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Visibility and Haze

EPA Makes Findings of Failure to Submit State Implementation Plans (SIPs) - 1999 Regional Haze Program

January 9, 2009 - EPA issued findings that 37 states, the District of Columbia, and the Virgin Islands states missed Clean Air Act deadlines for submitting plans, or elements of plans, for implementing EPAs Regional Haze Program.

  • Rule (PDF) (18 pp, 325 K) - Federal Register - Jan 15, 2009
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