Section 336.327 - Exceptions to Posting RequirementsA licensee is not required to post caution signs in areas or rooms containing radioactive materials for periods of less than 8 hours, if each of the following conditions is met:
(1) The materials are constantly attended during these periods by an individual who takes the precautions necessary to prevent the exposure of individuals to radiation or radioactive materials in excess of the limits established in this subchapter; and(2) The area or room is subject to the licensee's control.30 Tex. Admin. Code § 336.327
The provisions of this §336.327 adopted to be effective June 5, 1997, 22 TexReg 4588.