AB 2588 Public Notification

Under the Air Toxics “Hot Spots” Information and Assessment Act, the operator of a facility must provide notice to all exposed persons if, in the judgment of the South Coast AQMD, the facility’s health risks assessment indicates there is a significant health risk associated with air toxic emissions from the facility.  The South Coast AQMD public notification thresholds are as follows:

  • Cancer risk > 10 chances in-one-million, or

  • Total acute hazard index (HI) > 1.0, or

  • Total chronic HI > 1. 0

The notice is made in accordance with procedures specified by the South Coast AQMD, which are as follows:

  • Identify the impact area, that is, the area above the notification thresholds;

  • Coordinate with school administrators for the preferred method to notify parents and students for impacted schools;

  • Distribute public notice materials to all addresses in the area of impact;

  • Conduct a public meeting; and

  • Provide a hardcopy and electronic version of the HRA report with any necessary redactions. The hardcopy, at the South Coast AQMD Library, and the electronic version, on the South Coast AQMD website, will be available for no less than 18 months following the approval of the HRA.

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South Coast Air Quality Management District

21865 Copley Dr, Diamond Bar, CA 91765



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