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PM 2.5
Regional
Personnel Addresses
and Phone Numbers

National PEP Weighing Laboratory
 US-EPA, Region 4
Science and Ecosystem Support Division
Athens, Georgia

Choose an organization for which to view contact information:
OAQPS - Office of Air Quality Planning and Standards
ORIA - Office of Radiation and Indoor Air
EPA Regions: 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , or 10   
State Operated PM2.5 PEP: CT , IL, MO, NY

Map of United States showing the country divided into different regions Region 1: CT, MA, ME, NH, RI, VT Region 2: NJ, NY, PR, VI Region 3: DC, DE, MD, PA, VA, WV Region 4: AL, FL, GA, KY, MS, NC, SC, TN Region 5: IN, IL, MI, MN, OH, WI Region 6: AR, LA, NM, OK, TX Region 7: IA, KS, MO, NE Region 8: CO, MT, ND, SD, UT, WY Region 9: AZ, CA, HI, NV Region 10: AK, ID, OR, WA

OAQPS - EPA Office of Air Quality Planning and Standards

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ORIA - EPA Office of Radiation and Indoor Air

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Region 1 - Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont.

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Region 2 - New Jersey, New York, Puerto Rico and the U.S. Virgin Islands.

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Region 3 - Delaware, Maryland, Pennsylvania, Virginia, West Virginia, and the District of Columbia.

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Region 4 - Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, and Tennessee.

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Region 5 - Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin.

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Region 6 - Arkansas, Louisiana, New Mexico, Oklahoma, and Texas.

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Region 7 - Iowa, Kansas, Missouri, and Nebraska.

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Region 8 - Colorado, Montana, North Dakota, South Dakota, Utah, and Wyoming.

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Region 9 - Arizona, California, Hawaii, Nevada, and the Pacific Islands.

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Region 10 - Alaska, Idaho, Oregon, and Washington.

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CT - Connecticut Department of Environmental Protection

IL - Illinois Environmental Protection Agency

MO - Missouri Department of Natural Resources

NY - New York Department of Environmental Conservation

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For further information about the contents of this page please contact R4SESDWeb@epa.gov

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