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ORAU Team Document Number: ORAUT-TKBS-0014-2

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ORAU Team Document Number: ORAUT-TKBS-0014-2 ORAU Team Document Number: ORAUT-TKBS-0014-2 Dose Reconstruction Project for NIOSH Effective Date: 10/25/2006 Revision No.: 01 PC-2 Technical Basis Document for the Y-12 National Security Complex Controlled Copy No.:_______ – Site Description Page 1 of 35 Subject Expert: Karin Jessen Supersedes: Document Owner Approval: Signature on File Date: 01/11/2005 William E. Murray, TBD Team Leader Revision No.: 00 Approval: Signature on File Date: 01/11/2005 Judson L. Kenoyer, Task 3 Manager Concurrence: Signature on File Date: 01/11/2005 Richard E. Toohey, Project Director Approval: Signature on File Date: 01/19/2005 James W. Neton, Associate Director for Science TABLE OF CONTENTS Section Page Record of Issue/Revisions ................................................................................................................... 3 Acronyms and Abbreviations ............................................................................................................... 5 2.1 Introduction .............................................................................................................................. 7 2.1.1 Purpose ........................................................................................................................ 8 2.1.2 Scope ........................................................................................................................... 8 2.1.3 The Missions of the Y-12 Plant ..................................................................................... 8 2.2 Operating Contractors .............................................................................................................. 9 2.3 Site Activities .......................................................................................................................... 10 2.4 Site Processes ....................................................................................................................... 11 2.4.1 Electromagnetic Enrichment (1943–1947) .................................................................. 13 2.4.2 Feed Preparation for Enrichment Operations (1943–1947) ......................................... 13 2.4.3 Uranium Reclamation and Salvage Operations (1944–1951) ..................................... 13 2.4.4 Uranium Preparations and Recycle for Weapon Component Operations (1949–1995) ............................................................................................. 14 2.4.5 Uranium Forming and Machining for Weapon Component Operations (1949–1995) ............................................................................................. 15 2.4.6 Weapon Component Assembly Operations (1952–1995) ........................................... 15 2.4.7 Stockpile Stewardship and Maintenance (1996–2003) ............................................... 15 2.5 Facilities ................................................................................................................................. 15 2.6 Waste Treatment and Disposal Operations ............................................................................ 19 2.7 Criticality Accident .................................................................................................................. 20 Effective Date: 01/19/2005 Revision No. 01 Document No. ORAUT-TKBS-0014-2 Page 2 of 35 2.8 Radionuclides and Radiation Sources .................................................................................... 21 2.8.1 Uranium ...................................................................................................................... 21 2.8.2 Recycled Uranium ...................................................................................................... 21 2.8.3 X-Ray and Electron Generating Equipment ................................................................ 21 2.8.4 Radionuclide and Neutron Sources ............................................................................ 21 2.8.5 Special Nuclear Material ............................................................................................. 22 2.8.6 Transuranics ............................................................................................................... 22 2.8.7 Thorium ...................................................................................................................... 22 2.8.8 Lithium ........................................................................................................................ 23 2.9 Solubility and Insolubility ........................................................................................................ 23 References ........................................................................................................................................ 26 Glossary ............................................................................................................................................ 28 Attachment B – Site Description ........................................................................................................ 30 LIST OF TABLES Table Page Table 2.3-1. Radionuclides of concern ...................................................................................... 11 Table 2.4-1. Process chronology of operations ......................................................................... 11 Table 2.4-2. Key uranium operations ........................................................................................ 12 Table 2.5-1. Key uranium facilities ............................................................................................ 17 Table 2.8.4-1. Known sealed radiation sources ........................................................................... 22 Table 2.9-1. Chemical formulas and solubility class .................................................................. 24 Table 2.9-2. Solubility of material for various buildings and work areas as calculated by DOSE 66(a) code ......................................................................... 25 Effective Date: 10/25/2006 Revision No. 01 PC-2 Document No. ORAUT-TKBS-0014-2 Page 3 of 35 RECORD OF ISSUE/REVISIONS ISSUE AUTHORIZATION EFFECTIVE DATE DATE REV. NO. DESCRIPTION 11/19/2003 11/19/2003 00 Technical Basis Document for the Y-12 National Security Complex – Site Description. First approved issue. Initiated by William E. Murray. 11/19/2003 09/09/2004 00 PC-1 Deletes unused reference on page 22. First approved page change revision. Initiated by William E. Murray. 01/19/2005 01/19/2005 01 Revises document to incorporate changes from NIOSH Office of General Counsel (OGC), to include a glossary and additional acronyms, to delete two unused references and add one new reference, to update the contents, and to make editorial changes. Approved issue of Revision 01. Initiated by William E. Murray. 01/19/2005 10/11/2005 01 PC-1 Page change initiated to incorporate the definition of U.S.C. on page 5 and details for the definition of a DOE facility on pages 6 and 7. No sections were deleted. First approved page change revision of Revision 01. Retraining is not required. Initiated by William E. Murray. Approval: Signature on File_________________10/06/2005 William E. Murray, TBD Team Leader Signature on File _____________ 10/04/2005 Judson L. Kenoyer, Task 3 Manager Signature on File____________ 10/04/2005 Richard E. Toohey, Project Director Signature on File______________ 10/11/2005 James W. Neton, Associate Director for Science Effective Date: 10/25/2006 Revision No. 01 PC-2 Document No. ORAUT-TKBS-0014-2 Page 4 of 35 ISSUE AUTHORIZATION EFFECTIVE DATE DATE REV. NO. DESCRIPTION 01/19/2005 10/25/2006 01 PC-2 Approved page change revision initiated to add Purpose and Scope Sections on page 8; text and tables were modified to clarify the use of the term recycled uranium and when it was present on the site; and text was added or modified on pages 7 and 8 in Section 2.1. Section 2.4.4 was incorporated into Section 2.4.3. Changes occurred on pages 11-19 and 32-34. This revision results in no change to the assigned dose and no PER is required. Initiated by William E. Murray. The document was revised in response to comments from NIOSH during formal review. Training required: As determined by the Task Manager. Initiated by William E. Murray. Approval: Signature on File________________10/12/2006 William E. Murray, Document Owner Signature on File___________ 10/18/2006 John M. Byrne, Task 3 Manager Signature on File__________ _____ 10/12/2006 Edward F. Maher, Task 5 Manager Signature on File________ _______ 10/23/2006 Kate Kimpan, Project Director Brant A. Ulsh Signature on File for _ 10/25/2006 James W. Neton, Associate Director for Science Effective Date: 10/25/2006 Revision No. 01 PC-2 Document No. ORAUT-TKBS-0014-2 Page 5 of 35 ACRONYMS AND ABBREVIATIONS AEC U.S. Atomic Energy Commission Ci curie CEDE committed effective dose equivalent COLEX column exchange CY calendar year DNFSB Defense Nuclear Facilities Safety Board DOE U.S. Department of Energy DU depleted uranium EEOICPA Energy Employees Occupational Illness Compensation Program Act of 2000 ELEX electrical exchange EU enriched uranium HEU highly enriched uranium IAEA International Atomic Energy Agency ICPP Idaho Chemical Processing Plant ICRP International Commission on Radiological Protection keV kiloelectron-volt kg kilogram LLW low-level waste mCi millicurie MED Manhattan Engineering District MeV megaelectron-volt mg milligram NIOSH National Institute for Occupational Safety and Health NPDES National Pollutant Discharge Elimination
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