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Environmental Characterization and Risk Assessment

Bruce Napier

Bruce Napier

Pacific Northwest National Laboratory
PO Box 999
Richland, WA 99352

Biography

Mr. Napier works with the development and operation of models concerned with the environmental transport of radiological and chemical contaminants. His professional experience includes mathematical modeling and calculation of effects to individuals and populations from releases of various contaminants to the environment, as well as management of specific projects.

Research Interests

  • Historical radiation dose reconstruction
  • Safety and Risk analysis
  • Radiological pathways assessment
  • Environmental impact assessment
  • Model, parameter, and scenario development

Education and Credentials

  • B.S., Nuclear Engineering, Kansas State University, 1975
  • M.S., Nuclear Engineering, Kansas State University, 1977
  • Ph.D., Radiological Health Physics, Oregon State University, (Ongoing Doctoral Studies)

Affiliations and Professional Service

  • Health Physics Society
  • American Academy of Health Physics
  • Adjunct Faculty, Washington State University, Tri-Cities
  • Chair, US/Belarus and US/Ukraine Bi-National Advisory Committees on Chernobyl studies of the National Cancer Institute; NCI Thyroid Advisory Committee
  • Interagency Nuclear Safety Review Panel/Biomedical and Environmental Effects Subpanel
  • Environmental Protection Agency Science Advisory Board
  • Department of Energy Performance Assessment Task Team
  • Department of Energy Subcommittee on Consequence Assessment and Protective Actions
  • Nevada Risk Assessment/Management Program Peer Review Panel

Awards and Recognitions

  • 2004, Fellow, Health Physics Society
  • 2002, Council Member, National Council on Radiation Protection and Measurements
  • 1991, Nominated for "Engineer of the Year" award, Washington Society of Professional Engineers
  • 1987, "Health Physicist of the Year" award, Columbia Chapter, Health Physics Society.
  • 1986, Certified by the American Board of Health Physics, recertified through 2004

PNNL Publications

2016

  • Chen SY, and BA Napier. 2016. "NCRP Program Area Committee 5: Environmental Radiation and Radioactive Waste Issues." Health Physics 110(2):109-112.  doi:10.1097/HP.0000000000000418

2015

  • Bouville A, RE Toohey, J Boice, HL Beck, LT Dauer, KF Eckerman, DA Hagemeyer, RW Leggett, DL Miller, MT Mumma, BA Napier, KH Pryor, M Rosenstein, DA Schauer, S Sherbini, D Stram, JL Thompson, JE Till, C Yoder, and C Zeitlin. 2015. "Dose Reconstruction for the Million Worker Epidemiologic Study: Status and Guidelines." Health Physics 108(2):206-220.  doi:10.1097/HP.0000000000000231
  • Degteva MO, NB Shagina, EA Shishkina, A Vozilova, AY Volchkova, MI Vorobiova, A Wieser, P Fattibene, S Della Monaca, E Ainsbury, J Moquet, LR Anspaugh, and BA Napier. 2015. "ANALYSIS OF EPR AND FISH STUDIES OF RADIATION DOSES IN PERSONS WHO LIVED IN THE UPPER REACHES OF THE TECHA RIVER." Radiation and Environmental Biophysics 54(4):433-444.  doi:10.1007/s00411-015-0611-8
  • Shagina NB, EI Tolstykh, MO Degteva, LR Anspaugh, and BA Napier. 2015. "Age and gender specific biokinetic model for strontium in humans." Journal of Radiological Protection: Official Journal of the Society for Radiological Protection 35(1):87-127.  doi:10.1088/0952-4746/35/1/87
  • Stram D, DL Preston, M Sokolnkov, BA Napier, K Kopecky, J Boice, HL Beck, JE Till, and A Bouville. 2015. "Shared Dosimetry Error in Epidemiological Dose-Response Analyses." PLoS One 10(3):Article No. e0119418.  doi:10.1371/journal.pone.0119418

2014

  • Eslinger PW, BA Napier, and LR Anspaugh. 2014. "Representative Doses to Members of the Public from Atmospheric Releases of 131I at the Mayak Production Association Facilities from 1948 through 1972." Journal of Environmental Radioactivity 135:44-53.  doi:10.1016/j.jenvrad.2014.04.003
  • Napier BA, and SB Yabusaki. 2014. Methodology for Estimating the Aqueous Radionuclide Inventory from a Severe Reactor AccidentPNNL-23147, Pacific Northwest National Laboratory, Richland, WA. 
  • Napier BA. 2014. "Joint US/Russian Studies of Population Exposures Resulting from Nuclear Production Activities in the Southern Urals." Health Physics 106(2):294-304.  doi:10.1097/HP.0000000000000033

2013

2012

  • Degteva MO, NB Shagina, MI Vorobiova, LR Anspaugh, and BA Napier. 2012. "REEVALUATION OF WATERBORNE RELEASES OF RADIOACTIVE MATERIALS FROM THE MAYAK PRODUCTION ASSOCIATION INTO THE TECHA RIVER IN 1949-1951." Health Physics 102(1):25 - 38.  doi:10.1097/HP.0b013e318228159a
  • Napier BA. 2012. Dry Deposition Velocity Estimation for the Savannah River Site: Part 1 - Parametric AnalysisPNNL-21144, Pacific Northwest National Laboratory, Richland, WA. 
  • Napier BA. 2012. "Estimation of Internal Radiation Dose from both Immediate Releases and Continued Exposures to Contaminated Materials." Journal of Radiological Protection: Official Journal of the Society for Radiological Protection 32(1):N47 - N50.  doi:10.1088/0952-4746/32/1/N47
  • Shagina NB, EI Tolstykh, MO Degteva, LR Anspaugh, and BA Napier. 2012. "Cortical bone resorption rate in elderly persons: Estimates from long-term in vivo measurements of 90Sr in the skeleton." Archives of Gerontology and Geriatrics 54(3):e411-e418.  doi:10.1016/j.archger.2011.06.039
  • Shagina NB, V Golikov, MO Degteva, MI Vorobiova, LR Anspaugh, and BA Napier. 2012. "RECONSTRUCTION OF INDIVIDUAL DOSES DUE TO MEDICAL EXPOSURES FOR MEMBERS OF THE TECHA RIVER COHORT." Meditsinskaya Radiologiya i Radiatsionnaya Bezopasnost 57(3):13-25. 
  • Snyder SF, C Arimescu, BA Napier, and TR Hay. 2012. Recommended Parameter Values for GENII Modeling of Radionuclides in Routine Air and Water ReleasesPNNL-21950, Pacific Northwest National Laboratory, Richland, WA. 
  • Tolstykh EI, NG Bougrov, VA Krivoshchapov, EA Shishkina, NB Shagina, MO Degteva, LR Anspaugh, and BA Napier. 2012. "Results of in vivo measurements of strontium-90 body-burden in Urals residents: analyses of data obtained 2006-2012." Radiation Hygiene 5(3):5-11. 

2011

2010

2009

2008

  • Droppo JG, Jr, and BA Napier. 2008. "Wind Direction Bias in Generating Wind Roses and Conducting Sector-Based Air-Dispersion Modeling." Journal of the Air and Waste Management Association 58(7):913-918.  doi:10.3155/1047-3289.58.7.913
  • Akleyev AV, LY Krestinina, DL Preston, F Davis, MO Degteva, LR Anspaugh, NV Startsev, BA Napier, and E Ron. 2008. "Radiogenic Risk of Malignant Neoplasms for Techa Riverside Residents." Meditsinskaia radiologiia i radiatsionnaia bezopasnost 53(6):5-26. 
  • Glagolenko YV, EG Drozhko, Y Mokrov, NP Pyatin, SI Rovny, LR Anspaugh, and BA Napier. 2008. "METHODS AND RESULTS OF RECONSTRUCTION OF NOBLE GAS RELEASES FROM THE STACKS OF THE MAYAK PA GRAPHITE REACTORS OVER THE WHOLE PERIOD OF THEIR OPERATION." Radiation Safety Problems (Special Issue):5-19. 
  • Glagolenko YV, EG Drozhko, Y Mokrov, NP Pyatin, SI Rovny, LR Anspaugh, and BA Napier. 2008. "RECONSTRUCTION OF 131I RELEASES FROM STACKS OF THE RADIOCHEMICAL PLANT OF THE MAYAK PRODUCTION ASSOCIATION FOR THE PERIOD FROM 1948 TO 1967." Radiation Safety Problems (Special Issue):48-57. 
  • Glagolenko YV, EG Drozhko, Y Mokrov, SI Rovny, AV Lyzhkov, LR Anspaugh, and BA Napier. 2008. "METHODS FOR RECONSTRUCTION OF RADIONUCLIDE COMPOSITION AND ACTIVITY OF FISSION PRODUCTS ACCUMULATED IN THE IRRADIATED URANIUM AT THE MOMENT OF ITS RADIOCHEMICAL REPROCESSING AT PLANT "B", "MAYAK" PA IN THE EARLY 1950s." Radiation Safety Problems (Special Issue):32-47. 
  • Glagolenko YV, EG Drozhko, Y Mokrov, SI Rovny, DA Beregich, PM Stukalov, IA Ivanov, AI Alexakhin, LR Anspaugh, and BA Napier. 2008. "RECONSTRUCTION OF EXTERNAL DOSES TO OZYORSK RESIDENTS DUE TO ATMOSPHERIC RELEASES OF INERT RADIOACTIVE GASES FROM THE STACKS OF THE "MAYAK" PA REACTOR PLANT FROM 1948 TO 1989." Radiation Safety Problems (Special Issue):20-31. 
  • Mokrov Y, VZ Martyushov, PM Stukalov, IA Ivanov, DA Beregich, LR Anspaugh, and BA Napier. 2008. "FOOD CONSUMPTION PATTERNS OF THE OZYORSK POPULATION IN 1948-1966, IMPORTANT FOR ESTIMATING PERORAL COMPONENT OF INTERNAL EXPOSURE DOSES." Radiation Safety Problems (Special Issue):58-71. 
  • Napier BA, MO Degteva, and LR Anspaugh. 2008. ASSESSMENT OF VARIOUS TYPES OF UNCERTAINTY IN THE TECHA RIVER DOSIMETRY SYSTEM PNNL-17508, Pacific Northwest National Laboratory, Richland, WA. 

2007

2006

  • Anspaugh LR, MO Degteva, MI Vorobiova, Y Mokrov, and BA Napier. 2006. "Dosimetry for members of the extended Techa River cohort ." Health Physics 91(4):393-394. 
  • Degteva MO, MI Vorobiova, EI Tolstykh, NB Shagina, EA Shishkina, LR Anspaugh, BA Napier, NG Bougrov, VA Shved, and EE Tokareva. 2006. "DEVELOPMENT OF AN IMPROVED DOSE-RECONSTRUCTION SYSTEM FOR THE TECHA RIVER POPULATION AFFECTED BY THE OPERATION OF THE MAYAK PRODUCTION ASSOCIATION ." Radiation Research 166(1):255-270. 
  • Smith MA, BA Napier, DJ Strom, SM Short, CV Beatty, NF Stoker, and T Newman. 2006. Risk Assessment for Current and Projected Uses of Source Material Under a U.S. NRC General License and Exemption RequestPNNL-16148, Pacific Northwest National Laboratory, Richland, WA. 

2005

  • Degteva MO, LR Anspaugh, AV Akleyev, P Jacob, DV Ivanov, A Wieser, MI Vorobiova, EA Shishkina, VA Shved, A Vozilova, SN Bayankin, and BA Napier. 2005. "Electron Paramagnetic Resonance and Fluorescence In Situ Hybridization-Based Investigations of Individual Doses for Persons Living at Metlino in the Upper Reaches of the Techa River." Health Physics 88(2):139 - 153. 
  • Degteva MO, LR Anspaugh, AV Akleyev, P Jacob, DV Ivanov, A Wieser, MI Vorobiova, EA Shishkina, VA Shved, A Vozilova, SN Bayankin, and BA Napier. 2005. "Electron Paramagnetic Resonance and Fluorescence In Situ Hybridization-Based Investigations of Individual Doses for Persons Living at Metlino in the Upper Reaches of the Techa River." Health Physics 88(2):139-153.  doi:10.1097/01.HP.0000146612.69488.9c
  • Napier BA, and JV Ramsdell, Jr. 2005. Atmospheric Data Package for the Composite AnalysisPNNL-14599 Rev. 1, Pacific Northwest National Laboratory, Richland, WA. 
  • Scott MJ, CA Brandt, AL Bunn, DW Engel, PW Eslinger, TB Miley, BA Napier, EL Prendergast-Kennedy, and LA Nieves. 2005. "Modeling long-term risk to environmental and human systems at the Hanford Nuclear Reservation: Scope and findings from the initial model ." Environmental Management 35(1):84-98. 
  • Thiessen KM, BA Napier, V Filistovic, T Homma, B Kanyar, P Krajewski, AI Kryshev, T Nedveckaite, A Nenyei, TG Sazykina, U Tveten, KL Sjoblom, and C Robinson. 2005. "Model Testing Using Data on 131I Released from Hanford." Journal of Environmental Radioactivity 84(2):211 - 224. 

2004

2003

  • Ansbaugh LR, MO Degteva, VP Kozheurov, BA Napier, EI Tolstykh, and MI Vorobiova. 2003. "Environmental Radiation Dose Reconstruction for U.S. and Russian Weapons Production Facilities: Hanford and Mayak." Chapter 9 in Risk Methodologies for Technological Legacies, ed. James G. Droppo, Dennis Bley, Vitaly A. Eremenko, pp. 149-179.  Kluwer Academic, Dordrecht, Netherlands. 
  • Anspaugh LR, EA Shishkina, VA Shved, MO Degteva, EI Tolstykh, and BA Napier. 2003. "COMMENT ON PAPER BY HAYES, HASKELL, AND KENNER [Letter]." Health Physics 85:622-624. 
  • Robertson DE, DA Cataldo, BA Napier, KM Krupka, and LB Sasser. 2003. Literature Review and Assessment of Plant and Animal Transfer Factors Used in Performance Assessment ModelingPNNL-14321; NUREG/CR-6825, Pacific Northwest National Laboratory, Richland, WA. 
  • Shagina NB, EI Tolstykh, VI Zalyapin, MO Degteva, VP Kozheurov, EE Tokareva, LR Anspaugh, and BA Napier. 2003. "Evaluation of Age and Gender Dependences of the Rate of Strontium elimination 25-45 Years after Intake: Analysis of Data from Residents Living along the Techa River." Radiation Research 159:239-246. 
  • Staven LH, BA Napier, K Rhoads, and DL Strenge. 2003. A Compendium of Transfer Factors for Agricultural and Animal ProductsPNNL-13421, Pacific Northwest National Laboratory, Richland, WA. 
  • Tolstykh EI, EA Shishkina, MO Degteva, DV Ivanov, VA Shved, SN Bayankin, LR Anspaugh, BA Napier, A Wieser, and P Jacob. 2003. "AGE DEPENDENCIES OF 90Sr INCORPORATION IN DENTAL TISSUES: COMPARATIVE ANALYSIS AND INTERPRETATION OF DIFFERENT KINDS OF MEASUREMENTS OBTAINED FOR RESIDENTS ON THE TECHA RIVER." Health Physics 85(4):409 - 419. 

2002

  • Napier BA. 2002. "A Re-Evaluation of the 131I Atmospheric Releases from the Hanford Site ." Health Physics 83(2):204 - 226. 
  • Degteva MO, NB Shagina, EI Tolstykh, MI Vorobiova, BA Napier, and LR Anspaugh. 2002. "Studies on the Techa river populations: dosimetry." Radiation and Environmental Biophysics 41(1):41-44. 
  • Khokhryakov VV, EG Drozhko, YV Glagolenko, SI Rovny, EK Vasilenko, A Suslov, LR Anspaugh, BA Napier, A Bouville, VF Khokhryakov, KG Suslova, and SA Romanov. 2002. "Studies on the Ozyorsk population: dosimetry." Radiation and Environmental Biophysics 41(1):33-35. 
  • Kossenko MM, DL Preston, LY Krestinina, MO Degteva, NV Startsev, T Thomas, OV Vyushkova, LR Anspaugh, BA Napier, VP Kozheurov, E Ron, and AV Akleyev. 2002. "Studies on the extended Techa river cohort: cancer risk estimation." Radiation and Environmental Biophysics 41(4):45-48. 
  • Kozheurov VP, VI Zalyapin, NB Shagina, EE Tokareva, MO Degteva, EI Tolstykh, LR Anspaugh, and BA Napier. 2002. "Evaluation of uncertainties in 90Sr-body-burdens obtained by whole-body count: application of Bayes' rule to derive detection limits by analysis of a posteriori data." Applied Radiation and Isotopes 57:525-535. 
  • Thiessen KM, BA Napier, V Filistovic, T Homma, B Kanyar, P Krajewski, AI Kryshev, T Nedveckaite, A Nenyei, TG Sazykina, U Tveten, KL Sjoblom, and C Robinson. 2002. "Model Testing Using Data from Accidental Releases of 131I and 137Cs: 1: Model Testing Using Data on 131I Released from Hanford." In Proceedings of the International Conference on Radioactivity in the Environment, Monaco, Sept. 1-5, 2002, ed. P Strand, P Borretzen and T Jolle, pp. 313-320.  Elsevier, Amsterdam, Netherlands. 

2001

  • Napier BA, NB Shagina, MO Degteva, EI Tolstykh, MI Vorobiova, and LR Anspaugh. 2001. "Preliminary uncertainty analysis for the doses estimated using the Techa River dosimetry system - 2000." Health Physics 81(4):395-405. 
  • Napier BA. 2001. "Computer Modeling Codes for Radiological and Chemical Airborne Releases." Health Physics 81 Suppl.(4):S15-S17. 
  • Degteva MO, VP Kozheurov, EI Tolstykh, MI Vorobiova, LR Anspaugh, and BA Napier. 2001. "Evaluation of the Stochastic Effects of Low-Dose Radiation: Dose Reconstruction for the Techa River Cohort in Russia." In Proceedings of the Bioastronautics Investigators Workshop, January 17-19, 2001, pp. 290-291.  Universities Space Research Association, Houston, TX. 
  • Napier BA, PW Eslinger, WE Nichols, and L Anderlini. 2001. "Improvements in Modeling Sagebrush Concentrations of Radioiodine Released from the Hanford Site." Journal of Environmental Radioactivity 54(3):377-389. 

2000

  • Degteva MO, MI Vorobiova, EI Tolstykh, NB Shagina, VP Kozheurov, LP Anspaugh, and BA Napier. 2000. "Dosimetric System for the River Techa: Dose Reconstruction for Long-term Radiation Risk Effects." Voprosi Radiatsionnoy Byezopasnosti (4):36-46. 
  • Degteva MO, MI Vorobiova, VP Kozheurov, EI Tolstykh, LR Anspaugh, and BA Napier. 2000. "Dose reconstruction system for the exposed population living along the Techa River ." Health Physics 78(5):542-554. 
  • Degteva MO, VP Kozheurov, EI Tolstykh, MI Vorobiova, LR Anspaugh, BA Napier, and AN Kovtun. 2000. "The Techa River Dosimetry System: Methods for the reconstruction of internal dose." Health Physics 79(1):24-35. 
  • Mokrov Y, YV Glagolenko, and BA Napier. 2000. "Reconstruction of Radionuclide Contamination of the Techa River caused by Liquid Waste Discharge from Radiochemical Production at the Mayak Production Association." Health Physics 79(1):15-23. 

1999

  • Napier BA. 1999. "Half a Century of Nordic Nuclear Co-operation - An Insider's Recollections." Health Physics 76(4):442. 
  • Napier BA. 1999. "Radiological Conditions at the Semipalatinsk Test Site, Kazakhstan: Preliminary Assessment and Recommendations for Further Study." Health Physics 77(1):102. 
  • Napier BA. 1999. "Radiological Conditions of the Western Kara Sea: Assessment of the Radiological Impact of the Dumping of Radioactive Waste in the Arctic Seas." Health Physics 77(1):102-103. 
  • Vorobiova MI, MO Degteva, DS Burmistrov, NG Safronova, VP Kozheurov, LR Anspaugh, and BA Napier. 1999. "Review of historical monitoring data on Techa River contamination." Health Physics 76(6):605-618. 

Environmental Assessment

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