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DHS 157.52(7)(d) (d) Sources of beta- or gamma-emitting radioactive material with an activity of 3.7 MBq (100 microcuries) or less.
DHS 157.52(7)(e) (e) Sources of alpha- or neutron emitting radioactive material with an activity of 0.370 MBq (10 microcuries) or less.
DHS 157.52(8) (8) Physical inventory. A licensee or registrant shall conduct a semi-annual physical inventory to account for all sources of radiation. Records of inventories shall be maintained for 3 years from the date of the inventory for inspection by the department and shall include the quantities and kinds of sources of radiation, the location where sources of radiation are assigned, the date of the inventory and the name of the individual conducting the inventory.
DHS 157.52(9) (9) Utilization records. A licensee or registrant shall maintain current records, which shall be kept available for inspection by the department for 3 years from the date of the recorded event, showing all of the following information for each source of radiation:
DHS 157.52(9)(a) (a) Make, model number and a serial number or a description of each source of radiation used.
DHS 157.52(9)(b) (b) The identity of the well logging supervisor who is responsible for the sources of radiation used and the identity of the well logging assistants present.
DHS 157.52(9)(c) (c) Locations where used and dates of use.
DHS 157.52(9)(d) (d) In the case of tracer materials and radioactive markers, the utilization record shall indicate the radionuclide and activity used in a particular well and the disposition of any unused tracer material.
DHS 157.52(10) (10) Design performance criteria for sealed sources.
DHS 157.52(10)(a) (a) Each sealed source, except those containing radioactive material in gaseous form or in energy compensation sources (ECS), used in well logging applications, shall meet all the following criteria:
DHS 157.52(10)(a)1. 1. Have doubly encapsulated construction.
DHS 157.52(10)(a)2. 2. Contain licensed material whose chemical and physical forms are as insoluble and non-dispersable as practical.
DHS 157.52(10)(a)3. 3. Meet the requirements of par. (b).
DHS 157.52(10)(b) (b) Each sealed source, except those used in energy compensation sources (ECS), shall meet one of the following requirements:
DHS 157.52(10)(b)1. 1. For a sealed source manufactured on or before July 14, 1989, the requirements from the United States of America Standards Institute N5.10-1968, “Classification of Sealed Radioactive Sources."
DHS 157.52(10)(b)2. 2. For a sealed source manufactured after July 14, 1989, the oil-well logging requirements from the American National Standard Institute/Health Physics Society N43.6-1997, “Sealed Radioactive Sources-Classification."
DHS 157.52(10)(b)3. 3. For a sealed source manufactured after July 14, 1989, the sealed source's prototype has been tested and found to maintain its integrity after each of the following tests:
DHS 157.52(10)(b)3.a. a. Temperature. The test source shall be held at -40 degrees Celsius for 20 minutes, 600 degrees Celsius for one hour, and then be subjected to a thermal shock test with a temperature drop from 600 degrees Celsius to 20 degrees Celsius within 15 seconds.
DHS 157.52(10)(b)3.b. b. Impact. A 5 kilogram (kg) steel hammer, 2.5 centimeters in diameter, shall be dropped from a height of 1 meter (m) onto the test source.
DHS 157.52(10)(b)3.c. c. Vibration. The test source shall be subjected to a vibration from 25 Hertz (Hz) to 500 Hz with a peak amplitude of five times the acceleration of gravity for 30 minutes.
DHS 157.52(10)(b)3.d. d. Puncture. A 1 gram (gm) hammer and pin, 0.3 centimeter (cm) pin diameter, shall be dropped from a height of 1 meter (m) onto the test source.
DHS 157.52(10)(b)3.e. e. Pressure. The test source shall be subjected to an external pressure of 24,600 pounds per square inch absolute (1.695 X 10 7 pascals) without leakage.
DHS 157.52 Note Note: The publication, “Sealed Radioactive Sources — Classification," American National Standard Institute/Health Physics Society N43.6-1997, published by the American National Standard Institute, may be consulted at the Department of Health Services, Radiation Protection Section, 1 West Wilson St, Room 150, Madison WI 53702-0007 or at the Legislative Reference Bureau. The publication may be purchased from the Health Physics Society, 1313 Dolley Madison Blvd., Suite 402, McLean, VA 22101.
DHS 157.52(10)(c) (c) Licensee use of an energy compensation source, which may contain quantities no greater than 3.7 MBq (100 microcuries), is exempt from the requirements of this subchapter, except for all the following:
DHS 157.52(10)(c)1. 1. A licensee using an ECS in a well with a surface casing for protecting fresh water aquifers shall meet the requirements of subs. (5) to (9).
DHS 157.52(10)(c)2. 2. A licensee using an ECS in a well without a surface casing for protecting fresh water aquifers shall meet the requirements of subs. (5) to (9), and ss. DHS 157.51 (1) (a), 157.53 (2) and 157.56.
DHS 157.52(10)(d) (d) Licensee use of a tritium neutron generator target source is exempt from the following requirements of this subchapter:
DHS 157.52(10)(d)1. 1. A licensee using a tritium neutron generator target source, containing quantities no greater than 1,110 GBq (30 curies), in a well with a surface casing to protect fresh water aquifers is exempt from the requirements of s. DHS 157.56 and this subsection except for pars. (a) and (b) for tritium neutron generator target source use only.
DHS 157.52(10)(d)2. 2. A licensee using a tritium neutron generator target source, containing quantities exceeding 1,110 GBq (30 curies), or in a well without a surface casing to protect fresh water aquifers is exempt from the requirements of this subsection except for pars. (a) and (b) for tritium neutron generator target source use only.
DHS 157.52(11) (11) Labeling.
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:
  DANGER (or “CAUTION")
  RADIOACTIVE
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:
  DANGER (or “CAUTION")
  RADIOACTIVE
NOTIFY CIVIL AUTHORITIES [OR NAME OF
COMPANY] IF FOUND
DHS 157.52(11)(c) (c) Each uranium sinker bar used in well logging applications shall be legibly impressed with the following words:
CAUTION
RADIOACTIVE — DEPLETED URANIUM
NOTIFY CIVIL AUTHORITIES
[OR NAME OF COMPANY] IF FOUND
DHS 157.52(12) (12) Inspection and maintenance.
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 - See PDF for diagram PDFlicensee 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)(e)1. 1. Date of inspection.
DHS 157.52(12)(e)2. 2. Name of person conducting the visual inspection.
DHS 157.52(12)(e)3. 3. Equipment involved by brand, type and serial number.
DHS 157.52(12)(e)4. 4. Defects found.
DHS 157.52(12)(e)5. 5. Repairs made.
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 History History: 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 DHS 157.53Requirements for personnel safety.
DHS 157.53(1)(1)Training requirements.
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:
DHS 157.53(1)(a)1. 1. Completed training incorporating the subjects outlined in ch. DHS 157 Appendix J and demonstrated an understanding of the subject matter by successful completion of a written examination.
DHS 157.53(1)(a)2. 2. Read and received instruction in the requirements contained in this subchapter and subchs. I, III and X or their equivalent from another state or the NRC, conditions of appropriate license or certificate of registration and the licensee's or registrant's operating and emergency procedures and demonstrated an understanding of the subject matter by successful completion of a written examination.
DHS 157.53(1)(a)3. 3. Completed on the job training and demonstrated competence during actual well logging operations to use sources of radiation, related handling tools and radiation survey instruments that will be used on the job.
DHS 157.53(1)(b) (b) A licensee or registrant may not permit an individual to assist in the handling of sources of radiation until the individual has done both of the following:
DHS 157.53(1)(b)1. 1. Read or received instruction in the requirements contained in this subchapter and subchs. I, III and X, and the licensee's operating and emergency procedures and demonstrated an understanding of the subject matter by successful completion of an oral or written test.
DHS 157.53(1)(b)2. 2. Demonstrated competence to use, under the personal supervision of the well logging supervisor, the sources of radiation, related handling tools and radiation survey instruments that will be used on the job.
DHS 157.53(1)(c) (c) A licensee or registrant shall maintain employee training records for inspection by the department for 3 years following termination of the individual's employment.
DHS 157.53(1)(d) (d) A licensee or registrant shall provide safety reviews for well logging supervisors and well logging assistants at least once during each calendar year.
DHS 157.53(2) (2) Operating and emergency procedures. A licensee's or registrant's operating and emergency procedures shall include instructions in at least all of the following:
DHS 157.53(2)(a) (a) Handling and use of sources of radiation to be employed so that no individual is likely to be exposed to radiation doses in excess of the standards established in subch. III.
DHS 157.53(2)(b) (b) Methods and occasions for conducting radiation surveys.
DHS 157.53(2)(c) (c) Methods and occasions for locking and securing sources of radiation.
DHS 157.53(2)(d) (d) Personnel monitoring and the use of personnel monitoring equipment.
DHS 157.53(2)(e) (e) Transportation of radioactive sources to temporary job sites and field stations, including the packaging and placing of sources of radiation in vehicles, placarding of vehicles and securing sources of radiation during transportation to prevent loss, tampering or unauthorized removal.
DHS 157.53(2)(f) (f) Minimizing exposure of individuals in the event of an accident.
DHS 157.53(2)(g) (g) Procedure for notifying the proper personnel in the event of an accident.
DHS 157.53(2)(h) (h) Maintenance of records.
DHS 157.53(2)(i) (i) Use, inspection and maintenance of source holders, well logging tools, source handling tools, storage containers, transport containers, injection tools, sealed sources and uranium sinker bars.
DHS 157.53(2)(j) (j) Procedure to be followed in the event a sealed source is lodged in a well-bore.
DHS 157.53(2)(k) (k) Procedures to be used for picking up, receiving and opening packages containing radioactive material.
DHS 157.53(2)(L) (L) Procedures for using tracers and decontaminating the environment, equipment and personnel.
DHS 157.53(2)(m) (m) Maintenance of records generated by well logging personnel at temporary job sites.
DHS 157.53(2)(n) (n) Notifying proper persons in the event of an accident.
DHS 157.53(2)(o) (o) Actions to be taken if a sealed source is ruptured, including actions to prevent the spread of contamination and minimize inhalation and ingestion of radioactive material, and actions to obtain suitable radiation survey instruments as required by s. DHS 157.52 (4).
DHS 157.53(3) (3) Personnel monitoring.
DHS 157.53(3)(a)(a) A licensee or registrant may not permit an individual to act as a well logging supervisor or logging assistant unless the individual wears a personnel dosimeter at all times during the handling of licensed radioactive materials. Each personnel dosimeter shall be assigned to and worn by only one individual. Film badges shall be replaced at least monthly and all other personnel dosimeters that require replacement shall be replaced at least quarterly. All personnel dosimeters shall be evaluated at least quarterly or promptly after replacement, whichever is more frequent.
DHS 157.53(3)(b) (b) Personnel monitoring records, including bioassay records if required by the license, shall be maintained for inspection until the department authorizes disposition.
DHS 157.53 History History: CR 01-108: cr. Register July 2002 No. 559, eff. 8-1-02; CR 06-021: am. (1) (a) 1. and 2., cr. (1) (d) Register October 2006 No. 610, eff. 11-1-06; CR 09-062: am. (1) (a) 1. Register April 2010 No. 652, eff. 5-1-10; correction in (1) (a) 1. made under s. 35.17, Stats., Register January 2018 No. 745; CR 22-015: am. (3) (a) Register June 2023 No. 810, eff. 7-1-23.
DHS 157.54 DHS 157.54Precautionary procedures.
DHS 157.54(1)(1)Security. During each well logging or tracer application, the well logging supervisor or other designated employee shall maintain direct surveillance of the operation to protect against unauthorized or unnecessary entry into a restricted area.
DHS 157.54(2) (2) Handling tools. A licensee shall provide and require the use of tools that will ensure remote handling of sealed sources other than low-activity calibration sources.
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Published under s. 35.93, Stats. Updated on the first day of each month. Entire code is always current. The Register date on each page is the date the chapter was last published.