air pollution

Letter to the EPA Inspector General Requesting Review of Colorado Air Quality Non-Enforcement

by PEER | March 30, 2021
DESCRIPTION: Request for Review of Intentional Non-Enforcement of National Ambient Air Quality Standards by Colorado Department of Public Health & Environment Pursuant to State Implementation Plan Under the Clean Air Act, 42 U.S.C. § 7401 et seq. TO: EPA, Office of the Inspector ...

Beyond 2020: Pollution Enforcement

by Tim Whitehouse | January 13, 2021
The strength of pollution regulation in the U.S. relies on enforcement, and the agency in charge is falling down on the job ...

I-70 Expansion Modeling Report (PDF)

by PEER | May 8, 2018
Air Modeling for PM 2.5 & PM 10 for I-70 East Phase1 demonstrates that the project will violate NAAQS PM 2.5 ...

Who Turned off Air Pollution Monitor During Bridge Closure?

by PEER | February 27, 2014
U.S. EPA to Investigate Why Key Air Monitor Went Offline for Nearly Three Days ...