Regulation & law · 05/11/2007

EPA Denies 16 Petitions for Reconsideration of PM2.5 Air Quality Designations

The Environmental Protection Agency (EPA) has denied 16 petitions for reconsideration of the national ambient air quality standards for fine particles (PM2.5), following a review of the petitions and supporting information submitted by the petitioners.

Original source language: Federal Register — All DocumentsOpen original release →

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