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HNF-55634 - Rev 00.Pdf RADIOLOGICAL DATE: Jan 27, 2015 By Janis D. Aardal at 4:31 pm, Jan 27, 2015 Approved for Public Release; Further Dissemination Unlimited HNF-55634 Revision 0 Hanford External Dosimetry Technical Basis Program Manual Prepared for the U.S. Department of Energy Assistant Secretary for Environmental Management Contractor for the U.S. Department of Energy under Contract DE-AC06-09RL14728 P.O. Box 650 Richland, Washington 99352 Approved for Public Release; Further Dissemination Unlimited HNF-55634 Revision 0 Hanford External Dosimetry Technical Basis Program Manual Document Type: TR Program/Project: RSS R. L. Hill Mission Support Alliance Date Published January 2015 Prepared for the U.S. Department of Energy Assistant Secretary for Environmental Management Contractor for the U.S. Department of Energy under Contract DE-AC06-09RL14728 P.O. Box 650 Richland, Washington 99352 By Janis D. Aardal at 4:32 pm, Jan 27, 2015 Release Approval Date Approved for Public Release; Further Dissemination Unlimited HNF-55634 Revision 0 TRADEMARK DISCLAIMER Reference herein to any specific commercial product, process, or service by tradename, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof or its contractors or subcontractors. This report has been reproduced from the best available copy. Printed in the United States of America HNF-55634 Revision 0 PREFACE The Hanford External Dosimetry Program (HEDP) provides support to the U.S. Department of Energy’s (DOE) Richland Operations Office (RL), Office of River Protection (ORP), and DOE contractor radiation protection organizations in determining doses-of-record from external sources of radiation. Mission Support Alliance (MSA) Radiological Site Services administers the HEDP in coordination with Hanford contractor radiation protection organizations to ensure consistent site-wide implementation of external dosimetry practices for Hanford workers and visitors. Coordination of dosimetry practices at Hanford is accomplished through the Hanford Personnel Dosimetry Advisory Committee (HPDAC). Technical services provided by the HEDP include personnel, area, nuclear accident, and environmental dosimetry capabilities that comply with DOE requirements in 10 CFR 835 Occupational Radiation Protection; DOE-STD-1095- 2011, Department of Energy Laboratory Accreditation Program for Personnel Dosimetry System; ANSI/HPS N13.11-2009, American National Standard, Personnel Dosimetry Performance – Criteria for Testing; ANSI/HPS N13.32-2008, American National Standard, Performance Testing of Extremity Dosimeters; as well as DOE guidance in DOE G 441.1-1C Radiation Protection Programs Guide. The primary purposes of this Hanford External Dosimetry Technical Basis Manual are to document the design and implementation of the external dosimetry system used at Hanford, and to document the rationale for the measurement methods used. This manual includes documentation of the technical basis for the dosimeter design, processing protocols, dose calculation methodology, and recommended dosimeter use in the field, in a manner intended to demonstrate compliance with 10 CFR 835 and to ensure the defensibility of the doses of record. Secondary purposes of this manual are to provide general information on dosimeter response characteristics and guidance on the proper use and limitations of Hanford dosimeters that will be of use to Hanford radiation protection organizations. The primary users of this manual are DOE and DOE contractors at Hanford using the dosimetry services of HEDP. Development and maintenance of this manual is funded directly by DOE and DOE contractors. Its contents have been reviewed and approved by DOE and DOE contractors at Hanford through the HPDAC which is chartered and chaired by DOE. This manual supports the Radiation Protection Programs of Hanford contractors. i HNF-55634 Revision 0 This page intentionally left blank ii HNF-55634 Revision 0 ACRONYMS AND ABBREVIATIONS ABS acrylonitrile-butadiene-styrene ACL administrative control level AEDE annual effective dose equivalent ALARA as low as reasonably achievable ANSI American National Standards Institute AP anterior-posterior (exposure geometry) BCF beta correction factor CCS computer control system CED committed effective dose CEqD committed equivalent dose CFR Code of Federal Regulations CPE charged particle equilibrium CPM counts per minute CV coefficient of variation DDE deep dose equivalent DOE U.S. Department of Energy DOE-RL U.S. Department of Energy - Richland Operations Office DOELAP Department of Energy Laboratory Accreditation Program DRD direct reading dosimeter DU depleted uranium ECC element correction coefficient ED effective dose; External Dosimetry EED Energy and Environment Directorate Page iii of vi HNF-55634 Revision 0 FNAD fixed nuclear accident dosimeter GDS Global Dosimetry Solutions (company name) GM Geiger-Müller (counter) HCND Hanford Combination Neutron Dosimeter HEDP Hanford External Dosimetry Program HEPA High Efficiency Particulate Air (filter) HIDP Hanford Internal Dosimetry Program HPDAC Hanford Personnel Dosimetry Advisory Committee HPRR Health Physics Research Reactor HPS Health Physics Society HRCF Hanford Radiological Control Forum HRRP Hanford Radiation Records Project HSD Hanford Standard Dosimeter ICRP International Commission on Radiological Protection ICRU International Commission on Radiation Quantities and Units ID identification IDP Internal Dosimetry Program IODR investigation of dosimeter result ISO isotropic (exposure geometry) ISO International Standards Organization JST Job Specific Training LANL Los Alamos National Laboratory LAT lateral (exposure geometry) LET linear energy transfer LLD lower limit of detection Page iv of vi HNF-55634 Revision 0 LOI letter of instruction MMD minimum measurable dose MOA memorandum of agreement MOU memorandum of understanding NAD nuclear accident dosimeter NCRP National Council on Radiation Protection and Measurements NIST National Institute of Standards and Technology NRC U.S. Nuclear Regulatory Commission NVLAP National Voluntary Laboratory Accreditation Program OCR optical character reader OJT on-the-job-training ORNL Oak Ridge National Laboratory ORP DOE Office of River Protection PA posterior-anterior (exposure geometry) PC personal computer PFP Plutonium Finishing Plant PMMA polymethylmethacrylate PMT photomultiplier tube PNAD personnel nuclear accident dosimeter PNNL Pacific Northwest National Laboratory PTB Physikalisch-Technische Bundesanstalt PTFE polytetrafluorethylene QA quality assurance QC quality control RCF reader calibration factor Page v of vi HNF-55634 Revision 0 REMS Radiation Evaluation and Management System (TLD reader system) REX Radiological Exposure (System) R&HT Radiation & Health Technology RIDS records inventory and disposition schedule RL DOE Richland Operations Office ROT rotational (exposure geometry) RPP radiation protection program RRF relative response factor RWP radiation work permit SDE shallow dose equivalent SOW statement of work TED total effective dose TEPC tissue-equivalent proportional counter TL thermoluminescent TLD thermoluminescent dosimeter TTP time-temperature profile UPS uninterruptible power supply UV ultraviolet VAX Digital Equipment Corporation VAX Computer Operating Environment WB whole body WCH Washington Closure Hanford WHC Westinghouse Hanford Company YTD year to date Trademarks: Mylar TM is a registered trademark of E.I. duPont de Nemours and Company Teflon TM is a registered trademark of E. I. duPont de Nemours and Company Page vi of vi HNF-55634 Revision 0 TABLE OF CONTENTS PREFACE .................................................................................................................................................. i ACRONYMS AND ABBREVIATIONS .................................................................................................. iii 1.0 INTRODUCTION .......................................................................................................................1.1 1.1 HEDP’s Role at Hanford...................................................................................................1.1 1.2 HEDP Objectives ..............................................................................................................1.1 2.0 HANFORD EXTERNAL DOSIMETRY PROGRAM ...............................................................2.1 2.1 HEDP History ...................................................................................................................2.1 2.2 HEDP Organization and Staffing ......................................................................................2.2 2.2.1 RSS Director ...........................................................................................................2.2 2.2.2 HEDP Technical Lead ............................................................................................2.2 2.2.3 RSS Quality Manager .............................................................................................2.2 2.2.4 HEDP Professional Staff ........................................................................................2.2 2.2.5 HEDP Technician ..................................................................................................2.3 2.3 HEDP Facilities and Equipment .......................................................................................2.3 2.3.1 Accommodation and Environmental Controls .......................................................2.3
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