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- USEPA
http://www.epa.gov/
- ATSDR (Agency for Toxic Substances & Disease Registry)
http://www.atsdr.cdc.gov/
- TOXNET (Toxicology Data Network)
http://toxnet.nlm.nih.gov/
- Journal/ Environmental Science & Technology
http://pubs.acs.org/journals/esthag/index.html
- Journal/ Environmental Toxicology and Chemistry
http://entc.allenpress.com/entconline/?request=index-html
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