"Dedicated check source" means a source of radiation with a known value used to ensure a survey instrument is operational and responding to the levels of radiation in which it is designed to measure.
S.C. Code Regs. § 61-65.VIII.RHC 8.6
"Dedicated check source" means a source of radiation with a known value used to ensure a survey instrument is operational and responding to the levels of radiation in which it is designed to measure.
S.C. Code Regs. § 61-65.VIII.RHC 8.6