ASSESSMENT OF TECHNETIUM LEACHABILITY IN CEMENT STABILIZED BASIN 43 GROUNDWATER BRINE Page: 4 of 14
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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.
2. MATERIALS AND METHODS
This section describes the activities around the Basin 43 Groundwater simulant (referred
hereafter as simulant), testing of technetium getters, distribution coefficients (Ka), cement
matrix, Toxicity Characteristic Leaching Procedure (TCLP), and the American National
Standards Institute Leach Procedure (ANSI Leach). The preliminary results are reported in
2.1 SIMULANT FORMULATION
The simulant used is shown in Table 1. The simulant is a concentrated brine consisting of
approximately 25 wt% salts.
Table 1. Simulant Formulation for
Basin 43 Evaporated Groundwater.
The simulant used was formulated to match the anticipated Basin 43 waste from the Effluent
Treatment Facility. The simulant is based on data obtained from wells 299-W11-45 and
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GA, COOKE; JB, DUNCAN & LL, LOCKREM. ASSESSMENT OF TECHNETIUM LEACHABILITY IN CEMENT STABILIZED BASIN 43 GROUNDWATER BRINE, report, September 30, 2008; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc901603/m1/4/: accessed June 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.