Air & Waste Management Association
One Gateway Center
Third Floor
Pittsburgh, PA 15222
(412) 232-3444, FAX (412) 232-3450

The American Academy of Environmental Engineers (AAEE)
130 Holiday Court, Suite 100
Annapolis, MD 21401
(410) 266-3311, FAX (410) 266-7653

American Congress on Surveying and Mapping
5410 Grosvenor Lane, Suite 100
Bethesda, MD 20814-2122
(301) 493-0200, FAX (301) 493-8245

American Industrial Hygiene Association
2700 Prosperity Ave. Suite 250
Fairfax, VA 22031
(703) 849-8888, FAX (703) 207-3561

American Institute of Chemical Engineers (AIChE)
3 Park Avenue
New York, NY 10016-5991
(212) 591-7338, FAX (212) 591-8897

American Institute of Professional Geologists (AIPG)
7828 Vance Drive, Suite 103
Arvada, CO 80003-2124
(303) 431-0831, FAX (303) 431-1332

American Society of Agricultural Engineers (ASAE)
2950 Niles Road St.
St. Joseph, MI 49085-9659
(616) 429-0300, FAX (616) 429-3852

ASFE/The Association of Engineering Firms Practicing in the Geosciences
8811 Colesville Road, Suite G106
Silver Spring, MD 20910
(301) 565-2733, FAX (301) 589-2017

Association of Engineering Geologists (AEG)
323 Boston Post Road, Suite 2D
Sudbury, MA 01776
(508) 443-4639

Association for Preservation Technology (APT)
P.O. Box 8178
Fredericksburg, VA 22404
(540) 373-1621

Environmental Protection Agency (EPA)
401 M. Street, SW
Washington, DC 20460
(202) 260-9152, (800) 438-4318 Indoor Air Quality Clearinghouse
(202) 233-9370 Radon Program Office
(202) 554-1404 (TSCA) (TSCA) Toxic Material Hotline
FAX (202) 260-5153

National Association of Environmental Professionals (NAEP)
P.O. Box 2086
Bowie, MD 53562
(888) 251-9902 or (301)860-1140, FAX (608) 860-1141
Email: office@naep.org

Society of Environmental Insurance Professionals
4901 Pine Cone Circle
Middleton, WI 53562
(877) 735-0800, FAX (608) 798-1676
Email: webmaster@armr.net

Water Environment Federation (WEF)
601 Wythe St.
Alexandria, VA 22314-1994
(703) 684-2400, FAX (703) 684-2492