifiable.Brooks County

Attainment/Unclassifiable.Bryan County

Attainment/Unclassifiable.Bulloch County

Attainment/Unclassifiable.Burke County

Attainment/Unclassifiable.Calhoun County

Attainment/Unclassifiable.Camden County

Attainment/Unclassifiable.Candler County

Attainment/Unclassifiable.Carroll County

Attainment/Unclassifiable.Catoosa County

Attainment/Unclassifiable.Charlton County

Attainment/Unclassifiable.Chatham County

Attainment/Unclassifiable.Chattahoochee County

Attainment/Unclassifiable.Chattooga County

Attainment/Unclassifiable.Cherokee County

Attainment/Unclassifiable.Clarke County

Attainment/Unclassifiable.Clay County

Attainment/Unclassifiable.Clayton County

Attainment/Unclassifiable.Clinch County

Attainment/Unclassifiable.Cobb County

Attainment/Unclassifiable.Coffee County

Attainment/Unclassifiable.Colquitt County

Attainment/Unclassifiable.Columbia County

Attainment/Unclassifiable.Cook County

Attainment/Unclassifiable.Coweta County

Attainment/Unclassifiable.Crisp County

Attainment/Unclassifiable.Dade County

Attainment/Unclassifiable.Dawson County

Attainment/Unclassifiable.Decatur County

Attainment/Unclassifiable.DeKalb County

Attainment/Unclassifiable.Dodge County

Attainment/Unclassifiable.Dooly County

Attainment/Unclassifiable.Dougherty County

Attainment/Unclassifiable.Douglas County

Attainment/Unclassifiable.Early County

Attainment/Unclassifiable.Echols County

Attainment/Unclassifiable.Effingham County

Attainment/Unclassifiable.Elbert County

Attainment/Unclassifiable.Emanuel County

Attainment/Unclassifiable.Evans County

Attainment/Unclassifiable.Fannin County

Attainment/Unclassifiable.Fayette County

Attainment/Unclassifiable.Forsyth County

Attainment/Unclassifiable.Franklin County

Attainment/Unclassifiable.Fulton County

Attainment/Unclassifiable.Gilmer County

Attainment/Unclassifiable.Glascock County

Attainment/Unclassifiable.Glynn County

Attainment/Unclassifiable.Gordon County

Attainment/Unclassifiable.( print page 1118)Grady County

Attainment/Unclassifiable.Greene County

Attainment/Unclassifiable.Gwinnett County

Attainment/Unclassifiable.Habersham County

Attainment/Unclassifiable.Hall County

Attainment/Unclassifiable.Hancock County

Attainment/Unclassifiable.Harris County

Attainment/Unclassifiable.Hart County

Attainment/Unclassifiable.Heard County

Attainment/Unclassifiable.Henry County

Attainment/Unclassifiable.Houston County

Attainment/Unclassifiable.Irwin County

Attainment/Unclassifiable.Jackson County

Attainment/Unclassifiable.Jeff Davis County

Attainment/Unclassifiable.Jefferson County

Attainment/Unclassifiable.Jenkins County

Attainment/Unclassifiable.Johnson County

Attainment/Unclassifiable.Lanier County

Attainment/Unclassifiable.Laurens County

Attainment/Unclassifiable.Lee County

Attainment/Unclassifiable.Liberty County

Attainment/Unclassifiable.Lincoln County

Attainment/Unclassifiable.Long County

Attainment/Unclassifiable.Lowndes County

Attainment/Unclassifiable.Lumpkin County

Attainment/Unclassifiable.Macon County

Attainment/Unclassifiable.Madison County

Attainment/Unclassifiable.Marion County

Attainment/Unclassifiable.McDuffie County

Attainment/Unclassifiable.McIntosh County

Attainment/Unclassifiable.Miller County

Attainment/Unclassifiable.Mitchell County

Attainment/Unclassifiable.Montgomery County

Attainment/Unclassifiable.Morgan County

Attainment/Unclassifiable.Murray County

Attainment/Unclassifiable.Muscogee County

Attainment/Unclassifiable.Newton County

Attainment/Unclassifiable.Oconee County

Attainment/Unclassifiable.Oglethorpe County

Attainment/Unclassifiable.Paulding County

Attainment/Unclassifiable.Peach County

Attainment/Unclassifiable.Pickens County

Attainment/Unclassifiable.Pierce County

Attainment/Unclassifiable.Pike County

Attainment/Unclassifiable.Polk County

Attainment/Unclassifiable.Pulaski County

Attainment/Unclassifiable.Putnam County

Attainment/Unclassifiable.Quitman County

Attainment/Unclassifiable.Rabun County

Attainment/Unclassifiable.Randolph County

Attainment/Unclassifiable.Richmond County

Attainment/Unclassifiable.Rockdale County

Attainment/Unclassifiable.Schley County

Attainment/Unclassifiable.Screven County

Attainment/Unclassifiable.Seminole County

Attainment/Unclassifiable.Spalding County

Attainment/Unclassifiable.Stephens County

Attainment/Unclassifiable.Stewart County

Attainment/Unclassifiable.Sumter County

Attainment/Unclassifiable.Talbot County

Attainment/Unclassifiable.Taliaferro County

Attainment/Unclassifiable.Tattnall County

Attainment/Unclassifiable.Taylor County

Attainment/Unclassifiable.Telfair County

Attainment/Unclassifiable.Terrell County

Attainment/Unclassifiable.Thomas County

Attainment/Unclassifiable.Tift County

Attainment/Unclassifiable.Toombs County

Attainment/Unclassifiable.Towns County

Attainment/Unclassifiable.Treutlen County

Attainment/Unclassifiable.( print page 1119)Troup County

Attainment/Unclassifiable.Turner County

Attainment/Unclassifiable.Twiggs County

Attainment/Unclassifiable.Union County

Attainment/Unclassifiable.Walker County

Attainment/Unclassifiable.Walton County

Attainment/Unclassifiable.Ware County

Attainment/Unclassifiable.Warren County

Attainment/Unclassifiable.Washington County

Attainment/Unclassifiable.Wayne County

Attainment/Unclassifiable.Webster County

Attainment/Unclassifiable.Wheeler County

Attainment/Unclassifiable.White County

Attainment/Unclassifiable.Whitfield County

Attainment/Unclassifiable.Wilcox County

Attainment/Unclassifiable.Wilkes County

Attainment/Unclassifiable.Wilkinson County

Attainment/Unclassifiable.Worth 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 April 9, 2018, unless otherwise noted.3
                                     Floyd County will be designated by December 31, 2020.
 13.Section 81.312 is amended by revising the table entitled “Hawaii—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.312
  
 Hawaii—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
                                         3
DesignationDate 2
TypeHawaii County
9/12/16
Attainment/Unclassifiable.Kalawao County

Attainment/Unclassifiable.Kauai County

Attainment/Unclassifiable.Maui 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 April 9, 2018, unless otherwise noted.3
                                     Honolulu County will be designated by December 31, 2020.
 14.Section 81.313 is amended by adding a table entitled “Idaho—2010 Sulfur Dioxide NAAQS (Primary)” following the table “Idaho—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.313
  
 Idaho—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeEntire State

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 April 9, 2018, unless otherwise noted.
 15.Section 81.314 is amended by revising the table entitled “Illinois—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.314
  
 
 
 Illinois—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
                                         3
DesignationDate 2
TypeAlton Township, IL
9/12/16
Nonattainment.Madison County (part)Within Alton Township: Area east of Corporal Belchik Memorial Expressway, south of East Broadway, south of Route 3, and north of Route 143Lemont, IL
10/4/13
Nonattainment.Cook County (part)Lemont TownshipWill County (part)DuPage Township and Lockport TownshipPekin, IL
10/4/13
Nonattainment.Tazewell County (part)Cincinnati Township and Pekin TownshipPeoria County (part)Hollis TownshipWilliamson County, IL
9/12/16
Nonattainment.Williamson CountyJasper County, IL
9/12/16
Attainment/Unclassifiable.Jasper CountyMassac County, IL
9/12/16
Attainment/Unclassifiable.Massac CountyPutnam/Bureau Counties, IL
9/12/16
Attainment/Unclassifiable.Bureau CountyPutnam CountyWood River Township, IL
9/12/16
Attainment/Unclassifiable.Madison County (part)All of Wood River Township, and the area in Chouteau Township north of Cahokia Diversion ChannelAdams County

Attainment/Unclassifiable.Alexander County

Attainment/Unclassifiable.Bond County

Attainment/Unclassifiable.Boone County

Attainment/Unclassifiable.Brown County

Attainment/Unclassifiable.Calhoun County

Attainment/Unclassifiable.Carroll County

Attainment/Unclassifiable.Cass County

Attainment/Unclassifiable.Champaign County

Attainment/Unclassifiable.Christian County

Attainment/Unclassifiable.Clark County

Attainment/Unclassifiable.Clay County

Attainment/Unclassifiable.Clinton County

Attainment/Unclassifiable.Coles County

Attainment/Unclassifiable.Cook County (part) (remainder)

Attainment/Unclassifiable.Crawford County

Attainment/Unclassifiable.Cumberland County

Attainment/Unclassifiable.De Kalb County

Attainment/Unclassifiable.De Witt County

Attainment/Unclassifiable.Douglas County

Attainment/Unclassifiable.Du Page County

Attainment/Unclassifiable.Edgar County

Attainment/Unclassifiable.Edwards County

Attainment/Unclassifiable.Effingham County

Attainment/Unclassifiable.Fayette County

Attainment/Unclassifiable.Ford County

Attainment/Unclassifiable.Franklin County

Attainment/Unclassifiable.Fulton County

Attainment/Unclassifiable.Gallatin County

Attainment/Unclassifiable.Greene County

Attainment/Unclassifiable.Grundy County

Attainment/Unclassifiable.Hamilton County

Attainment/Unclassifiable.Hancock County

Attainment/Unclassifiable.Hardin County

Attainment/Unclassifiable.Henderson County

Attainment/Unclassifiable.Henry County

Attainment/Unclassifiable.Iroquois County

Attainment/Unclassifiable.Jackson County

Attainment/Unclassifiable.Jefferson County

Attainment/Unclassifiable.Jersey County

Attainment/Unclassifiable.Jo Daviess County

Attainment/Unclassifiable.Johnson County

Attainment/Unclassifiable.Kane County

Attainment/Unclassifiable.( print page 1121)Kankakee County

Attainment/Unclassifiable.Kendall County

Attainment/Unclassifiable.Knox County

Attainment/Unclassifiable.Lake County

Attainment/Unclassifiable.La Salle County

Attainment/Unclassifiable.Lawrence County

Attainment/Unclassifiable.Lee County

Attainment/Unclassifiable.Livingston County

Attainment/Unclassifiable.Logan County

Attainment/Unclassifiable.McDonough County

Attainment/Unclassifiable.McHenry County

Attainment/Unclassifiable.McLean County

Attainment/Unclassifiable.Macoupin County

Attainment/Unclassifiable.Madison County (part) (remainder)

Attainment/Unclassifiable.Marion County

Attainment/Unclassifiable.Marshall County

Attainment/Unclassifiable.Mason County

Attainment/Unclassifiable.Menard County

Attainment/Unclassifiable.Mercer County

Attainment/Unclassifiable.Monroe County

Attainment/Unclassifiable.Montgomery County

Attainment/Unclassifiable.Morgan County

Attainment/Unclassifiable.Moultrie County

Attainment/Unclassifiable.Ogle County

Attainment/Unclassifiable.Peoria County (part) (remainder)

Attainment/Unclassifiable.Perry County

Attainment/Unclassifiable.Piatt County

Attainment/Unclassifiable.Pike County

Attainment/Unclassifiable.Pope County

Attainment/Unclassifiable.Pulaski County

Attainment/Unclassifiable.Randolph County

Attainment/Unclassifiable.Richland County

Attainment/Unclassifiable.Rock Island County

Attainment/Unclassifiable.St. Clair County

Attainment/Unclassifiable.Saline County

Attainment/Unclassifiable.Sangamon County

Attainment/Unclassifiable.Schuyler County

Attainment/Unclassifiable.Scott County

Attainment/Unclassifiable.Shelby County

Attainment/Unclassifiable.Stark County

Attainment/Unclassifiable.Stephenson County

Attainment/Unclassifiable.Tazewell County (part) (remainder)

Attainment/Unclassifiable.Union County

Attainment/Unclassifiable.Vermilion County

Attainment/Unclassifiable.Wabash County

Attainment/Unclassifiable.Warren County

Attainment/Unclassifiable.Washington County

Attainment/Unclassifiable.Wayne County

Attainment/Unclassifiable.White County

Attainment/Unclassifiable.Whiteside County

Attainment/Unclassifiable.Will County (part) (remainder)

Attainment/Unclassifiable.Winnebago County

Attainment/Unclassifiable.Woodford 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 April 9, 2018, unless otherwise noted.3
                                     Macon County will be designated by December 31, 2020.
 16.Section 81.315 is amended by revising the table entitled “Indiana—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.315
  
 
 
 Indiana—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
                                         3
DesignationDate 2
TypeHuntington, IN

Nonattainment.Huntington County (part)Huntington TownshipIndianapolis, IN
10/4/13
Nonattainment.Marion County (part)Wayne Township, Center Township, Perry TownshipMorgan County, IN
10/4/13
Nonattainment.Morgan County (part)Clay Township, Washington TownshipSouthwest Indiana, IN
10/4/13
Nonattainment.Daviess County (part)Veale TownshipPike County (part)Washington TownshipTerre Haute, IN
10/4/13
Nonattainment.Vigo County (part)Fayette Township, Harrison TownshipGibson County, IN
9/12/16
Attainment/Unclassifiable.Gibson CountyJefferson County, IN
9/12/16
Attainment/Unclassifiable.Jefferson County (part)Graham, Lancaster, Madison, Monroe, Republican, Shelby, and Smyrna TownshipsLaPorte County, IN
9/12/16
Attainment/UnclassifiableLaPorte CountyPosey County, IN
9/12/16
Attainment/Unclassifiable.Posey County (part)Bethel, Center, Harmony, Lynn, Marrs, Robb, Robinson, and Smith TownshipsSpencer County, IN
9/12/16
Attainment/Unclassifiable.Spencer County (part)Ohio Township north of UTM 4187.580 km northing, and Carter, Clay, Grass, Hammond, Harrison, and Jackson TownshipsAdams County

Attainment/Unclassifiable.Allen County

Attainment/Unclassifiable.Bartholomew County

Attainment/Unclassifiable.Benton County

Attainment/Unclassifiable.Blackford County

Attainment/Unclassifiable.Boone County

Attainment/Unclassifiable.Brown County

Attainment/Unclassifiable.Carroll County

Attainment/Unclassifiable.Cass County

Attainment/Unclassifiable.Clark County

Attainment/Unclassifiable.Clay County

Attainment/Unclassifiable.Clinton County

Attainment/Unclassifiable.Crawford County

Attainment/Unclassifiable.Daviess County (part) (remainder)

Attainment/Unclassifiable.Dearborn County

Attainment/Unclassifiable.Decatur County

Attainment/Unclassifiable.DeKalb County

Attainment/Unclassifiable.Delaware County

Attainment/Unclassifiable.Dubois County

Attainment/Unclassifiable.Elkhart County

Attainment/Unclassifiable.Fayette County

Attainment/Unclassifiable.Floyd County

Attainment/Unclassifiable.Fountain County

Attainment/Unclassifiable.Franklin County

Attainment/Unclassifiable.Fulton County

Attainment/Unclassifiable.Grant County

Attainment/Unclassifiable.Greene County

Attainment/Unclassifiable.Hamilton County

Attainment/Unclassifiable.Hancock County

Attainment/Unclassifiable.Harrison County

Attainment/Unclassifiable.Hendricks County

Attainment/Unclassifiable.Henry County

Attainment/Unclassifiable.Howard County

Attainment/Unclassifiable.Huntington County (part) (remainder)

Attainment/Unclassifiable.Jackson County

Attainment/Unclassifiable.Jasper County

Attainment/Unclassifiable.Jay County

Attainment/Unclassifiable.Jefferson County

Attainment/Unclassifiable.Jennings County

Attainment/Unclassifiable.( print page 1123)Johnson County

Attainment/Unclassifiable.Knox County

Attainment/Unclassifiable.Kosciusko County

Attainment/Unclassifiable.LaGrange County

Attainment/Unclassifiable.Lake County

Attainment/Unclassifiable.Lawrence County

Attainment/Unclassifiable.Madison County

Attainment/Unclassifiable.Marion County (part) (remainder)

Attainment/Unclassifiable.Marshall County

Attainment/Unclassifiable.Martin County

Attainment/Unclassifiable.Miami County

Attainment/Unclassifiable.Monroe County

Attainment/Unclassifiable.Montgomery County

Attainment/Unclassifiable.Morgan County (part) (remainder)

Attainment/Unclassifiable.Newton County

Attainment/Unclassifiable.Noble County

Attainment/Unclassifiable.Ohio County

Attainment/Unclassifiable.Orange County

Attainment/Unclassifiable.Owen County

Attainment/Unclassifiable.Parke County

Attainment/Unclassifiable.Perry County

Attainment/Unclassifiable.Pike County (part) (remainder)

Attainment/Unclassifiable.Posey County

Attainment/Unclassifiable.Pulaski County

Attainment/Unclassifiable.Putnam County

Attainment/Unclassifiable.Randolph County

Attainment/Unclassifiable.Ripley County

Attainment/Unclassifiable.Rush County

Attainment/Unclassifiable.St. Joseph County

Attainment/Unclassifiable.Scott County

Attainment/Unclassifiable.Shelby County

Attainment/Unclassifiable.Spencer County

Attainment/Unclassifiable.Starke County

Attainment/Unclassifiable.Steuben County

Attainment/Unclassifiable.Sullivan County

Attainment/Unclassifiable.Switzerland County

Attainment/Unclassifiable.Tippecanoe County

Attainment/Unclassifiable.Tipton County

Attainment/Unclassifiable.Union County

Attainment/Unclassifiable.Vanderburgh County

Attainment/Unclassifiable.Vermillion County

Attainment/Unclassifiable.Vigo County (part) (remainder)

Attainment/Unclassifiable.Wabash County

Attainment/Unclassifiable.Warren County

Attainment/Unclassifiable.Warrick County

Attainment/Unclassifiable.Washington County

Attainment/Unclassifiable.Wayne County

Attainment/Unclassifiable.Wells County

Attainment/Unclassifiable.White County

Attainment/Unclassifiable.Whitley 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 April 9, 2018, unless otherwise noted.3
                                     Porter County will be designated by December 31, 2020.
 17.Section 81.316 is amended by revising the table entitled “Iowa—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.316
  
 Iowa—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeMuscatine, IA
10/4/13
Nonattainment.( print page 1124)Muscatine County (part)Sections 1-3, 10-15, 22-27, 34-36 of T77N, R3W (Lake Township)Sections 1-3, 10-15, 22-27, 34-36 of T76N, R3W (Seventy-six Township)T77N, R2W (Bloomington Township)T76N, R2W (Fruitland Township)All sections except 1, 12, 13, 24, 25, 36 of T77N, R1W (Sweetland Township)Linn County, IA

Unclassifiable.Linn CountyWoodbury County, IA
9/12/16
Unclassifiable.Woodbury CountyDes Moines County, IA
9/12/16
Attainment/Unclassifiable.Des Moines CountyLouisa County, IA

Attainment/Unclassifiable.Louisa CountyPottawattamie County, IA

Attainment/Unclassifiable.Pottawattamie CountyWapello County, IA
9/12/16
Attainment/Unclassifiable.Wapello CountyStatewide:

Attainment/Unclassifiable.Adair CountyAdams CountyAllamakee CountyAppanoose CountyAudubon CountyBenton CountyBlack Hawk CountyBoone CountyBremer CountyBuchanan CountyBuena Vista CountyButler CountyCalhoun CountyCarroll CountyCass CountyCedar CountyCerro Gordo CountyCherokee CountyChickasaw CountyClarke CountyClay CountyClayton CountyClinton CountyCrawford CountyDallas CountyDavis CountyDecatur CountyDelaware CountyDickinson CountyDubuque CountyEmmet CountyFayette CountyFloyd CountyFranklin CountyFremont CountyGreene CountyGrundy CountyGuthrie CountyHamilton CountyHancock CountyHardin CountyHarrison CountyHenry CountyHoward CountyHumboldt CountyIda CountyIowa CountyJackson CountyJasper CountyJefferson CountyJohnson County( print page 1125)Jones CountyKeokuk CountyKossuth CountyLee CountyLucas CountyLyon CountyMadison CountyMahaska CountyMarion CountyMarshall CountyMills CountyMitchell CountyMonona CountyMonroe CountyMontgomery CountyMuscatine County (portion of Muscatine County not designated Nonattainment on 10/4/13)O'Brien CountyOsceola CountyPage CountyPalo Alto CountyPlymouth CountyPocahontas CountyPolk CountyPoweshiek CountyRinggold CountySac CountyScott CountyShelby CountySioux CountyStory CountyTama CountyTaylor CountyUnion CountyVan Buren CountyWarren CountyWashington CountyWayne CountyWebster CountyWinnebago CountyWinneshiek CountyWorth CountyWright County1
                                     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 April 9, 2018, unless otherwise noted.
 18.Section 81.317 is amended by revising the table entitled “Kansas—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.317
  
 Kansas—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeShawnee County, KS
9/12/16
Unclassifiable.Shawnee CountyWyandotte County, KS
9/12/16
Unclassifiable.Wyandotte CountyLinn County, KS
9/12/16
Attainment/Unclassifiable.Linn CountyStatewide:

Attainment/Unclassifiable.Allen CountyAnderson CountyAtchison County( print page 1126)Barber CountyBarton CountyBourbon CountyBrown CountyButler CountyChase CountyChautauqua CountyCherokee CountyCheyenne CountyClark CountyClay CountyCloud CountyCoffey CountyComanche CountyCowley CountyCrawford CountyDecatur CountyDickinson CountyDoniphan CountyDouglas CountyEdwards CountyElk CountyEllis CountyEllsworth CountyFinney CountyFord CountyFranklin CountyGeary CountyGove CountyGraham CountyGrant CountyGray CountyGreeley CountyGreenwood CountyHamilton CountyHarper CountyHarvey CountyHaskell CountyHodgeman CountyJackson CountyJefferson CountyJewell CountyJohnson CountyKearny CountyKingman CountyKiowa CountyLabette CountyLane CountyLeavenworth CountyLincoln CountyLogan CountyLyon CountyMarion CountyMarshall CountyMcPherson CountyMeade CountyMiami CountyMitchell CountyMontgomery CountyMorris CountyMorton CountyNemaha CountyNeosho CountyNess CountyNorton CountyOsage CountyOsborne CountyOttawa CountyPawnee CountyPhillips County( print page 1127)Pottawatomie CountyPratt CountyRawlins CountyReno CountyRepublic CountyRice CountyRiley CountyRooks CountyRush CountyRussell CountySaline CountyScott CountySedgwick CountySeward CountySheridan CountySherman CountySmith CountyStafford CountyStanton CountyStevens CountySumner CountyThomas CountyTrego CountyWabaunsee CountyWallace CountyWashington CountyWichita CountyWilson CountyWoodson County1
                                     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 April 9, 2018, unless otherwise noted.
 19.Section 81.318 is amended by revising the table entitled “Kentucky—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.318
  
 Kentucky—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 4
DesignationDate 1
TypeCampbell-Clermont Counties, KY-OH: 2
3/10/2017
Attainment.Campbell County (part)That portion of Campbell County which lies south and west of the Ohio River described as follows: Beginning at geographic coordinates 38.9735 North Latitude, 84.3017 West Longitude (NAD 1983) on the edge of the Ohio River running southwesterly to KY Highway 1566; thence continuing running southwesterly along KY Highway 1566 to KY Highway 9 (AA Highway); thence running northwesterly along KY Highway 9 (AA Highway) from Hwy 1566 to Interstate 275; thence running northeasterly along Interstate 275 to Highway 2345 (John's Hill Road), Hwy 2345 to US-27, US-27 to I-275, I-275 to the Ohio River; thence running southeasterly along the Ohio River from Interstate 275 to geographic coordinates 38.9735 North Latitude, 84.3017 West Longitude (NAD 1983).Jefferson County, KY 2
10/4/13
Nonattainment.( print page 1128)Jefferson County (part)That portion of Jefferson County compassed by the polygon with the vertices using Universal Traverse Mercator (UTM) coordinates in UTM zone 16 with datum NAD83 as follows:(1) Ethan Allen Way extended to the Ohio River at UTM Easting (m) 595738, UTM Northing 4214086 and Dixie Highway (US60 and US31W) at UTM Easting (m) 59751, UTM Northing 4212946;(2) Along Dixie Highway from UTM Easting (m) 597515, UTM Northing 4212946 to UTM Easting (m) 595859, UTM Northing 4210678;(3) Near the adjacent property lines of Louisville Gas and Electric-Mill Creek Electric Generating Station and Kosmos Cement where they join Dixie Highway at UTM Easting (m) 595859, UTM Northing 4210678 and the Ohio River at UTM Easting (m) 595326, UTM Northing 4211014;(4) Along the Ohio River from UTM Easting (m) 595326, UTM Northing 4211014 to UTM Easting (m) 595738, UTM Northing 4214086Ohio County, KY 2
9/12/16
Unclassifiable.Ohio CountyPulaski County, KY 2
9/12/16
Unclassifiable.Pulaski CountyRest of State: 3Adair County

Attainment/Unclassifiable.Allen County

Attainment/Unclassifiable.Anderson County

Attainment/Unclassifiable.Ballard County

Attainment/Unclassifiable.Barren County

Attainment/Unclassifiable.Bath County

Attainment/Unclassifiable.Bell County

Attainment/Unclassifiable.Boone County

Attainment/Unclassifiable.Bourbon County

Attainment/Unclassifiable.Boyd County

Attainment/Unclassifiable.Boyle County

Attainment/Unclassifiable.Bracken County

Attainment/Unclassifiable.Breathitt County

Attainment/Unclassifiable.Breckinridge County

Attainment/Unclassifiable.Bullitt County

Attainment/Unclassifiable.Butler County

Attainment/Unclassifiable.Caldwell County

Attainment/Unclassifiable.Calloway County

Attainment/Unclassifiable.Campbell County (part) (remainder)

Attainment/Unclassifiable.Carlisle County

Attainment/Unclassifiable.Carroll County

Attainment/Unclassifiable.Carter County

Attainment/Unclassifiable.Casey County

Attainment/Unclassifiable.Christian County

Attainment/Unclassifiable.Clark County

Attainment/Unclassifiable.Clay County

Attainment/Unclassifiable.Clinton County

Attainment/Unclassifiable.Crittenden County

Attainment/Unclassifiable.Cumberland County

Attainment/Unclassifiable.Daviess County

Attainment/Unclassifiable.Edmonson County

Attainment/Unclassifiable.Elliott County

Attainment/Unclassifiable.Estill County

Attainment/Unclassifiable.Fayette County

Attainment/Unclassifiable.Fleming County

Attainment/Unclassifiable.Floyd County

Attainment/Unclassifiable.Franklin County

Attainment/Unclassifiable.Fulton County

Attainment/Unclassifiable.Gallatin County

Attainment/Unclassifiable.Garrard County

Attainment/Unclassifiable.Grant County

Attainment/Unclassifiable.Graves County

Attainment/Unclassifiable.Grayson County

Attainment/Unclassifiable.Green County

Attainment/Unclassifiable.Greenup County

Attainment/Unclassifiable.Hancock County

Attainment/Unclassifiable.Hardin County

Attainment/Unclassifiable.Harlan County

Attainment/Unclassifiable.Harrison County

Attainment/Unclassifiable.Hart County

Attainment/Unclassifiable.( print page 1129)Henderson County (part) 4

Attainment/Unclassifiable.Census Block Groups 211010207013, 211010207014, 211010207024, and 211010208004Henry County

Attainment/Unclassifiable.Hickman County

Attainment/Unclassifiable.Hopkins County

Attainment/Unclassifiable.Jackson County

Attainment/Unclassifiable.Jefferson County (part) (remainder)

Attainment/Unclassifiable.Jessamine County

Attainment/Unclassifiable.Johnson County

Attainment/Unclassifiable.Kenton County

Attainment/Unclassifiable.Knott County

Attainment/Unclassifiable.Knox County

Attainment/Unclassifiable.LaRue County

Attainment/Unclassifiable.Laurel County

Attainment/Unclassifiable.Lawrence County

Attainment/Unclassifiable.Lee County

Attainment/Unclassifiable.Leslie County

Attainment/Unclassifiable.Letcher County

Attainment/Unclassifiable.Lewis County

Attainment/Unclassifiable.Lincoln County

Attainment/Unclassifiable.Livingston County

Attainment/Unclassifiable.Logan County

Attainment/Unclassifiable.Lyon County

Attainment/Unclassifiable.Madison County

Attainment/Unclassifiable.Magoffin County

Attainment/Unclassifiable.Marion County

Attainment/Unclassifiable.Marshall County

Attainment/Unclassifiable.Martin County

Attainment/Unclassifiable.Mason County

Attainment/Unclassifiable.McCracken County

Attainment/Unclassifiable.McCreary County

Attainment/Unclassifiable.McLean County

Attainment/Unclassifiable.Meade County

Attainment/Unclassifiable.Menifee County

Attainment/Unclassifiable.Mercer County

Attainment/Unclassifiable.Metcalfe County

Attainment/Unclassifiable.Monroe County

Attainment/Unclassifiable.Montgomery County

Attainment/Unclassifiable.Morgan County

Attainment/Unclassifiable.Muhlenberg County

Attainment/Unclassifiable.Nelson County

Attainment/Unclassifiable.Nicholas County

Attainment/Unclassifiable.Oldham County

Attainment/Unclassifiable.Owen County

Attainment/Unclassifiable.Owsley County

Attainment/Unclassifiable.Pendleton County

Attainment/Unclassifiable.Perry County

Attainment/Unclassifiable.Pike County

Attainment/Unclassifiable.Powell County

Attainment/Unclassifiable.Robertson County

Attainment/Unclassifiable.Rockcastle County

Attainment/Unclassifiable.Rowan County

Attainment/Unclassifiable.Russell County

Attainment/Unclassifiable.Scott County

Attainment/Unclassifiable.Shelby County

Attainment/Unclassifiable.Simpson County

Attainment/Unclassifiable.Spencer County

Attainment/Unclassifiable.Taylor County

Attainment/Unclassifiable.Todd County

Attainment/Unclassifiable.Trigg County

Attainment/Unclassifiable.Trimble County

Attainment/Unclassifiable.Union County

Attainment/Unclassifiable.Warren County

Attainment/Unclassifiable.Washington County

Attainment/Unclassifiable.Wayne County

Attainment/Unclassifiable.Whitley County

Attainment/Unclassifiable.Wolfe County

Attainment/Unclassifiable.Woodford County

Attainment/Unclassifiable.1
                                     This date is April 9, 2018, unless otherwise noted.
                                    ( print page 1130)2
                                     Excludes Indian country located in each area, if any, unless otherwise specified.3
                                     Includes any Indian country in each county or area, if any, 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.4
                                     Webster County and the remainder of Henderson County will be designated by December 31, 2020.
 20.Section 81.319 is amended by revising the table entitled “Louisiana—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.319
  
 Louisiana—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
                                         3
DesignationDate 2
TypeEvangeline Parish (Partial)

Nonattainment.Portion of Evangeline Parish bounded by:570250m E, 3400300m N570250m E, 3403300m N572400m E, 3403300m N572400m E, 3400300m NNAD83 15RSt. Bernard Parish, LA
10/4/13
Nonattainment.Calcasieu Parish, LA
9/12/16
Unclassifiable.St. Mary Parish

Unclassifiable.Acadia Parish

Attainment/Unclassifiable.Allen Parish

Attainment/Unclassifiable.Assumption Parish

Attainment/Unclassifiable.Avoyelles Parish

Attainment/Unclassifiable.Beauregard Parish

Attainment/Unclassifiable.Bienville Parish

Attainment/Unclassifiable.Bossier Parish

Attainment/Unclassifiable.Caddo Parish

Attainment/Unclassifiable.Caldwell Parish

Attainment/Unclassifiable.Cameron Parish

Attainment/Unclassifiable.Catahoula Parish

Attainment/Unclassifiable.Claiborne Parish

Attainment/Unclassifiable.Concordia Parish

Attainment/Unclassifiable.De Soto Parish
9/12/16
Attainment/Unclassifiable.East Carroll Parish

Attainment/Unclassifiable.East Feliciana Parish

Attainment/Unclassifiable.Evangeline Parish (part) (remainder)

Attainment/Unclassifiable.Franklin Parish

Attainment/Unclassifiable.Grant Parish

Attainment/Unclassifiable.Iberia Parish

Attainment/Unclassifiable.Iberville Parish

Attainment/Unclassifiable.Jackson Parish

Attainment/Unclassifiable.Jefferson Parish

Attainment/Unclassifiable.Jefferson Davis Parish

Attainment/Unclassifiable.Lafayette Parish

Attainment/Unclassifiable.Lafourche Parish

Attainment/Unclassifiable.LaSalle Parish

Attainment/Unclassifiable.Lincoln Parish

Attainment/Unclassifiable.Livingston Parish

Attainment/Unclassifiable.Madison Parish

Attainment/Unclassifiable.Morehouse Parish

Attainment/Unclassifiable.Natchitoches Parish

Attainment/Unclassifiable.Orleans Parish

Attainment/Unclassifiable.Ouachita Parish

Attainment/Unclassifiable.Plaquemines Parish

Attainment/Unclassifiable.Point Coupee

Attainment/Unclassifiable.Rapides Parish

Attainment/Unclassifiable.Red River Parish

Attainment/Unclassifiable.Richland Parish

Attainment/Unclassifiable.Sabine Parish

Attainment/Unclassifiable.St. Helena Parish

Attainment/Unclassifiable.St. John the Baptist Parish

Attainment/Unclassifiable.St. Landry Parish

Attainment/Unclassifiable.St. Martin Parish

Attainment/Unclassifiable.St. Mary Parish

Attainment/Unclassifiable.St. Tammany Parish

Attainment/Unclassifiable.Tangipahoa Parish

Attainment/Unclassifiable.Tensas Parish

Attainment/Unclassifiable.Terrebonne Parish

Attainment/Unclassifiable.Union Parish

Attainment/Unclassifiable.( print page 1131)Vermilion Parish

Attainment/Unclassifiable.Vernon Parish

Attainment/Unclassifiable.Washington Parish

Attainment/Unclassifiable.Webster Parish

Attainment/Unclassifiable.West Carroll Parish

Attainment/Unclassifiable.Winn Parish

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 April 9, 2018, unless otherwise noted.3
                                     East Baton Rouge, St. Charles, St. James, and West Baton Rouge Parishes will be designated by December 31, 2020.
 21.Section 81.320 is amended by adding a table entitled “Maine—2010 Sulfur Dioxide NAAQS (Primary)” following the table “Maine—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.320
  
 Maine—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeStatewide:

Attainment/Unclassifiable.Androscoggin CountyAroostook CountyCumberland CountyFranklin CountyHancock CountyKennebec CountyKnox CountyLincoln CountyOxford CountyPenobscot CountyPiscataquis CountySagadahoc CountySomerset CountyWaldo CountyWashington CountyYork County1
                                     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 April 9, 2018, unless otherwise noted.
 22.Section 81.321 is amended by revising the table entitled “Maryland—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.321
  
 Maryland—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
                                         3
DesignationDate 2
TypeAnne Arundel County and Baltimore County, MD1
9/12/16
Nonattainment.Anne Arundel County (part)Portions of Anne Arundel County that are within 26.8 kilometers of Herbert A. Wagner's Unit 3 stack, which is located at 39.17765 N. latitude, 76.52752 W. longitudeBaltimore County (part)Portions of Baltimore County that are within 26.8 kilometers of Herbert A. Wagner's Unit 3 stack, which is located at 39.17765 N. latitude, 76.52752 W. longitudeAnne Arundel County (part)

Attainment/Unclassifiable.Remainder of CountyBaltimore City, MD
9/12/16
Attainment/Unclassifiable.Baltimore County (part)

Attainment/Unclassifiable.( print page 1132)Remainder of CountyCalvert County

Attainment/Unclassifiable.Caroline County

Attainment/Unclassifiable.Carroll County

Attainment/Unclassifiable.Cecil County

Attainment/Unclassifiable.Charles County

Attainment/Unclassifiable.Dorchester County

Attainment/Unclassifiable.Frederick County

Attainment/Unclassifiable.Garrett County

Attainment/Unclassifiable.Harford County

Attainment/Unclassifiable.Howard County

Attainment/Unclassifiable.Kent County

Attainment/Unclassifiable.Montgomery County

Attainment/Unclassifiable.Prince George's County

Attainment/Unclassifiable.Queen Anne's County

Attainment/Unclassifiable.Somerset County

Attainment/Unclassifiable.St. Mary's County

Attainment/Unclassifiable.Talbot County

Attainment/Unclassifiable.Washington County

Attainment/Unclassifiable.Wicomico County

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 April 9, 2018, unless otherwise noted.3
                                     Allegany County will be designated by December 31, 2020.
 23.Section 81.322 is amended by adding a table entitled “Massachusetts—2010 Sulfur Dioxide NAAQS (Primary)” following the table “Massachusetts—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.322
  
 Massachusetts—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeStatewide:Barnstable County

Attainment/Unclassifiable.Berkshire County

Attainment/Unclassifiable.Bristol County

Attainment/Unclassifiable.Dukes County

Attainment/Unclassifiable.Essex County

Attainment/Unclassifiable.Franklin County

Attainment/Unclassifiable.Hampden County

Attainment/Unclassifiable.Hampshire County

Attainment/Unclassifiable.Middlesex County

Attainment/Unclassifiable.Nantucket County

Attainment/Unclassifiable.Norfolk County

Attainment/Unclassifiable.Plymouth County

Attainment/Unclassifiable.Suffolk County

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 April 9, 2018, unless otherwise noted.
 24.Section 81.323 is amended by revising the table entitled “Michigan—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.323
  
 
 
 Michigan—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeDetroit, MI
10/4/13
Nonattainment.Wayne County (part)The area bounded on the east by the Michigan-Ontario border, on the south by the Wayne County-Monroe County border, on the west by Interstate 75 north to Southfield Road, Southfield Road to Interstate 94, and Interstate 94 north to Michigan Avenue, and on the north by Michigan Avenue to Woodward Avenue and a line on Woodward Avenue extended to the Michigan-Ontario border.St. Clair, MI
9/12/16
Nonattainment.St. Clair County (part)Area defined by the St. Clair River for the eastern boundary, an extension from the St. Clair River straight west to the intersection of State Highway M-29 and St. Clair River Drive, continuing west on State Highway M-29 to Church Road to Arnold Road to County Line Road for the southern boundary, County Line Road and the Macomb/St. Clair County boundary to Stoddard Road to Wales Ridge Road for the western boundary, and Alpine Road to Fitz Road to Smith Creek Road to Range Road to Huron Avenue, extending straight east from the intersection of Huron Road and River Road to the St. Clair River for the northern boundary.Bay County, MI
9/12/16
Attainment/Unclassifiable.Bay CountyLansing, MI
9/12/16
Attainment/Unclassifiable.Eaton CountyIngham CountyMarquette County, MI
9/12/16
Attainment/Unclassifiable.Marquette CountyMonroe County, MI
9/12/16
Attainment/Unclassifiable.Monroe CountyOttawa County, MI
9/12/16
Attainment/Unclassifiable.Ottawa CountyAlcona County

Attainment/Unclassifiable.Alger County

Attainment/Unclassifiable.Allegan County

Attainment/Unclassifiable.Alpena County

Attainment/Unclassifiable.Antrim County

Attainment/Unclassifiable.Arenac County

Attainment/Unclassifiable.Baraga County

Attainment/Unclassifiable.Barry County

Attainment/Unclassifiable.Benzie County

Attainment/Unclassifiable.Berrien County

Attainment/Unclassifiable.Branch County

Attainment/Unclassifiable.Calhoun County

Attainment/Unclassifiable.Cass County

Attainment/Unclassifiable.Charlevoix County

Attainment/Unclassifiable.Cheboygan County

Attainment/Unclassifiable.Chippewa County

Attainment/Unclassifiable.Clare County

Attainment/Unclassifiable.Clinton County

Attainment/Unclassifiable.Crawford County

Attainment/Unclassifiable.Delta County

Attainment/Unclassifiable.Dickinson County

Attainment/Unclassifiable.Emmet County

Attainment/Unclassifiable.Genesee County

Attainment/Unclassifiable.Gladwin County

Attainment/Unclassifiable.Gogebic County

Attainment/Unclassifiable.Grand Traverse County

Attainment/Unclassifiable.Gratiot County

Attainment/Unclassifiable.Hillsdale County

Attainment/Unclassifiable.Houghton County

Attainment/Unclassifiable.Huron County

Attainment/Unclassifiable.Ionia County

Attainment/Unclassifiable.Iosco County

Attainment/Unclassifiable.Iron County

Attainment/Unclassifiable.Isabella County

Attainment/Unclassifiable.Jackson County

Attainment/Unclassifiable.Kalamazoo County

Attainment/Unclassifiable.Kalkaska County

Attainment/Unclassifiable.Kent County

Attainment/Unclassifiable.Keweenaw County

Attainment/Unclassifiable.Lake County

Attainment/Unclassifiable.Lapeer County

Attainment/Unclassifiable.Leelanau County

Attainment/Unclassifiable.( print page 1134)Lenawee County

Attainment/Unclassifiable.Livingston County

Attainment/Unclassifiable.Luce County

Attainment/Unclassifiable.Mackinac County

Attainment/Unclassifiable.Macomb County

Attainment/Unclassifiable.Manistee County

Attainment/Unclassifiable.Mason County

Attainment/Unclassifiable.Mecosta County

Attainment/Unclassifiable.Menominee County

Attainment/Unclassifiable.Midland County

Attainment/Unclassifiable.Missaukee County

Attainment/Unclassifiable.Montcalm County

Attainment/Unclassifiable.Montmorency County

Attainment/Unclassifiable.Muskegon County

Attainment/Unclassifiable.Newaygo County

Attainment/Unclassifiable.Oakland County

Attainment/Unclassifiable.Oceana County

Attainment/Unclassifiable.Ogemaw County

Attainment/Unclassifiable.Ontonagon County

Attainment/Unclassifiable.Osceola County

Attainment/Unclassifiable.Oscoda County

Attainment/Unclassifiable.Otsego County

Attainment/Unclassifiable.Presque Isle County

Attainment/Unclassifiable.Roscommon County

Attainment/Unclassifiable.Saginaw County

Attainment/Unclassifiable.St. Clair County (remainder)

Attainment/Unclassifiable.St. Joseph County

Attainment/Unclassifiable.Sanilac County

Attainment/Unclassifiable.Schoolcraft County

Attainment/Unclassifiable.Shiawassee County

Attainment/Unclassifiable.Tuscola County

Attainment/Unclassifiable.Van Buren County

Attainment/Unclassifiable.Washtenaw County

Attainment/Unclassifiable.Wayne County (remainder)

Attainment/Unclassifiable.Wexford 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 April 9, 2018, unless otherwise noted.
 25.Section 81.324 is amended by adding a table entitled “Minnesota—2010 Sulfur Dioxide NAAQS (Primary)” following the table “Minnesota—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.324
  
 Minnesota—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeGoodhue County

Unclassifiable.Aitkin County

Attainment/Unclassifiable.Anoka County

Attainment/Unclassifiable.Becker County

Attainment/Unclassifiable.Beltrami County

Attainment/Unclassifiable.Benton County

Attainment/Unclassifiable.Big Stone County

Attainment/Unclassifiable.Blue Earth County

Attainment/Unclassifiable.Brown County

Attainment/Unclassifiable.Carlton County

Attainment/Unclassifiable.Carver County

Attainment/Unclassifiable.Cass County

Attainment/Unclassifiable.Chippewa County

Attainment/Unclassifiable.Chisago County

Attainment/Unclassifiable.Clay County

Attainment/Unclassifiable.Clearwater County

Attainment/Unclassifiable.Cook County

Attainment/Unclassifiable.( print page 1135)Cottonwood County

Attainment/Unclassifiable.Crow Wing County

Attainment/Unclassifiable.Dakota County

Attainment/Unclassifiable.Dodge County

Attainment/Unclassifiable.Douglas County

Attainment/Unclassifiable.Faribault County

Attainment/Unclassifiable.Fillmore County

Attainment/Unclassifiable.Freeborn County

Attainment/Unclassifiable.Grant County

Attainment/Unclassifiable.Hennepin County

Attainment/Unclassifiable.Houston County

Attainment/Unclassifiable.Hubbard County

Attainment/Unclassifiable.Isanti County

Attainment/Unclassifiable.Itasca County

Attainment/Unclassifiable.Jackson County

Attainment/Unclassifiable.Kanabec County

Attainment/Unclassifiable.Kandiyohi County

Attainment/Unclassifiable.Kittson County

Attainment/Unclassifiable.Koochiching County

Attainment/Unclassifiable.Lac qui Parle County

Attainment/Unclassifiable.Lake County

Attainment/Unclassifiable.Lake of the Woods County

Attainment/Unclassifiable.Le Sueur County

Attainment/Unclassifiable.Lincoln County

Attainment/Unclassifiable.Lyon County

Attainment/Unclassifiable.McLeod County

Attainment/Unclassifiable.Mahnomen County

Attainment/Unclassifiable.Marshall County

Attainment/Unclassifiable.Martin County

Attainment/Unclassifiable.Meeker County

Attainment/Unclassifiable.Mille Lacs County

Attainment/Unclassifiable.Morrison County

Attainment/Unclassifiable.Mower County

Attainment/Unclassifiable.Murray County

Attainment/Unclassifiable.Nicollet County

Attainment/Unclassifiable.Nobles County

Attainment/Unclassifiable.Norman County

Attainment/Unclassifiable.Olmsted County

Attainment/Unclassifiable.Otter Tail County

Attainment/Unclassifiable.Pennington County

Attainment/Unclassifiable.Pine County

Attainment/Unclassifiable.Pipestone County

Attainment/Unclassifiable.Polk County

Attainment/Unclassifiable.Pope County

Attainment/Unclassifiable.Ramsey County

Attainment/Unclassifiable.Red Lake County

Attainment/Unclassifiable.Redwood County

Attainment/Unclassifiable.Renville County

Attainment/Unclassifiable.Rice County

Attainment/Unclassifiable.Rock County

Attainment/Unclassifiable.Roseau County

Attainment/Unclassifiable.St. Louis County

Attainment/Unclassifiable.Scott County

Attainment/Unclassifiable.Sherburne County

Attainment/Unclassifiable.Sibley County

Attainment/Unclassifiable.Stearns County

Attainment/Unclassifiable.Steele County

Attainment/Unclassifiable.Stevens County

Attainment/Unclassifiable.Swift County

Attainment/Unclassifiable.Todd County

Attainment/Unclassifiable.Traverse County

Attainment/Unclassifiable.Wabasha County

Attainment/Unclassifiable.Wadena County

Attainment/Unclassifiable.Waseca County

Attainment/Unclassifiable.Washington County

Attainment/Unclassifiable.Watonwan County

Attainment/Unclassifiable.Wilkin County

Attainment/Unclassifiable.Winona County

Attainment/Unclassifiable.Wright County

Attainment/Unclassifiable.( print page 1136)Yellow Medicine 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 April 9, 2018, unless otherwise noted.
 26.Section 81.325 is amended by revising the table entitled “Mississippi—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.325
  
 Mississippi—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeAdams County

Attainment/Unclassifiable.Alcorn County

Attainment/Unclassifiable.Amite County

Attainment/Unclassifiable.Attala County

Attainment/Unclassifiable.Benton County

Attainment/Unclassifiable.Bolivar County

Attainment/Unclassifiable.Calhoun County

Attainment/Unclassifiable.Carroll County

Attainment/Unclassifiable.Chickasaw County

Attainment/Unclassifiable.Choctaw County

Attainment/Unclassifiable.Claiborne County

Attainment/Unclassifiable.Clarke County

Attainment/Unclassifiable.Clay County

Attainment/Unclassifiable.Coahoma County

Attainment/Unclassifiable.Copiah County

Attainment/Unclassifiable.Covington County

Attainment/Unclassifiable.DeSoto County

Attainment/Unclassifiable.Forrest County

Attainment/Unclassifiable.Franklin County

Attainment/Unclassifiable.George County

Attainment/Unclassifiable.Greene County

Attainment/Unclassifiable.Grenada County

Attainment/Unclassifiable.Hancock County

Attainment/Unclassifiable.Harrison County

Attainment/Unclassifiable.Hinds County

Attainment/Unclassifiable.Holmes County

Attainment/Unclassifiable.Humphreys County

Attainment/Unclassifiable.Issaquena County

Attainment/Unclassifiable.Itawamba County

Attainment/Unclassifiable.Jackson County

Attainment/Unclassifiable.Jasper County

Attainment/Unclassifiable.Jefferson County

Attainment/Unclassifiable.Jefferson Davis County

Attainment/Unclassifiable.Jones County

Attainment/Unclassifiable.Kemper County

Attainment/Unclassifiable.Lafayette County

Attainment/Unclassifiable.Lamar County, MS
9/12/16
Attainment/Unclassifiable.Lauderdale County

Attainment/Unclassifiable.Lawrence County

Attainment/Unclassifiable.Leake County

Attainment/Unclassifiable.Lee County

Attainment/Unclassifiable.Leflore County

Attainment/Unclassifiable.Lincoln County

Attainment/Unclassifiable.Lowndes County

Attainment/Unclassifiable.Madison County

Attainment/Unclassifiable.Marion County

Attainment/Unclassifiable.Marshall County

Attainment/Unclassifiable.Monroe County

Attainment/Unclassifiable.Montgomery County

Attainment/Unclassifiable.Neshoba County

Attainment/Unclassifiable.Newton County

Attainment/Unclassifiable.Noxubee County

Attainment/Unclassifiable.Oktibbeha County

Attainment/Unclassifiable.( print page 1137)Panola County

Attainment/Unclassifiable.Pearl River County

Attainment/Unclassifiable.Perry County

Attainment/Unclassifiable.Pike County

Attainment/Unclassifiable.Pontotoc County

Attainment/Unclassifiable.Prentiss County

Attainment/Unclassifiable.Quitman County

Attainment/Unclassifiable.Rankin County

Attainment/Unclassifiable.Scott County

Attainment/Unclassifiable.Sharkey County

Attainment/Unclassifiable.Simpson County

Attainment/Unclassifiable.Smith County

Attainment/Unclassifiable.Stone County

Attainment/Unclassifiable.Sunflower County

Attainment/Unclassifiable.Tallahatchie County

Attainment/Unclassifiable.Tate County

Attainment/Unclassifiable.Tippah County

Attainment/Unclassifiable.Tishomingo County

Attainment/Unclassifiable.Tunica County

Attainment/Unclassifiable.Union County

Attainment/Unclassifiable.Walthall County

Attainment/Unclassifiable.Warren County

Attainment/Unclassifiable.Washington County

Attainment/Unclassifiable.Wayne County

Attainment/Unclassifiable.Webster County

Attainment/Unclassifiable.Wilkinson County

Attainment/Unclassifiable.Winston County

Attainment/Unclassifiable.Yalobusha County

Attainment/Unclassifiable.Yazoo 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 April 9, 2018, unless otherwise noted.
 27.Section 81.326 is amended by revising the table entitled “Missouri—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.326
  
 Missouri—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 
                                        1 3
DesignationDate 2
TypeJackson County, MO
10/4/13
Nonattainment.Jackson County (part)The portion of Jackson County bounded by I-70/I-670 and the Missouri River to the north; and, to the west of I-435 to the state line separating Missouri and Kansas.Jefferson County, MO
10/4/13
Nonattainment.( print page 1138)Jefferson County (part)That portion within Jefferson County described by connecting the following four sets of UTM coordinates moving in a clockwise manner:(Herculaneum USGS Quadrangle)
                                         718360.283 4250477.056 
                                         729301.869 4250718.415 
                                         729704.134 4236840.30 
                                         718762.547 4236558.715(Festus USGS Quadrangle)
                                         718762.547 4236558.715 
                                         729704.134 4236840.30 
                                         730066.171 4223042.637 
                                         719124.585 4222680.6(Selma USGS Quadrangle)
                                         729704.134 4236840.30 
                                         730428.209 4236840.3 
                                         741047.984 4223283.996 
                                         730066.171 4223042.637(Valmeyer USGS Quadrangle)
                                         729301.869 4250718.415 
                                         731474.096 4250798.868 
                                         730428.209 4236840.3 
                                         729704.134 4236840.30Franklin-St. Charles Counties, MO
9/12/16
Unclassifiable.Franklin County (part)The eastern and western boundaries are Boles Township boundaries. The northern boundary is the Franklin County-St. Charles County Line. The southern boundary is Interstate 44.St. Charles County (part)The eastern and western boundaries are Boone Township boundaries. The northern boundary is Missouri Route D and Highway 94. The southern boundary is the Franklin County-St. Charles County Line.Jackson County, MO
9/12/16
Unclassifiable.Jackson County (part)The northern boundary is the county line separating Jackson County from Clay and Ray Counties. The eastern boundary is the county line separating Jackson County from Lafayette County. The southern boundary is Interstates 70 and 470. The western boundary is Missouri Highway 291.Adair County

Attainment/Unclassifiable.Andrew County

Attainment/Unclassifiable.Atchison County

Attainment/Unclassifiable.Audrain County

Attainment/Unclassifiable.Barry County

Attainment/Unclassifiable.Barton County

Attainment/Unclassifiable.Bates County

Attainment/Unclassifiable.Benton County

Attainment/Unclassifiable.Bollinger County

Attainment/Unclassifiable.Boone County

Attainment/Unclassifiable.Buchanan County

Attainment/Unclassifiable.Butler County

Attainment/Unclassifiable.Caldwell County

Attainment/Unclassifiable.Callaway County

Attainment/Unclassifiable.Camden County

Attainment/Unclassifiable.Cape Girardeau County

Attainment/Unclassifiable.Carroll County

Attainment/Unclassifiable.Carter County

Attainment/Unclassifiable.Cass County

Attainment/Unclassifiable.Cedar County

Attainment/Unclassifiable.Chariton County

Attainment/Unclassifiable.Christian County

Attainment/Unclassifiable.Clark County

Attainment/Unclassifiable.Clay County

Attainment/Unclassifiable.Clinton County

Attainment/Unclassifiable.Cole County

Attainment/Unclassifiable.Cooper County

Attainment/Unclassifiable.Crawford County

Attainment/Unclassifiable.Dade County

Attainment/Unclassifiable.Dallas County

Attainment/Unclassifiable.Daviess County

Attainment/Unclassifiable.DeKalb County

Attainment/Unclassifiable.( print page 1139)Dent County

Attainment/Unclassifiable.Douglas County

Attainment/Unclassifiable.Dunklin County

Attainment/Unclassifiable.Franklin County (part) (remainder)

Attainment/Unclassifiable.Gasconade County

Attainment/Unclassifiable.Gentry County

Attainment/Unclassifiable.Greene County

Attainment/Unclassifiable.Grundy County

Attainment/Unclassifiable.Harrison County

Attainment/Unclassifiable.Henry County

Attainment/Unclassifiable.Hickory County

Attainment/Unclassifiable.Holt County

Attainment/Unclassifiable.Howard County

Attainment/Unclassifiable.Howell County

Attainment/Unclassifiable.Jackson County (part) (remainder)

Attainment/Unclassifiable.Jasper County

Attainment/Unclassifiable.Jefferson County (part) (remainder)

Attainment/Unclassifiable.Johnson County

Attainment/Unclassifiable.Knox County

Attainment/Unclassifiable.Laclede County

Attainment/Unclassifiable.Lafayette County

Attainment/Unclassifiable.Lawrence County

Attainment/Unclassifiable.Lewis County

Attainment/Unclassifiable.Lincoln County

Attainment/Unclassifiable.Linn County

Attainment/Unclassifiable.Livingston County

Attainment/Unclassifiable.Macon County

Attainment/Unclassifiable.Madison County

Attainment/Unclassifiable.Maries County

Attainment/Unclassifiable.Marion County

Attainment/Unclassifiable.McDonald County

Attainment/Unclassifiable.Mercer County

Attainment/Unclassifiable.Miller County

Attainment/Unclassifiable.Mississippi County

Attainment/Unclassifiable.Moniteau County

Attainment/Unclassifiable.Monroe County

Attainment/Unclassifiable.Montgomery County

Attainment/Unclassifiable.Morgan County

Attainment/Unclassifiable.Newton County

Attainment/Unclassifiable.Nodaway County

Attainment/Unclassifiable.Oregon County

Attainment/Unclassifiable.Osage County

Attainment/Unclassifiable.Ozark County

Attainment/Unclassifiable.Pemiscot County

Attainment/Unclassifiable.Perry County

Attainment/Unclassifiable.Pettis County

Attainment/Unclassifiable.Phelps County

Attainment/Unclassifiable.Pike County

Attainment/Unclassifiable.Platte County

Attainment/Unclassifiable.Polk County

Attainment/Unclassifiable.Pulaski County

Attainment/Unclassifiable.Putnam County

Attainment/Unclassifiable.Ralls County

Attainment/Unclassifiable.Randolph County

Attainment/Unclassifiable.Ray County

Attainment/Unclassifiable.Reynolds County

Attainment/Unclassifiable.Ripley County

Attainment/Unclassifiable.St. Charles County (part) (remainder)

Attainment/Unclassifiable.St. Clair County

Attainment/Unclassifiable.St. Francois County

Attainment/Unclassifiable.Ste. Genevieve County

Attainment/Unclassifiable.St. Louis City

Attainment/Unclassifiable.St. Louis County

Attainment/Unclassifiable.Saline County

Attainment/Unclassifiable.Schuyler County

Attainment/Unclassifiable.Scotland County

Attainment/Unclassifiable.Scott County
9/12/16
Attainment/Unclassifiable.Shannon County

Attainment/Unclassifiable.Shelby County

Attainment/Unclassifiable.Stoddard County

Attainment/Unclassifiable.( print page 1140)Stone County

Attainment/Unclassifiable.Sullivan County

Attainment/Unclassifiable.Taney County

Attainment/Unclassifiable.Texas County

Attainment/Unclassifiable.Vernon County

Attainment/Unclassifiable.Warren County

Attainment/Unclassifiable.Washington County

Attainment/Unclassifiable.Wayne County

Attainment/Unclassifiable.Webster County

Attainment/Unclassifiable.Worth County

Attainment/Unclassifiable.Wright 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 April 9, 2018, unless otherwise noted.3
                                     Iron and New Madrid Counties will be designated by December 31, 2020.
 28.Section 81.327 is amended by revising the table titled “Montana—2010 Sulfur Dioxide NAAQS (Primary) to read as follows: § 81.327
  
 Montana—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeYellowstone County (part)
5/10/16
Attainment.The area originates at the point defined as the southwest corner of Section 11, Township 1S, Range 26E. From that point the boundary proceeds north along the western section line of Section 11 to the point of intersection with the midline of Interstate Highway 90. From that point the boundary follows the midline of Interstate Highway 90, across the Yellowstone River, to the point where the highway midline intersects the northern boundary of Section 35, Township 1N, Range 26E. From that point the boundary proceeds east along the northern section line of Sections 35 and 36 to the point where Old US 87/Hardin Road leaves the section line and turns southeast. The boundary follows the midline of Old US 87/Hardin Road southeast to the point where the road intersects the western boundary of the SE 
                                        1/4
                                         of the SE 
                                        1/4
                                         of Section 31, Township 1N, Range 27E. From that point the boundary proceeds south along the 
                                        1/4
                                         section line to the southern boundary of Township 1N, then east to the northeast corner of Section 5, Township 1S, Range 27E. The boundary then proceeds south along the eastern section line of sections 5 and 8 to the southeast corner of Section 8, Township 1S, Range 27E, where it turns west and follows the south section line of Sections 8 and 7, Township 1S, Range 27E; and Sections 12 and 11, Township 1S, Range 26E, back to the point of originBeaverhead County

Attainment/Unclassifiable.Big Horn County

Attainment/Unclassifiable.Blaine County

Attainment/Unclassifiable.Broadwater County

Attainment/Unclassifiable.Carbon County

Attainment/Unclassifiable.Carter County

Attainment/Unclassifiable.Cascade County

Attainment/Unclassifiable.Chouteau County

Attainment/Unclassifiable.Custer County

Attainment/Unclassifiable.Daniels County

Attainment/Unclassifiable.Dawson County

Attainment/Unclassifiable.Deer Lodge County

Attainment/Unclassifiable.Fallon County

Attainment/Unclassifiable.Fergus County

Attainment/Unclassifiable.Flathead County

Attainment/Unclassifiable.Gallatin County

Attainment/Unclassifiable.Garfield County

Attainment/Unclassifiable.Glacier County

Attainment/Unclassifiable.Golden Valley County

Attainment/Unclassifiable.Granite County

Attainment/Unclassifiable.Hill County

Attainment/Unclassifiable.Jefferson County

Attainment/Unclassifiable.Judith Basin County

Attainment/Unclassifiable.( print page 1141)Lake County

Attainment/Unclassifiable.Lewis and Clark County

Attainment/Unclassifiable.Liberty County

Attainment/Unclassifiable.Lincoln County

Attainment/Unclassifiable.McCone County

Attainment/Unclassifiable.Madison County

Attainment/Unclassifiable.Meagher County

Attainment/Unclassifiable.Mineral County

Attainment/Unclassifiable.Missoula County

Attainment/Unclassifiable.Musselshell County

Attainment/Unclassifiable.Park County

Attainment/Unclassifiable.Petroleum County

Attainment/Unclassifiable.Phillips County

Attainment/Unclassifiable.Pondera County

Attainment/Unclassifiable.Powder River County

Attainment/Unclassifiable.Powell County

Attainment/Unclassifiable.Prairie County

Attainment/Unclassifiable.Ravalli County

Attainment/Unclassifiable.Richland County

Attainment/Unclassifiable.Roosevelt County

Attainment/Unclassifiable.Rosebud County

Attainment/Unclassifiable.Sanders County

Attainment/Unclassifiable.Sheridan County

Attainment/Unclassifiable.Silver Bow County

Attainment/Unclassifiable.Stillwater County

Attainment/Unclassifiable.Sweet Grass County

Attainment/Unclassifiable.Teton County

Attainment/Unclassifiable.Toole County

Attainment/Unclassifiable.Treasure County

Attainment/Unclassifiable.Valley County

Attainment/Unclassifiable.Wheatland County

Attainment/Unclassifiable.Wibaux County

Attainment/Unclassifiable.Yellowstone 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 April 9, 2018, unless otherwise noted.
 29.Section 81.328 is amended by revising the table entitled “Nebraska—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.328
  
 Nebraska—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 
                                        1 3
DesignationDate 2
TypeLancaster County
9/12/16
Unclassifiable.Statewide:

Attainment/Unclassifiable.Adams CountyAntelope CountyArthur CountyBanner CountyBlaine CountyBoone CountyBox Butte CountyBoyd CountyBrown CountyBuffalo CountyBurt CountyButler CountyCass CountyCedar CountyChase CountyCherry CountyCheyenne County( print page 1142)Clay CountyColfax CountyCuming CountyCuster CountyDakota CountyDawes CountyDawson CountyDeuel CountyDixon CountyDodge CountyDundy CountyFillmore CountyFranklin CountyFrontier CountyFurnas CountyGage CountyGarden CountyGarfield CountyGosper CountyGrant CountyGreeley CountyHall CountyHamilton CountyHarlan CountyHayes CountyHitchcock CountyHolt CountyHooker CountyHoward CountyJefferson CountyJohnson CountyKearney CountyKeith CountyKeya Paha CountyKimball CountyKnox CountyLincoln County
9/12/16
Attainment/Unclassifiable.Logan CountyLoup CountyMadison CountyMcPherson CountyMerrick CountyMorrill CountyNance CountyNemaha CountyNuckolls CountyOtoe County
9/12/16
Attainment/Unclassifiable.Pawnee CountyPerkins CountyPhelps CountyPierce CountyPlatte CountyPolk CountyRed Willow CountyRichardson CountyRock CountySaline CountySarpy CountySaunders CountyScotts Bluff CountySeward CountySheridan CountySherman CountySioux CountyStanton CountyThayer CountyThomas CountyThurston County( print page 1143)Valley CountyWashington CountyWayne CountyWebster CountyWheeler CountyYork County1
                                     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 April 9, 2018, unless otherwise noted.3
                                     Douglas County will be designated by December 31, 2020.
 30.Section 81.329 is amended by adding a table entitled “Nevada—2010 Sulfur Dioxide NAAQS (Primary)” following the table “Nevada—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.329
  
 Nevada—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeState of Nevada 3

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 April 9, 2018, unless otherwise noted.3
                                     Rest of State refers to hydrographic areas as shown on the State of Nevada Division of Water Resources' map titled “Water Resources and Inter-basin Flows” (September 1971), as revised to include a division of Carson Desert (area 101) into two areas, a smaller area 101 and area 101A, and a division of Boulder Flat (area 61) into an Upper Unit 61 and a Lower Unit 61. See also 67 FR 12474 (March 19, 2002).
 31.Section 81.330 is amended by revising the table entitled “New Hampshire—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.330
  
 New Hampshire—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeCentral New Hampshire, NH
10/4/13
Nonattainment.Hillsborough County (part)Goffstown TownMerrimack County (part)Allenstown Town, Bow Town, Chichester Town, Dunbarton Town, Epsom Town, Hooksett Town, Loudon Town, Pembroke Town, Pittsfield Town, City of ConcordRockingham County (part)Candia Town, Deerfield Town, Northwood TownRest of State:Belknap County

Attainment/Unclassifiable.Carroll County

Attainment/Unclassifiable.Cheshire County

Attainment/Unclassifiable.Coos County

Attainment/Unclassifiable.Grafton County

Attainment/Unclassifiable.Hillsborough County (part)

Attainment/Unclassifiable.Amherst Town, Antrim Town, Bedford Town, Bennington Town, Brookline Town, Deering Town, Francestown Town, Greenfield Town, Greenville Town, Hancock Town, Hillsborough Town, Hollis Town, Hudson Town, Litchfield Town, Lyndeborough Town, City of Manchester, Mason Town, Merrimack Town, Milford Town, Mont Vernon Town, City of Nashua, New Boston Town, New Ipswich Town, Pelham Town, Peterborough Town, Sharon Town, Temple Town, Weare Town, Wilton Town, Windsor TownMerrimack County (part)

Attainment/Unclassifiable.( print page 1144)Andover Town, Boscawen Town, Bradford Town, Canterbury Town, Danbury Town, City of Franklin, Henniker Town, Hill Town, Hopkinton Town, New London Town, Newbury Town, Northfield Town, Salisbury Town, Sutton Town, Warner Town, Webster Town, Wilmot TownRockingham County (part)

Attainment/Unclassifiable.Atkinson Town, Auburn Town, Brentwood Town, Chester Town, Danville Town, Derry Town, East Kingston Town, Epping Town, Exeter Town, Fremont Town, Greenland Town, Hampstead Town, Hampton Town, Hampton Falls Town, Kensington Town, Kingston Town, Londonderry Town, New Castle Town, Newfields Town, Newington Town, Newmarket Town, Newton Town, North Hampton Town, Nottingham Town, Plainstow Town, City of Portsmouth, Raymond Town, Rye Town, Salem Town, Sandown Town, Seabrook Town, South Hampton Town, Stratham Town, Windham TownStrafford County

Attainment/Unclassifiable.Sullivan 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 April 9, 2018, unless otherwise noted.
 32.Section 81.331 is amended by adding a table entitled “New Jersey—2010 Sulfur Dioxide NAAQS (Primary)” following the table “New Jersey—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.331
  
 New Jersey—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeEntire State

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 April 9, 2018, unless otherwise noted.
 33.Section 81.332 is amended by adding a table titled “New Mexico—2010 Sulfur Dioxide NAAQS (Primary)” following the table titled “New Mexico—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.332
  
 New Mexico—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeBernalillo County

Attainment/Unclassifiable.Catron County

Attainment/Unclassifiable.Chaves County

Attainment/Unclassifiable.Cibola County

Attainment/Unclassifiable.Colfax County

Attainment/Unclassifiable.Curry County

Attainment/Unclassifiable.De Baca County

Attainment/Unclassifiable.Dona Ana County

Attainment/Unclassifiable.Eddy County

Attainment/Unclassifiable.Grant County

Attainment/Unclassifiable.Guadalupe County

Attainment/Unclassifiable.Harding County

Attainment/Unclassifiable.Hidalgo County

Attainment/Unclassifiable.Lea County

Attainment/Unclassifiable.Lincoln County

Attainment/Unclassifiable.Los Alamos County

Attainment/Unclassifiable.Luna County

Attainment/Unclassifiable.McKinley County

Attainment/Unclassifiable.Mora County

Attainment/Unclassifiable.( print page 1145)Quay County

Attainment/Unclassifiable.Rio Arriba County

Attainment/Unclassifiable.Roosevelt County

Attainment/Unclassifiable.San Juan County

Attainment/Unclassifiable.San Miguel County

Attainment/Unclassifiable.Sandoval County

Attainment/Unclassifiable.Santa Fe County

Attainment/Unclassifiable.Socorro County

Attainment/Unclassifiable.Taos County

Attainment/Unclassifiable.Torrance County

Attainment/Unclassifiable.Union County

Attainment/Unclassifiable.Valencia 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. The lands of the Navajo Nation, including those lands located geographically within New Mexico, are excluded, as they are separately designated under Section 81.303.2
                                     This date is April 9, 2018, unless otherwise noted.
 34.Section 81.333 is amended by revising the table entitled “New York—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.333
  
 New York—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
                                         3
DesignationDate 2
TypeMonroe County

Unclassifiable.Erie-Niagara, NY
9/12/16
Attainment/Unclassifiable.Erie CountyNiagara CountyAlbany County

Attainment/Unclassifiable.Allegany County

Attainment/Unclassifiable.Broome County

Attainment/Unclassifiable.Bronx County

Attainment/Unclassifiable.Cattaraugus County

Attainment/Unclassifiable.Chautauqua County

Attainment/Unclassifiable.Chemung County

Attainment/Unclassifiable.Chenango County

Attainment/Unclassifiable.Clinton County

Attainment/Unclassifiable.Columbia County

Attainment/Unclassifiable.Cortland County

Attainment/Unclassifiable.Delaware County

Attainment/Unclassifiable.Dutchess County

Attainment/Unclassifiable.Essex County

Attainment/Unclassifiable.Franklin County

Attainment/Unclassifiable.Fulton County

Attainment/Unclassifiable.Genesee County

Attainment/Unclassifiable.Greene County

Attainment/Unclassifiable.Hamilton County

Attainment/Unclassifiable.Herkimer County

Attainment/Unclassifiable.Jefferson County

Attainment/Unclassifiable.Kings County

Attainment/Unclassifiable.Lewis County

Attainment/Unclassifiable.Livingston County

Attainment/Unclassifiable.Madison County

Attainment/Unclassifiable.Montgomery County

Attainment/Unclassifiable.Nassau County

Attainment/Unclassifiable.New York County

Attainment/Unclassifiable.Oneida County

Attainment/Unclassifiable.Onondaga County

Attainment/Unclassifiable.Ontario County

Attainment/Unclassifiable.Orange County

Attainment/Unclassifiable.Orleans County

Attainment/Unclassifiable.Oswego County

Attainment/Unclassifiable.Otsego County

Attainment/Unclassifiable.Putnam County

Attainment/Unclassifiable.( print page 1146)Queens County

Attainment/Unclassifiable.Rensselaer County

Attainment/Unclassifiable.Richmond County

Attainment/Unclassifiable.Rockland County

Attainment/Unclassifiable.Saratoga County

Attainment/Unclassifiable.Schenectady County

Attainment/Unclassifiable.Schoharie County

Attainment/Unclassifiable.Schuyler County

Attainment/Unclassifiable.Steuben County

Attainment/Unclassifiable.Suffolk County

Attainment/Unclassifiable.Sullivan County

Attainment/Unclassifiable.Tioga County

Attainment/Unclassifiable.Ulster County

Attainment/Unclassifiable.Warren County

Attainment/Unclassifiable.Washington County

Attainment/Unclassifiable.Wayne County

Attainment/Unclassifiable.Westchester County

Attainment/Unclassifiable.Wyoming County

Attainment/Unclassifiable.Yates 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 April 9, 2018, unless otherwise noted.3
                                     Cayuga, St. Lawrence, Seneca, and Tompkins Counties will be designated by December 31, 2020.
 35.Section 81.334 is amended by revising the table entitled “North Carolina—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.334
  
 North Carolina—2010 Sulfur Dioxide NAAQS (Primary)
Designated area
DesignationDate 1
TypeBrunswick County, NC 2
9/12/16
Unclassifiable.Brunswick CountyLockwood Folly Township, Northwest Township, Shallotte Township, Smithville Township, Town Creek Township, Waccamaw TownshipRest of State: 3Alamance County

Attainment/Unclassifiable.Each Individual TownshipAlexander County

Attainment/Unclassifiable.Each Individual TownshipAlleghany County

Attainment/Unclassifiable.Each Individual TownshipAnson County

Attainment/Unclassifiable.Each Individual TownshipAshe County

Attainment/Unclassifiable.Each Individual TownshipAvery County

Attainment/Unclassifiable.Each Individual TownshipBeaufort County

Attainment/Unclassifiable.Each Individual TownshipBertie County

Attainment/Unclassifiable.Each Individual TownshipBladen County

Attainment/Unclassifiable.Each Individual TownshipBuncombe County (part) 4

Attainment/Unclassifiable.All Townships except Limestone TownshipBurke County

Attainment/Unclassifiable.Each Individual TownshipCabarrus County

Attainment/Unclassifiable.Each Individual TownshipCaldwell County

Attainment/Unclassifiable.Each Individual TownshipCamden County

Attainment/Unclassifiable.Each Individual TownshipCarteret County

Attainment/Unclassifiable.( print page 1147)Each Individual TownshipCaswell County

Attainment/Unclassifiable.Each Individual TownshipCatawba County

Attainment/Unclassifiable.Each Individual TownshipChatham County

Attainment/Unclassifiable.Each Individual TownshipCherokee County

Attainment/Unclassifiable.Each Individual TownshipChowan County

Attainment/Unclassifiable.Each Individual TownshipClay County

Attainment/Unclassifiable.Each Individual TownshipCleveland County

Attainment/Unclassifiable.Each Individual TownshipColumbus County

Attainment/Unclassifiable.Each Individual TownshipCraven County

Attainment/Unclassifiable.Each Individual TownshipCumberland County

Attainment/Unclassifiable.Each Individual TownshipCurrituck County

Attainment/Unclassifiable.Each Individual TownshipDare County

Attainment/Unclassifiable.Each Individual TownshipDavidson County

Attainment/Unclassifiable.Each Individual TownshipDavie County

Attainment/Unclassifiable.Each Individual TownshipDuplin County

Attainment/Unclassifiable.Each Individual TownshipDurham County

Attainment/Unclassifiable.Each Individual TownshipEdgecombe County

Attainment/Unclassifiable.Each Individual TownshipForsyth County

Attainment/Unclassifiable.Each Individual TownshipFranklin County

Attainment/Unclassifiable.Each Individual TownshipGaston County

Attainment/Unclassifiable.Each Individual TownshipGates County

Attainment/Unclassifiable.Each Individual TownshipGraham County

Attainment/Unclassifiable.Each Individual TownshipGranville County

Attainment/Unclassifiable.Each Individual TownshipGreene County

Attainment/Unclassifiable.Each Individual TownshipGuilford County

Attainment/Unclassifiable.Each Individual TownshipHalifax County

Attainment/Unclassifiable.Each Individual TownshipHarnett County

Attainment/Unclassifiable.Each Individual TownshipHaywood County (part) 4

Attainment/Unclassifiable.All Townships except Beaverdam TownshipHenderson County

Attainment/Unclassifiable.Each Individual TownshipHertford County

Attainment/Unclassifiable.Each Individual TownshipHoke County

Attainment/Unclassifiable.Each Individual TownshipHyde County

Attainment/Unclassifiable.Each Individual TownshipIredell County

Attainment/Unclassifiable.Each Individual TownshipJackson County

Attainment/Unclassifiable.Each Individual TownshipJohnston County

Attainment/Unclassifiable.( print page 1148)Each Individual TownshipJones County

Attainment/Unclassifiable.Each Individual TownshipLee County

Attainment/Unclassifiable.Each Individual TownshipLenoir County

Attainment/Unclassifiable.Each Individual TownshipLincoln County

Attainment/Unclassifiable.Each Individual TownshipMcDowell County

Attainment/Unclassifiable.Each Individual TownshipMacon County

Attainment/Unclassifiable.Each Individual TownshipMadison County

Attainment/Unclassifiable.Each Individual TownshipMartin County

Attainment/Unclassifiable.Each Individual TownshipMecklenburg County

Attainment/Unclassifiable.Each Individual TownshipMitchell County

Attainment/Unclassifiable.Each Individual TownshipMontgomery County

Attainment/Unclassifiable.Each Individual TownshipMoore County

Attainment/Unclassifiable.Each Individual TownshipNash County

Attainment/Unclassifiable.Each Individual TownshipNew Hanover County

Attainment/Unclassifiable.Each Individual TownshipNorthampton County

Attainment/Unclassifiable.Each Individual TownshipOnslow County

Attainment/Unclassifiable.Each Individual TownshipOrange County

Attainment/Unclassifiable.Each Individual TownshipPamlico County

Attainment/Unclassifiable.Each Individual TownshipPasquotank County

Attainment/Unclassifiable.Each Individual TownshipPender County

Attainment/Unclassifiable.Each Individual TownshipPerquimans County

Attainment/Unclassifiable.Each Individual TownshipPerson County (part) 4

Attainment/Unclassifiable.All Townships except Cunningham TownshipPitt County

Attainment/Unclassifiable.Each Individual TownshipPolk County

Attainment/Unclassifiable.Each Individual TownshipRandolph County

Attainment/Unclassifiable.Each Individual TownshipRichmond County

Attainment/Unclassifiable.Each Individual TownshipRobeson County

Attainment/Unclassifiable.Each Individual TownshipRockingham County

Attainment/Unclassifiable.Each Individual TownshipRowan County

Attainment/Unclassifiable.Each Individual TownshipRutherford County

Attainment/Unclassifiable.Each Individual TownshipSampson County

Attainment/Unclassifiable.Each Individual TownshipScotland County

Attainment/Unclassifiable.Each Individual TownshipStanly County

Attainment/Unclassifiable.Each Individual TownshipStokes County

Attainment/Unclassifiable.Each Individual TownshipSurry County

Attainment/Unclassifiable.( print page 1149)Each Individual TownshipSwain County

Attainment/Unclassifiable.Each Individual TownshipTransylvania County

Attainment/Unclassifiable.Each Individual TownshipTyrrell County

Attainment/Unclassifiable.Each Individual TownshipUnion County

Attainment/Unclassifiable.Each Individual TownshipVance County

Attainment/Unclassifiable.Each Individual TownshipWake County

Attainment/Unclassifiable.Each Individual TownshipWarren County

Attainment/Unclassifiable.Each Individual TownshipWashington County

Attainment/Unclassifiable.Each Individual TownshipWatauga County

Attainment/Unclassifiable.Each Individual TownshipWayne County

Attainment/Unclassifiable.Each Individual TownshipWilkes County

Attainment/Unclassifiable.Each Individual TownshipWilson County

Attainment/Unclassifiable.Each Individual TownshipYadkin County

Attainment/Unclassifiable.Each Individual TownshipYancey County

Attainment/Unclassifiable.Each Individual Township1
                                     This date is April 9, 2018, unless otherwise noted.2
                                     Excludes Indian country located in each area, if any, unless otherwise specified.3
                                     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.4
                                     The remaining portions of Buncombe, Haywood, and Person Counties will be designated by December 31, 2020.
 36.Section 81.335 is amended by revising the table entitled “North Dakota—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.335
  
 North Dakota—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeMcLean County/Eastern Mercer County, ND
9/12/16
Attainment/Unclassifiable.McLean CountyMercer County (part)Area east of CR-37/ND 31, east/north of ND 200 ALT, west of the eastern border of Mercer County/Missouri River, south of the Knife River National Historic Site.Central Mercer County, ND
9/12/16
Attainment/Unclassifiable.Mercer County (part)Area west of ND 49/61st Ave SW, north of Co. Rd 15/17th St. SW, east of Co. Rd 13, south and east of the town Zap, south of 8th St. SW/ND 200Rest of State: 3

Attainment/Unclassifiable.Adams CountyBarnes CountyBenson CountyBillings CountyBottineau CountyBowman CountyBurke CountyBurleigh CountyCass CountyCavalier CountyDickey CountyDivide County( print page 1150)Dunn CountyEddy CountyEmmons CountyFoster CountyGolden Valley CountyGrand Forks CountyGrant CountyGriggs CountyHettinger CountyKidder CountyLaMoure CountyLogan CountyMcHenry CountyMcIntosh CountyMcKenzie CountyMercer County (part) (remainder)Morton CountyMountrail CountyNelson CountyOliver CountyPembina CountyPierce CountyRamsey CountyRansom CountyRenville CountyRichland CountyRolette CountySargent CountySheridan CountySioux CountySlope CountyStark CountySteele CountyStutsman CountyTowner CountyTraill CountyWalsh CountyWard CountyWells County1
                                     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 April 9, 2018, unless otherwise noted.3
                                     Williams County will be designated by December 31, 2020.
 37.Section 81.336 is amended by revising the table entitled “Ohio—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.336
  
 Ohio—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeCampbell-Clermont Counties, KY-OH
11/21/16
Attainment.Clermont County (part)Pierce TownshipLake County, OH
10/4/13
Nonattainment.Lake CountyMuskingum River, OH
10/4/13
Nonattainment.Morgan County (part)Center TownshipWashington County (part)Waterford TownshipSteubenville, OH-WV
10/4/13
Nonattainment.( print page 1151)Jefferson County (part)Cross Creek Township, Steubenville Township, Warren Township, Wells Township, Steubenville CityGallia County, OH
9/12/16
Unclassifiable.Gallia CountyMeigs County (part)Bedford, Columbia, Rutland, Salem, Salisbury, and Scipio TownshipsClermont County, Ohio 2
9/12/16
Attainment/Unclassifiable.Clermont County (part)Clermont County excluding Pierce TownshipAdams County

Attainment/Unclassifiable.Allen County

Attainment/Unclassifiable.Ashland County

Attainment/Unclassifiable.Ashtabula County

Attainment/Unclassifiable.Athens County

Attainment/Unclassifiable.Auglaize County

Attainment/Unclassifiable.Belmont County

Attainment/Unclassifiable.Brown County

Attainment/Unclassifiable.Butler County

Attainment/UnclassifiableCarroll County

Attainment/Unclassifiable.Champaign County

Attainment/Unclassifiable.Clark County

Attainment/Unclassifiable.Clinton County

Attainment/Unclassifiable.Columbiana County

Attainment/Unclassifiable.Coshocton County

Attainment/Unclassifiable.Crawford County

Attainment/Unclassifiable.Cuyahoga County

Attainment/Unclassifiable.Darke County

Attainment/Unclassifiable.Defiance County

Attainment/Unclassifiable.Delaware County

Attainment/Unclassifiable.Erie County

Attainment/Unclassifiable.Fairfield County

Attainment/Unclassifiable.Fayette County

Attainment/Unclassifiable.Franklin County

Attainment/Unclassifiable.Fulton County

Attainment/Unclassifiable.Geauga County

Attainment/Unclassifiable.Greene County

Attainment/Unclassifiable.Guernsey County

Attainment/Unclassifiable.Hamilton County

Attainment/Unclassifiable.Hancock County

Attainment/Unclassifiable.Hardin County

Attainment/Unclassifiable.Harrison County

Attainment/Unclassifiable.Henry County

Attainment/Unclassifiable.Highland County

Attainment/Unclassifiable.Hocking County

Attainment/Unclassifiable.Holmes County

Attainment/Unclassifiable.Huron County

Attainment/Unclassifiable.Jackson County

Attainment/Unclassifiable.Jefferson County (part) (remainder)

Attainment/Unclassifiable.Knox County

Attainment/Unclassifiable.Lawrence County

Attainment/Unclassifiable.Licking County

Attainment/Unclassifiable.Logan County

Attainment/Unclassifiable.Lorain County

Attainment/Unclassifiable.Lucas County

Attainment/Unclassifiable.Madison County

Attainment/Unclassifiable.Mahoning County

Attainment/Unclassifiable.Marion County

Attainment/Unclassifiable.Medina County

Attainment/Unclassifiable.Meigs County (part) (remainder)

Attainment/Unclassifiable.Mercer County

Attainment/Unclassifiable.Miami County

Attainment/Unclassifiable.Monroe County

Attainment/Unclassifiable.Montgomery County

Attainment/Unclassifiable.Morgan County (part) (remainder)

Attainment/Unclassifiable.Morrow County

Attainment/Unclassifiable.Muskingum County

Attainment/Unclassifiable.Noble County

Attainment/Unclassifiable.Ottawa County

Attainment/Unclassifiable.Paulding County

Attainment/Unclassifiable.( print page 1152)Perry County

Attainment/Unclassifiable.Pickaway County

Attainment/Unclassifiable.Pike County

Attainment/Unclassifiable.Portage County

Attainment/Unclassifiable.Preble County

Attainment/Unclassifiable.Putnam County

Attainment/Unclassifiable.Richland County

Attainment/Unclassifiable.Ross County

Attainment/Unclassifiable.Sandusky County

Attainment/Unclassifiable.Scioto County

Attainment/Unclassifiable.Seneca County

Attainment/Unclassifiable.Shelby County

Attainment/Unclassifiable.Stark County

Attainment/Unclassifiable.Summit County

Attainment/Unclassifiable.Trumbull County

Attainment/Unclassifiable.Tuscarawas County

Attainment/Unclassifiable.Union County

Attainment/Unclassifiable.Van Wert County

Attainment/Unclassifiable.Vinton County

Attainment/Unclassifiable.Warren County

Attainment/Unclassifiable.Washington County (part) (remainder)

Attainment/Unclassifiable.Wayne County

Attainment/Unclassifiable.Williams County

Attainment/Unclassifiable.Wood County

Attainment/Unclassifiable.Wyandot 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 April 9, 2018, unless otherwise noted.
 38.Section 81.337 is amended by revising the table entitled “Oklahoma—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.337
  
 Oklahoma—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 
                                        1 3
DesignationDate 2
TypeAdair County

Attainment/Unclassifiable.Alfalfa County

Attainment/Unclassifiable.Atoka County

Attainment/Unclassifiable.Beaver County

Attainment/Unclassifiable.Beckham County

Attainment/Unclassifiable.Blaine County

Attainment/Unclassifiable.Bryan County

Attainment/Unclassifiable.Caddo County

Attainment/Unclassifiable.Canadian County

Attainment/Unclassifiable.Carter County

Attainment/Unclassifiable.Cherokee County

Attainment/Unclassifiable.Choctaw County
9/12/16
Attainment/Unclassifiable.Cimarron County

Attainment/Unclassifiable.Cleveland County

Attainment/Unclassifiable.Coal County

Attainment/Unclassifiable.Comanche County

Attainment/Unclassifiable.Cotton County

Attainment/Unclassifiable.Craig County

Attainment/Unclassifiable.Creek County

Attainment/Unclassifiable.Custer County

Attainment/Unclassifiable.Delaware County

Attainment/Unclassifiable.Dewey County

Attainment/Unclassifiable.Ellis County

Attainment/Unclassifiable.Garvin County

Attainment/Unclassifiable.Grady County

Attainment/Unclassifiable.Grant County

Attainment/Unclassifiable.Greer County

Attainment/Unclassifiable.Harmon County

Attainment/Unclassifiable.( print page 1153)Harper County

Attainment/Unclassifiable.Haskell County

Attainment/Unclassifiable.Hughes County

Attainment/Unclassifiable.Jackson County

Attainment/Unclassifiable.Jefferson County

Attainment/Unclassifiable.Johnston County

Attainment/Unclassifiable.Kay County

Attainment/Unclassifiable.Kingfisher County

Attainment/Unclassifiable.Kiowa County

Attainment/Unclassifiable.Latimer County

Attainment/Unclassifiable.Le Flore County

Attainment/Unclassifiable.Lincoln County

Attainment/Unclassifiable.Logan County

Attainment/Unclassifiable.Love County

Attainment/Unclassifiable.McClain County

Attainment/Unclassifiable.McCurtain County

Attainment/Unclassifiable.McIntosh County

Attainment/Unclassifiable.Major County

Attainment/Unclassifiable.Marshall County

Attainment/Unclassifiable.Murray County

Attainment/Unclassifiable.Noble County
9/12/16
Attainment/Unclassifiable.Nowata County

Attainment/Unclassifiable.Okfuskee County

Attainment/Unclassifiable.Oklahoma County

Attainment/Unclassifiable.Okmulgee County

Attainment/Unclassifiable.Osage County

Attainment/Unclassifiable.Ottawa County

Attainment/Unclassifiable.Pawnee County

Attainment/Unclassifiable.Payne County

Attainment/Unclassifiable.Pittsburg County

Attainment/Unclassifiable.Pontotoc County

Attainment/Unclassifiable.Pottawatomie County

Attainment/Unclassifiable.Pushmataha County

Attainment/Unclassifiable.Roger Mills County

Attainment/Unclassifiable.Rogers County

Attainment/Unclassifiable.Seminole County

Attainment/Unclassifiable.Sequoyah County

Attainment/Unclassifiable.Stephens County

Attainment/Unclassifiable.Texas County

Attainment/Unclassifiable.Tillman County

Attainment/Unclassifiable.Tulsa County

Attainment/Unclassifiable.Wagoner County

Attainment/Unclassifiable.Washington County

Attainment/Unclassifiable.Washita County

Attainment/Unclassifiable.Woods County

Attainment/Unclassifiable.Woodward 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 April 9, 2018, unless otherwise noted.3
                                     Garfield and Mayes Counties will be designated by December 31, 2020.
 39.Section 81.338 is amended by adding a table titled “Oregon—2010 Sulfur Dioxide NAAQS (Primary)” following the table titled “Oregon—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.338
  
 Oregon—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeEntire State

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 April 9, 2018, unless otherwise noted.
 40.Section 81.339 is amended by revising the table entitled “Pennsylvania—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.339
  
 Pennsylvania—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 
                                        1 3
DesignationDate 2
TypeAllegheny, PAAllegheny County (part)
10/4/13
Nonattainment.The area consisting of:
                                         Borough of Braddock 
                                         Borough of Dravosburg 
                                         Borough of East McKeesport 
                                         Borough of East Pittsburgh 
                                         Borough of Elizabeth 
                                         Borough of Glassport 
                                         Borough of Jefferson Hills 
                                         Borough of Liberty 
                                         Borough of Lincoln 
                                         Borough of North Braddock 
                                         Borough of Pleasant Hills 
                                         Borough of Port Vue 
                                         Borough of Versailles 
                                         Borough of Wall 
                                         Borough of West Elizabeth 
                                         Borough of West Mifflin 
                                         City of Clairton 
                                         City of Duquesne 
                                         City of McKeesport 
                                         Elizabeth Township 
                                         Forward Township 
                                         North Versailles TownshipBeaver, PABeaver County (part)
10/4/13
Nonattainment.Area consisting of Industry Borough, Shippingport Borough, Midland Borough, Brighton Township, Potter Township and Vanport TownshipIndiana, PA
10/4/13
Nonattainment.Indiana CountyArmstrong County (part)Area consisting of Plumcreek Township, South Bend Township, and Elderton BoroughWarren, PAWarren County (part)
10/4/13
Nonattainment.Area consisting of Conewango Township, Glade Township, Pleasant Township, and the City of WarrenAllegheny (part)

Unclassifiable.Remainder of CountyCambria County

Unclassifiable.Carbon-Schuylkill Area

Unclassifiable.Carbon CountySchuylkill CountyClearfield County

Unclassifiable.Lawrence County

Unclassifiable.Lehigh-Northampton Area

Unclassifiable.Lehigh CountyNorthampton CountyAdams County

Attainment/Unclassifiable.Armstrong County (part)

Attainment/Unclassifiable.Remainder of CountyBeaver County (part)

Attainment/Unclassifiable.Remainder of CountyBedford County

Attainment/Unclassifiable.Berks County

Attainment/Unclassifiable.Blair County

Attainment/Unclassifiable.Bradford County

Attainment/Unclassifiable.Bucks County

Attainment/Unclassifiable.Butler County

Attainment/Unclassifiable.Cameron County

Attainment/Unclassifiable.Centre County

Attainment/Unclassifiable.Chester County

Attainment/Unclassifiable.Clarion County

Attainment/Unclassifiable.Clinton County

Attainment/Unclassifiable.Columbia County

Attainment/Unclassifiable.( print page 1155)Crawford County

Attainment/Unclassifiable.Cumberland County

Attainment/Unclassifiable.Dauphin County

Attainment/Unclassifiable.Elk County

Attainment/Unclassifiable.Erie County

Attainment/Unclassifiable.Fayette County

Attainment/Unclassifiable.Forest County

Attainment/Unclassifiable.Franklin County

Attainment/Unclassifiable.Fulton County

Attainment/Unclassifiable.Greene County

Attainment/Unclassifiable.Huntingdon County

Attainment/Unclassifiable.Jefferson County

Attainment/Unclassifiable.Juniata County

Attainment/Unclassifiable.Lackawanna County

Attainment/Unclassifiable.Lancaster County

Attainment/Unclassifiable.Lebanon County

Attainment/Unclassifiable.Luzerne County

Attainment/Unclassifiable.Lycoming County

Attainment/Unclassifiable.McKean County

Attainment/Unclassifiable.Mercer County

Attainment/Unclassifiable.Mifflin County

Attainment/Unclassifiable.Monroe County

Attainment/Unclassifiable.Montgomery County

Attainment/Unclassifiable.Montour County

Attainment/Unclassifiable.Northumberland County

Attainment/Unclassifiable.Perry County

Attainment/Unclassifiable.Philadelphia-Delaware

Attainment/Unclassifiable.Delaware CountyPhiladelphia CountyPike County

Attainment/Unclassifiable.Potter County

Attainment/Unclassifiable.Snyder County

Attainment/Unclassifiable.Somerset County

Attainment/Unclassifiable.Sullivan County

Attainment/Unclassifiable.Susquehanna County

Attainment/Unclassifiable.Tioga County

Attainment/Unclassifiable.Union County

Attainment/Unclassifiable.Venango County

Attainment/Unclassifiable.Warren County (part)

Attainment/Unclassifiable.Remainder of CountyWashington County

Attainment/Unclassifiable.Wayne County

Attainment/Unclassifiable.Westmoreland County

Attainment/Unclassifiable.Wyoming 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 April 9, 2018, unless otherwise noted.3
                                     York County will be designated by December 31, 2020.
 41.Section 81.340 is amended by adding a table titled “Rhode Island —2010 Sulfur Dioxide NAAQS (Primary)” following the table titled “Rhode Island —1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.340
  
 Rhode Island—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeState of Rhode Island

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 April 9, 2018, unless otherwise noted.
 42.Section 81.341 is amended by adding a new table titled “South Carolina—2010 Sulfur Dioxide NAAQS (Primary)” following the table titled “South Carolina—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.341
  
 South Carolina—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeAbbeville County

Attainment/Unclassifiable.Aiken County

Attainment/Unclassifiable.Allendale County

Attainment/Unclassifiable.Anderson County

Attainment/Unclassifiable.Bamberg County

Attainment/Unclassifiable.Barnwell County

Attainment/Unclassifiable.Beaufort County

Attainment/Unclassifiable.Berkeley County

Attainment/Unclassifiable.Calhoun County

Attainment/Unclassifiable.Charleston County

Attainment/Unclassifiable.Cherokee County

Attainment/Unclassifiable.Chester County

Attainment/Unclassifiable.Chesterfield County

Attainment/Unclassifiable.Clarendon County

Attainment/Unclassifiable.Colleton County

Attainment/Unclassifiable.Darlington County

Attainment/Unclassifiable.Dillon County

Attainment/Unclassifiable.Dorchester County

Attainment/Unclassifiable.Edgefield County

Attainment/Unclassifiable.Fairfield County

Attainment/Unclassifiable.Florence County

Attainment/Unclassifiable.Georgetown County

Attainment/Unclassifiable.Greenville County

Attainment/Unclassifiable.Greenwood County

Attainment/Unclassifiable.Hampton County

Attainment/Unclassifiable.Horry County

Attainment/Unclassifiable.Jasper County

Attainment/Unclassifiable.Kershaw County

Attainment/Unclassifiable.Lancaster County

Attainment/Unclassifiable.Laurens County

Attainment/Unclassifiable.Lee County

Attainment/Unclassifiable.Lexington County

Attainment/Unclassifiable.Marion County

Attainment/Unclassifiable.Marlboro County

Attainment/Unclassifiable.McCormick County

Attainment/Unclassifiable.Newberry County

Attainment/Unclassifiable.Oconee County

Attainment/Unclassifiable.Orangeburg County

Attainment/Unclassifiable.Pickens County

Attainment/Unclassifiable.Richland County

Attainment/Unclassifiable.Saluda County

Attainment/Unclassifiable.Spartanburg County

Attainment/Unclassifiable.Sumter County

Attainment/Unclassifiable.Union County

Attainment/Unclassifiable.Williamsburg County

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 April 9, 2018, unless otherwise noted.
 43.Section 81.342 is amended by revising the table entitled “South Dakota—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.342
  
 South Dakota—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeStatewide:

Attainment/Unclassifiable.( print page 1157)Aurora CountyBeadle CountyBennett CountyBon Homme CountyBrookings CountyBrown CountyBrule CountyBuffalo CountyButte CountyCampbell CountyCharles Mix CountyClark CountyClay CountyCodington CountyCorson CountyCuster CountyDavison CountyDay CountyDeuel CountyDewey CountyDouglas CountyEdmunds CountyFall River CountyFaulk CountyGrant County
9/12/16
Attainment/Unclassifiable.Gregory CountyHaakon CountyHamlin CountyHand CountyHanson CountyHarding CountyHughes CountyHutchinson CountyHyde CountyJackson CountyJerauld CountyJones CountyKingsbury CountyLake CountyLawrence CountyLincoln CountyLyman CountyMcCook CountyMcPherson CountyMarshall CountyMeade CountyMellette CountyMiner CountyMinnehaha CountyMoody CountyOglala Lakota CountyPennington CountyPerkins CountyPotter CountyRoberts CountySanborn CountySpink CountyStanley CountySully CountyTodd CountyTripp CountyTurner CountyUnion CountyWalworth CountyYankton CountyZiebach County1
                                     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 April 9, 2018, unless otherwise noted.
 44.Section 81.343 is amended by revising the table entitled “Tennessee—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.343
  
 Tennessee—2010 Sulfur Dioxide NAAQS (Primary)
Designated area
DesignationDate 1
TypeSullivan County, TN 2
10/4/13
Nonattainment.Sullivan County (part)That portion of Sullivan County encompassing a circle having its center at the B-253 power house coordinates 36.5186 N; 82.5350 W and having a 3-kilometer radiusSumner County, TN 2
9/12/16
Unclassifiable.Sumner CountyRest of State: 3Anderson County

Attainment/Unclassifiable.Bedford County

Attainment/Unclassifiable.Benton County

Attainment/Unclassifiable.Bledsoe County

Attainment/Unclassifiable.Blount County

Attainment/Unclassifiable.Bradley County

Attainment/Unclassifiable.Campbell County

Attainment/Unclassifiable.Cannon County

Attainment/Unclassifiable.Carroll County

Attainment/Unclassifiable.Carter County

Attainment/Unclassifiable.Cheatham County

Attainment/Unclassifiable.Chester County

Attainment/Unclassifiable.Claiborne County

Attainment/Unclassifiable.Clay County

Attainment/Unclassifiable.Cocke County

Attainment/Unclassifiable.Coffee County

Attainment/Unclassifiable.Crockett County

Attainment/Unclassifiable.Cumberland County

Attainment/Unclassifiable.Davidson County

Attainment/Unclassifiable.Decatur County

Attainment/Unclassifiable.DeKalb County

Attainment/Unclassifiable.Dickson County

Attainment/Unclassifiable.Dyer County

Attainment/Unclassifiable.Fayette County

Attainment/Unclassifiable.Fentress County

Attainment/Unclassifiable.Franklin County

Attainment/Unclassifiable.Gibson County

Attainment/Unclassifiable.Giles County

Attainment/Unclassifiable.Grainger County

Attainment/Unclassifiable.Greene County

Attainment/Unclassifiable.Grundy County

Attainment/Unclassifiable.Hamblen County

Attainment/Unclassifiable.Hamilton County

Attainment/Unclassifiable.Hancock County

Attainment/Unclassifiable.Hardeman County

Attainment/Unclassifiable.Hardin County

Attainment/Unclassifiable.Hawkins County

Attainment/Unclassifiable.Haywood County

Attainment/Unclassifiable.Henderson County

Attainment/Unclassifiable.Henry County

Attainment/Unclassifiable.Hickman County

Attainment/Unclassifiable.Houston County

Attainment/Unclassifiable.Humphreys County

Attainment/Unclassifiable.Jackson County

Attainment/Unclassifiable.Jefferson County

Attainment/Unclassifiable.Johnson County

Attainment/Unclassifiable.Knox County

Attainment/Unclassifiable.Lake County

Attainment/Unclassifiable.Lauderdale County

Attainment/Unclassifiable.Lawrence County

Attainment/Unclassifiable.Lewis County

Attainment/Unclassifiable.Lincoln County

Attainment/Unclassifiable.Loudon County

Attainment/Unclassifiable.Macon County

Attainment/Unclassifiable.Madison County

Attainment/Unclassifiable.Marion County

Attainment/Unclassifiable.Marshall County

Attainment/Unclassifiable.Maury County

Attainment/Unclassifiable.McMinn County

Attainment/Unclassifiable.( print page 1159)McNairy County

Attainment/Unclassifiable.Meigs County

Attainment/Unclassifiable.Monroe County

Attainment/Unclassifiable.Montgomery County

Attainment/Unclassifiable.Moore County

Attainment/Unclassifiable.Morgan County

Attainment/Unclassifiable.Obion County

Attainment/Unclassifiable.Overton County

Attainment/Unclassifiable.Perry County

Attainment/Unclassifiable.Pickett County

Attainment/Unclassifiable.Polk County

Attainment/Unclassifiable.Putnam County

Attainment/Unclassifiable.Rhea County

Attainment/Unclassifiable.Roane County

Attainment/Unclassifiable.Robertson County

Attainment/Unclassifiable.Rutherford County

Attainment/Unclassifiable.Scott County

Attainment/Unclassifiable.Sequatchie County

Attainment/Unclassifiable.Sevier County

Attainment/Unclassifiable.Shelby County

Attainment/Unclassifiable.Smith County

Attainment/Unclassifiable.Stewart County

Attainment/Unclassifiable.Sullivan County (part) (remainder)

Attainment/Unclassifiable.Tipton County

Attainment/Unclassifiable.Trousdale County

Attainment/Unclassifiable.Unicoi County

Attainment/Unclassifiable.Union County

Attainment/Unclassifiable.Van Buren County

Attainment/Unclassifiable.Warren County

Attainment/Unclassifiable.Washington County

Attainment/Unclassifiable.Wayne County

Attainment/Unclassifiable.Weakley County

Attainment/Unclassifiable.White County

Attainment/Unclassifiable.Williamson County

Attainment/Unclassifiable.Wilson County

Attainment/Unclassifiable.1
                                     This date is April 9, 2018, unless otherwise noted.2
                                     Excludes Indian country located in each area, if any, unless otherwise specified.3
                                     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.
 45.Section 81.344 is amended by revising the table entitled “Texas—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.344
  
 Texas—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
                                         3
DesignationDate 2
TypeFreestone and Anderson Counties, TXFreestone County (part) and Anderson County (part)
1/12/17
Nonattainment.Those portions of Freestone and Anderson Counties encompassed by the rectangle with the vertices using Universal Traverse Mercator (UTM) coordinates in UTM zone 14 with datum NAD83 as follows: (1) Vertices—UTM Easting (m) 766752.69, UTM Northing (m) 3536333.0, (2) vertices—UTM Easting (m) 784752.69, UTM Northing (m) 3536333.0, (3) vertices—UTM Easting (m) 784752.69, UTM Northing (m) 3512333.0, (4) vertices—UTM Easting (m) 766752.69, UTM Northing (m) 3512333.0Rusk and Panola Counties, TXRusk County (part) and Panola County (part)
1/12/17
Nonattainment.( print page 1160)Those portions of Rusk and Panola Counties encompassed by the rectangle with the vertices using Universal Traverse Mercator (UTM) coordinates in UTM zone 15 with datum NAD83 as follows: (1) Vertices—UTM Easting (m) 340067.31, UTM Northing (m) 3575814.75 (2) vertices—UTM Easting (m) 356767.31, UTM Northing (m) 3575814.75 (3) vertices—UTM Easting (m) 356767.31, UTM Northing (m) 3564314.75 (4) vertices—UTM Easting (m) 340067.31, UTM Northing (m) 3564314.75Titus County (part)
1/12/17
Nonattainment.That portion of Titus County encompassed by the rectangle with the vertices using Universal Traverse Mercator (UTM) coordinates in UTM zone 15 with datum NAD83 as follows: (1) Vertices—UTM Easting (m) 304329.030, UTM Northing (m) 3666971.0, (2) vertices—UTM Easting (m) 311629.030, UTM Northing (m) 3666971.0, (3) vertices—UTM Easting (m) 311629.03, UTM Northing (m) 3661870.5, (4) vertices—UTM Easting (m) 304329.03, UTM Northing (m) 3661870.5Milam County, TX
1/12/17
Unclassifiable.Potter County, TX
9/12/16
Unclassifiable.Anderson County (part) (remainder)

Attainment/Unclassifiable.Andrews County

Attainment/Unclassifiable.Angelina County

Attainment/Unclassifiable.Aransas County

Attainment/Unclassifiable.Archer County

Attainment/Unclassifiable.Armstrong County

Attainment/Unclassifiable.Atascosa County
9/12/16
Attainment/Unclassifiable.Austin County

Attainment/Unclassifiable.Bailey County

Attainment/Unclassifiable.Bandera County

Attainment/Unclassifiable.Bastrop County

Attainment/Unclassifiable.Baylor County

Attainment/Unclassifiable.Bee County

Attainment/Unclassifiable.Bell County

Attainment/Unclassifiable.Blanco County

Attainment/Unclassifiable.Borden County

Attainment/Unclassifiable.Bosque County

Attainment/Unclassifiable.Bowie County

Attainment/Unclassifiable.Brazoria County

Attainment/Unclassifiable.Brazos County

Attainment/Unclassifiable.Brewster County

Attainment/Unclassifiable.Briscoe County

Attainment/Unclassifiable.Brooks County

Attainment/Unclassifiable.Brown County

Attainment/Unclassifiable.Burleson County

Attainment/Unclassifiable.Burnet County

Attainment/Unclassifiable.Caldwell County

Attainment/Unclassifiable.Calhoun County

Attainment/Unclassifiable.Callahan County

Attainment/Unclassifiable.Cameron County

Attainment/Unclassifiable.Camp County

Attainment/Unclassifiable.Carson County

Attainment/Unclassifiable.Cass County

Attainment/Unclassifiable.Castro County

Attainment/Unclassifiable.Chambers County

Attainment/Unclassifiable.Cherokee County

Attainment/Unclassifiable.Childress County

Attainment/Unclassifiable.Clay County

Attainment/Unclassifiable.Cochran County

Attainment/Unclassifiable.Coke County

Attainment/Unclassifiable.Coleman County

Attainment/Unclassifiable.Collin County

Attainment/Unclassifiable.Collingsworth County

Attainment/Unclassifiable.Colorado County

Attainment/Unclassifiable.Comal County

Attainment/Unclassifiable.Comanche County

Attainment/Unclassifiable.Concho County

Attainment/Unclassifiable.Cooke County

Attainment/Unclassifiable.Coryell County

Attainment/Unclassifiable.Cottle County

Attainment/Unclassifiable.Crane County

Attainment/Unclassifiable.Crockett County

Attainment/Unclassifiable.Crosby County

Attainment/Unclassifiable.( print page 1161)Culberson County

Attainment/Unclassifiable.Dallam County

Attainment/Unclassifiable.Dallas County

Attainment/Unclassifiable.Dawson County

Attainment/Unclassifiable.Deaf Smith County

Attainment/Unclassifiable.Delta County

Attainment/Unclassifiable.Denton County

Attainment/Unclassifiable.DeWitt County

Attainment/Unclassifiable.Dickens County

Attainment/Unclassifiable.Dimmit County

Attainment/Unclassifiable.Donley County

Attainment/Unclassifiable.Duval County

Attainment/Unclassifiable.Eastland County

Attainment/Unclassifiable.Ector County

Attainment/Unclassifiable.Edwards County

Attainment/Unclassifiable.El Paso County

Attainment/Unclassifiable.Ellis County

Attainment/Unclassifiable.Erath County

Attainment/Unclassifiable.Falls County

Attainment/Unclassifiable.Fannin County

Attainment/Unclassifiable.Fayette County

Attainment/Unclassifiable.Fisher County

Attainment/Unclassifiable.Floyd County

Attainment/Unclassifiable.Foard County

Attainment/Unclassifiable.Fort Bend County
9/12/16
Attainment/Unclassifiable.Franklin County

Attainment/Unclassifiable.Freestone County (part) (remainder)

Attainment/Unclassifiable.Frio County

Attainment/Unclassifiable.Gaines County

Attainment/Unclassifiable.Galveston County

Attainment/Unclassifiable.Garza County

Attainment/Unclassifiable.Gillespie County

Attainment/Unclassifiable.Glasscock County

Attainment/Unclassifiable.Goliad County
9/12/16
Attainment/Unclassifiable.Gonzales County

Attainment/Unclassifiable.Gray County

Attainment/Unclassifiable.Grayson County

Attainment/Unclassifiable.Gregg County

Attainment/Unclassifiable.Grimes County

Attainment/Unclassifiable.Guadalupe County

Attainment/Unclassifiable.Hale County

Attainment/Unclassifiable.Hall County

Attainment/Unclassifiable.Hamilton County

Attainment/Unclassifiable.Hansford County

Attainment/Unclassifiable.Hardeman County

Attainment/Unclassifiable.Hardin County

Attainment/Unclassifiable.Harris County

Attainment/Unclassifiable.Hartley County

Attainment/Unclassifiable.Haskell County

Attainment/Unclassifiable.Hays County

Attainment/Unclassifiable.Hemphill County

Attainment/Unclassifiable.Henderson County

Attainment/Unclassifiable.Hidalgo County

Attainment/Unclassifiable.Hill County

Attainment/Unclassifiable.Hockley County

Attainment/Unclassifiable.Hood County

Attainment/Unclassifiable.Hopkins County

Attainment/Unclassifiable.Houston County

Attainment/Unclassifiable.Hudspeth County

Attainment/Unclassifiable.Hunt County

Attainment/Unclassifiable.Irion County

Attainment/Unclassifiable.Jack County

Attainment/Unclassifiable.Jackson County

Attainment/Unclassifiable.Jasper County

Attainment/Unclassifiable.Jeff Davis County

Attainment/Unclassifiable.Jim Hogg County

Attainment/Unclassifiable.Jim Wells County

Attainment/Unclassifiable.Johnson County

Attainment/Unclassifiable.Jones County

Attainment/Unclassifiable.Karnes County

Attainment/Unclassifiable.( print page 1162)Kaufman County

Attainment/Unclassifiable.Kendall County

Attainment/Unclassifiable.Kenedy County

Attainment/Unclassifiable.Kent County

Attainment/Unclassifiable.Kerr County

Attainment/Unclassifiable.Kimble County

Attainment/Unclassifiable.King County

Attainment/Unclassifiable.Kinney County

Attainment/Unclassifiable.Kleberg County

Attainment/Unclassifiable.Knox County

Attainment/Unclassifiable.Lamar County

Attainment/Unclassifiable.Lamb County
9/12/16
Attainment/Unclassifiable.Lampasas County

Attainment/Unclassifiable.La Salle County

Attainment/Unclassifiable.Lavaca County

Attainment/Unclassifiable.Lee County

Attainment/Unclassifiable.Leon County

Attainment/Unclassifiable.Liberty County

Attainment/Unclassifiable.Limestone County
9/12/16
Attainment/Unclassifiable.Lipscomb County

Attainment/Unclassifiable.Live Oak County

Attainment/Unclassifiable.Llano County

Attainment/Unclassifiable.Loving County

Attainment/Unclassifiable.Lubbock County

Attainment/Unclassifiable.Lynn County

Attainment/Unclassifiable.McCulloch County

Attainment/Unclassifiable.McLennan County
9/12/16
Attainment/Unclassifiable.McMullen County

Attainment/Unclassifiable.Madison County

Attainment/Unclassifiable.Marion County

Attainment/Unclassifiable.Martin County

Attainment/Unclassifiable.Mason County

Attainment/Unclassifiable.Matagorda County

Attainment/Unclassifiable.Maverick County

Attainment/Unclassifiable.Medina County

Attainment/Unclassifiable.Menard County

Attainment/Unclassifiable.Midland County

Attainment/Unclassifiable.Mills County

Attainment/Unclassifiable.Mitchell County

Attainment/Unclassifiable.Montague County

Attainment/Unclassifiable.Montgomery County

Attainment/Unclassifiable.Moore County

Attainment/Unclassifiable.Morris County

Attainment/Unclassifiable.Motley County

Attainment/Unclassifiable.Nacogdoches County

Attainment/Unclassifiable.Newton County

Attainment/Unclassifiable.Nolan County

Attainment/Unclassifiable.Nueces County

Attainment/Unclassifiable.Ochiltree County

Attainment/Unclassifiable.Oldham County

Attainment/Unclassifiable.Panola County (part) (remainder)

Attainment/Unclassifiable.Palo Pinto County

Attainment/Unclassifiable.Parker County

Attainment/Unclassifiable.Parmer County

Attainment/Unclassifiable.Pecos County

Attainment/Unclassifiable.Polk County

Attainment/Unclassifiable.Presidio County

Attainment/Unclassifiable.Rains County

Attainment/Unclassifiable.Randall County

Attainment/Unclassifiable.Reagan County

Attainment/Unclassifiable.Real County

Attainment/Unclassifiable.Red River County

Attainment/Unclassifiable.Reeves County

Attainment/Unclassifiable.Refugio County

Attainment/Unclassifiable.Roberts County

Attainment/Unclassifiable.Robertson County
9/12/16
Attainment/Unclassifiable.Rockwall County

Attainment/Unclassifiable.Runnels County

Attainment/Unclassifiable.Rusk County (part) (remainder)

Attainment/Unclassifiable.Sabine County

Attainment/Unclassifiable.( print page 1163)San Augustine County

Attainment/Unclassifiable.San Jacinto

Attainment/Unclassifiable.San Patricio County

Attainment/Unclassifiable.San Saba County

Attainment/Unclassifiable.Schleicher County

Attainment/Unclassifiable.Scurry County

Attainment/Unclassifiable.Shackelford County

Attainment/Unclassifiable.Shelby County

Attainment/Unclassifiable.Sherman County

Attainment/Unclassifiable.Smith County

Attainment/Unclassifiable.Somervell County

Attainment/Unclassifiable.Starr County

Attainment/Unclassifiable.Stephens County

Attainment/Unclassifiable.Sterling County

Attainment/Unclassifiable.Stonewall County

Attainment/Unclassifiable.Sutton County

Attainment/Unclassifiable.Swisher County

Attainment/Unclassifiable.Tarrant County

Attainment/Unclassifiable.Taylor County

Attainment/Unclassifiable.Terrell County

Attainment/Unclassifiable.Terry County

Attainment/Unclassifiable.Throckmorton County

Attainment/Unclassifiable.Titus County (part)

Attainment/Unclassifiable.Tom Green County

Attainment/Unclassifiable.Travis County

Attainment/Unclassifiable.Trinity County

Attainment/Unclassifiable.Tyler County

Attainment/Unclassifiable.Upshur County

Attainment/Unclassifiable.Upton County

Attainment/Unclassifiable.Uvalde County

Attainment/Unclassifiable.Val Verde County

Attainment/Unclassifiable.Van Zandt County

Attainment/Unclassifiable.Victoria County

Attainment/Unclassifiable.Walker County

Attainment/Unclassifiable.Waller County

Attainment/Unclassifiable.Ward County

Attainment/Unclassifiable.Washington County

Attainment/Unclassifiable.Webb County

Attainment/Unclassifiable.Wharton County

Attainment/Unclassifiable.Wheeler County

Attainment/Unclassifiable.Wichita County

Attainment/Unclassifiable.Wilbarger County

Attainment/Unclassifiable.Willacy County

Attainment/Unclassifiable.Williamson County

Attainment/Unclassifiable.Wilson County

Attainment/Unclassifiable.Winkler County

Attainment/Unclassifiable.Wise County

Attainment/Unclassifiable.Wood County

Attainment/Unclassifiable.Yoakum County

Attainment/Unclassifiable.Young County

Attainment/Unclassifiable.Zapata County

Attainment/Unclassifiable.Zavala 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 April 9, 2018, unless otherwise noted.3
                                     Bexar, Harrison, Howard, Hutchinson, Jefferson, Navarro, and Orange Counties and the remaining portion of Titus County will be designated by December 31, 2020.
 46.Section 81.345 is amended by adding a table titled “Utah—2010 Sulfur Dioxide NAAQS (Primary)” following the table “Utah—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.345
  
 
 
 Utah—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeStatewide:Beaver County

Attainment/Unclassifiable.Box Elder County

Attainment/Unclassifiable.Cache County

Attainment/Unclassifiable.Carbon County

Attainment/Unclassifiable.Daggett County

Attainment/Unclassifiable.Davis County

Attainment/Unclassifiable.Duchesne County

Attainment/Unclassifiable.Emery County

Attainment/Unclassifiable.Garfield County

Attainment/Unclassifiable.Grand County

Attainment/Unclassifiable.Iron County

Attainment/Unclassifiable.Juab County

Attainment/Unclassifiable.Kane County

Attainment/Unclassifiable.Millard County

Attainment/Unclassifiable.Morgan County

Attainment/Unclassifiable.Piute County

Attainment/Unclassifiable.Rich County

Attainment/Unclassifiable.Salt Lake County

Attainment/Unclassifiable.San Juan County

Attainment/Unclassifiable.Sanpete County

Attainment/Unclassifiable.Sevier County

Attainment/Unclassifiable.Summit County

Attainment/Unclassifiable.Tooele County

Attainment/Unclassifiable.Uintah County

Attainment/Unclassifiable.Utah County

Attainment/Unclassifiable.Wasatch County

Attainment/Unclassifiable.Washington County

Attainment/Unclassifiable.Wayne County

Attainment/Unclassifiable.Weber 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. The lands of the Navajo Nation, including those lands located geographically within Utah, are excluded, as they are separately designated under Section 81.303.2
                                     This date is April 9, 2018, unless otherwise noted.
 47.Section 81.346 is amended by adding a table titled “Vermont—2010 Sulfur Dioxide NAAQS (Primary)” following the table “Vermont—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.346
  
 Vermont—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeStatewide:Addison

Attainment/Unclassifiable.Bennington

Attainment/Unclassifiable.Caledonia

Attainment/Unclassifiable.Chittenden

Attainment/Unclassifiable.Essex

Attainment/Unclassifiable.Franklin

Attainment/Unclassifiable.Grand Isle

Attainment/Unclassifiable.Lamoille

Attainment/Unclassifiable.Orange

Attainment/Unclassifiable.Orleans

Attainment/Unclassifiable.Rutland

Attainment/Unclassifiable.Washington

Attainment/Unclassifiable.Windham

Attainment/Unclassifiable.Windsor

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 April 9, 2018, unless otherwise noted.
 48.Section 81.347 is amended by adding a table titled “Virginia—2010 Sulfur Dioxide NAAQS (Primary)” following the table “Virginia—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.347
  
 Virginia—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 
                                        1 3
DesignationDate 
                                        2
TypeBuchanan County

Unclassifiable.Accomack County

Attainment/Unclassifiable.Albemarle County

Attainment/Unclassifiable.Amelia County

Attainment/Unclassifiable.Amherst County

Attainment/Unclassifiable.Appomattox County

Attainment/Unclassifiable.Arlington County

Attainment/Unclassifiable.Augusta County

Attainment/Unclassifiable.Bath County

Attainment/Unclassifiable.Bedford County

Attainment/Unclassifiable.Bland County

Attainment/Unclassifiable.Brunswick County

Attainment/Unclassifiable.Buckingham County

Attainment/Unclassifiable.Campbell County

Attainment/Unclassifiable.Caroline County

Attainment/Unclassifiable.Carroll County

Attainment/Unclassifiable.Charles City County

Attainment/Unclassifiable.Charlotte County

Attainment/Unclassifiable.Chesterfield County

Attainment/Unclassifiable.City of Alexandria

Attainment/Unclassifiable.City of Bedford

Attainment/Unclassifiable.City of Bristol

Attainment/Unclassifiable.City of Buena Vista

Attainment/Unclassifiable.City of Charlottesville

Attainment/Unclassifiable.City of Chesapeake

Attainment/Unclassifiable.City of Colonial Heights

Attainment/Unclassifiable.City of Danville

Attainment/Unclassifiable.City of Emporia

Attainment/Unclassifiable.City of Fairfax

Attainment/Unclassifiable.City of Falls Church

Attainment/Unclassifiable.City of Franklin

Attainment/Unclassifiable.City of Fredericksburg

Attainment/Unclassifiable.City of Galax

Attainment/Unclassifiable.City of Hampton

Attainment/Unclassifiable.City of Harrisonburg

Attainment/Unclassifiable.City of Hopewell

Attainment/Unclassifiable.City of Lexington

Attainment/Unclassifiable.City of Lynchburg

Attainment/Unclassifiable.City of Manassas

Attainment/Unclassifiable.City of Manassas Park

Attainment/Unclassifiable.City of Martinsville

Attainment/Unclassifiable.City of Newport News

Attainment/Unclassifiable.City of Norfolk

Attainment/Unclassifiable.City of Norton

Attainment/Unclassifiable.City of Petersburg

Attainment/Unclassifiable.City of Poquoson

Attainment/Unclassifiable.City of Portsmouth

Attainment/Unclassifiable.City of Radford

Attainment/Unclassifiable.City of Richmond

Attainment/Unclassifiable.City of Roanoke

Attainment/Unclassifiable.City of Salem

Attainment/Unclassifiable.City of Staunton

Attainment/Unclassifiable.City of Suffolk

Attainment/Unclassifiable.City of Virginia Beach

Attainment/Unclassifiable.City of Waynesboro

Attainment/Unclassifiable.City of Williamsburg

Attainment/Unclassifiable.City of Winchester

Attainment/Unclassifiable.Clarke County

Attainment/Unclassifiable.Craig County

Attainment/Unclassifiable.Culpeper County

Attainment/Unclassifiable.Cumberland County

Attainment/Unclassifiable.Dickenson County

Attainment/Unclassifiable.Dinwiddie County

Attainment/Unclassifiable.Essex County

Attainment/Unclassifiable.Fairfax County

Attainment/Unclassifiable.( print page 1166)Fauquier County

Attainment/Unclassifiable.Floyd County

Attainment/Unclassifiable.Fluvanna County

Attainment/Unclassifiable.Franklin County

Attainment/Unclassifiable.Frederick County

Attainment/Unclassifiable.Gloucester County

Attainment/Unclassifiable.Goochland County

Attainment/Unclassifiable.Grayson County

Attainment/Unclassifiable.Greene County

Attainment/Unclassifiable.Greensville County

Attainment/Unclassifiable.Halifax County

Attainment/Unclassifiable.Hanover County

Attainment/Unclassifiable.Henrico County

Attainment/Unclassifiable.Henry County

Attainment/Unclassifiable.Highland County

Attainment/Unclassifiable.Isle of Wight County

Attainment/Unclassifiable.James City County

Attainment/Unclassifiable.King and Queen County

Attainment/Unclassifiable.King George County

Attainment/Unclassifiable.King William County

Attainment/Unclassifiable.Lancaster County

Attainment/Unclassifiable.Lee County

Attainment/Unclassifiable.Loudoun County

Attainment/Unclassifiable.Louisa County

Attainment/Unclassifiable.Lunenburg County

Attainment/Unclassifiable.Madison County

Attainment/Unclassifiable.Mathews County

Attainment/Unclassifiable.Mecklenburg County

Attainment/Unclassifiable.Middlesex County

Attainment/Unclassifiable.Montgomery County

Attainment/Unclassifiable.Nelson County

Attainment/Unclassifiable.New Kent County

Attainment/Unclassifiable.Northampton County

Attainment/Unclassifiable.Northumberland County

Attainment/Unclassifiable.Nottoway County

Attainment/Unclassifiable.Orange County

Attainment/Unclassifiable.Page County

Attainment/Unclassifiable.Patrick County

Attainment/Unclassifiable.Pittsylvania County

Attainment/Unclassifiable.Powhatan County

Attainment/Unclassifiable.Prince Edward County

Attainment/Unclassifiable.Prince George County

Attainment/Unclassifiable.Prince William County

Attainment/Unclassifiable.Pulaski County

Attainment/Unclassifiable.Rappahannock County

Attainment/Unclassifiable.Richmond County

Attainment/Unclassifiable.Roanoke County

Attainment/Unclassifiable.Rockbridge County

Attainment/Unclassifiable.Rockingham County

Attainment/Unclassifiable.Russell County

Attainment/Unclassifiable.Scott County

Attainment/Unclassifiable.Shenandoah County

Attainment/Unclassifiable.Smyth County

Attainment/Unclassifiable.Southampton County

Attainment/Unclassifiable.Spotsylvania County

Attainment/Unclassifiable.Stafford County

Attainment/Unclassifiable.Surry County

Attainment/Unclassifiable.Sussex County

Attainment/Unclassifiable.Tazewell County

Attainment/Unclassifiable.Warren County

Attainment/Unclassifiable.Washington County

Attainment/Unclassifiable.Westmoreland County

Attainment/Unclassifiable.Wise County

Attainment/Unclassifiable.Wythe County

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 April 9, 2018, unless otherwise noted.3
                                     Alleghany, Botetourt, Covington City, and Giles Counties will be designated by December 31, 2020.
 49.Section 81.348 is amended by adding a table titled “Washington—2010 Sulfur Dioxide NAAQS (Primary)” following the table “Washington—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.348
  
 Washington—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 
                                        1
DesignationDate 
                                        2
TypeLewis County

Unclassifiable.Thurston County

Unclassifiable.Rest of State: 3Adams

Attainment/Unclassifiable.Asotin

Attainment/Unclassifiable.Benton

Attainment/Unclassifiable.Clallam

Attainment/Unclassifiable.Clark

Attainment/Unclassifiable.Columbia

Attainment/Unclassifiable.Cowlitz

Attainment/Unclassifiable.Ferry

Attainment/Unclassifiable.Franklin

Attainment/Unclassifiable.Garfield

Attainment/Unclassifiable.Grant

Attainment/Unclassifiable.Grays Harbor

Attainment/Unclassifiable.Island

Attainment/Unclassifiable.Jefferson

Attainment/Unclassifiable.King

Attainment/Unclassifiable.Kitsap

Attainment/Unclassifiable.Kittitas

Attainment/Unclassifiable.Klickitat

Attainment/Unclassifiable.Lincoln

Attainment/Unclassifiable.Mason

Attainment/Unclassifiable.Okanogan

Attainment/Unclassifiable.Pacific

Attainment/Unclassifiable.Pend Oreille

Attainment/Unclassifiable.Pierce

Attainment/Unclassifiable.San Juan

Attainment/Unclassifiable.Skagit

Attainment/Unclassifiable.Skamania

Attainment/Unclassifiable.Snohomish

Attainment/Unclassifiable.Spokane

Attainment/Unclassifiable.Stevens

Attainment/Unclassifiable.Wahkiakum

Attainment/Unclassifiable.Walla Walla

Attainment/Unclassifiable.Whitman

Attainment/Unclassifiable.Yakima

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 April 9, 2018, unless otherwise noted.3
                                     Chelan, Douglas, and Whatcom Counties will be designated by December 31, 2020.
 50.Section 81.349 is amended by revising the table entitled “West Virginia—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.349
  
 West Virginia—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 
                                        1 3
DesignationDate 
                                        2
TypeSteubenville, OH-WVBrooke County (part)
10/4/13
Nonattainment.Area bounded by the Cross Creek Tax District.Marshall, WVMarshall County (part)
10/4/13
Nonattainment.Area consisting of Clay Tax District, Franklin Tax District, and Washington Tax District.Wood County

Unclassifiable.Barbour County

Attainment/Unclassifiable.Berkeley County

Attainment/Unclassifiable.( print page 1168)Boone County

Attainment/Unclassifiable.Braxton County

Attainment/Unclassifiable.Brooke County (part)

Attainment/Unclassifiable.Area consisting of Buffalo Tax District.Cabell County

Attainment/Unclassifiable.Calhoun County

Attainment/Unclassifiable.Clay County

Attainment/Unclassifiable.Doddridge County

Attainment/Unclassifiable.Fayette County

Attainment/Unclassifiable.Gilmer County

Attainment/Unclassifiable.Grant County

Attainment/Unclassifiable.Greenbrier County

Attainment/Unclassifiable.Hampshire County

Attainment/Unclassifiable.Hancock County

Attainment/Unclassifiable.Hardy County

Attainment/Unclassifiable.Harrison County

Attainment/Unclassifiable.Jackson County

Attainment/Unclassifiable.Jefferson County

Attainment/Unclassifiable.Kanawha County

Attainment/Unclassifiable.Lewis County

Attainment/Unclassifiable.Lincoln County

Attainment/Unclassifiable.Logan County

Attainment/Unclassifiable.Marion County

Attainment/Unclassifiable.Marshall County (part)

Attainment/Unclassifiable.Area consisting of Cameron Tax District, Liberty Tax District, Meade Tax District, Sand Hill Tax District, Union Tax District, and Webster Tax District.Mason County

Attainment/Unclassifiable.McDowell County

Attainment/Unclassifiable.Mercer County

Attainment/Unclassifiable.Mingo County

Attainment/Unclassifiable.Monongalia County

Attainment/Unclassifiable.Monroe County

Attainment/Unclassifiable.Morgan County

Attainment/Unclassifiable.Nicholas County

Attainment/Unclassifiable.Ohio County

Attainment/Unclassifiable.Pendleton County

Attainment/Unclassifiable.Pleasants County

Attainment/Unclassifiable.Pocahontas County

Attainment/Unclassifiable.Preston County

Attainment/Unclassifiable.Putnam County

Attainment/Unclassifiable.Raleigh County

Attainment/Unclassifiable.Randolph County

Attainment/Unclassifiable.Ritchie County

Attainment/Unclassifiable.Roane County

Attainment/Unclassifiable.Summers County

Attainment/Unclassifiable.Taylor County

Attainment/Unclassifiable.Tucker County

Attainment/Unclassifiable.Tyler County

Attainment/Unclassifiable.Upshur County

Attainment/Unclassifiable.Wayne County

Attainment/Unclassifiable.Webster County

Attainment/Unclassifiable.Wetzel County

Attainment/Unclassifiable.Wirt County

Attainment/Unclassifiable.Wyoming 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 April 9, 2018, unless otherwise noted.3
                                     Mineral County will be designated by December 31, 2020.
 51.Section 81.350 is amended by revising the table entitled “Wisconsin—2010 Sulfur Dioxide NAAQS (Primary)” to read as follows: § 81.350
  
 
 
 Wisconsin—2010 Sulfur Dioxide NAAQS (Primary)
Designated Area 
                                        1 4
DesignationDate 
                                        2
TypeRhinelander, WI
10/4/13
Nonattainment.Oneida County (part)City of Rhinelander, Crescent Town, Newbold Town, Pine Lake Town, and Pelican Town.Columbia County, WI
9/12/16
Attainment/Unclassifiable.Columbia CountyAdams County

Attainment/Unclassifiable.Ashland County

Attainment/Unclassifiable.Barron County

Attainment/Unclassifiable.Bayfield County

Attainment/Unclassifiable.Brown County

Attainment/Unclassifiable.Buffalo County

Attainment/Unclassifiable.Burnett County

Attainment/Unclassifiable.Calment County

Attainment/Unclassifiable.Chippewa County

Attainment/Unclassifiable.Clark County

Attainment/Unclassifiable.Crawford County

Attainment/Unclassifiable.Dane County

Attainment/Unclassifiable.Dodge County

Attainment/Unclassifiable.Door County

Attainment/Unclassifiable.Douglas County

Attainment/Unclassifiable.Dunn County

Attainment/Unclassifiable.Eau Claire County

Attainment/Unclassifiable.Florence County

Attainment/Unclassifiable.Fond du Lac County

Attainment/Unclassifiable.Forest County

Attainment/Unclassifiable.Grant County

Attainment/Unclassifiable.Green County

Attainment/Unclassifiable.Green Lake County

Attainment/Unclassifiable.Iowa County

Attainment/Unclassifiable.Iron County

Attainment/Unclassifiable.Jackson County

Attainment/Unclassifiable.Jefferson County

Attainment/Unclassifiable.Juneau County

Attainment/Unclassifiable.Kenosha County

Attainment/Unclassifiable.Kewaunee County

Attainment/Unclassifiable.La Crosse County

Attainment/Unclassifiable.Lafayette County

Attainment/Unclassifiable.Langlade County

Attainment/Unclassifiable.Lincoln County

Attainment/Unclassifiable.Manitowoc County

Attainment/Unclassifiable.Marathon County

Attainment/Unclassifiable.Marinette County

Attainment/Unclassifiable.Marquette County

Attainment/Unclassifiable.Menominee County

Attainment/Unclassifiable.Milwaukee County

Attainment/Unclassifiable.Monroe County

Attainment/Unclassifiable.Oconto County

Attainment/Unclassifiable.Oneida County

Attainment/Unclassifiable.Ozaukee County

Attainment/Unclassifiable.Pepin County

Attainment/Unclassifiable.Pierce County

Attainment/Unclassifiable.Polk County

Attainment/Unclassifiable.Portage County

Attainment/Unclassifiable.Price County

Attainment/Unclassifiable.Racine County

Attainment/Unclassifiable.Richland County

Attainment/Unclassifiable.Rock County

Attainment/Unclassifiable.Rusk County

Attainment/Unclassifiable.St. Croix County

Attainment/Unclassifiable.Sauk County

Attainment/Unclassifiable.Sawyer County

Attainment/Unclassifiable.Shawano County

Attainment/Unclassifiable.Sheboygan County

Attainment/Unclassifiable.Taylor County

Attainment/Unclassifiable.Trempealeau County

Attainment/Unclassifiable.Vernon County

Attainment/Unclassifiable.Vilas County

Attainment/Unclassifiable.Walworth County

Attainment/Unclassifiable.Washburn County

Attainment/Unclassifiable.( print page 1170)Washington County

Attainment/Unclassifiable.Waukesha County

Attainment/Unclassifiable.Waupaca County

Attainment/Unclassifiable.Waushara County

Attainment/Unclassifiable.Winnebago County

Attainment/Unclassifiable.Wood County

Attainment/Unclassifiable.Forest County Potawatomi Community Indian Tribe 3

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 April 9, 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 intended 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.4
                                     Outagamie County will be designated by December 31, 2020.
 52.Section 81.351 is amended by adding a table titled “Wyoming—2010 Sulfur Dioxide NAAQS (Primary)” following the table “Wyoming—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.351
  
 Wyoming—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 
                                        1 2
DesignationDate 
                                        3
TypeAlbany County

Attainment/Unclassifiable.Big Horn County

Attainment/Unclassifiable.Campbell County

Attainment/Unclassifiable.Crook County

Attainment/Unclassifiable.Fremont County (part)

Attainment/Unclassifiable.All areas west of the western border of Township 40North-Range 93West, T39N-R93W, and T38N-R93W, and south of US Route 20.Goshen County

Attainment/Unclassifiable.Hot Springs County

Attainment/Unclassifiable.Johnson County

Attainment/Unclassifiable.Lincoln County

Attainment/Unclassifiable.Natrona County

Attainment/Unclassifiable.Niobrara County

Attainment/Unclassifiable.Park County

Attainment/Unclassifiable.Platte County

Attainment/Unclassifiable.Sheridan County

Attainment/Unclassifiable.Sublette County

Attainment/Unclassifiable.Sweetwater County (part)

Attainment/Unclassifiable.All areas of the county east of US Route 191.Teton County

Attainment/Unclassifiable.Uinta County

Attainment/Unclassifiable.Washakie County

Attainment/Unclassifiable.Weston 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
                                     Carbon and Converse Counties, and the remaining portions of Fremont and Sweetwater Counties, all which will be designated by December 31, 2020.3
                                     This date is April 9, 2018, unless otherwise noted.
 53.Section 81.352 is amended by adding a table titled “American Samoa—2010 Sulfur Dioxide NAAQS (Primary)” following the table “American Samoa—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.352
  
 
 
 American Samoa—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 
                                        1
DesignationDate 
                                        2
TypeTerritory Wide

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 April 9, 2018, unless otherwise noted.
 54.Section 81.353 is amended by adding a table titled “Guam—2010 Sulfur Dioxide NAAQS (Primary)” following the table “Guam—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.353
  
 Guam—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 
                                        1
DesignationDate 
                                        2
TypePiti-Cabras

Nonattainment.The portion of Guam within a 6.074-km radius centered on UTM Easting 249,601.60 m, and UTM Northing 1,489,602.00 m (UTM Zone 55N).Rest of Territory

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 April 9, 2018, unless otherwise noted.
 55.Section 81.354 is amended by adding a table titled “Northern Mariana Islands—2010 Sulfur Dioxide NAAQS (Primary)” following the table “Northern Mariana Islands—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.354
  
 Northern Mariana Islands—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 
                                        1
DesignationDate 
                                        2
TypeTerritory Wide

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 April 9, 2018, unless otherwise noted.
 56.Section 81.355 is amended by adding a table titled “Puerto Rico—2010 Sulfur Dioxide NAAQS (Primary)” following the table “Puerto Rico—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.355
  
 Puerto Rico—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 
                                        1
DesignationDate 
                                        2
TypeSan Juan, PR:Cataño Municipality

Nonattainment.Toa Baja Municipality (part)

Nonattainment.Palo Seco Ward.Sabana Seca Ward.San Juan Municipality (part)

Nonattainment.San Juan Antiguo Ward.Santurce Ward.Hato Rey Norte Ward.Gobernador Pinero Ward.Guaynabo Municipality (part)

Nonattainment.( print page 1172)Pueblo Viejo Ward.Bayamón Municipality (part)

Nonattainment.Juan Sánchez Ward.Guayama-Salinas, PR:Salinas Municipality (part)

Nonattainment.Aguirre Ward.Lapa Ward.Rest of Territory

Attainment/Unclassifiable.1
                                     Includes any Indian country in each county or area, unless otherwise specified. The 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 April 9, 2018, unless otherwise noted.
 57.Section 81.356 is amended by adding a table entitled “Virgin Islands—2010 Sulfur Dioxide NAAQS (Primary)” following the table “Virgin Islands—1971 Sulfur Dioxide NAAQS (Primary and Secondary)” to read as follows: § 81.356
  
 Virgin Islands—2010 Sulfur Dioxide NAAQS (Primary)
Designated area 1
DesignationDate 2
TypeAll of Virgin Islands AQCR 247

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 April 9, 2018, unless otherwise noted.


# Footnotes

1.
    
                             A total of 29 areas throughout the U.S. were designated in this action published on August 5, 2013 (78 FR 47191). The EPA designated all 29 areas Nonattainment based on violating monitored SO2
                             concentrations from Federal Reference Method and Federal Equivalent Method monitors that are sited and operated in accordance with 40 CFR parts 50 and 58, and did not at that time designate any other areas. Back to Citation
 2.
    
                             A total of 65 areas throughout the U.S. were designated in these actions published on July 12, 2016 (81 FR 45039), and December 13, 2016 (81 FR 89870). Of these 65 areas, seven were designated Nonattainment. Back to Citation
 3.
    
                             
                            *Sierra Club*
                             v. 
                            *McCarthy,*
                             No. 3-13-cv-3953 (SI) (N.D. Cal. Mar. 2, 2015). Back to Citation
 4.
    
                             40 CFR part 51, subpart BB (80 FR 51052; August 21, 2015). Back to Citation
 5.
    
                             This view was confirmed in 
                            *Catawba County*
                             v. 
                            *EPA,*
                             571 F.3d 20 (D.C. Cir. 2009). Back to Citation
 6.
    
                             Tribes are invited to submit recommendations following promulgation of a new or revised NAAQS, but are not required to do so. Back to Citation
 7.
    
                             
                            *See,*
                             “Area Designations for the 2010 Revised Primary Sulfur Dioxide National Ambient Air Quality Standards,” memorandum to Regional Air Division Directors, Regions I-X, from Stephen D. Page, dated March 24, 2011. Back to Citation
 8.
    
                             
                            *See,*
                             “Updated Guidance for Area Designations for the 2010 Primary Sulfur Dioxide National Ambient Air Quality Standard,” memorandum to Regional Air Division Directors, Regions I-X, from Stephen D. Page, dated March 20, 2015. Back to Citation
 9.
    
                             The EPA supplemented this guidance with documents first made available to states and other interested parties in 2013 and updated in 2016. 
                            *See*
                             SO2
                             NAAQS Designations Source-Oriented Monitoring Technical Assistance Document (February 2016), available at 
                            *https://www.epa.gov/​sites/​production/​files/​2016-06/​documents/​so2monitoringtad.pdf,*
                             and SO2
                             NAAQS Designations Modeling Technical Assistance Document (August 2016), available at 
                            *https://www.epa.gov/​sites/​production/​files/​2016-06/​documents/​so2modelingtad.pdf*. Back to Citation
 10.
    
                             
                            *See*
                             “Clarification on the AERMOD Modeling System Version for Use in SO2
                             Implementation Efforts and Other Regulatory Actions,” memorandum to EPA Regional Air Division Directors from Richard A. Wayland, dated March 8, 2017. This memo is available at 
                            *https://www3.epa.gov/​ttn/​scram/​guidance/​clarification/​SO2_​DRR_​Designation_​Modeling_​Clarification_​Memo-03082017.pdf*. Back to Citation
 11.
    
                             The single final TSD for this action consists of a few sections with information that applies to all affected areas or to certain groups of areas with 
                            
                            some common features, and many sections that are specific to individual states, territories, or tribal areas. For convenience, the term “TSD” is also used generically to refer to these state/territory/tribe-specific sections. For informational purposes, these individual state/territory/tribe-specific sections/TSDs are available for separate downloading from the indicated EPA website. Back to Citation
 12.
    
                             These communication letters to the tribes are provided in the dockets for Round 1 (Docket ID No. EPA-HQ-OAR-2012-0233 and Round 2 (Docket ID No. EPA-HQ-OAR-2014-0464). Back to Citation


[FR Doc. 2017-28423 Filed 1-8-18; 8:45 am] BILLING CODE 6560-50-P