James T. (Tom) Voss, NRRPT, CHP
Fellow of the Health Physics Society
President of the Power Reactor Section of the HPS
Member of the American Nuclear Society
Current DOE “Q” Clearance
Previous “Top Secret” DOD Clearance
Previous AEC and NRC Security Clearances
PO Box 10
Abiquiu, NM 87510
Fresno, California - 1963 – 1965
University - 1965 – 1967
University of Utah -
1965 – 1967
Certifications and Licenses:
New Mexico “Qualified
Expert in Health Physics - Calibration and Training” 2017
Physicist (ABHP in 1998)
Protection Technologist – NRRPT 1992
Technician - ANSI/ANS-3.1 1976, ANSI/ASME NQA-1 1983
Private Pilot – FAA
Engineer 01G20 - US Army 1965
Highways Department – Survey Technician, Soils Lab Technician, Weighmaster – 1963 - 1965
US Army Chemical Corps (CBR – Chemical,
Biological, Radiological Division) – Chemical Engineer,
MOS 01G20 - 1965 – 1967
Edison Company – Chemistry and Radiation Protection Specialist – 1967 – 1982
commercial nuclear power plants – Chemistry and Environmental Specialist, Technical Procedure Writer, Lead
Startup Engineer - 1982 – 1989
Initial Startup of
Diablo Canyon Nuclear Generating Station (PWR) 1982 -1985
Initial Startup of
Clinton Power Station (BWR) 1985 – 1986
Reactor Refuelings of
Farley Nuclear Plant (PWR) 1986 – 1987
Seabrook Station (PWR) 1987 – 1988
Operations at Rancho
Seco Nuclear Generating Plant (PWR) 1988 - 1989
Corporation at Waste Isolation Pilot Project – Senior Health Physics Specialist - 1989 – 1993
Los Alamos National
Laboratory – Radiation Protection Specialist – 1993 – 1998
Los Alamos National Laboratory
– Certified Health Physicist – 1998 to present
Radiological Services Providers 2006 to present
Training Coordinator for US Nuclear Corp, Technical Associates, and Overhoff Technology 2006 to present
Guest Lecturer at:
Laboratories (CNL formerly AECL),
University of New
Named a “Fellow” of
the Health Physics Society in 2006
Certified as a Health
Physicist by the ABHP in 1998
Author of “Los Alamos
Radiation Monitoring Notebook,” LA-UR-00-2584
Participated in the
training of several hundreds of people in all aspects of radiation protection and measurement
Author of a few
hundred technical reports and procedures
Registered as a
Radiation Protection Technologist by the NRRPT in 1992
Member of HPS, ANS,
and NRRPT (Health Physics Society, American Nuclear Society, National Registry of Radiation Protection
Member of writing
committees for ANSI, Department of Homeland Security, and IEC
Chair of the Health
Physics Society Laboratory Accreditation Assessment Committee
Member of Health
Physics Society Instrumentation Section
President of the
Power Reactor Section of the Health Physics Society
for Radiation Protection Dosimetry
for the Journal of the Health Physics Society
Classification and Handling Handbook 2015
Medical Physics Handbook 2014
Monitoring Handbook 2005
Contributor to “Radioactive
Air Sampling Methods” 2010 CRC Press Mark Maiello and Mark Hoover
Los Alamos Publications
"Neutron Radiation Measurement Techniques"
"Evaluation of Current Air Sample Filter Media in use by Radiation Protection Division"
"LANL Evaluation of the Fuji NSN3 Neutron Rem Mmeter"
"Feasibility of Using a Plastic Scintillator Design for a Light-weight
Neutron Rem Meter"
"Development of a Contamination Survey Training Simulator"
"Canberra ASM1000/AS1700 Alpha CAM Continuous Air Monitor Operating Characteristics"
"Methods to Improve the Lower Limit of Detection for Tritium in the Air
and on Surfaces"
"Calibration of Alpha and Beta Surface Contamination Monitors"
"Calibration Techniques for Gamma Survey Instruments
"Mitigating the Effects of Radon and Thoron and Their Progeny in a Radiation Instrument Calibration
"Patient, Family, Hospital Staff, and RSO Doses Associated with the Tc-99m Procedure"
"Small Modular Reactors"
"India's Thorium Reactor Progress"
"Calibration of the Thermo RadEye GX, SX, and PX with Various Detectors"
"Designing the LANL "Nkosoc" Alpha and Beta Sandwich Detector
"Canberra Alpha Sentry CAM Acute Alarm"
"Stationary Contamination Monitor Comparison"
"Canberra NetCAM, Dynamic Radiation Source and CAM Alarm Modeling"
"LANL experience with the Canberra NetCAM"
"New Algorithms for the Eberline Alpha-6 CAMS"
"Hand and Foot Monitor Requirements for FY09 Procurement"
"Status of Current Air Monitoring Evaluations Using Multi-Point
Discussion of Air Monitoring Strategies"
"How Can Integrated Safety Management (ISM) Principles Improve the Safety Environment in Your Lab?
"Operational Experience with the Eberline Alpha7 CAM at LANL"
Directions in Air Monitoring at Los Alamos National Laboratory”
LA-UR-02-7145 “A New
Design for Portable Radiation Survey Instrumentation”
“Automated Survey Method for Upstream Segregation of Transuranic Waste”
Novel Design for a Portable Continuous Air Monitor”
“Placement of Continuous Air Monitors in PF-4 Plutonium Laboratories: Consensus Findings and Recommendations”
Alamos Radiation Monitoring Notebook” updated February 2001
Method for Radon and Thoron Discrimination”
Alamos Radiation Monitoring Notebook”
“Comparison of Continuous Air Monitor Utilization: A Case Study”
"Performance Evaluation of an Irregular Surfaces and Internal Surfaces Radioactive Contamination Monitor"
"Alpha Continuous Air Monitor Algorithms and Instruments"
Participation on ANSI and IEC Standards Writing Committees
“Sampling and Monitoring Releases of Airborne Radioactivity in the Workplace of Nuclear Facilities,”
Chairperson J. J. Whicker
ANSI N323C, “Radiation
Protection Instrumentation Test and Calibration – Air Monitoring Instruments,” Co-chairs M. Hoover
and M. Johnson
ANSI N317 (revision), “Performance Criteria for
Instrumentation Used for In-Plant Plutonium Monitoring,”
Chairperson C. Olson
“Portable Radiation Detection Instrumentation for Homeland Security,” Chairperson M. Cox
“Selection and Use of Portable Neutron Radiation Protection Instrumentation for Dose Equivalent Determination,”
Chairperson T. Johnston
IEC Technical Committee No. 45: Nuclear Instrumentation
Sub-Committee 45A: Environmental Radiation Protection Instrumentation
Committee 45B: Radiation Protection Instrumentation
Monitors for the Detection of Radioactive and Special Nuclear Materials at National Borders”
Instrumentation – Portable Photon Contamination Meters and Monitors”
“Equipment for Monitoring of Alpha, Beta or Gamma-Emitting Radionuclides in Liquid
Effluents and Surface Water”
Instrumentation for Measurement of Terrestrial Gamma Radiation”
“Radon and Radon
Decay Product Measuring Instruments”
Control System (I&C) of Interim Storage and Final Repository of Nuclear Fuel and Waste”
Married to Sandra Loa Hays since December 5, 1975
We have 2 daughters, Susan Jennifer and Sarah Anne, both now married.