This document clarifies the U.S. Environmental Protection Agency (EPA) preferred approach for the consideration of background constituent concentrations of hazardous substances, pollutants, and contaminants in certain steps of the remedy selection process
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.-
Role of Background in the CERCLA Cleanup Program (PDF)(10 pp, 148 K)
This document clarifies the U.S. Environmental Protection Agency (EPA) preferred approach for the consideration of background constituent concentrations of hazardous substances, pollutants, and contaminants in certain steps of the remedy selection process