air pollution

DESCRIPTION: Petition for Rulemaking to Establish Increments for the 1-hour Nitrogen Dioxide and Sulfur Dioxide National Ambient Air Quality Standards; Requesting a final rule, or rules, under the Clean Air Act establishing Class I, Class II, and Class III 1-hour average time increments ...

Conservation groups petition EPA to step in and protect air quality ...

Gutted Reform Bill and New Regs Offer Nothing to Stem Downward Spiral ...

DESCRIPTION: Public comments on Colorado Minor Source NSR Modeling Guideline for Air Quality Permits, submitted via web portal TO: Colorado Department of Health and the Environment, Air Pollution Control Division FROM: Chandra Rosenthal, PEER DATE: May 4, 2023 TAGS: air pollution, ...

Colorado Refuses to Fix Major Underlying Flaws in Approving New Permit ...