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^ J.1 INTRODUCTION APPENDIX J APPLICABLE OR RELEVANT AND APPROPRIATE REQUIREMENTS DOE/RI.2001-11 Rev. Cl Draft T3A Section 121 of the Comprehensive Environmental Response, Compensation, and IdablllryAct of 1980 (CERCLA), as amended, establishes cleanup standards for remedial actions at National " Priorities List sites. Section 121 requires, in part, that any applicable or relevant and appropriate standard, requirement, criteria, or limitation under any Federal environmental law, or any more stringent state requirement promulgated pursuant to a state environmental statute, be met (or a waiver justified) for any hazardous substance, pollutant, or contaminant that will remain on site after completion of remedial action. In addition, 40 Code ojFederal Regulations (CFR) 300.435(b) requires that all applicable or relevant and appropriate requirements (ARARs) be met (or waived) during the course of the remedial action. When requirements are identi6ed, a determination must be made as to whether those requirements are applicable or relevant and appropriate. A requirement is applicable if the specific terms (orjurisdictional prerequisites) of the law or regulations directly address the circumstances at a site. If not applicable, a requirement may nevertheless be relevant and appropriate if (l) circumstances at the site are, based on best professional judgment, sufficiently similar to the problems or situations regulated by the requirement; and (2) the use of the requirement is well suited to the site. To-be-considered (TBC) information is nonpromulgated advisories or guidance issued by Federal or state governments that are not legally binding and do not have the status of potential ARARs. In some circumstances, TBCs will be considered along with ARARs to determine the remedial action necessary for protection ofhuman health and the environment. The TBCs complement ARARs in determining what is protective at a site or how certain actions should be implemented. The U.S. Environmental Protection Agency (EPA) has developed a two-volume guidance document for preparing ARARs, titled CERCLA Compliance with Other Laws Manual, Interim Final (EPA 1988,1989). This guidance document defines three categories of ARARslfBCs: • Chemical-specific requirements are usually health- or risk-based numerical values or methodologies that, when applied to site-specific conditions, result in the establishment of numerical values. These values establish the acceptable amount or concentration of a contaminant that may be found In, or discharged to, the ambient environment. ^ • Action-specific requirements are usually technology- or activity-based requirements or limitations triggered by the remedial actions performed at the site. Final Feasibility Sn+dyjor the t:arryon Dtrposlr(on lnitiatlve (211-U Facility) Septnnber^^l J-1 I
^ Appendix J- Applicable or Relevant and •• • DoFlRIr20o 1-1 t•` •••' Appropriate Requirements ... Rev.A I nralt 6A • Redline/Strikeout ;•..Location-specific requirements are restrictions placed on the concentration of dangcrous :substances or the conduct of activities solely because they occur in special geographic areas. The information presented In this appendix contains asumman• discussion of how each remedial alternative evaluated for the 221-U Facility will comply with key ARARs/TBCs. I)etailed Mists of potential federal and state ARARs/TBCs are presented in Tables J-1 and J-2, respectively. Because the No Action alternative does not no associated ARARs or TBCs-+efawaatiet natbeen provided for this alternative . J.2 STANDARDS FOR SOIL CLEANUP AND GROUNDWATER AND RIVER PROTECTION The Nashingrox Admixislratfve Code (WAC) 173-340 e+xl-establishes cleanup standards (including cleanup levels and points of compliance) for nonradioactive contaminants in soil and groundwater. In setting standards, AtTVA-WAC 173-340 prescribes a methodology for calculating cleanup levels based on potential land use and exposure assumptions. In addition, ?.t FF,L WAC 173-340 specifies that soil and groundwater cleanup must be accomplished so that other interconnected media, such as adjacent surface waters, are protected. For a containment alternative, AIT4'-A WAC 173-340 acknowledges that numeric cleanup levels uill not be attainedaMAGI be-- mo but that reliance on controls (e.g., barriers, groundwater monitoring, and institutional controls) will be used to preclude contact above the numeric cleanup levels and minimize the migration of hazardous substances. 'It is assumed that all waste management facilities will be closed after a period of 50 ycars arid the 200 Areas will be restricted to public entry for an additiona1100 years by enforcement of effective institutional controls. After that time, although institutional controls would still exist, it is presumed that an intruder could obtain access to the area and establish a residence, although the presence of effective barriers would prevent access to contaminated materials. It is assumed that Aafter the cessation of waste management operations, remediation goals for radioactive wastes and radioactively contaminated soils for human receptors «•illaFo eensidei-ei to be based on the EPA radionuclide soil cleanup guidance. The EPA has not promulgated regulations on radioactive soil contamination. However, it has been stated in a directive (EPA 1999) that at CERCLA sites, a 10 to 10'6 incremental cancer risk range must be achieved for radionuclides to be considered protective of human health and the environment in lieu of less stringent standards promulgated by the NRC at 10 CFR 20 Subpart E. At 1 lanford. a 15 mrem/yr dose above background (generally representing a risk level of Final Fearibiliry Srrrdyfor the Canyon Dfspoairion InlrlarHe (221-UFaeNiry) 94ptOR11urNO I September_ZM2 J-2
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AR TARGET SHEET The following docum
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(^N r^ r Proposed Plan for the Cany
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^ (^N t^ the steHitFths+amedielaeti
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o"N DOF/RIr2001-29 Draft D Redline/
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(^N i0,"% / ' DOF/RL-2001-29 Draft
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! ' t^ Project Prepare the existing
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f ' ^ rN 100 I Noise, Visual, and A
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^ POINTS OF CONTA CP ^ U.S. Drnartm
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f^ n DOF/RL-2001-29 Draft D Redlinc
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noFIRL-2001-11 Rev. p 1 1)raft P ^
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t^ Appendix C - Risk Modeling of an
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Appendix D- Slope Stability Analysi
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Appendix D - Slope Stability Analys
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Appendix E - Detailed Description o
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t^N (M"N Final Feasibifity Stady ja
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