This report tabulates the radiochemical analysis of the 3H evaporator overhead sample for {sup 137}Cs, {sup 90}Sr, and {sup 129}I to meet the requirements in the Effluent Treatment Project (ETP) Waste Acceptance Criteria (WAC) (rev. 6). This report identifies the sample receipt date, preparation method, and analysis performed in the accumulation of the listed values. All data was found to be within the ETP WAC (rev. 6) specification for the Waste Water Collection Tanks (WWCT)

Washington, A. L. II

A. L. II Washington

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Characterization Results For The 2013 HTF 3H Evaporator Overhead Samples

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   Characterization Results for the 2013 HTF 3H Evaporator Overhead Samples A. L. Washington, II December 4, 2013 SRNL-STI-2013-00525, Revision 0   SRNL-STI-2013-00525 Revision 0   ii DISCLAIMER This work was prepared under an agreement with and funded by the U.S. Government.  Neither the U.S. Government or its employees, nor any of its contractors, subcontractors or their employees, makes any express or implied: 1. warranty or assumes any legal liability for the accuracy, completeness, or for the use or results of such use of any information, product, or process disclosed; or 2. representation that such use or results of such use would not infringe privately owned rights; or 3. endorsement or recommendation of any specifically identified commercial product, process, or service. Any views and opinions of authors expressed in this work do not necessarily state or reflect those of the United States Government, or its contractors, or subcontractors.   Printed in the United States of America  Prepared for U.S. Department of Energy     SRNL-STI-2013-00525 Revision 0   iii Keywords: Evaporator Overhead, WAC  Retention: Permanent Characterization Results for the 2013 HTF 3H Evaporator Overhead Samples A. L. Washington, II   December 4, 2013          Prepared for the U.S. Department of Energy under contract number DE-AC09-08SR22470.  SRNL-STI-2013-00525 Revision 0   ivREVIEWS AND APPROVALS   AUTHORS:   ______________________________________________________________________________ A. L. Washington, II, Advanced Characterization and Processing Date   TECHNICAL REVIEW:   ______________________________________________________________________________ S.H. Reboul, Advanced Characterization and Processing Date   APPROVAL:   ______________________________________________________________________________ F. M. Pennebaker, Manager Date Advanced Characterization and Processing   ______________________________________________________________________________ S.L. Marra, Manager Date Environmental & Chemical Process Technology Research Programs   ______________________________________________________________________________ D. J. Martin, Manager Date Tank Farm/ETP Process Engineering Lead    SRNL-STI-2013-00525 Revision 0   vEXECUTIVE SUMMARY  This report tabulates the radiochemical analysis of the 3H evaporator overhead sample for 137Cs, 90Sr, and 129I to meet the requirements in the Effluent Treatment Project (ETP) Waste Acceptance Criteria (WAC) (rev. 6). This report identifies the sample receipt date, preparation method, and analysis performed in the accumulation of the listed values. All data was found to be within the ETP WAC (rev. 6) specification for the Waste Water Collection Tanks (WWCT).   SRNL-STI-2013-00525 Revision 0   viTABLE OF CONTENTS LIST OF TABLES ...................................................................................................................................... vii LIST OF ABBREVIATIONS .................................................................................................................... viii 1.0 Introduction ............................................................................................................................................. 1 2.0 Experimental Procedure .......................................................................................................................... 1 3.0 Results and Discussion ........................................................................................................................... 1 3.1 Quality Assurance ............................................................................................................................... 2 4.0 Conclusions ............................................................................................................................................. 2 5.0 References ............................................................................................................................................... 2  SRNL-STI-2013-00525 Revision 0   viiLIST OF TABLES Table 3-1.  Results of Radiochemical Analysis ............................................................................................ 1   SRNL-STI-2013-00525 Revision 0   viiiLIST OF ABBREVIATIONS  ELN Electronic Laboratory Notebook ETP Effluent Treatment Project SRNL Savannah River National Laboratory WAC Waste Acceptance Criteria WWCT Waste Water Collection Tanks                               SRNL-STI-2013-00525 Revision 0   11.0 Introduction The Tank farm has submitted annual samples from the 3H evaporator overhead stream on August 22, 2013 for radiochemical characterization to verify compliance with the Effluent Treatment Project (ETP) Waste Acceptance Criteria (WAC)1 (rev. 6).  2.0 Experimental Procedure  The 3H annual evaporator overhead samples arrived at the Savannah River National laboratory on August 22, 2013.  Of these four received samples, there were two samples in glass bottles and two in poly bottles.  For this report, a 250 mL sample aliquot was taken from the poly bottles and transferred to a 500 mL sample bottle more suitable for transmittal to the Analytical Development Section (ADS).  Since these samples were relatively low in activity, no dilution was required prior to submittal for analysis.  A blank is normally not used in the radiochemical portion of this analysis and therefore not addressed in this report. Baseline levels of the experiments were confirmed from instrument calibrations.   Three different analytical methods were used by ADS to determine the concentrations of 137Cs, 90Sr, and 129I in the sample. Gamma spectrometry was used to determine the 137Cs concentration.  Radiochemical separation followed by liquid scintillation counting was utilized to determine the 90Sr concentration.  Radiochemical separation followed by low energy gamma photon spectroscopy was utilized to determine the 129I concentration.   3.0 Results and Discussion  The results of the analyses provided in the table below are for a single determination by Analytical Development (AD). For the 129I and 90Sr, the concentration fell below the lower limit of detection.  In these cases, AD reported the lower limit of detection preceded by “<”.  Table 3-1 provides the measured concentrations of 137Cs, 129I, and 90Sr in the annual samples. The samples were submitted from the 3H evaporator overhead, along with the limits given in the current revision of the ETP WAC.1 All radionuclide concentrations in the sample were found to be less than the corresponding ETP WAC limits.    Table 3-1.  Results of Radiochemical Analysis Analyte 3H Evap Overheads (dpm/mL) WWCT Feed Acceptance Limits (dpm/mL) 137Cs 2.65E+02 3.28E+02 90Sr <2.43E+00 1.76E+02 129I <3.33E-02 1.00E+00 SRNL-STI-2013-00525 Revision 0   2 The values listed in Table 3-1 are in good concurrence with previous data. In the 2011 sampling report, the concentrations of these radionuclides were 2.26E+02, <1.64E+01, and <6.06E-01 in units of dpm/mL for 137Cs, 90Sr, and 129I, respectively. 2 The 137Cs concentration has increased about 15% from the 2011 sampling to the current sample.  Additionally, both the 90Sr and 129I concentrations were below the detection limit in both the 2011 and 2013 samples.  3.1 Quality Assurance This report was developed in accordance with the protocols identified in Task Technical and Quality Assurance Plan SRNL-RP-2013-0058.3  Requirements for performing reviews of technical reports and the extent of review are established in manual E7 2.60.  SRNL documents the extent and type of review using the SRNL Technical Report Design Checklist contained in WSRC-IM-2002-00011, Rev. 2. The data from this experiment is contained in an electronic laboratory notebook (ELN).4   4.0 Conclusions The 3H Evaporator Overhead sample was found to be in compliance with the ETP WAC based on the limited radiochemical analysis performed for 137Cs, 90Sr, and 129I. Additionally, the concentrations of the aforementioned radionuclides are in agreement with the previous analysis performed in 2011.   5.0 References                                                      1 “F/H Effluent Treatment Facility Waste Acceptance Criteria,” X-SD-H-00009, Revision 6, June  2012.  2 Washington, A.L., “Report on the Analysis of WAC Samples from Evaporator Overheads for 2011,” SRNL-STI-2011-00660, March 2012.   3 Washington, A.L.,“Task Technical and Quality Assurance Plan for 2013 Evaporator Overhead Sample Analysis,” SRNL-RP-2013-00528, Revision 0, August 2013.   4 Electronic Laboratory Notebook “3H Evaporator Overhead Analysis for 2013,” E5690-00077-01.   SRNL-STI-2013-00525 Revision 0 3   Distribution:  S. L. Marra, 773-A T. B. Brown, 773-A D. R. Click, 999-W S. D. Fink, 773-A C. C. Herman, 773-A E. N. Hoffman, 999-W F. M. Pennebaker, 773-42A W. R. Wilmarth, 773-A Records Administration (EDWS)  P. R. Jackson, DOE-SR, 703-46A K. H. Subramanian, 241-156H  W. A. Drown, 773-41   D. J. Martin, 241-152H A. W. Wiggins, 241-168H H. Bui, 241-152H D. E. Morgan, 241-168H      

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Characterization Results For The 2013 HTF 3H Evaporator Overhead Samples

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