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TAC Regulatory Documents and Activities

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1,3-Dichloropropene (Telone)

• California Management Plan: 1,3-Dichloropropene (January 30, 2002) (PDF, 243 kb)
• Dow AgroSciences proposal for refinement of 1,3-dichloropropene use in California townships (January 24, 2002) (PDF, 104 kb)
• DPR response to Dow AgroSciences proposal (January 30, 2002) (PDF, 110 kb)
• Enforcement letters: Information and guidance to County Agricultural Commissioners (2001-2002)

Metam Sodium and Methyl Isothiocyanate (MITC)

• Risk Management Directive for MITC (December 2, 2002) (PDF, 32 kb)
• DPR Regulation #02-008: Designation of MITC as a toxic air contaminant
  (approved 5/22/03; effective 6/21/03) (PDF, 8 kb)
• DPR Regulation #01-004: Dazomet and metam-potassium (approved 7/24/01; effective 7/24/01) (PDF, 6 kb)
• Enforcement letters: Information and guidance to County Agricultural Commissioners (2000-current)
• Agendas (PDF, 12 kb) - En Español (PDF, 17 kb) for two MITC public meetings, May 30, 1:00 to 3:30 p.m. and 7:00 to 9:30 p.m.
• News release announcing proposed new MITC restrictions and workshops to get public comment (April 26, 2007)
• Letter announcing proposed MITC controls, May 30 public workshop, and how to submit comments (PDF, 53 kb) - En Español (PDF, 60)
• Mitigation proposal - Details on proposed controls to reduce off-site and bystander short-term exposure to MITC (PDF, 847 kb) (January 5, 2007)

Methidathion

• DPR Regulation 07-003: Designation of methidathion as a toxic air contaminant (filed with the Secretary of State 3/13/08; Effective 4/12/08)

Methyl Bromide

• Controlling seasonal exposure (last updated: April 2004)
• Emergency regulations: Methyl bromide field fumigation
• Approved tarpaulins (PDF, 88 kb) (last updated: April 13, 2006)
• DPR Regulation #01-009: Methyl bromide field fumigation (approved 4/8/02; effective 4/8/02) (PDF, 20 kb)
• DPR Regulation #00-001: Methyl bromide field fumigation (approved 12/15/00; effective 1/14/01) (PDF, 35 kb)
• DPR Regulation #98-014: Methyl bromide and structural fumigation (approved 8/15/00; effective 9/14/00) (PDF, 18 kb)
• Enforcement letters: Information and guidance to County Agricultural Commissioners (2000-current)

Methyl Parathion

• Toxic Air Contaminant: (PDF 5 kb) (Approved 8/30/00; Effective 9/29/00)
  Designates the pesticide chemical methyl parathion as a toxic air contaminant pursuant to Food and Agricultural Code section 14023.

Sulfuryl Fluoride

• Registration Notice 2008-04: (PDF, 47 kb ) Request for additional air monitoring of sulfuryl fluoride
• DPR Regulation 06-005: (PDF, 18 kb) Designation of sulfuryl fluoride as a toxic air contaminant (approved 5/7/07; effective 6/6/07)

Other Pesticides

• Toxic Air Contaminants: (PDF 7 kb) (Filed Secretary of State 5/22/03; Effective 6/21/03) The action designates the pesticide chemical methyl isothiocyanate (MITC) and other pesticides that generate MITC as toxic air contaminants (TACs) in subsection (a) pursuant to Food and Agricultural Code (FAC) section 14023. This action also adds three pesticide chemicals to subsection (b) of section 6860 pursuant to FAC section 14021: carbon disulfide-generating pesticides, 10 10' oxybisphenoxyarsine, and phosphine and phosphine-generating pesticides.