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f^ ^ (^N Appendix J= Applicable or Relevant and ' ,•. ^• DOFJRLr2oo1-11 ,•- ' Appropriate Requirements Rev. o l rnafi pA ^ Redtine/Strikeout , AlIeFna6va q , . . . ^^ . .^ . ;^.^ , , , " ,. a ll ...: . u.._... ....e...._,,_nrn. . . ................t ..,,..,t....,...o.n: Small quantities of waste may be generated from the placement of a barrier such as contaminated soils and cleanup debris generated during site preparation and construction. Wastes may also be generated during maintenance of the barrier. These wastes may or may not require treatment nrioria-^ to bz-disposaled at the ERDF. It is anticipated, however, that treatment to meet disoosal standards will be achievable. Wastes that will be left in place- unJer all comiinmcnt alternatices include residuals remaining in the 61-cm (24-in.) concrete-encased tile sewer pipe drains located 13.7 m (45 ft) below grade. Limited characterization information (two "opportrmistic" samples of residual material on the skids of the robotic crawler, see Section 2.6) has shown that these residuals may contain quantities of transuranic (alpha-emitting transuranic isotopes with half-lives greater than 20 years)• radionuclides in concentrations greater than 100 nanocuries per gram of waste. Wastes exceeding these eoncentrations-.ea3led arc classified as TRU waste, and must be disposed to the Waste Isolation Pilot Plant deep geologic repository. However, under all of the disposal alternatives, the drain lines will be filled with grout to ensure that a preferential pathway for liquids is not left in place. The resulting solidified residuals would no longer meet the definition ofTRU waste and could be left in place. This assessment complies with various guidance' for concentration averaging of solidified waste matrices. Concentration averaging allows solidified waste to be based on the solidified nuclide activity divided by the volume or weight of the 'For example, M.R.1Cnapp, U.S. Nuclear Regulatory Commission to Commission Licensees. "Issuance orFinat Branch Technical Position on Concentration Averaging and Eneapsulation, Revision in Part to Waste Ctassifcalion Technical Position," dated January 17,1995. Final FearibilirySrudyjor the Canyon Dispos!lion Initiative (221-U Faeiliry) fi,y4tttt"49(31SeptemtxrZLOl J-S 1 ,
^ Appendia J- Applicable or Relevant and • ' DoE/ltt,100l-1 t Appropriate Requirements .. - Rev, e t orArt s,a Redline/Strikeout solidified mass. _In addition, under all of the disposal alternatives, TRU waste in sludge and 17nu:.i :w #wnb in enA C_6 wnnl.l h. ....nv..l a..d di,,.,..n-.i .,. J.4 WASTEWATER MANAGEMENT STANDARDS The federal Clean iVaterAct oj1977 (CWA) cefltrels re ^tttlatas discharges of pollutants to surface waters. The ' 173-216 establishes requirements for discharges to waters of the state through the soil column to ensure that applicable surface water quality standards are met and that beneficial uses of groundwater are preserved. WAC 173-218 establishes requirements for injection of fluids to the ground through wells. J.4.1 Full Removal and Disposal Alternative (Alternative 1) Wastewater management standards may apply to contaminated wastewaters generated as a result of decontamination activities under the full removal and disposal alternative. Potentially contaminated may be discharged to the ground or may need to be collected and taken to the 200 Area's Liquid Effluent Retention Facility for treatment at the Effluent Treatment Facility. If any surface contamination removal work is identified for structures or waste, carbon dioxide blasting or scarifying will be used for its removal instead of water. No wastewater would be discharged to an injection well under this alternative. J.4.2 Containment Alternatives (Alternatives 3, 4, and 6) Decontamination wastewaters will be managed as described for Alternative 1. Stormwater runoff may require collection in some type of percolation/evaporation basin during operation, closure, and post-closure of the 221-U Facility under any of these alternatives if contaminated. Uncontaminated stormwater will not be rcouire collection and will he discharged to the ground The percolation/evaporation basin would be expected to meet standards for waste discharges from stormwater runoff. All known available and reasonable technologies will be implemented in the form of stormwater runon/runotl'management controls. For example, the barrier final design needs to address limiting runoff erosion of the barrier and capture of the runoff in some type of percolation/evaporation basin. No wastewater would be discharged to an injection well under this alternative. J-5 STANDARDS FOR PROTECTION OF THE COLUMBIA RIVER FROM DIRECT DISCHARGES The National Pollutant Discharge Elimination System (NPDES) authority, codified in 40 CFR 122, addresses technology-based limitations and standards, control of toxic pollutants, and monitoring for direct discharges to waters of the United States, including stormwater. Public Final Fearlbiliry Stvr*for the Canyon Disposition lnftfatlve (111-UFacl/ity) Fa1taxil>ar31W tSeptember 2002 1-6 .^
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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 (0-^, (^N 1 2 3 r• • .`•
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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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I f^ ^ DOE!RL-2001-29 Ikaft D Redli
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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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. . .,.. Appendix C - Risk Modeling
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t^ Appendix C - Risk Modeling of an
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(_^% ^ ^ 11 Appendix C - Risk Model
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(0"% t^ DOFJRL-2001-1 l Rev. N 1 Dr
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1 ' ^ ^ DOEJRL-2001-1 t Rev.H1 nraf
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Appendix D- Slope Stability Analysi
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Appendix D - Slope Stability Analys
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(^N Appendix D- Slope Stability Ana
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• Appendix D-Slope Stability Anal
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^ Appendix D-- Slope Stability Anal
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^ (00h^' ^ 2 DOFIRI^2001-I I Rev. J
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t^` ^ ^ 1 2 DOFJRL-2001-11 Rev. JDr
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Appendix E - Detailed Description o
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Appendix E- Detaiied Description of
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t^' Appendix E -Detailed Descriptio
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Appendix F - Detailed Description o
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Appendix F -Detailed Description of
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Appendix T- Detailed Description of
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Appendix F -Detailed Description of
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Appendix F-Detailerl Description of
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^`} Appendix F - Detailed Descripti
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^ (10^' (^N DOF/RL-2001-11 Rev. AjD
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^N r^ 1 n DOF/RLr2061-1 l ' Rev. I
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1 ^ (^N ^ DoFJRL-M-t t ^ Rev. I Dnf
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Appendix G -Detailed Description of
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t^N (M"N Final Feasibifity Stady ja
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