DHS 157.52(11)(a)(a) Each source, source holder or well logging tool containing radioactive material shall bear a durable, legible and clearly visible marking or label which has, as a minimum, the standard radiation caution symbol, without the conventional color requirement, and the following wording:

This label shall be on the smallest component transported as a separate piece of equipment.

DHS 157.52(11)(b)(b) Each transport container shall have permanently attached to it a durable, legible and clearly visible label that has, as a minimum, the standard radiation caution symbol and the following wording:

DHS 157.52(11)(c)(c) Each uranium sinker bar used in well logging applications shall be legibly impressed with the following words:

DHS 157.52(12)(a)(a) A licensee or registrant shall conduct, at intervals not to exceed 6 months, a program of inspection and maintenance of source holders, well logging tools, source handling tools, storage containers, transport containers and injection tools to assure proper labeling and physical condition. Records of inspection and maintenance shall be maintained for a period of 3 years for inspection by the department.

DHS 157.52(12)(b)(b) If any inspection conducted under par. (a) reveals damage to labeling or components critical to radiation safety, the device shall be removed from service until repairs have been made.

DHS 157.52(12)(c)(c) If a sealed source is lodged in the source holder, a licensee may not perform any operation such as drilling, cutting or chiseling on the source holder unless the

licensee is specifically approved by the NRC, an agreement state or a licensing state to perform the operation.

DHS 157.52(12)(d)(d) A licensee may not remove a sealed source from a source holder or logging tool or perform maintenance on sealed sources or holders containing sealed sources unless a written procedure developed under the requirements of s. DHS 157.53 (2) has been approved by the department, the NRC, an agreement state or a licensing state.

DHS 157.52(12)(e)(e) A licensee shall visually check source holders, well logging tools and source handling tools for defects prior to each use to ensure that the equipment is in good working condition and that required labeling is present. If defects are found, the licensee shall remove the equipment from service until repaired and a record made listing all of the following:

DHS 157.52(12)(f)(f) Records required by par. (e) shall be retained for 3 years after the defect is found.

DHS 157.52 HistoryHistory: CR 01-108: cr. Register July 2002 No. 559, eff. 8-1-02; CR 06-021: am. (8), r. and recr. (10) (a) to (d), renum. (10) (e) and (f) to be (10) (c) and (d) and am. (10) (c) 2. and (d) 1. and 2. Register October 2006 No. 610, eff. 11-1-06; CR 22-015: am. (4) (a) Register June 2023 No. 810, eff. 7-1-23.

DHS 157.53(1)(a)(a) A licensee or registrant may not permit an individual to act as a well logging supervisor until the individual has done all of the following: