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Federal Register Notices Related to 8-Hour Ozone (2015) Designations and Classifications

Data is current as of November 30, 2022
Ordered by Area Name

Click on the 'FR' link to view the Federal Register Notice
ALLEGAN COUNTY, MI
MICHIGAN
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
AMADOR COUNTY, CA
CALIFORNIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Clean Data Determination/Attainment Determination   
  10/07/2022      87 FR 60897   Final Approval   Clean Data Determination/Attainment Determination   
ATLANTA, GA
GEORGIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Clean Data Determination/Attainment Determination   
  08/26/2022      87 FR 52487   Proposed Approval   Redesignation to Maintenance   
  10/07/2022      87 FR 60897   Final Approval   Clean Data Determination/Attainment Determination   
BALTIMORE, MD
MARYLAND
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
BERRIEN COUNTY, MI
MICHIGAN
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  05/19/2020      85 FR 29895   Proposed Approval   Redesignation to Maintenance   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
BUTTE COUNTY, CA
CALIFORNIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  07/14/2022      87 FR 42126   Proposed Approval   Clean Data Determination/Attainment Determination   
  10/20/2022      87 FR 63698   Final Approval   Clean Data Determination/Attainment Determination   
CALAVERAS COUNTY, CA
CALIFORNIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  07/14/2022      87 FR 42126   Proposed Approval   Clean Data Determination/Attainment Determination   
  10/20/2022      87 FR 63698   Final Approval   Clean Data Determination/Attainment Determination   
CHICAGO, IL-IN-WI
ILLINOIS
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  06/14/2021      86 FR 31438   Final Approval   Boundary Change   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
INDIANA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  06/14/2021      86 FR 31438   Final Approval   Boundary Change   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
WISCONSIN
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  06/14/2021      86 FR 31438   Final Approval   Boundary Change   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
CINCINNATI, OH-KY
KENTUCKY
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
OHIO
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  02/11/2022      87 FR 7978   Proposed Approval   Redesignation to Maintenance   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  06/09/2022      87 FR 35104   Final Approval   Redesignation to Maintenance   
CLEVELAND, OH
OHIO
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
COLUMBUS, OH
OHIO
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  07/03/2019      84 FR 31814   Proposed Approval   Redesignation to Maintenance   
  08/21/2019      84 FR 43508   Final Approval   Redesignation to Maintenance   
DALLAS-FORT WORTH, TX
TEXAS
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
DENVER METRO/NORTH FRONT RANGE, CO
COLORADO
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  06/14/2021      86 FR 31460   Proposed Approval   Boundary Change   
  11/30/2021      86 FR 67864   Final Approval   Boundary Change   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
DETROIT, MI
MICHIGAN
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  03/14/2022      87 FR 14210   Proposed Approval   Redesignation to Maintenance   
  04/04/2022      87 FR 19414   Proposed Approval   Extension of Comment Period   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
DOOR COUNTY, WI
WISCONSIN
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  03/13/2020      85 FR 14608   Proposed Approval   Redesignation to Maintenance   
  06/10/2020      85 FR 35377   Final Approval   Redesignation to Maintenance   
DOOR COUNTY-REVISED, WI
WISCONSIN
  06/14/2021      86 FR 31438   Final Approval   Designation to Nonattainment   
  03/03/2022      87 FR 12020   Proposed Approval   Redesignation to Maintenance   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  04/29/2022      87 FR 25410   Final Approval   Redesignation to Maintenance   
EL PASO-LAS CRUCES, TX-NM
NEW MEXICO
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  06/14/2021      86 FR 31460   Proposed Approval   Boundary Change   
  11/30/2021      86 FR 67864   Final Approval   Boundary Change   
TEXAS
  06/14/2021      86 FR 31460   Proposed Approval   Boundary Change   
  11/30/2021      86 FR 67864   Final Approval   Boundary Change   
GREATER CONNECTICUT, CT
CONNECTICUT
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
HOUSTON-GALVESTON-BRAZORIA, TX
TEXAS
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
IMPERIAL COUNTY, CA
CALIFORNIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  08/15/2022      87 FR 50030   Proposed Approval   179B Determination   
  10/20/2022      87 FR 63701   Final Approval   179B Determination   
KERN COUNTY (EASTERN KERN), CA
CALIFORNIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  08/13/2021      86 FR 44677   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  10/28/2021      86 FR 59648   Final Approval   Change to a Higher Classification (Bump-Ups)   
LAS VEGAS, NV
NEVADA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  07/22/2022      87 FR 43764   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  07/22/2022      87 FR 43764   Proposed Approval   Failure to Attain by Attainment Date   
LOS ANGELES-SAN BERNARDINO COUNTIES (WEST MOJAVE DESERT), CA
CALIFORNIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
LOS ANGELES-SOUTH COAST AIR BASIN, CA
CALIFORNIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
LOUISVILLE, KY-IN
INDIANA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  05/18/2022      87 FR 30129   Proposed Approval   Redesignation to Maintenance   
  07/05/2022      87 FR 39750   Final Approval   Redesignation to Maintenance   
KENTUCKY
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
MANITOWOC COUNTY, WI
CALIFORNIA
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
WISCONSIN
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  06/14/2021      86 FR 31438   Final Approval   Boundary Change   
  02/01/2022      87 FR 5438   Proposed Approval   Redesignation to Maintenance   
  03/31/2022      87 FR 18702   Final Approval   Redesignation to Maintenance   
  04/13/2022      87 FR 21842   Proposed Approval   Clean Data Determination/Attainment Determination   
MARIPOSA COUNTY, CA
CALIFORNIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
MILWAUKEE, WI
WISCONSIN
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  06/14/2021      86 FR 31438   Final Approval   Boundary Change   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
MORONGO BAND OF MISSION INDIANS, CA
CALIFORNIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
MUSKEGON COUNTY, MI
MICHIGAN
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
NEVADA COUNTY (WESTERN PART), CA
CALIFORNIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  08/13/2021      86 FR 44677   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  10/28/2021      86 FR 59648   Final Approval   Change to a Higher Classification (Bump-Ups)   
NEW YORK-NORTHERN NEW JERSEY-LONG ISLAND, NY-NJ-CT
CONNECTICUT
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
NEW JERSEY
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
NEW YORK
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
NORTHERN WASATCH FRONT, UT
UTAH
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
PECHANGA BAND OF LUISENO MISSION INDIANS OF THE PECHANGA RESERVATION, CA
CALIFORNIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
PHILADELPHIA-WILMINGTON-ATLANTIC CITY, PA-NJ-MD-DE
DELAWARE
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
MARYLAND
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
NEW JERSEY
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
PENNSYLVANIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
PHOENIX-MESA, AZ
ARIZONA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
RIVERSIDE COUNTY (COACHELLA VALLEY), CA
CALIFORNIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
SACRAMENTO METRO, CA
CALIFORNIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  08/13/2021      86 FR 44677   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  10/28/2021      86 FR 59648   Final Approval   Change to a Higher Classification (Bump-Ups)   
SAN ANTONIO, TX
TEXAS
  07/25/2018      83 FR 35136   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
SAN DIEGO COUNTY, CA
CALIFORNIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/08/2021      86 FR 18227   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  06/02/2021      86 FR 29522   Final Approval   Change to a Higher Classification (Bump-Ups)   
SAN FRANCISCO BAY AREA, CA
CALIFORNIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Clean Data Determination/Attainment Determination   
  10/07/2022      87 FR 60897   Final Approval   Clean Data Determination/Attainment Determination   
SAN JOAQUIN VALLEY, CA
CALIFORNIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
SAN LUIS OBISPO (EASTERN PART), CA
CALIFORNIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  07/14/2022      87 FR 42126   Proposed Approval   Clean Data Determination/Attainment Determination   
  10/20/2022      87 FR 63698   Final Approval   Clean Data Determination/Attainment Determination   
SHEBOYGAN COUNTY, WI
WISCONSIN
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  06/14/2021      86 FR 31438   Final Approval   Boundary Change   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
SOUTHERN WASATCH FRONT, UT
UTAH
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Clean Data Determination/Attainment Determination   
  10/07/2022      87 FR 60897   Final Approval   Clean Data Determination/Attainment Determination   
ST. LOUIS, MO-IL
ILLINOIS
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  06/14/2021      86 FR 31438   Final Approval   Boundary Change   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
MISSOURI
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  06/14/2021      86 FR 31438   Final Approval   Boundary Change   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
SUTTER BUTTES, CA
CALIFORNIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  07/14/2022      87 FR 42126   Proposed Approval   Clean Data Determination/Attainment Determination   
  10/20/2022      87 FR 63698   Final Approval   Clean Data Determination/Attainment Determination   
TUOLUMNE COUNTY, CA
CALIFORNIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  07/14/2022      87 FR 42126   Proposed Approval   Clean Data Determination/Attainment Determination   
  10/20/2022      87 FR 63698   Final Approval   Clean Data Determination/Attainment Determination   
TUSCAN BUTTES, CA
CALIFORNIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  07/14/2022      87 FR 42126   Proposed Approval   Clean Data Determination/Attainment Determination   
  10/20/2022      87 FR 63698   Final Approval   Clean Data Determination/Attainment Determination   
UINTA BASIN, UT
UTAH
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Attainment Date Extension   
  10/07/2022      87 FR 60897   Final Approval   Attainment Date Extension   
VENTURA COUNTY, CA
CALIFORNIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
WASHINGTON, DC-MD-VA
DISTRICT OF COLUMBIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
MARYLAND
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
VIRGINIA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Change to a Higher Classification (Bump-Ups)   
  04/13/2022      87 FR 21842   Proposed Approval   Failure to Attain by Attainment Date   
  10/07/2022      87 FR 60897   Final Approval   Change to a Higher Classification (Bump-Ups)   
  10/07/2022      87 FR 60897   Final Approval   Failure to Attain by Attainment Date   
YUMA, AZ
ARIZONA
  06/04/2018      83 FR 25776   Final Approval   Designation to Nonattainment   
  04/13/2022      87 FR 21842   Proposed Approval   Clean Data Determination/Attainment Determination   
  10/07/2022      87 FR 60897   Final Approval   Clean Data Determination/Attainment Determination