Section R. 333.5003 - Definitions; CRule 3.
(1) "Calendar quarter" means not less than 12 consecutive weeks nor more than 14 consecutive weeks. The first calendar quarter of each year shall begin in January and subsequent calendar quarters shall be so arranged such that no day is included in more than 1 calendar quarter and no day in any 1 year is omitted from inclusion within a calendar quarter. The method observed by the registrant for determining calendar quarters shall only be changed at the beginning of a year.(2) "Calibration" means the determination of either of the following: (a) The response or reading of an instrument relative to a series of known radiation values over the range of the instrument.(b) The strength of a source of radiation relative to a standard.(3) "Collective dose" means the sum of the individual doses received in a given period of time by a specified population from exposure to a specified source of radiation.(4) "Controlled area" means an area, outside of a restricted area but inside the site boundary, access to which can be limited by the registrant for any reason.Mich. Admin. Code R. 333.5003
2016 MR 10, Eff. 5/25/2016