Regulation & law · 03/10/2011Updated: 10/17/2026 · 1 min read

EPA Partially Approves Colorado's Revisions to Air Pollutant Emission Notice Regulations

Summary

The US Environmental Protection Agency (EPA) has partially approved and partially disapproved State Implementation Plan (SIP) revisions submitted by the State of Colorado, which include changes to the Air Pollutant Emission Notice (APEN) regulations for stationary sources and exemptions.

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

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