N. Jenkins
Harold D. Van Wagenen
American National Standards Institute.
Unknown Author
Welding Institute.
V. G. Voitkevich
Edward J. Fasiska
Battelle Memorial Institute. Columbus Laboratories.
Rexnord Corporation. Environmental Research Center.
E. Thomsen
Great Britain. Dept. of Employment and Productivity.
Janet Moreton
National Institute for Occupational Safety and Health.
American Welding Society. Project Committee on Fumes and Gases.
American Welding Society