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campaign of sampling K Basin canister sludge. Specifically, samples 'will be taken from the sealed K West Basin fuel canisters. Characterization of the sludge in these canisters will address the needs of fuel retrieval which are to collect and transport sludge which is currently in the canisters. Data will be gathered on physical properties (such as viscosity, particle size, density, etc.) as well as on chemical and radionuclide constituents and radiation levels of sludge. The primary emphasis will be on determining radionuclide concentrations to be deposited on Ion Exchange Modules (IXMs) during canister opening and fuel retrieval. The data will also be useful in determining whether K West Basin sludge meets the waste acceptance criteria for Hanford waste tanks as a backup disposal concept and these data will also supply information on the properties of sludge material 'which will accompany fuel elements in the Multi-Canister Overpacks (MCOs) as envisioned in the Integrated Process Strategy (IPS). Data Quality Objectives have been developed for a limited rRADEMARK DISCLAIMER. Reference herein t o any specific comnercial product, process, or service by trade name, trademark, manufacturer, or otheruise, does not necessarily constitute or imply i t s endorsement, r e c m e m i a t i o n , or favoring by the United States Goverment or any agency thereof or i t s contractors or subcontractors. IPrinted i n the United States o f America. To obtain copies of t h i s d o c w n t , contact: UHC/BCS llocment Control Services, P.O. Box 1970, Mailstop H6-08, Richlard UA 99352, Phone (

This document addresses the characterization strategy for those types of S1udge not previously characterized or discussed in previous DQO documents. It seeks to ascertain those character sties of uncharacterized S1udge which are unique with respect to the properties already determined for canister and K East 8asin floor S1udge. Also recent decisions have resulted in the need for treatment of the S1udge prior to its currently identified disposal path to the Hanford waste tanks. This has resulted in a need for process development testing for the treatment system development. TRADEMARK DISCLAIMER. Reference herein to any Specific cormnerci a(product, process, o! service by trade name, trademark, manufacturer, or otherwise, does not necessari lY constitute or lmpL y its endorsement, reconrnendat i on, or favoring by the Uni ted States Govermnent or any agency thereof or its cent ractors or subcontractors.

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