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Malathion
Quick Resources
Chemical Review Manager:
Eric Miederhoff (miederhoff.eric@epa.gov), 703-347-8028
5/7/2010: Manufacturers Decline to Adopt Pesticide Use Limitations to Protect Endangered Species (PDF) (3 pp, 163k, about PDF)
4/29/2010: EPA Gives Pesticide Manufacturers Two Weeks to Commit to Modifications to Protect Endangered Species
9/11/2009: New Limitations on Pesticide Uses Will Protect Salmon - EPA has announced plans to place additional limitations on the use of three organophosphate pesticides -- chlorpyrifos, diazinon, and malathion -- to protect endangered and threatened salmon and steelhead in California, Idaho, Oregon and Washington.
Docket Information
- Documents related to EPA's review of this pesticide can be found in the following docket(s):
- Risk assessment and related documents for this pesticide have been removed to Special Docket EPA-HQ-OPP-2007-0151.
- Visit Regulations.gov for information about other pesticide reregistration chemicals.
Decision Documents
- Reregistration Eligibility Decision (RED) Revised (PDF) - May 2009 (212 pp, 1.4 MB, About PDF)
- Reregistration Eligibility Decision (RED)(PDF) - July 2006 (195 pp, 735k, About PDF)
Federal Register Notices
- Requests to Amend Pesticide Registrations to Delete Uses in Certain Pesticide Registrations: Malathion, Diquat Dibromide, Metam-potassium and Metam-sodium, [February 2010] - comments accepted through March 12, 2010.
- Notice of Receipt of Requests to Voluntarily Cancel Certain Pesticide Registrations [February 3, 2010], comments accepted through March 5, 2010
- Notice of Receipt of Requests to Voluntarily Cancel Certain Pesticide Registrations [January 26, 2010], comments accepted through July 26, 2010
- Ametryn, Amitraz, Ammonium Soap Salts of Higher Fatty Acids, Bitertanol, Coppers, et al.; Tolerance Actions, [September 16, 2009]
- Malathion; Product Cancellation Order and Amendments to Terminate Uses [July 15, 2009] - cancellations are effective July 15, 2009.
- Malathion; Revised Reregistration Eligibility Decision [June 24, 2009]
- Malathion; Notice of Receipt of Requests To Voluntarily Cancel or To Amend To Terminate Uses of Certain Pesticide Registrations [May 20, 2009], comment period closed on June 19, 2009.
- Ametryn, Amitraz, Ammonium Soap Salts of Higher Fatty Acids (C8-C18 saturated; C8-C12 unsaturated), Bitertanol, Coppers, et al.; Proposed Tolerance Actions [May 13, 2009], comment period closed on July 13, 2009
- Malathion; Amendments to Terminate Uses [December 3, 2008], effective December 3, 2008.
- Notice of Receipt of Requests for Amendments to Delete Uses in Certain Pesticide Registrations, [October 29, 2008] No comment period - Registrants' withdrawl requests are due by November 28, 2008 or April 27, 2009. Users who desire continued use of these products on crops or sites being deleted should contact the appropriate registrants by those dates.
- Malathion; Notice of Receipt of Request to Amend to Terminate Uses of Certain Pesticide Registrations [October 8, 2008], comments accepted through November 7, 2008.
- Aldicarb, Ametryn, 2,4-DB, Dicamba, Dimethipin, Disulfoton, Diuron, et al.; Tolerance Actions, [September 24, 2008]
- Malathion; Order Amending Registration to Terminate Certain Uses [August 27, 2008], certain uses are cancelled effective August 27, 2008
- Aldicarb, Ametryn, 2,4-DB, Dicamba, Dimethipin, Disulfoton, Diuron, et al.; Proposed Tolerance Actions [June 4, 2008], comments accepted through August 4, 2008
- Malathion Reregistration Eligibility Decision; Notice of Availability [December 1, 2006], comment period closed on January 29, 2007.
- Malathion; Revised Risk Assessments, Notice of Availability, and Solicitation of Risk Reduction Options [September 23, 2005], comment period closed on November 22, 2005