Health Risk Thresholds | Risk Category | Category Requirements |
---|---|---|
Cancer risk < 1 in a million, and Total hazard index of < 0.1 | Low Risk | Facility is conditionally exempt from further AB 2588 requirements |
1 < Cancer risk <10 in a million, and0.1 < Total hazard index < 1.0 | Intermediate Risk | Facility is required to provide an update summary on a quadrennial basis |
Cancer risk > 10 in a million, and/or Total hazard index of > 1.0 | Public Notification Required | Facility is required to go through the public notification process |
Cancer risk > 100 in a million, and/or Total hazard index of > 5.0 | Risk Reduction | Facility is required to go through the public notification process and prepare a Risk Reduction Plan |
San Joaquin Valley Air Pollution Control District
District Policy APR 1906
District’s HRA Modeling Protocol Guidance
Modeling Guidance and modeling resources
OEHHA
Air Toxics Hot Spots Program Guidance Manual for Preparation of Health Risk Assessments
California Air Resources Board
“Hot Spots” Risk Assessment website