Section R. 325.10110 - Definitions; parts 6 and 7Rule 110. As used in part 6 and part 7 of these rules:
(a) "Dose equivalent" means the product of the absorbed dose from ionizing radiation and such factors as account for differences in biological effectiveness due to the type of radiation and its distribution in the body as specified by the ICRU.(b) "Gross alpha particle activity" means the total radioactivity due to alpha particle emission as inferred from measurements on a dry sample.(c) "Gross beta particle activity" means the total radioactivity due to beta particle emission as inferred from measurements on a dry sample.(d) "ICRU" means the international commission on radiological units and measurements.(e) "Man-made beta particle and photon emitters" means all radionuclides emitting beta particles or photons, or both, listed in "Maximum Permissible Body Burdens and Maximum Permissible Concentrations of Radionuclides in Air or in Water for Occupational Exposure," NCRP Report 22, 1963, as adopted by reference in R 325.10112, except the daughter product of thorium 232, uranium 235, and uranium 238.(f) "Picocurie" or "pCi" means that quantity of radioactive material producing 2.22 nuclear transformations per minute.(g) "Rem" means the unit of dose equivalent from ionizing radiation to the total body or any internal organ or organ system. A millirem is 1/1000 of a rem.Mich. Admin. Code R. 325.10110