Active Ingredient: S,S,S-Tributyl phosphorotrithioate (Tribufos, DEF, Folex)
Human Health Risk Assessment and Mitigation
Documents and Activities

Back to Human Health Risk Assessment and Mitigation


Overview


Risk Assessment Documents

Risk Characterization Documents (RCDs) estimate the nature and likelihood of adverse health effects in humans who may be exposed to pesticides.

Other Documents

  • February 2000 A Dermal/Intravenous Crossover Study to Determine the Dermal Absorption of [14C]-DEF 6 (S, S, S-Tributyl phosphorotrithioate) in Male Rhesus Monkeys
  • November 1993 Use Pattern of DEF for Defoliation of Cotton (PDF)
  • December 1988 Pilot Analysis of DEF in Air (PDF)
  • October 1984 Potential Exposure of Workers to Selected Pesticides and Defoliants While Harvesting Cotton in Imperial Valley (PDF)
  • April 1983 Determination of Airborne Residues from Four Harvest Aid Chemicals (DEF, Folex, Cacodylates, and Paraquat) at Treated San Joaquin Valley Cotton Field Sites, as a Measure of Potential Human Exposure (PDF)
  • February 1981 Monitoring of Potential Exposures of Mixer-loaders, Pilots, and Flaggers During Application of Tributyl Phosphorotrithioate (DEF) and Tributyl Phosphorotrithioite (folex) to Cotton Fields in the San Joaquin Valley of California in 1979 (PDF)
  • September 1980 Industrial Hygiene Report of Mechanical Cotton Picker Operator Exposure to DEF at Belridge Farms (PDF)
  • September 1980 Industrial Hygiene Report of Mechanical Cotton Picker Operator Exposure to DEF at Valley Picking Company (PDF)
  • September 1980 Industrial Hygiene Report of Mechanical Cotton Picker Operator Exposure to DEF at Schletz Brothers (PDF)
  • September 1980 Industrial Hygiene Report of Mechanical Cotton Picker Operator Exposure to DEF at Garrett & Garrett (PDF)
  • September 1980 Industrial Hygiene Report of Mechanical Cotton Picker Operator Exposure to DEF at Harold O'Banion Farming (PDF)
  • March 1980 Drift Studies From the Aerial Application of DEF and Folex in Fresno and Merced Counties, California 1979 (PDF)
  • January 1978 Human Health and Safety Problems with Phosphate Cotton Defoliants in California with Emphasis on 1976 and 1977 (PDF)
  • October 1977 Summary of Observations Made in California Concerning Illnesses of Persons Living, Working or Going to School on Property near a Cotton Field Recently Sprayed with a Defoliant (PDF)
  • March 1977 A Study of the Decay Rate of DEF and Folex as a Foliar Spray on Cotton in Kern County, California, September 1975 (PDF)
  • January 1976 Summary of Observations Made in 1975 Concerning Alleged Human Illness Problems of Persons Living, Working, or Going to School on Property near a Cotton Field Recently Sprayed with a Defoliant (PDF)
  • October 1975 Decline of DEF and Folex Residue on Cotton Fields in Kern and Tulare Counties (PDF)
Risk Management Directives (RMDs)

RMDs identify pesticide exposures that require mitigation in order to further protect human health.

Mitigation Documents

Enforcement Letters


For content questions, contact:

Ann Schaffner
Worker Health and Safety Branch
1001 I Street, P.O. Box 4015
Sacramento, CA 95812-4015
Phone: (916) 445-4222
E-mail: Ann.Schaffner@cdpr.ca.gov

Kara James
Pesticide Registration Branch
1001 I Street, P.O. Box 4015
Sacramento, CA 95812-4015
Phone: (916) 324-3523
E-mail: Kara.James@cdpr.ca.gov