Currently codified under CERCLA at 42 U.S.C. The Hazard Ranking System (HRS) is the primary tool the EPA uses to determine which uncontrolled waste sites to place on the NPL. 2601 et seq.) governs the importation into the customs territory of the United States of a chemical substance in bulk form or as part of a mixture, and articles containing a chemical substance or mixture.Such importations are also governed by these regulations. The Congress finds that-(1) human beings and the environment are being exposed each year to a large number of chemical substances and mixtures (2) among the many chemical substances and mixtures which are constantly being developed and produced, there are some whose manufacture, processing, distribution in commerce, use, or disposal. The basic structure of the Toxic Substances Control Act (TSCA) of 1976 has never been amended, but recent legal, scientific, and technological changes are prompting some policy makers to reexamine the law. The Toxic Substances Control Act (TSCA) (15 U.S.C. SARA also directed the EPA to revise the Hazard Ranking System (HRS) to ensure that the relative degree of risk to human health and the environment posed by uncontrolled hazardous waste sites was taken into account when deciding which sites were placed on the National Priorities List (NPL). Section 2601 - Findings, policy, and intent (a) Findings. SARA emphasizes the importance of finding permanent remedies for cleaning up hazardous waste sites, requires Superfund actions to consider requirements contained in other applicable state and federal laws and regulations, enhanced enforcement authority, increased State involvement in Superfund activities, focused on human health problems associated with hazardous waste, and encouraged citizen participation in hazardous waste cleanup decisions.

SARA significantly amended the Comprehensive Environmental Response, Compensation, and Liability Act in 1986.

Toxic subtances control act s 2601-2697