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RULE §336.315General Requirements for Surveys and Monitoring

(a) Each licensee shall make, or cause to be made, surveys that:

  (1) are necessary for the licensee to comply with the rules in this chapter or conditions of the license; and

  (2) are reasonable under the circumstances to evaluate:

    (A) the magnitude and extent of radiation levels;

    (B) concentrations or quantities of radioactive material; and

    (C) the potential radiological hazards of the radiation levels and residual radioactivity detected.

(b) The licensee shall ensure that instruments and equipment used for quantitative radiation measurements (e.g., dose rate and effluent monitoring) are calibrated:

  (1) by a person licensed by the Texas Department of State Health Services, another Agreement State, a Licensing State, or the United States Nuclear Regulatory Commission to perform this service;

  (2) at intervals not to exceed 12 months, unless a more restrictive time interval is specified in another part of this chapter or in the license; and

  (3) for the types of radiation measured and at appropriate energies.

(c) All personnel dosimeters, except for direct and indirect reading pocket ionization chambers and those dosimeters used to measure the dose to any extremity, that require processing to determine the radiation dose and that are used by licensees to comply with §336.305 of this title (relating to Occupational Dose Limits for Adults), with other applicable provisions of this chapter, or with conditions specified in a license shall be processed and evaluated by a dosimetry processor:

  (1) holding current personnel dosimetry accreditation from the National Voluntary Laboratory Accreditation Program (NVLAP) of the National Institute of Standards and Technology; and

  (2) approved in this accreditation process for the type of radiation or radiations included in the NVLAP program that most closely approximates the type of radiation or radiations for which the individual wearing the dosimeter is monitored.

(d) Each licensee shall ensure that individuals who are required to use an individual monitoring device follow appropriate procedures in regard to selection of the type of device, location where it is worn, period of use, and precautions to prevent exposures that are not occupational dose to that individual.

(e) Regardless of §336.343(a) of this title (relating to Records of Surveys), records from surveys describing the location and amount of subsurface residual radioactivity identified at the site must be kept with records important for decommissioning, and such records must be retained in accordance with §336.621 of this title (relating to Recordkeeping for Decommissioning), as applicable.

Source Note: The provisions of this §336.315 adopted to be effective June 5, 1997, 22 TexReg 4588; amended to be effective August 30, 2001, 26 TexReg 6309; amended to be effective December 8, 2016, 41 TexReg 9583

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