Interactive Map Terminology

Brownfields Projects

Abandoned, idled, or under-used industrial and commercial facilities where expansion or redevelopment is complicated by real or perceived environmental contamination. Get more information.

NPL Sites

Sites are listed on the National Priorities List (NPL) upon completion of Hazard Ranking System (HRS) screening, public solicitation of comments about the proposed site, and final placement of the site on the NPL after all comments have been addressed. The NPL primarily serves as an information and management tool. It is a part of the Superfund cleanup process and is updated periodically. Get more information.

Superfund Sites

The Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), commonly known as Superfund, was enacted by Congress on December 11, 1980. This law created a tax on the chemical and petroleum industries and provided broad Federal authority to respond directly to releases or threatened releases of hazardous substances that may endanger public health or the environment. Get more information.

TRI Sites

The Toxics Release Inventory (TRI) is a major EPA database tabulating the releases of toxic chemicals into the environment. Get more information.

UST and Leaking UST Sites

Under RCRA, Congress directed EPA to establish regulatory programs that would prevent, detect, and clean up releases from underground storage tank systems (USTs) containing petroleum or hazardous substances. Get more information.

VCP Sites

Voluntary Release Cleanup Program (VCP) is a program to encourage the voluntary cleanup of sites where there has been a contaminant release threatening public health and the environment. Get more information.

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