WASHINGTON (October 15, 2020) — Today, the U.S. Environmental Protection Agency (EPA) is proposing revisions to the Cross-State Air Pollution Rule (CSAPR) Update to address interstate air quality impacts for the 2008 ozone air quality standards.

WASHINGTON (October 15, 2020) — Today, the U.S. Environmental Protection Agency (EPA) is proposing revisions to the Cross-State Air Pollution Rule (CSAPR) Update to address interstate air quality impacts for the 2008 ozone air quality standards.