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Methyldithiocarbamate salts (metam sodium/potassium)
Chemical Review Manager: Dana Friedman (friedman.dana@epa.gov), 703-347-8827 
Antimicrobial Pesticide - Chemical Review Manager: Eliza Blair (blair.eliza@epa.gov), 703-308-7279
Press Contact: Dale Kemery (kemery.dale@epa.gov), 202-564-4355
Soil Fumigant Toolbox
New! MITC Air Monitoring Guidance
Docket Information
- Documents related to EPA's review of this pesticide can be found in the following docket(s):
- EPA-HQ-OPP-2005-0125 for Human Health Risk Assessment (released July 13, 2005)
- EPA-HQ-OPP-2004-0159 for Risk Assessments (released June 2, 2004)
- Risk assessment and related documents for this pesticide have been removed to Special Docket EPA-HQ-OPP-2007-0151.
- EPA-HQ-OPP-2008-0518
- EPA-HQ-OPP-2009-0979
- Visit Regulations.gov for information about other pesticide reregistration chemicals.
Decision Documents
- Amended Reregistration Eligibility Decision (RED) - May 2009
- Metam Sodium. Errata for the Registration Eligibility Decision (RED) for Methyldithiocarbamate Salts - Metam Sodium/Potassium and Methyl Isothiocyanate (MITC), August 27, 2008
- Reregistration Eligibility Decision (RED)(PDF) - July 2008 (142 pp, 2.3 MB, About PDF)
- RED Fact Sheet (PDF) - July 2008 (8 pp, 76k, 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 10, 2010] - comments accepted through August 9, 2010.
- Chloropicrin, Dazomet, Metam Sodium/Potassium, and Methyl Bromide; Amendments to Reregistration Eligibility Decisions [June 3, 2009]
- Chloropicrin, Dazomet, Metam Sodium/Potassium, and Methyl Bromide Reregistration Eligibility Decisions; Notice of Availability; Extension of Comment Period [August 29, 2008], comment period closed on October 30, 2008
- Metam Sodium, Metam Potassium and Chloropicrin; Notice of Receipt of Requests for Amendments to Delete Uses in Certain Pesticide Registrations [August 20, 2008] - The deletions are effective February 17, 2009, unless the Agency receives a written withdrawal request on or before February 17, 2009
- Chloropicrin, Dazomet, Metam Sodium/Potassium, and Methyl Bromide Reregistration Eligibility Decisions; Notice of Availability [July 16, 2008], comment period open through September 15, 2008
- Chloropicrin, Dazomet, 1,3-Dichloropropene, Metam potassium, Metam sodium, and Methyl bromide; Extension of Comment Periods [June 21, 2007], extension of comment period closed on September 3, 2007
- Metam Sodium Risk Assessment; Notice of Avaiabilty; Extension of Comment Period [September 12, 2005] comment period closed on October 12, 2005; Docket Number OPP-2005-0125
- Metam Sodium Risk Assessment; Notice of Availability [July 13, 2005] comment period closed on September 12, 2005; Docket EPA-HQ-OPP-2005-0125
- Metam-Sodium; Availability of Revised Risk Assessments [August 31, 2004] comment period closed on October 31, 2004 Docket Number OPP-2004-0159
- Metam-Sodium; Availability of Risk Assessments [June 2, 2004] comment period closed on August 2, 2004; Docket EPA-HQ-OPP-2004-0159