Accredited Standards Committee N43 Scope:  Standards pertaining to the radiation safety aspects of products, devices, and equipment for non-medical or non-veterinary scientific, industrial, security, and educational uses involving ionizing radiation sources including radioactive materials, accelerators, and x-ray equipment, that produce ionizing radiation external to the human body, but excluding nuclear reactors.

Current Members

  • Director: Greg Fairchild, '27
  • Chair: Richard Whitman, '29
  • Chris Venderpool - Vice Chair, '29
  • Amy Wride-Graney - Standards Coordinator
  • Antonio Triventi - ex officio - Standards Chair, '27

N43 Committee Chairs

N43.1 – Chair is vacant

N43.2 – Chair is Ted De Castro

N43.3 – Chair is William (Chuck) Salsbury

N43.4 – Chair is Greg Komp

N43.5 – Cochairs are Ted de Castro and Brian Livingston

N43.6 – Chair is Jack Dukes

N43.7 – Chair is G. Spencer Mickum

N43.8 – Chair is Jack Dukes

N43.9 – Chair is Kristen Bonds

N43.10 – Chair is Christopher Vanderpool

N43.11 – Cochairs are William Morris and William Hoak

N43.14 – Chair is vacant

N43.16 – Cochairs are Richard Whitman and Craig Jones

N43.17 – Cochairs are Daniel Kassiday and Jack Glover

N43 Committee (voting)

Name Organization
Richard Whitman Chair, Individual member
Chris Vanderpool Vice Chair
John (Jack) Dukes ABB Industrial Systems Inc. (I)
Anthony LaMastra American Iron and Steel Institute (I)
Edward Walker American Society for Testing and Materials (P)
Rajesh Garg Canadian Nuclear Safety Commission (G)
Antonio Triventi Health Physics Society (HPS) (Alternate: David Bytwerk)
Willie Harris National Council on Radiation Protection and Measurements (NCRP) (Alternate: Mike Lewandoski)
Jack Glover National Institute of Standards and Technology (GI)
Lyman Sepulveda U.S. Nuclear Regulatory Commission (G); (Alternate Joey Rolland)
Ramachandra Bhat U. S. Department of the Air Force – Office of the Surgeon General (M)
Craig Jones U.S. Department of the Army – Office of the Surgeon General (M) (Alternate: Scott Goodison)
Tim Mikulski U.S. Department of the Army (M) (Alternate: LTC Aaron Thompson)
David Pugh U.S. Department of Energy (G) (Alternate: George Chiu)
Capt. Greg Fairchild U. S. Department of the Navy (M)
Vacant U. S. Department of Health and Human Services –  Public Health Service (G)
Mark Wolfmeyer U.S. Department of Homeland Security
Tim Barvitskie Member
David R. Brown Member
Greg Komp Member
David W. Lee Member
William Morris Member
Sander Perle Member
Marvin M. Turkanis Member
Richard Whitman Member
Interest Categories:

G=Government/Regulatory (6)

M=Military (4)

P=Professional Society (2)

I=Industry/User (3)

GI=General Interest/Individual (6)