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Liên Lạc với Chúng Tôi
  1. Địa Hạt Không Khí
  2. Kế Hoạch & Khí Hậu
  3. Đạo Luật Phẩm Chất Môi Trường California (California Environmental Quality Act - CEQA)
  4. Những Công Cụ và Những Phương Pháp
  5. Health Risk Screening and Modeling
Kế Hoạch & Khí Hậu

Health Risk Screening and Modeling

Kế Hoạch & Khí Hậu
  1. Địa Hạt Không Khí
  2. Kế Hoạch & Khí Hậu
  3. Đạo Luật Phẩm Chất Môi Trường California (California Environmental Quality Act - CEQA)
  4. Những Công Cụ và Những Phương Pháp
  5. Health Risk Screening and Modeling

The Health Risk Screening and Modeling section includes links to the Air District's Recommended Methods for Screening and Modeling Local Risks and Hazards and links to other resources to evaluate how air pollution impacts health.

CEQA Resources

These documents are used to identify the local health effects associated with air pollution.

Stationary Source Screening Map - Updated August 1, 2024, with 2022 emissions data
GIS map of all the stationary sources permitted by the Air District with risk and hazard estimates (tool does not estimate acute hazards since these screening levels were found to be significantly below the thresholds). View the Stationary Source Screening Map Instruction Video.

Stationary Source Data Request Form
This form is used to request data from the Stationary Source Screening Map (see above). Follow the instructions on the form to submit the request.

Mobile Source Screening Map
Beta version screening map that supports visualization of roadway, rail, and railyard screening level risks and hazards information for CEQA practitioners conducting a cumulative analysis. The information represents conservative health estimates reflective of 2022 for residents living near roadways (freeways and surface streets), rail lines, and rail yards. Direct links to the roadway, rail, and railyard screening data layers are provided below.

Roadway Screening Data Layers
The roadway screening data layers provide estimated cancer risks, hazards, and PM2.5 concentrations for all Bay Area highways and surface streets.

Rail and Railyard Screening Data Layers
The rail source screening data layers provide estimated cancer risks, hazards, and PM2.5 concentrations from diesel locomotives and select railyards.

Local Risks and Hazards Analysis Process Flowchart
Outlines screening process for estimating risks and hazards from  projects.

Health Risk Calculator with Distance Multipliers
Estimates screen-level cancer risks, chronic hazard indices, and PM2.5 concentrations using annual emissions data from the Air District's permitting database per Regulation 2, Rule 5 – New Source Review of Toxic Air Contaminants. This tool should only be used for permitted facilities where screening-level risks have not already been calculated by the Air District. This tool should not be used for permitted gas stations. For gas dispensing facilities, please use California Air Resources Board's Gas Station Risk Assessment Screening Tool, which is listed below.

California Air Resource Board Gas Station Risk Assessment Guidance and Tool 
A tool developed by CARB for assessing gas station risk and health impacts.

AERMOD-Ready Meteorological Data
AERMOD-ready meteorological data sets for 35 sites in the Bay Area for five years of data, 2013 through 2017, processed with AERMET version 18081. Additional data years can be obtained by submitting a public records request.

Alison Kirk
Nhà Hoạch Định Môi Trường Cao Cấp

415.749.5169 akirk@baaqmd.gov

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Last Updated: 18/04/2022