From Gary Price's Resource Shelf:



“Toxic Chemicals–United States–Databases

 Source: NLM  New Version of TOXMAP Available

 “TOXMAP is an interactive web site from the National Library of  Medicine that shows the amount and location of reported toxic  chemicals released into the environment on maps of the United States. TOXMAP allows users to visually explore information about releases of toxic chemicals by industrial facilities around the United States as reported annually to the Environmental Protection  Agency (EPA).”