American Association of Pesticide Safety Educators
http://www.aapse.org

Association of America Pesticide Control Officials
http://aapco.ceris.purdue.edu/

California Department of Pesticide Regulation
http://www.cdpr.ca.gov

Clemson University, Pesticide Information Program
http://entweb.clemson.edu/pesticid/history.htm

Code of Federal Regulations
http://www.gpoaccess.gov/cfr/index.html

Cornell University, Cooperative Extension Program
http://www.cce.cornell.edu/content/view/25

Environmental Protection Agency
http://epa.gov/

EPA Biopesticides Fact Sheets
http://www.epa.gov/oppbppd1/biopesticides/ingredients/index.htm

EXTOXNET
http://extoxnet.orst.edu/

Federal Register
http://www.gpoaccess.gov/fr/index.html/

Hazardous Substances Data Base
http://toxnet.nlm.nih.gov/cgi-bin/sis/htmlgen?HSDB

Health Canada: Pesticide Management Regulatory Agency
http://www.pmra-arla.gc.ca/english/index-e.html

Minnesota Pesticide Resource Center
http://www.extension.umn.edu/pesticides/index.html

Syracuse Environ. Research Assoc., Inc.
http://www.sera-inc.com

USDA Forest Service
http://www.fs.fed.us/

USDA Office of Pesticide Management Policy
http://www.ars.usda.gov/Research/docs.htm?docid=12430

University of Arizona
http://ag.arizona.edu/pito/

Virginia Tech University
http://www.vtpp.ext.vt.edu/

Washington State University, Pesticide Education Program
http://pep.wsu.edu/

Washington State University, Pesticide Safety Programs
http://pep.wsu.edu/psp/