WAC 246-221-130   Exceptions from posting and labeling requirements.  (1) A room or area is not required to be posted with a caution sign because of the presence of a sealed source, provided the radiation level 30 centimeters from the surface of the source container or housing does not exceed 0.05 mSv (five millirem) per hour.

     (2) Rooms or other areas in hospitals that are occupied by patients are not required to be posted with caution signs because of the presence of patients containing radioactive material if the patient could be released from licensee control under chapter 246-240 WAC.

     (3) Caution signs are not required to be posted in areas or rooms containing radioactive material for periods of less than eight hours if:

     (a) The material is constantly attended during those periods by an individual who takes precautions necessary to prevent the exposure of any individual to radiation or radioactive material in excess of the limits established in these rules; and

     (b) The area or room is subject to the licensee's or registrant's control.

     (4) A room or other area is not required to be posted with a caution sign because of the presence of radioactive material prepared for transport and packaged and labeled in accordance with regulations of the United States Department of Transportation.

     (5) A room or area is not required to be posted with a caution sign because of the presence of a diagnostic X-ray system used solely for healing arts purposes.

     (6) The interior of a teletherapy room is not required to be posted with caution signs provided the posting is conspicuously placed at the entrance(s) to the rooms.

     (7) A licensee is not required to label:

     (a) Containers holding licensed material in quantities less than the quantities listed in WAC 246-221-300; or

     (b) Containers holding licensed material in concentrations less than those specified in WAC 246-221-290, Table III; or

     (c) Containers attended by an individual who takes the precautions necessary to prevent the exposure of any individual to radiation or radioactive material in excess of the limits established by this chapter; or

     (d) Containers when they are in transport and packaged and labeled in accordance with the regulations of the United States Department of Transportation; or

     (e) Containers such as those located in water-filled canals, storage vaults, or hot cells, that are accessible only to individuals authorized to handle or use them, or to work in the vicinity of the containers, provided the contents are identified to these individuals by a readily available written record. The record shall be retained as long as the containers are in use for the purpose indicated on the record; or

     (f) Installed manufacturing or process equipment, such as chemical process equipment, piping, and tanks.

     (8) Each licensee, prior to removal or disposal of empty uncontaminated containers to unrestricted areas, shall remove or deface the radioactive material label or otherwise clearly indicate that the container no longer contains radioactive materials.



[Statutory Authority: RCW 70.98.050. 06-05-019, § 246-221-130, filed 2/6/06, effective 3/9/06; 98-13-037, § 246-221-130, filed 6/8/98, effective 7/9/98; 94-01-073, § 246-221-130, filed 12/9/93, effective 1/9/94. Statutory Authority: RCW 70.98.050 and 70.98.080. 91-15-112 (Order 184), § 246-221-130, filed 7/24/91, effective 8/24/91. Statutory Authority: RCW 43.70.040. 91-02-049 (Order 121), recodified as § 246-221-130, filed 12/27/90, effective 1/31/91. Statutory Authority: RCW 70.98.080. 83-19-050 (Order 2026), § 402-24-095, filed 9/16/83. Statutory Authority: RCW 70.98.050. 81-01-011 (Order 1570), § 402-24-095, filed 12/8/80; Order 1095, § 402-24-095, filed 2/6/76.]