•Agency for Toxic Substances and Disease Registry (ASTDR)
(2007) Frequently asked
questions about contaminants found at hazardous waste sites. Available on the Internet at http://www.atsdr.cdc.gov/toxfaq.html.
•U.S. Environmental Protection Agency, FERA (Fate,
Exposure and Risk
Analysis) Risk Assessment and Modeling web site. Available on the Internet at https://www.epa.gov/ttn/fera/risk_atoxic.html