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Contact Us about Cross-State Air Pollution

Please use the form below to send us comments or questions. Be sure to include your e-mail address if you’d like a response.

Call the CAMD hotline: 202-343-9620

Regular or certified mail address:

US EPA
Clean Air Markets Division
1200 Pennsylvania Avenue, NW
Mail Code 6204M
Washington, DC 20460

Overnight mail address:

US EPA
Clean Air Markets Division
1201 Constitution Avenue, NW
Room 4153C
Washington, DC 20004