1. U.S. EPA, Atrazine Updates, http://www.epa.gov/pesticides/reregistration/atrazine/atrazine_update.htm#atrazine.
2. U.S. EPA, October 31, 2003 Revised Atrazine IRED, http://www.epa.gov/oppsrrd1/reregistration/atrazine/atrazineadd.pdf.
3. U.S. EPA, Safe Drinking Water Act, http://www.epa.gov/safewater/regs.html.
4. U.S. EPA, List of Drinking Water Contaminants & MCLs, http://www.epa.gov/safewater/mcl.html.
5. Triazine and chloroacetamide herbicides in Sydenham River water and municipal drinking water, Dresden, Ontario, Canada, 1981?1987