N.M. Admin. Code § 20.3.6.611

Current through Register Vol. 35, No. 21, November 5, 2024

Section 20.3.6.611 - APPENDIX B. MINIMUM DESIGN REQUIREMENTS FOR AN X-RAY MACHINE OPERATOR'S BOOTH

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.

N.M. Admin. Code § 20.3.6.611

5-3-95; 20.3.6.611 NMAC - Rn, 20 NMAC 3.1.6.611, Recompiled xx/xx/xx