(a) The EPA Headquarters is in Washington, DC. The mailing address is 1200 Pennsylvania Ave., NW., Washington, DC 20460.

(b) The addresss of (and States served by) the EPA Regional Offices (see § 1.61) are:

(1) Region I, U.S. Environmental Protection Agency, room 2203, John F. Kennedy Federal Building, Boston, MA 02203. (Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont.)

(2) Region II, U.S. Environmental Protection Agency, Room 900, 26 Federal Plaza, New York, NY 10278. (New Jersey, New York, Puerto Rico, and the Virgin Islands.)

(3) Region III, U.S. Environmental Protection Agency, 841 Chestnut Street, Philadelphia, PA 19107. (Delaware, Maryland, Pennsylvania, Virginia, West Virginia, and the District of Columbia.)

(4) Region IV, U.S. Environmental Protection Agency, 345 Courtland Street NE., Atlanta, GA 30365. (Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, and Tennessee.)

(5) Region V, U.S. Environmental Protection Agency, 77 West Jackson Boulevard, Chicago, IL 60604. (Illinois, Indiana, Michigan, Minnesota, Ohio and Wisconsin.)

(6) Region VI, U.S. Environmental Protection Agency, 1201 Elm Street, Dallas, TX 75270. (Arkansas, Louisiana, New Mexico, Oklahoma, and Texas.)

(7) Region VII, U.S. Environmental Protection Agency, 726 Minnesota Avenue, Kansas City, KS 66101. (Iowa, Kansas, Missouri, and Nebraska.)

(8) Region VIII, U.S. Environmental Protection Agency, 999 18th street, One Denver Place, Denver, CO 80202. (Colorado, Montana, North Dakota, South Dakota, Utah, and Wyoming.)

(9) Region IX, U.S. Environmental Protection Agency, 215 Fremont Street, San Francisco, CA 94105. (Arizona, California, Hawaii, Nevada, American Samoa, Trust Territories of the Pacific Islands, Guam, Wake Islands, and the Northern Marianas.)

(10) Region X, U.S. Environmental Protection Agency, 1200 Sixth Avenue, Seattle, WA 98101. (Alaska, Idaho, Oregon, and Washington.)