Voss Associates provides technical training and technical reference materials to radiation professionals.
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
Porterville College, Porterville, California - 1961 - 1963
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) Chemical Engineer,
MOS 01G20 - 1965 – 1967
Edison Company – Chemistry and Radiation Protection Technician
(CRT)– 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 Refueling 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,
Overhoff Technology, and Electronic Control Concepts - 2006 to present
Guest Lecturer at:
Laboratories (CNL formerly AECL),
Peking University, Beijing, China
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
DOE Radiological Response Team member for launch of STS-41 Space Shuttle
"Discovery" in 1990 carrying "Ulysses" spacecraft powered by Pu-238 RTG
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
Assessment Procedure and Training Developer
Instrumentation Developer/Evaluator Startup Engineer
Member of HPS, ANS,
AAHP, and NRRPT (Health Physics Society, American Nuclear
Society, American Academy of Health Physics, and National Registry of Radiation
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
“Radioactive Air Sampling Methods” 2010 CRC Press
Los Alamos Publications
"Neutron Radiation Measurement Techniques"
"Evaluation of Current Air Sample Filter Media in use by Radiation
"LANL Evaluation of the Fuji NSN3 Neutron Rem Meter"
"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
"Methods to Improve the Lower Limit of Detection for Tritium in the
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 Facility"
"Patient, Family, Hospital Staff, and RSO Doses Associated with the
"Small Modular Reactors"
"India's Thorium Reactor Progress"
"Calibration of the Thermo RadEye GX, SX, and PX with Various
"Designing the LANL "Nkosoo" Alpha and Beta Sandwich Detector
"Canberra Alpha Sentry CAM Acute Alarm"
"Stationary Contamination Monitor Comparison"
"Canberra NetCAM, Dynamic Radiation Source and CAM Alarm
"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
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”
“Radiation Protection Instrumentation Test and Calibration – Air Monitoring
ANSI N317 (rev), “Performance Criteria for
Instrumentation Used for In-Plant Plutonium
“Portable Radiation Detection Instrumentation for Homeland Security”
“Selection and Use of Portable Neutron Radiation Protection
Instrumentation for Dose Equivalent Determination”
IEC Technical Committee No. 45: Nuclear Instrumentation
Sub-Committee 45A: Environmental Radiation Protection Instrumentation
Sub-Committee 45B: Radiation Protection Instrumentation
Monitors for the Detection of Radioactive and Special Nuclear
Materials at National Borders”
Instrumentation – Portable Photon Contamination Meters
“Equipment for Monitoring of Alpha, Beta or Gamma-Emitting Radionuclides
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.