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Toxic Air Contaminant Program
Evaluation (Risk Assessment)
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The law requires the preparation of a report for candidate toxic air contaminants that includes: an overview of the environmental fate and use of the pesticide; a risk assessment (PDF, 153 kb) (Opens in new window) consisting of data on health effects and assessment of public exposure; and the results of air monitoring studies. The report is reviewed by the Office of Environmental Health Hazard Assessment, the Air Resources Board, and is made available for public review. Based on these reviews, the draft report is revised as appropriate. The draft then undergoes a peer review for scientific soundness by the Scientific Review Panel (Opens in new window), a group of experts representing a range of scientific disciplines. Based on this evaluation, the Director of the DPR determines whether the candidate is a toxic air contaminant.
DPR has a comprehensive approach for risk assessment that evaluates potential dietary (food and drinking water), workplace, residential, and ambient air exposures. Assessing Human Health Risk describes DPR’s comprehensive risk assessments and how the toxic air contaminant evaluations are a part of the assessment.
- How DPR prioritizes pesticides for evaluation and risk assessment (PDF, 160 kb)
- Evaluation reports for which ambient air is the focus or a major component are being drafted or
amended for the following pesticides:
- chloropicrin
- methyl parathion
- Final toxic air contaminant evaluation reports and determinations
- Fact sheets and other DPR risk assessment documents