Effective May 2024, EPA tightened the annual health-based National Ambient Air Quality Standard (NAAQS) for fine particulate matter (PM2.5) from 12.0 µg/m3 to 9.0 µg/m3. This change was made after a review of the available...more
In early 2020, the Alabama Environmental Management Commission promulgated rules establishing procedures by which the Department of Environmental Management will regulate land application of eligible non-hazardous by-product...more