Regulatory Documents and Activities
Back to Toxic Air Contaminant Program
The Department of Pesticide Regulation (DPR) has regulatory requirements to control impacts of chloropicrin in air from volatile organic compound (VOC) emissions and has developed measures to control toxic exposure
1,3-Dichloropropene
- Regulation and Technical Documents
- Approved Tarpaulins
- Training and Other Information for County Agricultural Commissioners
- Table of Revised Application Factor (AF), PDF
- Enforcement Letters
- Health Mitigation Documents and Activities
- Quarterly and Annual Reports
- Setback Calculator, PDF (accessible version of the report below)
Chloropicrin
- Tarpaulins to Receive 60% Buffer Zone Reduction Credit
- Risk Management Directive for Chloropicrin, PDF (53 kb) (December 31, 2010)
- Registration Notice 2013-05: Completion of Comprehensive Risk Assessment for the Active Ingredient Chloropicrin
- Enforcement letters: Information and guidance to County Agricultural Commissioners
Chlorpyrifos
Metam Sodium and Methyl Isothiocyanate (MITC)
- Recommended permit conditions
- DPR Regulation #02-008, PDF (8 kb) Designation of MITC as a toxic air contaminant (approved 5/22/03; effective 6/21/03)
- Risk Management Directive for MITC, PDF (32 kb) (December 2002)
- DPR Regulation #01-004, PDF (6 kb) Dazomet and metam-potassium (approved 7/24/01; effective 7/24/01)
- Enforcement letters: Information and guidance to County Agricultural Commissioners (2000-current)
Methyl Bromide
- Controlling seasonal exposure (last updated: April 2004)
- Guidance manual for regulations on methyl bromide field soil fumigation, PDF (1.2 mb), revised 2/4/13
- Approved tarpaulins, PDF (last updated: February 20, 2020)
- Archived Approved Tarpaulin List
- Training and other information for county agricultural commissioners
- Enforcement letters: Information and guidance to County Agricultural Commissioners (2000-current)
Methyl Bromide Regulations
- DPR Regulation #01-009, PDF (20 kb): Methyl bromide field fumigation (approved 4/8/02; effective 4/8/02)
- DPR Regulation #00-001, PDF (35 kb): Methyl bromide field fumigation (approved 12/15/00; effective 1/14/01)
- DPR Regulation #98-014, PDF (18 kb): Methyl bromide and structural fumigation (approved 8/15/00; effective 9/14/00)
Methyl Iodide
- Enforcement letters: Information and guidance to County Agricultural Commissioners (2001-2002)
- Health Mitigation Documents and Activities
Methyl Parathion
- Toxic Air Contaminant, PDF (5 kb) Designates the pesticide chemical methyl parathion as a toxic air contaminant pursuant to Food and Agricultural Code section 14023. (Approved 8/30/00; Effective 9/29/00)
Sulfuryl Fluoride
- Ambient Air Levels of Sulfuryl Fluoride Combined Protocols, PDF (582 kb)
- Registration Notice 2013-12: Notice of Initiation of Risk Mitigation for Sulfuryl Fluoride (Structural and Non-Food Commodity Uses)
- Registration Notice 2013-03: Final Decision Concerning Reevaluation of Certain Sulfuryl Fluoride Products Intended for Structural Fumigation
- Registration Notice 2008-04: Request for additional air monitoring of sulfuryl fluoride
- Risk Management Directive, PDF (35 kb): Decisions related to development of restrictions for structural uses (April 6, 2007)
- DPR Regulation 06-005, PDF (18 kb): Designation of sulfuryl fluoride as a toxic air contaminant (approved 5/7/07; effective 6/6/07)
- Enforcement letters: Information and guidance to County Agricultural Commissioners
Other Pesticides
- Toxic Air Contaminants, PDF (7 kb) 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. (Approved 8/30/00; Effective 9/29/00)