State Agencies

Massachusetts Department of Environmental Protection
Connecticut Department of Public Health
New Hampshire Department of Environmental Services
New York Department of Health
Rhode Island Department of Health
Vermont Department of Environmental Conservation
Maine Department of Health and Human Services
North Carolina Department of Environmental and Natural Resources

Federal Agencies

Environmental Protection Agency (EPA)
EPA - 40 CFR (Code of Federal Regulations) 
EPA - Compliance and Enforcement
EPA - Environmental Test Methods and Guidelines
EPA - IRIS Substance List
EPA - National Pollutant Discharge Elimination System (NPDES) Permitting Program
EPA - OAR Policy and Guidance Information
EPA - Office of Ground Water & Drinking Water 
EPA - Office of Solid Waste & Emergency Response
EPA - RCRA Online
EPA - Region 1: New England
U.S. Army Corp of Engineers
U.S. Department of Agriculture
U.S. Department of Energy
U.S. Food & Drug Administration
U.S. Geological Survey (USGS)
National Institute for Occupational Safety and Health (NIOSH)
National Oceanic & Atmospheric Administration
Occupational Safety & Health Administration (OSHA)


Air and Waste Management Association
American Chemical Society (ACS) 
American Industrial Hygiene Association (AIHA)
American Water Works Association
AOAC International
ASTM International
Environmental Laboratory Approval Program (NYS ELAP)
Environmental Lead Laboratory Accreditation Program (ELLAP) 
Environmental Lead Proficiency Analytical Testing (ELPAT) Program 
LSP Association
Society of American Military Engineers (SAME)

Additional Links

American Petroleum Institute
Chemfinder Database Search
Chemical Abstracts Service (CAS) Directory
Envirobiz - International Environmental Information
Environmental Industry Interactive (EII)
EnviroInfo: Web Site Directories
EnviroInfo: Databases
Hazardous Waste Clean-Up Information (CLU-IN)
Laboratory Safety 
National Academy of Sciences
National Council for Science and the Environment 
Pollution on Line
Water Online