DHS 157.56(3)(a)1. 1. Immobilization and sealing in place of the radioactive source with a cement plug.

DHS 157.56(3)(a)2. 2. Setting of a deflection device.

DHS 157.56(3)(a)3. 3. Mounting of a permanent identification plaque at the surface of the well, containing the information required by sub. (4).

DHS 157.56(3)(b) (b) Notify the department by telephone within 24 hours, giving the circumstances of the loss and request approval of the proposed abandonment procedures.

DHS 157.56(3)(c) (c) File a written report with the department within 30 working days of the abandonment. A licensee shall send a copy of the report to the department of natural resources bureau that issued permits or otherwise approved of the drilling operation. The report shall contain all the following information:

DHS 157.56(3)(c)1. 1. Date of occurrence.

DHS 157.56(3)(c)2. 2. A description of the well logging source involved, including the radionuclide and its quantity, chemical and physical form.

DHS 157.56(3)(c)3. 3. Surface location and identification of the well.

DHS 157.56(3)(c)4. 4. Results of efforts to immobilize and seal the source in place.

DHS 157.56(3)(c)5. 5. A brief description of the attempted recovery effort.

DHS 157.56(3)(c)6. 6. Depth of the source.

DHS 157.56(3)(c)7. 7. Depth of the top of the cement plug.

DHS 157.56(3)(c)8. 8. Depth of the well.

DHS 157.56(3)(c)9. 9. Any other information, such as a warning statement, contained on the permanent identification plaque.

DHS 157.56(3)(c)10. 10. The names of state agencies receiving a copy of the report.

DHS 157.56 Note Note: Written reports and requests for extensions may be mailed to the department at the following address: Department of Health Services, Radiation Protection Section, PO Box 2659, Madison, WI, 53701-2659. The telephone contact number is: 608-267-4797 during normal business hours and 608-258-0099 after hours.

DHS 157.56(4) (4) Posting. Whenever a sealed source containing radioactive material is abandoned in a well a licensee shall post a permanent plaque, as described in ch. DHS 157 Appendix K, at the surface of the well. The plaque shall be constructed of long-lasting material, such as stainless steel or monel, and contain all the following information engraved on its face:

DHS 157.56(4)(a) (a) The word “CAUTION”.

DHS 157.56(4)(b) (b) The radiation symbol without the conventional color requirement.

DHS 157.56(4)(c) (c) The date of abandonment.

DHS 157.56(4)(d) (d) The name of the well operator or well owner.

DHS 157.56(4)(e) (e) The well name and well identification number or numbers or other designation.

DHS 157.56(4)(f) (f) The sealed source or sources by radionuclide and activity.

DHS 157.56(4)(g) (g) The source depth and the depth to the top of the plug.

DHS 157.56(4)(h) (h) An appropriate warning, depending on the specific circumstances of each abandonment.

DHS 157.56 Note Note: Appropriate warnings may include: (a) “Do not drill below plug-back depth;” (b) “Do not enlarge casing;” or (c) “Do not re-enter the hole,” followed by the words, “before contacting the Department of Health Services, Radiation Protection Section”.

DHS 157.56(5) (5) Loss in potable fresh water aquifer. A licensee shall immediately notify the department by telephone and within 24 hours by confirming letter if the licensee knows or has reason to believe that radioactive material has been lost in or to an underground potable fresh water aquifer. The notice shall designate the well location, describe the magnitude and extent of loss of radioactive material, assess the consequences of such loss and explain efforts planned or being taken to mitigate these consequences.

DHS 157.56 Note Note: The department may be contacted at: Department of Health Family Services, Radiation Protection Section, P.O. Box 2659, Madison, WI, 53701-2659. Telephone contact is: 608-267-4797 during normal business hours or 608-258-0099 after hours.

DHS 157.56 History History: CR 01-108: cr. Register July 2002 No. 559, eff. 8-1-02; CR 06-021: am. (4) (intro.) and (5) Register October 2006 No. 610, eff. 11-1-06; correction in (4) (intro.) made under s. 35.17, Stats., Register January 2018 No. 745.