U.S. Environmental Protection Agency
U.S. EPA - Indoor Environments Division
U.S. EPA - Indoor Air Quality - Information Clearing House
P.O. Box 37133
Washington, DC 20013-7133
800-438-4318
Operates Monday thru Friday from 9 a.m. to 5 p.m. Eastern Standard Time (EST). Distributes EPA publications, answers questions on the phone, and makes referrals to other nonprofit and governmental organizations.
U.S. EPA - National Radon Hotline
800-SOS-RADON (767-7236)
Information recording operates 24 hours a day.
U.S. EPA - National Lead Information Center
800-LEAD-FYI (532-3394)
Operates 24 hours a day, seven days a week. Callers may order an information package. To speak to an information specialist, call 800-424-5323. Operates Monday to Friday from 8:30a.m. to 5p.m. EST.
U.S. EPA - National Pesticides Telecommunications Network
800-858-PEST (7378)
Operates Monday to Friday from 6:30 a.m. to 4:30 p.m. Pacific Time.
Provides information about pesticides to the general public and the medical, veterinary, and professional communities. Medical and government personnel may call 800-858-7377.
U.S. EPA - Resources Conservation and Recovery Act (RCRA)/Superfund Hotline
800-424-9346 (National toll free number)
703-412-9810 (Washington, DC area)
Operates Monday thru Friday from 8:30a.m. to 7:30p.m. EST. Provides information on regulations under both the Resources Conservation and Recovery Act (including solid and hazardous waste issues) and the Superfund law.
U.S. EPA - Safe Drinking Water Hotline
800-426-4791
Operates Monday to Friday from 8:30a.m. to 5p.m. EST. Provides information on regulations under the Safe Drinking Water Act, lead and radon in drinking water, filter information, and a list of state drinking water offices.

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