Information on Diazinon
Find information on the registration status, continuous evaluation and mitigation measures in California to regulate this active ingredient. An active ingredient is the chemical that makes a pesticide work on a target pest.
Active Ingredient: Diazinon
Type of Pesticide: Insecticide
California Registration: Yes
EPA Registration: Yes
Fumigant: No
California Restricted Material: No
Toxic Air Contaminant (TAC): No
Volatile Organic Compound (VOC): No
Potential Groundwater Contaminant: Yes
Reevaluation Status: Concluded
Chemical Class: Organophosphate
DPR Chemical Code: 198
Recent Reports and Announcements
Historic Documents
- December 2010 – Report on Air Monitoring of an Orchard Application of Diazinon in Glenn County during January 2010 (Appendix A-F)
- August 2010 – Ambient Pesticide Air Monitoring for Diazinon and Diazoxon in Monterey, San Benito and Santa Clara Counties during July and August of 2009 (Appendix A-E)
- October 2008 – Initiation of Risk Assessment Process for the Active Ingredient Diazinon
- January 2008 – Request for Worker Health and Safety Study on Residue Transfer from Insecticidal Cattle Ear Tags
- March 2003 – Report of Ambient Air Monitoring for Pesticides in Lompoc, California
- November 2002 – Pesticide Exposure of Workers in Greenhouses
- November 1998 – Report for the Application (Kings County) and Ambient (Fresno County) Air Monitoring of Diazinon during Winter, 1998 (Appendices)
- May 1998 – Dislodgeable Diazinon Residues from Treated Soil and Turf
- April 1998 – Report for the Ambient Air Monitoring of Diazinon in Fresno County During Winter, 1997 (Appendices)
- July 1994 – Preliminary Human Pesticide Exposure Assessment (For Use on Residential Turf and Soil)
- March 1994 – A Probabilistic Approach to Estimating Exposure Potential for Children Playing on Diazinon-Treated Residential Soil
- July 1993 – Data Package Recommendation Sheet - Product Name: Release Flea and Tick Collar for Dogs
- February 1993 – Aerial Movement and Deposition of Diazinon, Chlorpyrifos, and Ethyl Parathion
- December 1991 – 1989 Probe Study to Determine the Exposure of Aerial Application Flaggers to Organophosphate Pesticides via Urinary Metabolite Monitoring
- January 1991 – Dermal Sensitization Study in Guinea Pigs
- August 1986 – A Survey of Dislodgeable Organophosphate Residues on Selected Crops in San Luis Obispo, Santa Barbara, and Ventura Counties at the Time of Harvest - 1984
- January 1986 – A Summary of Multiple Organophosphate Degradation Studies on Leaf Foliage in Monterey County in 1984
- December 1985 – Degradation of Dislodgeable Diazinon Residue on Chinese Cabbage and Broccoli Foliage in Santa Barbara and San Luis Obispo Counties
- December 1985 – Monterey County Residential Air Monitoring
- April 1985 – Degradation Study for Dislodgeable Diazinon Residue on Head Lettuce and Chinese Cabbage Foliage in Monterey and Santa Cruz Counties
- January 1985 – Employee Exposure to Pesticide Residue and Nuisance Dust during the Mechanical Shaking and Sweeping of Almond Harvest during August and September 1984
- July 1984 – Degradation of Dislodgeable Residues of Chlorpyrifos and Diazinon on Turf - A Preliminary Study
- November 1977 – Recent Human Health Problems in California Associated with Exposure to the Pesticide Diazinon, 1975 and 1976