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40 CFR 52.21; 40 CFR 51.166

PSD: Prevention of Significant Deterioration

Major NSR for attainment and unclassifiable areas.
AirPermitHub SummaryNot yet reviewed

Citation

40 CFR 52.21; 40 CFR 51.166

Agency

U.S. Environmental Protection Agency

Record type

AirPermitHub summary

Last reviewed

Pending editorial review

This page orients you to the program and points to specific provisions. It does not restate thresholds, limits, or deadlines. Verify with the official agency source.

Summary

PSD applies to new major stationary sources and major modifications in areas that meet the national ambient air quality standards. PSD permits generally involve a best available control technology (BACT) determination and air quality analyses.

Applicability

Applicability depends on source classification, potential to emit, and project emissions increases as defined in the rule.

  • 40 CFR 52.21(a)(2)Applicability procedures

Requirements

Key elements include BACT, source impact analysis, and additional impact analyses.

  • 40 CFR 52.21(j)Control technology review (BACT)
  • 40 CFR 52.21(k)Source impact analysis
  • 40 CFR 52.21(o)Additional impact analyses

Monitoring

AirPermitHub has not summarized this section yet. Refer to the official source.

Testing

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Recordkeeping

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Reporting

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Definitions

Definitions are in 40 CFR 52.21(b).

  • 40 CFR 52.21(b)Definitions

Official source

Last updated on AirPermitHub: record created in Phase 1. Version history is tracked in the RegulationVersion table.

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