Nevada Administrative Code
Chapter 459 - Hazardous Materials
RADIATION CONTROL
X-Rays in the Healing Arts
Section 459.620 - Other radiographic systems: Special purpose systems

Universal Citation: NV Admin Code 459.620

Current through December 31, 2024

For special purpose X-ray systems:

1. A means must be provided to limit the X-ray field in the plane of the image receptor so that the X-ray field is within 2 percent of the source-image receptor distance in each dimension of the X-ray field when the axis of the X-ray beam is perpendicular to the plane of the image receptor.

2. A means must be provided to align the center of the X-ray field with the center of the image receptor to within 2 percent of the source-image receptor distance.

3. Subsections 1 and 2 may be met with a system that meets the requirements for a general purpose X-ray system as specified in NAC 459.618, or, when alignment means are also provided, may be met with either:

(a) An assortment of removable, fixed-aperture, beam-limiting devices sufficient to meet the requirement for each combination of image receptor size and source-image receptor distance for which the unit is designed with each such device having clear and permanent markings to indicate the image receptor size and source-image receptor distance for which it is designed; or

(b) A beam-limiting device having multiple fixed apertures sufficient to meet the requirement for each combination of image receptor size and source-image receptor distance for which the unit is designed. Permanent, clearly legible markings must indicate the image receptor size and source-image receptor distance for which each aperture is designed and indicate which aperture is in position for use.

Bd. of Health, Radiation Control Reg. §§ 6.6.1.4-6.6.1.4.3.2, eff. 2-28-80; A by R144-13A, eff. 10/13/2016

NRS 459.201

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