Addresses the propriety of approving an otherwise valid Supplemental Environmental Projects (SEP) proposal that will both reduce a civil penalty in an enforcement action and qualify as a project for the Early Reductions Program (ERP) under Clean Air Act (CAA) Section.112. Issued Nov. 1 1991.

• Supplemental Environmental Projects in EPA Settlements Involving Early Reductions under the Clean Air Act (PDF)(2 pp, 132 K)