Comment – Public Participation for “Minor” New Source Review Permitting
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PEER | August 21, 2026
Comments to EPA Administrator Zeldin opposing the proposed rule eliminating public participation requirements for “minor” new source review permitting ...
Groups Challenge Trump Administration’s Phoenix Ozone Pollution Waiver
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PEER | May 22, 2026
EPA Blamed City’s Air Violations on Asia, Mexico in Granting Free Pass to Pollute ...
Comment – EPA proposal re: Phoenix Mesa NAA 2015 ozone NAAQS
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PEER | December 19, 2025
Comments on the EPA proposal to determine that the Phoenix-Mesa ozone NAA would have attained the 2015 ozone NAAQS by its August 3, 2024, but for emissions emanating from outside the United States ...
Comment – Colorado Air Plan Approval
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PEER | June 24, 2025
Comments re: Air Plan Approval; Colorado; Serious Attainment Plan Contingency Measures for the 2008 8-Hour Ozone National Ambient Air Quality Standards for the Denver Metro/North Front Range Nonattainment Area ...
Letter to Governor Polis – Colorado’s Clean Air Tools
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PEER | October 15, 2024
Letter to Colorado Governor Jared Polis regarding Colorado’s Clean Air Tools to Reduce Front Range Smog ...