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State of California Department of Pesticide Regulation
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On this Page
  • Risk Evaluation and Mitigation Documents
  • Historic Documents

Information on Methyl Iodide

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: Methyl Iodide
Type of Pesticide: No actively registered products
California Registration: No
Products Registered
EPA Registration: No
Fumigant: Yes
California Restricted Material: No
Toxic Air Contaminant (TAC): Yes
Volatile Organic Compound (VOC): Yes
Potential Groundwater Contaminant: No
Reevaluation Status: None
Chemical Class: Organoiodine
DPR Chemical Code: 5783

Risk Evaluation and Mitigation Documents

  • January 2016 - Completion of Methyl Iodide Mitigation - English pdf  

Historic Documents

  • February 2011 - Methyl Iodide: Designating as Restricted Material, Listing as Toxic Air Contaminant, and Use Restrictions as a Volatile Organic Compound
  • February 2011 – Statement by Mary-Ann Warmerdam, Director, Department of Pesticide Regulation, before the Assembly Committees on Environmental Safety and Toxic Materials and Health
  • December 2010 – About DPR's Decision to Register Methyl Iodide
  • December 2010 – Methyl Iodide: Frequently Asked Questions
  • December 2010 – Comparing DPR's Proposed Restrictions with other States
  • December 2010 – Detailed Comparison of the Federal Product Label, California-Specific Label, and Related Laws and Regulations
  • December 2010 – DPR Announces Decision to Register Methyl Iodide with Most Stringent Restrictions in the Nation
  • December 2010 – Notice of Final Decisions to Register Pesticide Products Containing Methyl Iodide and Written Evaluation
  • December 2010 – Response to the Central Coast Regional Water Quality Control Board Comments Dated June 10, 2010 Regarding Methyl Iodide Registration Decision
  • November 2010 – Final Evaluation of Midas Products
  • November 2010 – Report on Air Monitoring for Methyl Iodide during an Application (Appendices)
  • July 2010 – DPR Director Testifies that the Department's Proposed Registration Decision on Methyl Iodide is More Health Protective than U.S. EPA's Decision
  • June 2010 – Statement by Mary-Ann Warmerdam, Director, Department of Pesticide Regulation, before the Senate Committee on Food and Agriculture
  • May 2010 – Notice of Proposed Decisions to Register Pesticide Products Containing Methyl Iodide and Public Report Extension of Public Comment Period
  • April 2010 – Methyl Iodide (Iodomethane) Mitigation Evaluation and Options
  • April 2010 – Duration of Tarping for Methyl Iodide Applications
  • April 2010 – DPR Announces Proposed Decision to Register Methyl Iodide, Using Nation's Most Stringent Restrictions
  • April 2010 – Notice of Proposed Decisions to Register Pesticide Products Containing Methyl Iodide and Public Report
  • February 2010 – Volume I, Health Risk Assessment, Appendices
  • February 2010 – Volume II, Exposure Assessment
  • February 2010 – Volume III, Environmental Fate
  • February 2010 – Volume IV Part 1, Responses to Scientific Review Committee Comments
  • February 2010 – Volume IV Part 2, Responses to Public Comments
  • February 2010 – Exposure Assessment Document for Pesticide Products Containing Methyl Iodide
  • August 2009 – Why DPR Opted for an External Peer Review of Methyl Iodide
  • July 2009 – Methyl Iodide Risk Assessment Will Undergo External Review
  • December 2004 – Review of Occupational Exposure Studies for Methyl Iodide (Registration Tracking ID #192892, 192893, 192894)
  • August 2004 – Notice Regarding Initiation of Risk Assessment Process for the New Active Ingredient Iodomethane
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