Current through Register Vol. 39, No. 6, September 16, 2024
(a) The
provisions of this Rule shall apply only to veterinary medicine radiographic
installations. Radiographic equipment used in veterinary medicine radiographic
installations shall meet the following requirements:
(1) The protective tube housing shall be of
the diagnostic type.
(2) Diaphragms
or cones shall be provided for collimating the useful beam to the area of the
image receptor and shall provide the same degree of protection as is required
in the housing.
(3) The total
filtration permanently in the useful beam shall not be less than 0.5
millimeters aluminum equivalent for machines operating up to 50 kVp, 1.5
millimeters aluminum equivalent for machines operating between 50-70 kVp, and
2.5 millimeters aluminum equivalent for machines operating above 70
kVp.
(4) A device shall be provided
to terminate the exposure after a preset time or exposure.
(5) A dead-man type of exposure switch shall
be provided, together with an electrical cord of sufficient length, so that the
operator can stand out of the useful beam and at least six feet from the animal
during all x-ray exposures or behind a protective barrier adequate to assure
compliance with Rules.1604 and.1611 of this Chapter.
(b) All wall, ceiling and floor areas shall
be equivalent to or provided with primary and secondary protective barriers
necessary to comply with Rules.1604 and.1611 of this Chapter.
(c) Operating procedures shall meet the
following requirements:
(1) The operator shall
stand well away from the useful beam and the animal during radiographic
exposures.
(2) No individual other
than the operator shall be in the x-ray room while exposures are being made
unless such individual's assistance is required.
(3) When an animal must be held in position
during radiography, mechanical supporting or restraining devices shall be used;
except if the animal must be held by an individual, that individual shall be
protected with appropriate shielding devices, such as protective gloves and
apron, and shall be so positioned that no part of the individual's body will be
struck by the useful beam. The exposure of any professional staff or ancillary
personnel used for this purpose shall be monitored and permanently recorded.
Exposures shall comply with Rules.1604 and.1609 of this Chapter.
Authority
G.S.
104E-7;
Eff. February 1,
1980;
Amended Eff. January 1, 1994; November 1, 1989;
Transferred and Recodified from
15A NCAC
11 .0610 Eff. February 1,
2015.
