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(1) diagnostic type protective x-ray tube housing;

(2) diaphragm, cone, or adjustable collimator that restricts the useful beam to the area of the image receptor and provides the same degree of protection as is required of the protective tube housing;

(3) total filtration in the useful beam of not less than that specified in 7 AAC 18.450(a)(4), except when contraindicated for a particular radiographic purpose;

(4) device to terminate operation after a preset time of exposure;

(5) dead-man type switch; and

(6) wall, ceiling, and floor area equivalent to, or provided with, applicable protective barriers as required in 7 AAC 18.450(a)(9) — (11), or other mechanism that substantially separates controlled and uncontrolled areas. (b) A registrant of a radiographic installation used in veterinary medicine shall assure that the device is operated under the following conditions:

(1) an individual, other than the operator, may not be in the x-ray room while exposures are being made, unless that individual’s assistance is required;

(2) in any application in which an operator, or any other individual who may be assisting, is not located behind a protective barrier, the individual must wear a protective apron having a lead equivalent of not less than 0.5 millimeters during exposures;

(3) an individual may not be regularly employed to hold or support an animal or hold film during an x-ray exposure;

(4) if an animal must be held in position for an exposure, a mechanical supporting or restraining device must be used whenever feasible and any individual who is holding an animal must wear a lead apron, a thyroid collar, and protective gloves;

(5) if an animal must be held by an individual, that individual must be adequately protected and positioned so that no part of the individual’s body is struck by the useful beam and so that the individual’s body is as far as possible from the edge of the useful beam; and

(6) personnel monitoring equipment must be supplied and the equipment’s use must be required by any individual who holds an animal during an exposure. (c) A hand-held fluoroscopic screen may not be used. (Eff. 4/9/2009, Register 190) Statutory Authority: