NBS Handbook 114 General safely standard for installations using non-medical X-ray and sealed gamma-ray sources, energies up to 10 MeV. ANSI N543-1974 NBS Handbook . Department of 114 commerce/National Bureau of Standards Safety Standard for Installations Using Non-Medical X-Ray and Sealed Gamma-Ray Sources, Energies up to 10 MeV American national standard N543-1974 General Safety Standard for Installations Using Non-Medical X-Ray and Sealed Gamma-Ray Sources, Energies up to 10 MeV American National Standards Subcommittee.
