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Note: EPA no longer updates this information, but it may be useful as a reference or resource.

Please see www.epa.gov/nsr/ for the latest information on EPA's New Source Review program.

September 11, 1986 Draft Prevention of Significant Deterioration (PSD) Guidance for Impacts of the North County Resource Recovery PSD Remand 8.14

This memo responds to comments by Region IV on draft guidance on this subject, especially concerns about the applicability of the remand and the need for a consistent scientific basis to use in determining negative health effects of unregulated pollutants. See September 22, 1987, memo from Gerald Emison for current EPA policy guidance.

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