Skip to Main Content
CA.gov

Official website of the State of California

Help Translate
State of California Department of Pesticide Regulation
Custom Google Search
    • About DPR
    • Environmental Justice
    • Tribal Affairs
    • Committees
    • Laws and Regulations
    • Report a Pesticide Incident
    • How Pesticides are Evaluated
    • Community Health
    • Worker Safety
    • Healthy Schools Act and Training
    • Enforcement
    • Endangered Species
    • Cannabis Cultivation
    • Look Up Pesticide Info
    • Report a Pesticide Incident
    • Sustainable Pest Management/Integrated Pest Management Overview
    • Integrated Pest Management/Sustainable Pest Management Resources
    • Integrated Pest Management Grants
    • Integrated Pest Management Achievement Awards
    • How to Register a Pesticide
    • Registered Products in California
    • Look Up Pesticide Info
    • Stakeholder Notices and Info
    • Apply or Renew a License
    • Continuing Education
    • List of Current Licensees
    • Pesticide Use in California
    • Environmental Monitoring
    • Tracking Pesticide Illness
    • Residue Monitoring
    • Registered Products in California
    • Look Up Pesticide Info
    • Reports Directory
    • News and Announcements
    • Meetings and Events
    • Resource Hub for Local Engagement
    • Proposed Regulatory Changes
    • Submit a Public Comment
On this Page
  • Risk Evaluation and Mitigation Documents
  • Historic Documents

Information on Ethyl Parathion

See all Active Ingredients

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: Ethyl Parathion
Type of Pesticide: No actively registered products
California Registration: No
Products Registered
EPA Registration: No
Fumigant: No
California Restricted Material: No
Toxic Air Contaminant (TAC): Yes
Volatile Organic Compound (VOC): No
Potential Groundwater Contaminant: No
Reevaluation Status: None
Chemical Class: Organophosphate
DPR Chemical Code: 459

Risk Evaluation and Mitigation Documents

  • January 2016 - Completion of Ethyl Parathion Mitigation (1988) and (1992) - English pdf  
  • February 1992 - Ethyl Parathion Toxic Air Contaminant List Recommendation - English pdf  

Historic Documents

  • February 1993 – Aerial Movement and Deposition of Diazinon, Chlorpyrifos, and Ethyl Parathion
  • June 1988 - Toxic Air Contaminant Assessment
  • February 1987 – ARB Monitoring of Ethyl Parathion
  • December 1985 – Monterey County Residential Air Monitoring
  • September 1979 – Human Occupational Illness Problems Due to Exposure to Ethyl Parathion in California in 1978
  • October 1978 – Human Occupational Illness Problems Due to Ethyl Parathion Exposure in California in 1975
  • July 1976 – A Study of the Decay Rates of Ethyl-methyl Parathion and Endosulfan Applied as a Foliar Spray to a Tomato Field in the Sacramento Valley of California
  • July 1976 – Human Occupational Illness Problems Due to Exposure to Ethyl Parathion in California in 1975
Resources
Mill Assessment Language Access Careers Contact Us CalEPA
Stay Informed
Get the latest updates from the California Department of Pesticide Regulation
CA.gov
  • Privacy Policy
  • Conditions of Use
  • Accessibility Guide
  • Accessibility Certification
  • Sitemap
  • Facebook
  • Twitter
  • YouTube
  • LinkedIn
Copyright © 2025 State of California