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Practices, Needs and Methodologies for Human Exposure Assessment

Risk Assessment

OEHHA Will Hold Workshop at LA Valley College to Get Input for Study of Health Impacts of Synthetic Turf

Risk Assessment

Final Report: Revised California Human Health Screening Levels for Lead and Beryllium

For chemical-specific screening levels for use in assessing contaminated sites, please refer to HHRA Note 3 (DTSC HERO).

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Human-Exposure-Based Screening Numbers Developed to Aid Estimation of Cleanup Costs for Contaminated Soil

This revised report is required by the California Land Environmental Restoration and Reuse Act (Escutia, Chapter 764, Statues of 2001) as part of the effort to develop soil screening numbers for a specific set of contaminants.

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Final Report: Child-Specific Benchmark Change in Blood Lead Concentration for School Site Risk Assessment

Release of the final technical document establishing the child-specific blood lead concentration (chRC) determination for lead (a source specific increase of 1.0 µg/dL blood) for use in school site risk assessments

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Comment Period- Draft Child-Specific Reference Doses (chRDs) for School Site Risk Assessment: Endosulfan and Lead

Request for public comment on the draft chRDs for endosulfan and lead

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Comment Period- Final Draft Child-Specific Reference Doses (chRDs) for School Site Risk Assessment: Manganese and Pentachlorophenol

Request for public comment at the workshop on the final draft chRDs for manganese and pentachlorophenol

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Comment Period- Draft Proposed Child-Specific Reference Dose (chRD) for School Site Risk Assessment: Chlorpyrifos

Request for public comments on the draft chRD for chlorpyrifos

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Final Report: Child-Specific Reference Doses (chRDs) for School Site Risk Assessment: Manganese and Pentachlorophenol

Release of final technical document establishing ChRDs for Manganese (3.0 x 10^-2 mg/kg-day) and Pentachlorophenol (1.0 x 10^-3 mg/kg-day) to be used in school site risk assessments

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Final Report: Child-Specific Reference Dose (chRD) for School Site Risk Assessment: Chlorpyrifos

Release of the final technical document establishing a chRD for chlorpyrifos (1.0 x 10^-4 mg/kg-day) to be used in school site risk assessments

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