General

Gianessi L. “The Value of Insecticides in U.S. Crop Production” CropLife Foundation (2009)
http://croplifefoundation.files.wordpress.com/2012/07/insecticide-benefits-execsum.pdf

EPA’s Integrated Pest Management Principles
http://www.epa.gov/opp00001/factsheets/ipm.htm

CropLife America Perspectives and Resources on Integrated Pest Management
http://www.croplifeamerica.org/pesticide-issues/integrated-pest-management

Chlorpyrifos Benefits and Use

“Use and Benefits of Chlorpyrifos in Agriculture", Dow AgroSciences, 2016

USDA’s Biological and Economic Analysis of Chlorpyrifos Uses in Agriculture (1994)
http://naldc.nal.usda.gov/download/CAT10744419/PDF

Chlorpyrifos Labels and Material Safety Data Sheets (MSDS)
http://www.cdms.net/manuf/mprod.asp?mp=11&lc=0&ms=3691&manuf=11