PSD: Prevention of Significant Deterioration

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

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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

• 40 CFR Part 52 (eCFR)

  U.S. Environmental Protection Agency · 40 CFR 52.21

  Not yet reviewed