Active Ingredient: Methyl Parathion
Human Health Risk Assessment and Mitigation
Documents and Activities

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

Other Documents

  • December 2003 – A Study to Determine the Urinary Elimination of Para-Nitrophenol and Its Conjugates Following Dermal Exposure of Rats to Methyl Parathion (PDF)
  • December 2003 – Determination of Dermal Absorption of Methyl Parathion (PDF)
  • September 2003 – Preliminary Methyl Parathion Air Concentrations Measured Adjacent to Two Walnut Orchard Applications
  • August 1989 – Methyl Parathion Application Air Monitoring in Sutter County, May 1989
  • May 1987 – Methyl Parathion Ambient Air Monitoring in Colusa and Sutter Counties
    • Corrections
  • April 1987 – Measurement and Computer Model Simulation of the Volatilization Flux of Molinate and Methyl Parathion From a Flooded Rice Field
  • December 1985 – Monterey County Residential Air Monitoring
  • September 1981 – Exposure of Greenhouse Workers to Encapsulated Methyl Parathion (Penncap-M) Being Used on Chrysanthymums in Santa Clara and San Mateo Counties in 1981 (PDF)
  • May 1976 – Occupational Exposure Incidents in California in 1975 Involving Methyl Parathion (PDF)
  • July 1974 – Worker Safety Study on Methyl Parathion on Grapes (PDF)

For document retrieval, please submit a request at our Public Records Portal (NextRequest).

For content questions, contact:

Christine Herrera
Worker Health and Safety Branch
1001 I Street, P.O. Box 4015
Sacramento, CA 95812-4015
Phone: (916) 445-4261

Brenna McNabb
Pesticide Registration Branch
1001 I Street, P.O. Box 4015
Sacramento, CA 95812-4015
Phone: (916) 445-0179