Nevada Administrative Code

NAC 459.096 “Source material” defined. (NRS 459.201) “Source material” means: 1. Uranium or thorium, or any combination thereof, in any physical or chemical form; or 2. Ores which contain by weight one-twentieth of one percent (0.05 percent) or more of uranium or thorium, or any …

NAC 459.098 “Source of radiation” defined. (NRS 459.201) “Source of radiation” means any radioactive material, or any device or equipment emitting or capable of producing radiation. [Bd. of Health, Radiation Control Reg. § 1.2.41, eff. 2-28-80]

NAC 459.102 “Special nuclear material in quantities not sufficient to form a critical mass” defined. (NRS 459.201) “Special nuclear material in quantities not sufficient to form a critical mass” means uranium enriched in the isotope uranium 235 in quantities not exceeding 350 gra…

NAC 459.1025 “Specific training on the system provided by the manufacturer” defined. (NRS 459.201) “Specific training on the system provided by the manufacturer” means training in the operation of the system, safety procedures and clinical use of the system for the uses approved …

NAC 459.103 “Stochastic effect” defined. (NRS 459.201) “Stochastic effect” means the effects on health that occur randomly and for which: 1. The probability of the effect occurring, rather than its severity, is assumed to be a linear function of the dose of radiation; and 2. It i…

NAC 459.1035 “Supplied-air respirator” defined. (NRS 459.201) “Supplied-air respirator” means an atmosphere-supplying respirator for which the source of breathing air is not designed to be carried by the user, and includes, without limitation, an airline respirator. (Added to NAC…

NAC 459.104 “Survey” defined. (NRS 459.201) “Survey” means an evaluation of the radiological conditions and potential hazards incident to the production, use, transfer, release, disposal or presence of radioactive material or other sources of radiation. When appropriate, the eval…

NAC 459.1045 “Temporary job site” defined. (NRS 459.201) “Temporary job site” means a physical location where a source of radiation is stored or used other than the physical location indicated on a license or registration as the location at which the source of radiation covered b…

NAC 459.106 “Termination” defined. (NRS 459.201) “Termination” means the end of employment with the license or registrant or, in the case of persons not employed by the licensee or registrant, the end of a work assignment in the licensee’s or registrant’s restricted areas in a gi…

NAC 459.108 “Test” defined. (NRS 459.201) “Test” means a method for determining the characteristics or condition of sources of radiation or components thereof. [Bd. of Health, Radiation Control Reg. § 1.2.45, eff. 2-28-80]

NAC 459.109 “Threshold” defined. (NRS 459.201) “Threshold” means the dose of radiation below which there are no effects on the health of a person from that dose of radiation. (Added to NAC by Bd. of Health, eff. 1-18-94)

NAC 459.1092 “Tight-fitting facepiece” defined. (NRS 459.201) “Tight-fitting facepiece” means a respiratory inlet covering that forms a complete seal with the face. (Added to NAC by Bd. of Health by R085-06, eff. 11-13-2006)

NAC 459.1095 “Total effective dose equivalent” defined. (NRS 459.201) “Total effective dose equivalent” means the sum of the effective dose equivalent for external exposures and the committed effective dose equivalent for internal exposures. (Added to NAC by Bd. of Health, eff. 1…

NAC 459.111 “Total organ dose equivalent” defined. (NRS 459.201) “Total organ dose equivalent” means the sum of the deep-dose equivalent and the committed dose equivalent for the organ receiving the highest dose. (Added to NAC by Bd. of Health, eff. 1-18-94)

NAC 459.1115 “Uniform manifest” defined. (NRS 459.201) “Uniform manifest” means the combination of NRC Forms 540, 541 and 542, and continuation sheets, as applicable. (Added to NAC by Bd. of Health by R084-98, eff. 1-26-99)

NAC 459.112 “Unrefined and unprocessed ore” defined. (NRS 459.201) 1. “Unrefined and unprocessed ore” means ore in its natural form before any processing, such as grinding, roasting, beneficiating or refining. 2. As used in this section, “processing” does not include the sieving …

NAC 459.114 “Unrestricted area” defined. (NRS 459.201) “Unrestricted area” means any area where access is not controlled or limited by the licensee or registrant. [Bd. of Health, Radiation Control Reg. § 1.2.48, eff. 2-28-80]—(NAC A 1-18-94)

NAC 459.1142 “User-performed seal check” defined. (NRS 459.201) “User-performed seal check” means an action conducted by the user of a respirator to determine if the respirator is properly seated to the face. The term includes, without limitation, a negative pressure check, a pos…

NAC 459.1145 “Very high radiation area” defined. (NRS 459.030, 459.201) “Very high radiation area” means an area, accessible to persons, in which radiation levels from a source of radiation external to the body could result in a person receiving an absorbed dose in excess of 500 …

NAC 459.11455 “Waste” defined. (NRS 459.201) “Waste” means any low-level radioactive waste containing source material, special nuclear material or by-product material specified in NAC 459.022 that is acceptable for disposal in a land disposal facility. The term does not include a…

NAC 459.1146 “Waste collector” defined. (NRS 459.201) “Waste collector” means an entity that operates pursuant to a license issued by the Nuclear Regulatory Commission or an agreement state whose principal purpose is to: 1. Collect and consolidate waste generated by others; and 2…

NAC 459.1147 “Waste generator” defined. (NRS 459.201) “Waste generator” means: 1. An entity that operates pursuant to a license issued by the Nuclear Regulatory Commission or an agreement state that: (a) Possesses any material or component that contains radioactivity or is radioa…

NAC 459.1148 “Waste processor” defined. (NRS 459.201) “Waste processor” means an entity that operates pursuant to a license issued by the Nuclear Regulatory Commission or an agreement state whose principal purpose is to process, repackage or otherwise treat low-level radioactive …

NAC 459.1149 “Waste type” defined. (NRS 459.030) “Waste type” means a waste, within a disposal container, that has a unique physical description. The term includes, without limitation, a waste that has a specific descriptor code and a waste that is sorbed on or solidified in a sp…

NAC 459.115 “Weighting factor” defined. (NRS 459.201) “Weighting factor” means the proportion that the risk of stochastic effects resulting from irradiation of an organ or tissue bears to the total risk of stochastic effects when the whole body is irradiated uniformly, calculated…

NAC 459.1152 “Whole body” defined. (NRS 459.201) “Whole body” means, for the purposes of determining external doses, the head, that portion of an arm above the elbow, that portion of a leg above the knee, and the trunk, including the gonads. (Added to NAC by Bd. of Health, eff. 1…

NAC 459.1156 “Woman who has declared her pregnancy” defined. (NRS 459.030, 459.201) “Woman who has declared her pregnancy” means a woman who has voluntarily informed the relevant licensee or registrant, in writing, of her pregnancy and the estimated date of conception. (Added to …

NAC 459.116 “Worker” defined. (NRS 459.201) “Worker” means a person engaged in work under a license or registration issued by the agency and controlled by a licensee or registrant. [Bd. of Health, Radiation Control Reg. § 1.2.50, eff. 2-28-80] RADIATION CONTROL General Provisions

NAC 459.118 Applicability. (NRS 459.030, 459.201) The provisions of NAC 459.010 to 459.950, inclusive, including the provisions of the federal regulations adopted by reference in NAC 459.1232, 459.1997, 459.3062, 459.3205 and 459.737 apply to all persons who receive, possess, use…

NAC 459.120 Exemptions. (NRS 459.201) 1. The Division may, upon application or its own initiative, grant exemptions or exceptions from the requirements of NAC 459.010 to 459.950, inclusive, as it determines will not result in undue hazard to public health and safety or property. …

NAC 459.122 Prohibited equipment. (NRS 459.201) The use of the following equipment is prohibited: 1. Handheld fluoroscopic screens; and 2. Fluoroscopic devices for the fitting of shoes. [Bd. of Health, Radiation Control Reg. §§ 1.8-1.8.2, eff. 2-28-80]

NAC 459.123 Enforcement by Division of provisions of statute and regulation governing state control of radiation. (NRS 459.201) The Division shall enforce the provisions of NRS 459.010 to 459.290, inclusive, and NAC 459.010 to 459.950, inclusive, and any other applicable state or…

NAC 459.1232 Adoption by reference and revision of certain provisions of federal regulation regarding physical protection of certain quantities of radioactive material. (NRS 459.201) 1. The provisions of 10 C.F.R. Part 37 are hereby adopted by reference, subject to the following:…

NAC 459.1236 Storage and transfer of sources of radiation. (NRS 459.201) 1. A source of radiation may be stored at a temporary job site for a period that exceeds: (a) Thirty days only after the licensee or registrant provides written notification to the Division; and (b) One hund…

NAC 459.124 Records. (NRS 459.030, 459.060, 459.201) 1. In addition to other records required by NAC 459.010 to 459.950, inclusive, each licensee and registrant shall maintain records showing his or her receipt, transfer and disposal of all sources of radiation as follows: (a) A …

NAC 459.125 Certain records and documents of the Division regarding radiation control declared confidential; procedure for marking documents as confidential. (NRS 239.010, 459.201) 1. The State Board of Health hereby declares to be confidential the following final records and doc…

NAC 459.126 Inspections. (NRS 459.201) 1. Each licensee and registrant shall, at any reasonable time, permit the Division to inspect sources of radiation and the premises or facilities where sources of radiation are used or stored. 2. Each licensee and registrant shall make avail…

NAC 459.128 Tests. (NRS 459.201) On instruction from the Division, each licensee and registrant shall perform or permit the Division to perform such reasonable tests as the Division deems appropriate or necessary, including, but not limited to, tests of: 1. Sources of radiation; …

NAC 459.134 Communications with Division. (NRS 459.201) All communications and reports concerning the provisions of NAC 459.010 to 459.950, inclusive, and copies of regulatory guides and applications filed under those provisions should be addressed to the Radiation Control Progra…

NAC 459.135 Deliberate misconduct prohibited; enforcement action. (NRS 439.200, 459.030, 459.201) 1. A licensee, registrant, employee of a licensee or registrant, contractor or subcontractor of a licensee or registrant, or employee of such a contractor or subcontractor, who knowi…

NAC 459.136 Procedure for review of actions taken by Division; appeals. (NRS 459.201) 1. Any licensee or registrant who has reason to believe that an action by the Division or one or more of the Division’s staff members pursuant to NAC 459.118 to 459.950, inclusive, concerning hi…

NAC 459.138 Change of method for determining calendar quarters. (NRS 459.201) No licensee or registrant may change the method observed by him or her for determining calendar quarters for purposes of NAC 459.010 to 459.950, inclusive, except at the beginning of a calendar year. [B…

NAC 459.140 Variances. (NRS 459.201) A request for a variance must be made in accordance with the procedures in chapter 439 of NAC, regulations governing the procedures for seeking variances from board regulations. [Bd. of Health, Radiation Control Reg. §§ 12.2 & 12.2.1, eff. 2-2…

NAC 459.141 Termination of declaration of woman who has declared her pregnancy. (NRS 459.030) The declaration of a woman who has declared her pregnancy remains in effect until the woman making the declaration: 1. Withdraws the declaration in writing; or 2. Is no longer pregnant. …

NAC 459.142 Severability. (NRS 459.201) If any of the provisions of NAC 459.010 to 459.950, inclusive, or any application thereof to any person, thing or circumstance is held invalid, it is intended that such invalidity not affect the remaining provisions, or their application, t…

NAC 459.150 Scope of provisions; registration of radiation machines and persons who install or perform service upon such machines required; modifications of radiation machines; prohibitions. (NRS 459.201) 1. NAC 459.150 to 459.179, inclusive, provide for the registration of radia…

NAC 459.152 Exemptions from requirements. (NRS 459.201) 1. Except as otherwise provided in subsection 5, electronic equipment that produces radiation incidental to its operation for other purposes is exempt from the requirements of registration and notification in NAC 459.150 to …