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
On October 29, EPA published a proposed revision to its Cross State Air Pollution Rule (CSAPR) Update in response to the remand of the rule by the D.C. Circuit. The CSAPR Update was promulgated under the Clean Air Act’s “Good...more
On April 14, 2020, U.S. EPA proposed to retain the current national ambient air quality standards (NAAQS) for particulate matter (PM) without revision. ...more
Welcome to the Shumaker, Loop & Kendrick, LLP Environmental Update; a monthly publication dedicated to providing content regarding Ohio administrative and regulatory law, as well as up to date information on the Ohio EPA's...more