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Internal Dosimetry Co-Exposure Data for the Savannah River Site

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Internal Dosimetry Co-Exposure Data for the Savannah River Site Page 1 of 287 DOE Review Release 09/04/2020 ORAUT-OTIB-0081 Rev. 05 Internal Dosimetry Co-Exposure Data for the Effective Date: 09/01/2020 Savannah River Site Supersedes: Revision 04 Subject Expert(s): Matthew G. Arno, James M. Mahathy, and Nancy Chalmers Document Owner Signature on File Approval Date: 08/24/2020 Approval: Matthew G. Arno, Document Owner Concurrence: Signature on File Concurrence Date: 08/24/2020 John M. Byrne, Objective 1 Manager Concurrence: Signature on File Concurrence Date: 08/24/2020 Scott R. Siebert, Objective 3 Manager Concurrence: Vickie S. Short Signature on File for Concurrence Date: 08/24/2020 Kate Kimpan, Project Director Approval: Signature on File Approval Date: 08/25/2020 Timothy D. Taulbee, Associate Director for Science FOR DOCUMENTS MARKED AS A TOTAL REWRITE, REVISION, OR PAGE CHANGE, REPLACE THE PRIOR REVISION AND DISCARD / DESTROY ALL COPIES OF THE PRIOR REVISION. New Total Rewrite Revision Page Change Document No. ORAUT-OTIB-0081 Revision No. 05 Effective Date: 09/01/2020 Page 2 of 287 PUBLICATION RECORD EFFECTIVE REVISION DATE NUMBER DESCRIPTION 02/08/2013 00 New technical information bulletin to provide internal coworker data for the Savannah River Site. Incorporates formal internal and NIOSH review comments. Training required: As determined by the Objective Manager. Initiated by Matthew Arno. 04/01/2013 01 Revision initiated to correct the values provided in Tables 5-6, Type S uranium intake rates for 1968 through 2007, 5-10, changed end date from 2006 to 2007, A-3, plutonium bioassay data for 1955 through 2007, and A-8, neptunium bioassay data for 1991 through 2007. Incorporates formal internal review comments. No changes were made as a result of formal NIOSH review. No sections were deleted. Training required: As determined by the Objective Manager. Initiated by Matthew G. Arno. 12/16/2013 02 Revision initiated to add dose reconstruction guidance for radionuclide assignment in response to an ABRWH request. Text added in Section 5.0 and a new Table 5-1 added. Intake rates for Cm and Cf added for the pre-1995 time period. Incorporates formal internal and NIOSH review comments. Training required: As determined by the Objective Manager. Initiated by Matthew G. Arno. 11/22/2016 03 Revision initiated to address the coworker study Implementation Guide requirements for americium, thorium, and tritium. Incorporates formal internal and NIOSH review comments. Constitutes a total rewrite of the document. Training required: As determined by the Objective Manager. Initiated by Matthew G. Arno. 03/13/2019 04 Revision initiated to address the coworker study implementation guide requirements for plutonium, uranium, neptunium, cesium, cobalt, and mixed fission products. Adds executive summary. Incorporates formal internal and NIOSH review comments. Constitutes a total rewrite of the document. Training required: As determined by the Objective Manager. Initiated by Matthew G. Arno. 09/01/2020 05 Revision initiated to add the intake rates for type SS plutonium, use the ORAUT-RPRT-0096 multiple imputation method for americium bioassay data, update americium and thorium intake rates, and reference ORAUT-RPRT-0070 for thorium intake rates. Incorporates formal internal and NIOSH review comments. Constitutes a total rewrite of the document. Training required: As determined by the Objective Manager. Initiated by Matthew G. Arno. TRADEMARK INFORMATION TEVA® is a registered trademark of Teva Pharmaceutical Industries in the United States and/or other countries. Document No. ORAUT-OTIB-0081 Revision No. 05 Effective Date: 09/01/2020 Page 3 of 287 TABLE OF CONTENTS SECTION TITLE PAGE Acronyms and Abbreviations ................................................................................................................ 20 Executive Summary .............................................................................................................................. 23 1.0 Introduction ............................................................................................................................... 27 2.0 Purpose ..................................................................................................................................... 27 3.0 General Methods ...................................................................................................................... 27 3.1 Data Sources ................................................................................................................ 28 3.1.1 Completeness of Claims Tracking System Data ............................................ 28 3.1.2 Accuracy of Claims Tracking System Data .................................................... 28 3.2 Stratification .................................................................................................................. 29 3.2.1 Worker Classification Background .................................................................. 30 3.2.2 Worker Classification Methodology ................................................................ 38 3.2.3 Worker Classification Quality Assurance........................................................ 40 3.3 Evaluation of Missed Dose ............................................................................................ 41 4.0 Radionuclide Analyses .............................................................................................................. 41 4.1 Americium ..................................................................................................................... 41 4.1.1 Data Adequacy ............................................................................................... 41 4.1.1.1 Personnel Monitoring .................................................................. 41 4.1.1.2 Applicability to Unmonitored Workers ......................................... 42 4.1.1.3 Bioassay Analysis Techniques .................................................... 43 4.1.1.4 Paired Measurements Sample Variance ..................................... 44 4.1.2 Data Validation ............................................................................................... 44 4.1.2.1 Logbook Data Completeness ...................................................... 44 4.1.2.2 Data Quality ................................................................................. 45 4.1.2.3 Data Interpretation ....................................................................... 45 4.1.2.4 Data Exclusion ............................................................................ 45 4.1.3 Statistical Analysis .......................................................................................... 46 4.1.4 Intake Modeling .............................................................................................. 46 4.2 Tritium ........................................................................................................................... 49 4.2.1 Data Adequacy ............................................................................................... 49 4.2.1.1 Personnel Monitoring .................................................................. 49 4.2.1.2 Applicability to Unmonitored Workers ......................................... 50 4.2.1.3 Bioassay Analysis Techniques .................................................... 50 4.2.2 Data Validation ............................................................................................... 51 4.2.3 Intake Modeling and Statistical Analysis ........................................................ 51 4.3 Plutonium ...................................................................................................................... 54 4.3.1 Data Adequacy ............................................................................................... 54 4.3.1.1 Personnel Monitoring .................................................................. 54 4.3.1.2 Applicability to Unmonitored Workers ......................................... 55 4.3.1.3 Bioassay Analysis Techniques .................................................... 55 4.3.2 Data Validation ............................................................................................... 56 4.3.2.1 Data Completeness and Quality .................................................. 56 4.3.2.2 Data Interpretation ....................................................................... 56 4.3.2.3 Data Exclusion ............................................................................ 56 4.3.3 Statistical Analysis .......................................................................................... 56 Document No. ORAUT-OTIB-0081 Revision No. 05 Effective Date: 09/01/2020 Page 4 of 287 4.3.4 Intake Modeling .............................................................................................. 56 4.4 Uranium ......................................................................................................................... 64 4.4.1 Data Adequacy ............................................................................................... 64 4.4.1.1 Personnel Monitoring .................................................................. 64 4.4.1.2 Applicability to Unmonitored Workers ......................................... 65 4.4.1.3 Bioassay Analysis Techniques .................................................... 65 4.4.2 Data Validation ............................................................................................... 66 4.4.2.1 Data Completeness and Quality .................................................
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