4731 RADIATION SAFETY

4731.0600 LICENSE EXPIRATION AND TERMINATION; DECOMMISSIONING. Subpart 1. Expiration. A. A specific license issued under parts 4731.0525 to 4731.0630 expires at the end of the day on the expiration date stated in the license, unless the licensee has filed an application for renew…

4731.0605 SPECIFIC LICENSE; MANUFACTURE OR INITIAL TRANSFER OF CALIBRATION OR REFERENCE SOURCES. Subpart 1. Manufacture or initial transfer of certain calibration sources. An application for a specific license to manufacture or initially transfer calibration and reference sources…

4731.0610 AUTHORIZED USE OF SPECIAL NUCLEAR MATERIAL. Subpart 1. Authority under license. A licensee must confine the licensee's possession and use of special nuclear material to the locations and purposes authorized in the license. Except as otherwise provided in the license, a …

4731.0615 TRANSFER OF SPECIAL NUCLEAR MATERIAL. Subpart 1. Authorization required. No licensee shall transfer special nuclear material except as authorized under this part. Subp. 2. Approved transfer. Except as otherwise provided in a license and subject to subpart 3, a licensee …

4731.0620 REPORTING REQUIREMENTS. Subpart 1. Immediate notification required. A licensee must notify the commissioner as soon as possible but not later than four hours after the discovery of an event that prevents immediate protective actions necessary to avoid exposures to radia…

4731.0625 RECORD TRANSFER REQUIREMENTS. Subpart 1. Transfer to commissioner. Prior to license termination, a licensee authorized to possess radioactive materials must forward the following records to the commissioner: A. records of disposal of licensed material made under parts 4…

4731.0630 INSPECTIONS AND TESTS. Subpart 1. Material and premises inspection. A licensee must afford to the commissioner at all reasonable times opportunity to inspect special nuclear material and the premises and facilities wherein special nuclear material is used, produced, or …

4731.0700 PURPOSE AND SCOPE. Subpart 1. Scope. The purpose of parts 4731.0700 to 4731.0840 is to establish procedures and criteria for the issuance of licenses to receive title to, receive, possess, use, transfer, or deliver source and by-product materials and establish and provi…

4731.0705 INACTIVE TAILINGS SITES. The NRC regulates by-product material that is located at a site where milling operations are no longer active, if the site is not covered by the remedial action program of title I of the Uranium Mill Tailings Radiation Control Act of 1978, Publi…

4731.0710 LICENSE REQUIREMENT. A person subject to parts 4731.0700 to 4731.0840 may not receive title to, own, receive, possess, use, transfer, provide for long-term care, deliver, or dispose of any source material after removal from its place of deposit in nature, unless authori…

4731.0715 EXEMPTION; USE OF SOURCE MATERIAL UNDER CERTAIN FEDERAL CONTRACTS. A. Except to the extent that United States Department of Energy (DOE) facilities or activities of the types subject to licensing under United States Code, title 42, section 5842, the Energy Reorganizatio…

4731.0720 EXEMPTION; CARRIERS. Common and contract carriers, freight forwarders, warehousers, and the United States Postal Service are exempt from parts 4731.0700 to 4731.0840, to the extent that they transport or store source material in the regular course of the carriage for an…

4731.0725 EXEMPTION; UNIMPORTANT QUANTITIES OF SOURCE MATERIAL. Subpart 1. Low percentage source material. A person is exempt from parts 4731.0700 to 4731.0840 to the extent that the person receives, possesses, uses, transfers, or delivers source material in any chemical mixture,…

4731.0730 OTHER EXEMPTIONS. A. The commissioner may, upon application of any interested person or upon the commissioner's own initiative, grant exemptions from parts 4731.0700 to 4731.0840 as the commissioner determines are authorized by law and will not endanger life or property…

4731.0735 TYPES OF LICENSES. A. Licenses for radioactive material are of two types: general and specific. B. Licenses for long-term care and custody of residual radioactive material at disposal sites are general licenses. The general licenses provided under parts 4731.0700 to 473…

4731.0740 GENERAL LICENSE; TITLE TO SOURCE OR RADIOACTIVE MATERIAL. A general license is issued authorizing the receipt of title to source or radioactive material without regard to quantity. This general license does not authorize any person to receive, possess, deliver, use, or …

4731.0745 GENERAL LICENSE; SMALL QUANTITIES OF SOURCE MATERIAL. Subpart 1. General license issued. A general license is issued authorizing commercial and industrial firms; research, educational, and medical institutions; and state and local government agencies to receive, possess…

4731.0750 GENERAL LICENSE; USE OF CERTAIN INDUSTRIAL PRODUCTS OR DEVICES. Subpart 1. General license issued. A general license is issued to receive, acquire, possess, use, or transfer, according to this part, depleted uranium contained in industrial products or devices for the pu…

4731.0760 SPECIFIC LICENSE; APPLICATION. Subpart 1. Application generally. A. An application for a specific license must be filed on an application for radioactive material license form prescribed by the commissioner. B. Applications and statements must be signed by the applicant…

4731.0765 SPECIFIC LICENSE; APPROVAL. The commissioner shall approve an application for a specific license if: A. the application is for a purpose authorized under this chapter; B. the applicant is qualified by reason of training and experience according to this chapter to use th…

4731.0770 SPECIFIC LICENSE; CERTAIN INDUSTRIAL PRODUCTS AND DEVICES. Subpart 1. License requirements. An application for a specific license to manufacture industrial products and devices containing depleted uranium or to initially transfer such products and devices, for use accor…

4731.0780 FINANCIAL ASSURANCE AND RECORD KEEPING FOR DECOMMISSIONING. Subpart 1. Applicability. This part establishes criteria for providing financial assurance for decommissioning, except for licenses authorizing the receipt, possession, and use of source material for uranium or…

4731.0785 LICENSE CONDITIONS. Subpart 1. Required conditions. A specific license issued under parts 4731.0700 to 4731.0840 must contain and be subject to the following conditions: A. neither the license nor any right under the license shall be assigned or otherwise transferred in…

4731.0790 LICENSE EXPIRATION AND TERMINATION; DECOMMISSIONING. Subpart 1. Expiration. A. A specific license issued under parts 4731.0700 to 4731.0840 expires at the end of the day on the expiration date stated in the license, unless the licensee has filed an application for renew…

4731.0795 LICENSE RENEWAL AND AMENDMENT. Subpart 1. Renewal application. Applications for renewal of a specific license must be filed on an application for radioactive material license form, as prescribed by the commissioner, according to part 4731.0760. Subp. 2. Amendment applic…

4731.0810 INALIENABILITY OF LICENSES. A. No license issued or granted under parts 4731.0700 to 4731.0840 shall be transferred, assigned, or in any manner disposed of, either voluntarily or involuntarily, directly or indirectly, through transfer of control of a license to a person…

4731.0815 TRANSFER OF RADIOACTIVE MATERIAL. Subpart 1. Authorization required. No licensee shall transfer radioactive material except as authorized under this part. Subp. 2. Approved transfer. Except as otherwise provided in a license and subject to subpart 3, a licensee may tran…

4731.0816 LICENSE TO TRANSFER SOURCE MATERIAL. An application for a specific license to initially transfer source material for use under part 4731.0745 or equivalent regulations of the NRC or an agreement state shall be approved if: A. the applicant satisfies the general requirem…

4731.0817 REQUIREMENTS FOR LABELING SOURCE MATERIAL; INSTRUCTIONS. Subpart 1. Label required. Each person licensed under part 4731.0816 must label the immediate container of each quantity of source material with the type of source material and quantity of material and the words "…

4731.0820 REPORTING REQUIREMENTS. Subpart 1. Immediate notification required. A licensee must notify the commissioner as soon as possible but not later than four hours after the discovery of an event that prevents immediate protective actions necessary to avoid exposures to radia…

4731.0825 RECORDS. Subpart 1. Requirements. A. A person who receives radioactive material pursuant to a license issued under parts 4731.0700 to 4731.0840 must keep records showing the receipt, transfer, and disposal of the radioactive material according to this subpart. B. A lice…

4731.0830 INSPECTIONS AND TESTS. Subpart 1. Material and premises inspection. A licensee or registrant must afford to the commissioner at all reasonable times opportunity to inspect radioactive material and the premises and facilities wherein radioactive material is used or store…

4731.0840 MODIFICATION AND REVOCATION OF LICENSES. The terms and conditions of each license issued under parts 4731.0700 to 4731.0840 are subject to amendment, revision, or modification by reason of this chapter or orders issued by the commissioner, according to part 4731.0270. S…

4731.1000 SCOPE; NOTICES, INSTRUCTIONS, REPORTS. Parts 4731.1000 to 4731.1090 apply to all persons who receive, possess, use, or transfer material licensed by the commissioner under this chapter. Parts 4731.1000 to 4731.1090 establish requirements for notices, instructions, and r…

4731.1010 POSTING WORKER NOTICES. Subpart 1. Required postings. A. A licensee must post current copies of the following documents: (1) parts 4731.2000 to 4731.2900; (2) the license, license conditions, and documents incorporated into the license by reference and amendments theret…

4731.1020 WORKER INSTRUCTIONS. Subpart 1. Required instruction. All individuals who, in the course of employment, are likely to receive in a year an occupational dose in excess of 100 millirems (1 mSv) must be: A. kept informed of the storage, transfer, or use of radiation and ra…

4731.1030 EXPOSURE NOTIFICATIONS AND REPORTS. Subpart 1. Exposure data notification. A. Radiation exposure data for an individual and the results of any measurements, analyses, and calculations of radioactive material deposited or retained in the body of an individual must be rep…

4731.1040 INSPECTIONS; PRESENCE OF REPRESENTATIVES. A. A licensee must afford to the commissioner at all reasonable times opportunity to inspect materials, activities, facilities, premises, and records according to this chapter. B. During an inspection, the commissioner's inspect…

4731.1050 INSPECTIONS; CONSULTATION WITH WORKERS. Subpart 1. Consultation permitted. The commissioner's inspectors may consult privately with workers concerning matters of occupational radiation protection and other matters related to this chapter and to licenses to the extent th…

4731.1060 INSPECTIONS; REQUESTS BY WORKERS. Subpart 1. Worker request for inspection. A worker or representative of workers who believes that a violation of this chapter or a license condition exists or has occurred in licensed activities with regard to radiological working condi…

4731.1070 INSPECTION NOT WARRANTED; INFORMAL REVIEW. Subpart 1. Review of inspection denial. A. If the Radioactive Materials Unit supervisor determines, with respect to a complaint under part 4731.1060, that an inspection is not warranted because there are no reasonable grounds t…

4731.1080 VARIANCES. The commissioner may grant a variance to this chapter, except parts 4731.3000 to 4731.3175, only according to parts 4717.7000 to 4717.7050. Statutory Authority: MS s 144.1202; 144.1203 History: 29 SR 755 Published Electronically: March 12, 2009

4731.1090 DISCRIMINATION PROHIBITED. No person, on the grounds of race, color, creed, religion, national origin, sex, disability, sexual orientation, or age, shall be excluded from participation in; denied the benefits of; or subjected to discrimination under any program or activ…

4731.2000 GENERAL PROVISIONS. Subpart 1. Scope. Parts 4731.2000 to 4731.2950 establish standards for protection against ionizing radiation resulting from activities conducted under licenses issued by the commissioner. Parts 4731.2000 to 4731.2950 apply to persons licensed by the …

4731.2010 RADIATION PROTECTION PROGRAMS. Subpart 1. General requirements. A licensee must develop, document, and implement a radiation protection program commensurate with the scope and extent of licensed activities and sufficient to ensure compliance with parts 4731.2000 to 4731…

4731.2020 OCCUPATIONAL DOSE LIMITS FOR ADULTS. Subpart 1. Dose limits. Except for planned special exposures according to part 4731.2060, a licensee must control the occupational dose to individual adults to the following dose limits: A. an annual limit, which is the more limiting…

4731.2030 SUMMATION OF EXTERNAL AND INTERNAL DOSES. Subpart 1. Summation required. If a licensee is required to monitor under part 4731.2210, subparts 2 and 3, the licensee must demonstrate compliance with the dose limits by summing external and internal doses. Subp. 2. Summation…