FIFRA

http://www.epa.gov/pesticides/regulating/laws.htm

Endangered Species Act

http://www.epa.gov/lawsregs/esa.html

http://www.fws.gov/endangered/

Worker Protection Standard

http://www.epa.gov/agriculture/htc.html

Kansas State Pesticide Law

Kansas Agricultural Chemical Act

Kansas Chemigation Safety Law

Spill Reporting

Kelly Registration Systems

Kansas Pesticide Registration Data KSPIRS 

Pesticide Product Label System (PPLS) (Note if you have trouble viewing more than the first page of the labels -- check out information under the link -- in multi-page TIFF format)

Greenbook.net

CDMS (Crop Data Management Systems)