CHAPTER 459 - HAZARDOUS MATERIALS

NAC 459.034 “Dose equivalent” defined. (NRS 459.030, 459.201) “Dose equivalent” means the product of the absorbed dose in a tissue, quality factor and all other necessary modifying factors at the location of interest. The units of dose equivalent are the rem and the sievert. [Bd.…

NAC 459.0345 “Dosimetry processor” defined. (NRS 459.201) “Dosimetry processor” means a person who processes and evaluates personnel monitoring equipment in order to determine the dose of radiation delivered to such equipment. (Added to NAC by Bd. of Health, eff. 1-18-94)

NAC 459.035 “Effective dose equivalent” defined. (NRS 459.201) “Effective dose equivalent” means the sum of the products of the dose equivalent to an organ or tissue and the weighting factors applicable to each of the organs or tissues that are irradiated. (Added to NAC by Bd. of…

NAC 459.0352 “Electron source” defined. (NRS 459.201) “Electron source” means an assemblage of components for the controlled production of electrons without conversion into X-radiation. (Added to NAC by Bd. of Health by R149-03, eff. 12-3-2003)

NAC 459.03525 “Electronic brachytherapy” defined. (NRS 459.201) “Electronic brachytherapy” means a method of radiation therapy that uses X-rays which are electronically generated to deliver a radiation dose at a distance of up to a few centimeters by intracavitary, intraluminal o…

NAC 459.0353 “Electronic brachytherapy source” defined. (NRS 459.201) “Electronic brachytherapy source” means the X-ray tube component used in an electronic brachytherapy system. (Added to NAC by Bd. of Health by R185-08, eff. 5-7-2010)

NAC 459.03535 “Electronic brachytherapy system” defined. (NRS 459.201) “Electronic brachytherapy system” means the system used to produce and deliver therapeutic radiation, including, without limitation, the electronic brachytherapy source, the control mechanism, the cooling syst…

NAC 459.0354 “Embryo” defined. (NRS 459.201) “Embryo” means a developing human organism from conception until the time of birth. (Added to NAC by Bd. of Health, eff. 1-18-94)

NAC 459.0356 “Entrance” defined. (NRS 459.201) “Entrance” means any location through which a person may gain access to radiation areas or to radioactive materials. (Added to NAC by Bd. of Health, eff. 1-18-94)

NAC 459.0357 “Exempt radiation machine” defined. (NRS 459.201) “Exempt radiation machine” means a radiation machine that is: 1. Exempt, pursuant to the provisions of 21 C.F.R. § 900.2(aa)(1), from the Mammography Quality Standards Act of 1992 (MQSA), Public Law 102-539, as amende…

NAC 459.036 “Exposure” defined. (NRS 459.201) “Exposure” means being exposed to radiation or to radioactive material. [Bd. of Health, Radiation Control Reg. § 1.2.10 + § 6.2.19, eff. 2-28-80]—(NAC A 1-18-94)

NAC 459.038 “Exposure rate” defined. (NRS 459.201) “Exposure rate” means the exposure per unit of time, such as R/min or mR/h. [Bd. of Health, Radiation Control Reg. § 1.2.11, eff. 2-28-80]

NAC 459.0382 “External dose” defined. (NRS 459.201) “External dose” means that portion of a dose equivalent received from sources of radiation outside the body. (Added to NAC by Bd. of Health, eff. 1-18-94)

NAC 459.0384 “Extremity” defined. (NRS 459.201) “Extremity” means a hand, an elbow, that portion of an arm below the elbow, a foot, a knee or that portion of a leg below the knee. (Added to NAC by Bd. of Health, eff. 1-18-94)

NAC 459.03843 “Federally exempt radiography” defined. (NRS 459.201) “Federally exempt radiography” means radiography of the breast which is performed during invasive interventions for localization or biopsy procedures and which is exempt, pursuant to the provisions of 21 C.F.R. §…

NAC 459.03845 “Field flood study” defined. (NRS 459.201) “Field flood study” means a tracer study involving multiple wells where unsealed radioactive material is injected and multiple oil or gas samples containing radioactive material are collected from each of the wells to deter…

NAC 459.0385 “Filtering facepiece” or “dust mask” defined. (NRS 459.201) “Filtering facepiece” or “dust mask” means a negative pressure particulate respirator with a filter as an integral part of the facepiece or with the entire facepiece composed of the filtering medium, which i…

NAC 459.0387 “Fit factor” defined. (NRS 459.201) “Fit factor” means a quantitative estimate of the fit of a particular respirator to a specific person, and typically includes an estimate of the ratio of the concentration of a substance in ambient air to its concentration inside t…

NAC 459.0388 “Fit test” defined. (NRS 459.201) “Fit test” means the use of a protocol which involves a qualitative fit test or quantitative fit test to evaluate the fit of a respirator on a person. (Added to NAC by Bd. of Health by R085-06, eff. 11-13-2006)

NAC 459.039 “Form regarding history of cumulative occupational exposure” defined. (NRS 459.201) “Form regarding history of cumulative occupational exposure” means a form provided by the Division regarding the history of the cumulative occupational exposure of a person, or an equi…

NAC 459.0395 “Generator” defined. (NRS 459.030) “Generator” means: 1. A waste generator; or 2. An entity that operates pursuant to a license issued by the Nuclear Regulatory Commission or an agreement state and to which waste is attributed pursuant to the Low-Level Radioactive Wa…

NAC 459.0397 “Gray” defined. (NRS 459.030) “Gray” means a special unit of absorbed dose. One gray equals an absorbed dose of 1 joule per kilogram of material. One gray is equivalent to 100 rads. (Added to NAC by Dep’t of Human Resources by R137-01, eff. 5-30-2003)

NAC 459.040 “Healing arts” defined. (NRS 459.201) “Healing arts” means any system, treatment, operation, diagnosis, prescription or practice for the diagnosis, cure, relief, palliation, adjustment or correction of any human disease, ailment, deformity, injury, or unhealthy or abn…

NAC 459.041 “Helmet” defined. (NRS 459.201) “Helmet” means a rigid respiratory inlet covering that also provides head protection against impact and penetration. (Added to NAC by Bd. of Health by R185-08, eff. 5-7-2010)

NAC 459.042 “High radiation area” defined. (NRS 459.030, 459.201) “High radiation area” means any area, accessible to persons, in which radiation from a source of radiation external to the body exists at such levels that a person could receive a dose equivalent in excess of 0.1 r…

NAC 459.043 “Hood” defined. (NRS 459.201) “Hood” means a respiratory inlet covering that completely covers the head and neck and may also cover portions of the shoulders and torso. (Added to NAC by Bd. of Health by R185-08, eff. 5-7-2010)

NAC 459.044 “Human use” defined. (NRS 459.201) “Human use” means the internal or external administration of radiation or radioactive material to human beings. [Bd. of Health, Radiation Control Reg. § 1.2.14, eff. 2-28-80]

NAC 459.0445 “Industrial radiography” defined. (NRS 459.030, 459.201) “Industrial radiography” has the meaning attributed to it in 10 C.F.R. § 34.3. [Bd. of Health, Radiation Control Reg. § 5.3.2, eff. 2-28-80]—(NAC A by Dep’t of Human Resources by R137-01, 5-30-2003)—(Substitute…

NAC 459.046 “Inspection” defined. (NRS 459.201) “Inspection” means an official examination or observation, including, but not limited to, tests, surveys and monitoring to determine compliance with regulations, orders, requirements and conditions of the Division. [Bd. of Health, R…

NAC 459.047 “Internal dose” defined. (NRS 459.201) “Internal dose” means that portion of the dose equivalent received from radioactive material taken into the body. (Added to NAC by Bd. of Health, eff. 1-18-94)

NAC 459.0475 “Land disposal facility” defined. (NRS 459.201) “Land disposal facility” means the land, buildings, structures and equipment that are intended to be used for the disposal of radioactive waste. (Added to NAC by Bd. of Health by R084-98, eff. 1-26-99)

NAC 459.0477 “Lens dose equivalent” defined. (NRS 459.030, 459.201) “Lens dose equivalent” means the dose equivalent from a source of radiation external to the body that is measured at a depth of 0.3 centimeter in the lens of the eye. (Added to NAC by Bd. of Health, eff. 1-18-94;…

NAC 459.048 “License” defined. (NRS 459.201) “License” means a license issued by the Division in accordance with the provisions of NAC 459.010 to 459.950, inclusive, and chapter 459 of NRS. [Bd. of Health, Radiation Control Reg. § 1.2.16, eff. 2-28-80]—(NAC A by R084-98, 1-26-99;…

NAC 459.049 “Licensed radioactive material” defined. (NRS 459.201) “Licensed radioactive material” means any radioactive material that is possessed under a specific or general license issued by the Division pursuant to this chapter. (Added to NAC by Bd. of Health, eff. 1-18-94)

NAC 459.050 “Licensee” defined. (NRS 459.201) “Licensee” means any person who is licensed by the Division in accordance with the provisions of NAC 459.010 to 459.950, inclusive, and chapter 459 of NRS. [Bd. of Health, Radiation Control Reg. § 1.2.17, eff. 2-28-80]—(NAC A by R084-…

NAC 459.0504 “Limit” defined. (NRS 459.201) “Limit” means the highest permissible dose of radiation. (Added to NAC by Bd. of Health, eff. 1-18-94)

NAC 459.0505 “Loose-fitting facepiece” defined. (NRS 459.201) “Loose-fitting facepiece” means a respiratory inlet covering that is designed to form a partial seal with the face. (Added to NAC by Bd. of Health by R185-08, eff. 5-7-2010)

NAC 459.0506 “Lost or missing sources of radiation” defined. (NRS 459.201) “Lost or missing sources of radiation” means radioactive material or a radiation machine whose location is unknown. The term includes a source of radiation that has been shipped but has not reached its des…

NAC 459.0507 “Medical event” defined. (NRS 459.201) “Medical event” means any event, other than an event that is the result of patient intervention, in which the administration of radiation results in: 1. A dose that differs from the prescribed dose; 2. The total dose delivered d…

NAC 459.0508 “Medical use of radioactive material” and “medical use” defined. (NRS 459.201) “Medical use of radioactive material” or “medical use” means the intentional internal or external administration of: 1. Licensed radioactive material or radiation therefrom, as described i…

NAC 459.051 “Member of the public” defined. (NRS 459.201) “Member of the public” means any natural person except during any period in which that natural person receives an occupational dose. (Added to NAC by Bd. of Health, eff. 1-18-94; A by R084-98, 1-26-99)

NAC 459.0512 “Minor” defined. (NRS 459.201) “Minor” means a person who is under 18 years of age. (Added to NAC by Bd. of Health, eff. 1-18-94)

NAC 459.0515 “Mobile electronic brachytherapy” defined. (NRS 459.201) “Mobile electronic brachytherapy” means an electronic brachytherapy system which is transported from the address of record to be used at another address which is not the address of record. (Added to NAC by Bd. …

NAC 459.0516 “Monitoring” defined. (NRS 459.201) “Monitoring” means the measurement of levels of radiation, concentrations of radioactive materials, or surface area activities or quantities of radioactive material, and the use of the results of these measurements to evaluate pote…

NAC 459.0517 “National Source Tracking System” defined. (NRS 459.201) “National Source Tracking System” means the mandatory tracking system for radiation sources in the United States established and administered by the Nuclear Regulatory Commission pursuant to 42 U.S.C. § 2210h. …

NAC 459.0518 “National Source Tracking Transaction Report” defined. (NRS 459.201) “National Source Tracking Transaction Report” means a report submitted to the National Source Tracking System. (Added to NAC by Bd. of Health by R149-07, eff. 1-30-2008)

NAC 459.0519 “Nationally tracked source” defined. (NRS 459.201) “Nationally tracked source” has the meaning ascribed to it in 10 C.F.R. § 20.1003. (Added to NAC by Bd. of Health by R149-07, eff. 1-30-2008)