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Applicable or Relevant and Appropriate Requirements (ARARS)

Section 121(d) of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA) requires that on-site remedial actions attain or waive Federal environmental ARARs, or more stringent State environmental ARARs, upon completion of the remedial action. The 1990 National Oil and Hazardous Substances Pollution Contingency Plan (NCP) also requires compliance with ARARs during remedial actions and during removal actions to the extent practicable. The web pages below provide links to guidance documents designed to assist EPA and State personnel in attaining compliance with ARAR requirements. ARARs are identified on a site-by-site basis for all on-site response actions where CERCLA authority is the basis for cleanup.

An Overview of ARARs
Provides a list of standard guidance documents developed to clarify the processes and considerations associated with ARAR applicability to remedy selection at Superfund Sites.

RCRA-Specific ARARs
Contains guidance on the identification of and compliance with RCRA-based ARARs. Includes a selection of documents pertaining to Land Disposal Restrictions (LDRs).

Federal ARARs for Ground Water Cleanups
Offers pertinent guidance documents that deal with compliance issues concerning State and Federal requirements.

Current Drinking Water Standards
Provides the National Primary Drinking Water Standards developed by EPA to ensure safety of Public Water Systems. Includes MCLs and MCLGs for the following groups of contaminants: Microorganisms, Disinfectants & Disinfection Byproducts, Inorganic Chemicals, Organic Chemicals, and Radionuclides.

OSWER Radiation Guidance for CERCLA Cleanup Levels and ARARs
Offers pertinent guidance documents that deal with complex ARAR issues affecting the clean up of sites with radioactive contamination.

ARAR Waivers
Provides a list of documents that provide guidance on the use of waivers when evaluating ARAR requirements pertaining to remedy decisions.

 

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