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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.

July 28, 1988 Supplemental Guidance on Implementing the North County Prevention of Significant Deterioration (PSD) Remand 8.27

The memo discusses 2 issues that have arisen from the Administrators remand decision in the North County PSD permit appeal, and that are beyond the scope of the September 22, 1987, document providing initial guidance on the subject.
    (1) Although BACT is determined case-by-case, the permitting authority must consider the full range of pollution control options available and choose the most effective means of limiting emissions, unless shown compelling reasons of economic or energy impracticality.

    (2) Emission of noncriteria pollutants should be evaluated carefully, including consultation with the sources listed. Where a municipal waste combustor is involved, OAQPS has provided rather detailed guidance on methods to factor air toxics considerations into the BACT decision.

    (3) In the public notice, the level of detail and identification of specific toxic substances should be consistent with the concern posed by the air toxics.

Notebook Entries: 10.34

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