New Mexico Administrative Code
Title 20 - ENVIRONMENTAL PROTECTION
Chapter 3 - RADIATION PROTECTION
Part 6 - X-RAYS IN HEALING ARTS
Section 20.3.6.611 - APPENDIX B. MINIMUM DESIGN REQUIREMENTS FOR AN X-RAY MACHINE OPERATOR'S BOOTH
Universal Citation: 20 NM Admin Code 20.3.6.611
Current through Register Vol. 35, No. 6, March 26, 2024
A. Space Requirements:
(1) The operator shall be
allotted not less than 0.7 square m (7.5 square feet) of unobstructed floor
space in the booth.
(2) The minimum
space as indicated above may be any geometric configuration with no dimension
of less than 61 cm (2 feet).
(3)
The space shall be allotted excluding any encumbrance by the console, such as
overhang or cables, or other similar encroachments.
(4) The booth shall be located or constructed
such that unattenuated direct scatter radiation originating on the examination
table or at the wall cassette not reach the operator's station in the
booth.
(5) The booth walls shall be
at least 2.1 m (7 feet) high and shall be permanently fixed to the floor or
other structure as may be necessary.
(6) When a door or movable panel is used as
an integral part of the booth structure, it must have a permissive device which
will prevent an exposure when the door or panel is not closed (this type of
booth structure is not recommended).
B. Switch Placement:
(1) The operator's switch for the
radiographic machine shall be fixed within the booth.
(2) The switch shall be at least 1 m (40
inches) from any edge of the booth wall which is proximal to the examining
table.
(3) The switch shall allow
the operator to use the majority of the available viewing windows.
C. Viewing System Requirements:
(1) Each booth shall have a least one viewing
device which will:
(a) be so placed that the
operator can view the patient during any exposure; and
(b) the device shall be so placed that he can
have full view of any occupant of the room and should be so placed that he can
view any entry into the room; and if any door, which allows access to the room,
cannot be seen from the booth, then that door must have a permissive device
controlling the exposure which will prevent the exposure if the door is not
closed.
(2) When the
viewing system is a window:
(a) it shall have
a visible area of at least 930 square cm (1.5 square feet);
(b) the distance between the proximal edge of
the window and the open edge of the booth shall not be less than 45.7 cm (18
inches); and
(c) the glass shall
have the same lead equivalence as that required in the booths' wall in which it
is to be mounted.
(3)
When the viewing system is by mirrors, the mirror(s) shall be so located as to
accomplish the general requirements as in above.
(4) When the viewing system is by electronic
means (e.g., TV, etc.):
(a) the camera shall
be so located as to accomplish the general requirements of 611.C.1 [Paragraph
(1), Subsection C. Section 611 of 20.3.6.611 NMAC]. above; and
(b) there shall be an alternative viewing
system as a back-up for electronic failure.
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