The Office of Hazardous Materials Safety
Within the United States Department of Transportation's Research and Special Programs Administration, and responsible for coordinating a national safety program for the transportation of hazardous materials by air, rail, highway and water. http://hazmat.dot.gov/
Agency for Toxic Substances and Disease Registry (ATSDR)
Charged under U.S. CERCLA statute to assess the presence and nature of health hazards at Superfund sites and to help reduce further exposures. Website has toxicity profiles for hazardous chemicals and extensive information on topics such as multiple chemical exposures and PCBs. http://www.atsdr.cdc.gov
Hazardous Waste Clean-Up Information (CLU-IN)
Information about innovative treatment technology for the hazardous waste remediation community. Programs, organizations, publications, and other tools. Developed by the U.S. EPA, but intended as a forum for all waste. remediation stakeholders. http://clu-in.org/