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Toxic Air Contaminant Program
Monitoring Reports
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California’s Department of Pesticide Regulation (DPR) and Air Resources Board (ARB) conduct air monitoring studies for pesticides that are candidate toxic air contaminants, as well as for pesticides that are designated as toxic air contaminants. In general, two types of monitoring are conducted: ambient monitoring in selected communities (to measure concentrations over several weeks or months) and application-site monitoring in the immediate vicinity of specific pesticide applications (to measure concentrations over several hours or days). Monitoring studies have been conducted for the following pesticides:
- Acephate
- Acrolein
- Aldicarb
- Atrazine
- Azinphos-Methyl
- Amitraz
- Benomyl
- Bifenthrin
- Bromoxynil
- Captan
- Carbaryl
- Carbofuran
- Chlordimeform (monitoring conducted, but not for TAC program)
- Chloropicrin
- Chlorothalonil
- Chlorpyrifos
- Cycloate
- Dacthal (Chlorthal-dimethyl)
- Dazomet (methyl isothiocyanate, MITC)
- DEF (S,S,S-tributyl phosphorotrithioate)
- Diazinon
- 2,4-Dichlorophenoxyacetic Acid (2,4-D) (monitoring conducted, but not for TAC program)
- 1,3-Dichloropropene (Telone)
- Dicofol
- Endosulfan
- EPTC
- Ethoprop
- Ethyl Parathion
- Fenamiphos
- Linuron
- Malathion
- MCPA (monitoring conducted, but not for TAC program)
- Metalaxyl (monitoring conducted, but not for TAC program)
- Metam Sodium (methyl isothiocyanate, MITC)
- Methamidophos
- Methidathion
- Methomyl
- Methyl Bromide
- Methyl Iodide
- Methyl Isothiocyanate (MITC)
- Methyl Parathion
- Molinate
- Naled
- Oxydemeton-Methyl
- Parathion
- Permethrin
- Phorate
- Phosphine
- Propanil
- Propargite
- Propyzamide
- Simazine
- Sodium Tetrathiocarbonate
- Sulfuryl Fluoride
Lompoc monitoring report (dicloran, dicofol, dimethoate, ethalfluralin, fonofos, iprodione, mefenoxam, metolachlor, propyzamide, trifluralin, vinclozolin) March 2003
Summary of Pesticide Air Monitoring Results, PDF (5.7 mb) (1986 to 1995), Executive Summary, PDF (452 kb)
Summary of Pesticide Air Monitoring Results, PDF (1.4 mb) (1986-2000) Conducted by the California Air Resources Board for Assembly Bill 1807/3219.