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dose), a single weighting factor, WT=1.0, should be used. (d) A registrant shall retain and preserve records used in preparing the annual occupational radiation exposure form indefinitely, or until the registrant terminates operation and transfers personnel monitoring records to the department as required under 7 AAC 18.340. (Eff. 4/9/2009, Register 190) Statutory Authority: Authority: AS 18.60.475 AS 18.60.485 7 AAC 18.230. Airborne radioactive material in controlled area. Repealed. (Eff. 4/9/2009, Register 190; repealed 7/1/2015, Register 214) 7 AAC 18.240. External radiation limits in uncontrolled area. (a) Except as authorized by the department under (b) of this section, a registrant may not possess, use, or transfer sources of ionizing radiation in a manner that creates, in any uncontrolled area from the sources in the registrant’s possession, ionizing radiation levels which

(1) if an individual were continuously present in the area, may result in the individual’s receiving a dose in excess of 0.002 millisievert or two millirems in any one hour; or

(2) cause or are likely to cause an

(A) individual to receive a dose to the whole body in any period of one calendar year in excess of one millisievert or 100 millirems; or

(B) unborn fetus to receive a dose during the entire period of gestation in excess of five millisieverts or 0.5 rems. (b) A person may submit a written request to the department for proposed limits of ionizing radiation in an uncontrolled area in excess of those specified in (a) of this section resulting from the person’s possession or use of sources of ionizing radiation. A written request submitted