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Compliance and Enforcement Annual Results:
Important Environmental Problems / National Priorities

FY2006 Annual Results Topics

Priority: New Source Review and Prevention of Significant Deterioriation

Problem: Modifying a source to increase capacity or extend its life has the potential to considerably increase the amount of pollution from the source. These projects can release nitrogen oxides (NOx), sulfur dioxide (SO2), and other harmful air pollutants. These pollutants contribute to respiratory illness and heart disease, contribute to the formation of acid rain, reduce visibility, and can be transported over long distances before deposition on land or water. The Clean Air Act (CAA) requires installation of state-of-the-art pollution controls when new sources of emissions are constructed or when existing sources are modified in a manner that increases air pollution. These requirements are identified as New Source Review/Prevention of Significant Deterioration (NSR/PSD). Noncompliance with the NSR/PSD provisions of the CAA results in inadequate control of emissions and the release of thousands of tons of illegal pollution into the atmosphere each year.

Key Results:

.chart for new source review results

Case Highlights:

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Annual Results by Fiscal Year:
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