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Final Toxic Air Contaminant (TAC) Evaluation Reports and Determinations
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DEF (S,S,S-tributyl phosphorotrithioate) (Final report date: June 1999)
The following final TAC evaluation report has been reviewed and determined to be scientifically sound by the Scientific Review Panel. Once the Director of DPR concludes a candidate pesticide meets the criteria to be declared a TAC, the documentation will be posted here. The law also requires DPR to list TACs in the California Code of Regulations, under the rulemaking process.
- Director’s Determination to Declare DEF a Toxic Air Contaminant (June 15, 1999) (PDF, 895 kb)
- Scientific Review Panel’s Findings on DEF (April 13, 1999) (PDF, 1.3 mb)
- DEF Rulemaking Package
- Evaluation of S,S,S-Tributyl phosphorotrithioate (DEF) as a Toxic Air Contaminant (October 1999)
- Executive Summary (PDF, 709 kb)
- Part A: Environmental Fate (PDF, 4.2 mb)
- Part B: Exposure Assessment (PDF, 95 kb)
- Part C: Health Assessment (PDF, 377 kb)