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Step 6: Community Engagement

​Community engagement includes sending a postcard to all residences/businesses within a 1.5 km radius from the facility. If the area of potential risk is larger than 1.5 km the radius will be expanded to cover all areas of potential risk. For some facilities, a public meeting may be required to discuss the results of the risk assessment with members of the community.

​​There are different Risk Action Levels (RALs) for new and existing facilities [OAR 340-245-8010 Table 1]; community engagement is required when a facility's risk assessment demonstrates that the following RALs are exceeded:
  • Existing facilities:
    • Excess Cancer Risk of 25 per million
    • Hazard Index of 1
  • New Facilities:
    • Excess Cancer Risk of 5 per million
    • Hazard Index of 1

Cleaner Air Oregon frequently asked questions for facilities 

The frequently asked questions (FAQs) on this page are provided to answer common questions about completing air toxics risk assessments for the Cleaner Air Oregon program, and ensure consistency across assessments. As the Cleaner Air Oregon process evolves, DEQ will update this page with common questions or unique scenarios. If there is a question you would like to see answered or have feedback on a response below, please contact us at

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