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### UNITED STATES ENVIRONflAENTAL PROTECTION AGENCY

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u WASHINGTON, D.C. 20460 

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## JAN 17 2001

OFFICE OF AIR AND RADIATION



## Davicl Moocly, Ph.D., Manager Ca•Isbad rield Office U.S. Department of Ptiergy P.O. T3ox 3090 

## Carlsbad, NM 88221-3090 Dear Dr. Moody: This is in response to your Novetnber 15, 2006 request for the Environmental ProtectionAgency's (LPA) approval ofthe WIPP Waste Inl'ormation System (WWIS) for tracking remoteliandled (RI-1) waste characterized by the Central.Characterization Proiect (CCP) at the Iclaho National Laboratory (INL) and the ArBonne National Laboratory (ANL). IsPA condt)cted a baseline inspection of INL CCP RH (Inspection Namber CPA-INi. CCP-RI-f-06.06-8) during dune 2006 (witli follow up inspections in July and August 2006) ancl ANL CCP RIi (Inspeetion Nnmber PPA-ANI CCP-RH-09.06-8) cltu•ing September 2006, to assess the characterization of transuranic (1"RU) waste in accordance witli )JPA regulations (40 CFR 194.8(b)(3), 40 CFR 194.8(c) and 40 CFR 194.24). LPA's proposed baseline approvals established a tiered system for evaluating changes to the approved INL CCP RFI ancl ANL CCPRI-I waste characterization programs (EPA Air pocket No: A-98-49; II-A4-69 and A-98-49; IIA4-70). E-PA's baseline approval datecl 7anuary 12, 2007, and .lanuary 16, 2007, allowecl the charaeterization and disposal at the Waste Isolation Pilot Plant (WIPP) of retrievably-stored, Itl I TRU debris waste from INL and ANL, respectively (i3PA Air pocl(et No: A-98-49; II-A4-72 and A-98-49; II-A4-73). However, during the baseline inspections T'PA did not evaluate the WWIS for compliance, 

## hPA iclentitiecl the W WIS as a Tier 1 ehange, whieli requires CPA approval prior its use for tracicing waste to be disposed o('at WIPP. As statccl in the bascline reports, the WWIS neccled to be approved prior to clisposal of any RI I waste at WIPP. AccorcHng to the rcquirements of 40 CFIZ 194.8 (b), DOIr appropriately requested approval of W WIS for Rl-1 waste from INL and ANL as a'['ier 1 cliange to the INL CCP RIT ancl ANL CCP Ri-T baseHrne approvals.

Rucyclod/Rocyclnblo .('rintod wilh Vopolcblo OII nasod Inks on ioot nocyclod Pnpor (40%Poetconsumor)

## EPA conducted a review of W WIS data entry and waste component tracicing by

interactive conference call on Novernber 21, 2006. EPA reviewed the W WIS doctnnentation in the "test" mode for RI-I waste from INL CCP and ANL CCP. The enclosed inspection report gives the cletails of EPA's review. EPA dicl not iclentify any findings or concerns from tbis review. With this approval, CCP can irnplement the WWIS to enter and track actual waste component data. EPA will, however, evaluate the submission of actual/complete RI-I waste characterization clata into the W WIS sliortly after thcfirst ahipment of REI waste containers 6•om 

## INL. Approval Summary EPA lias cleterniinecl that the W WIS system is adequate for tracking the components of RL-I waste characterized by INL CCP and ANL CCP. Aclditionally, EPA is adding a Tier 2 element for W WIS as a result of this evaluation as reflected 'ui the enelosecl Table I for INI CCP (approved January 12, 2007, Doel(et no. A-98-49;II-A4-72) and 'Table II for ANL-CCP RII (approved January 16, 2007, Doel(et no. A-98-49, IIA4-73). AIl other assigned tiering tlesignations remain applicable. The cnclosure to this letter reflects those changes. 

## If you have any qtrestions regarciing this approval, please contact Ed Feltcorn at (202) 343-9422 or Rajani Joglelcar at (202) 343-9462.


## Sinecrely, 

# A~ 

# mtc ,1uan Reyes, Director Radiation Protection Division Enelostn•es


### cc: Electronic Distribution 

## Frank Mareinowski, DOE I-IQ Lloyd Piper, C13F0 Vernon Daub, CBFO Ava Ffolland, CBFO Cotu•tlancl Fesmire, CBFO Norma Castanecla, CBFO Martin Navarrete, CBFO Dennis Mielils, CBFO Allison Pangle, CTAC Wayne Ledl'orcl, CTACOA



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