This report presents information and references to aid in the selection of 99Tc sorption media for feasibility studies regarding the removal of99Tc from Hanford's low activity waste. The report contains literature search material for sorption media (including ion exchange media) for the most tested media to date, including SuperLig 639, Reillex HPQ, TAM (Kruion), Purolite A520E and A530E, and Dowex lX8.TRADEMARK DISCLAIMER. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer f or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof or its contractors or subcontractors.

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This report is an initial report on the laboratory effort executed under RPP-PLAN-33338, Test Plan for the Assessment of Technetium Leachability in Cement-Stabilized Basin 43 Groundwater Brine. This report delineates preliminary data obtained under subcontract 21065, release 30, from the RJ Lee Group, Inc., Center for Laboratory Sciences. The report is predicated on CLS RPT-816, Draft Report: Assessment of Technetium Leachability in Cement Stabilized Basin 43 Groundwater Brine. This document will be revised on receipt of the final RJ Lee Group, Inc., Center for Laboratory Sciences report, which will contain data subjected to quality control and quality assurance criteria.

This report documents the laboratory testing and analyses as directed under the test plan, RPP-204G7. The overall goal of this task~as to evaluate and compare candidate anion exchange resins for their capacity to rew~ve 7echnetium-99 from 3asin 44 Reverse Osmosis rejeet stream. The candidate re~ins evaluated were Purolite A-53GB, Reillex HPQ, and Sybron IONAC SR-7. TRADEMARK DISClAIMER. R&lerence hweitllo any specilicoomrne«.iaJ product, prooess, or service by trade name. trademark, manuracturer, or olheMise, does not tte<:2Ssariy wl'lStitJJte or Impty its endorsemenl, recommendation, or fa'lOfing by ti'le United Stales Gov8mmlN1! or atly agency lhlreof or Its oolltrddofs or slboonlractol'1. Prtllted ill ltKt Uni!l!ld Stat8s of America. To ObtaItt oopies of It1is ooo.smlll'lt. contact: Doalmenl Control Services,

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