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(2) the identity of the radiographer to whom the machine or device is assigned;
(3) locations of use and dates of use; and
(4) the voltage, current, and exposure time for each exposure. (b) A utilization log must be retained for at least five years, or since the most recent inspection by the department, whichever is less. (Eff. 4/9/2009, Register 190) Statutory Authority: Authority: AS 18.60.475 AS 18.60.485 7 AAC 18.570. Posting of sign in industrial radiography area. An area where industrial radiography is being performed must be conspicuously posted with the appropriate signage as required under 7 AAC 18.290. (Eff. 4/9/2009, Register 190) Statutory Authority: Authority: AS 18.60.475 AS 18.60.485 7 AAC 18.580. Cabinet radiography. Cabinet radiography is exempt from the requirements of 7 AAC 18.500 — 7 AAC 18.570, except that a registrant of a cabinet radiographic unit may not permit an individual to operate the unit until the individual has received a copy of, been instructed in, and demonstrated an understanding of operating procedures for the unit, and has demonstrated competence in the use of the procedure. (Eff. 4/9/2009, Register 190) Statutory Authority: