B. Surveys: Radiation surveys, as required by Section 405 [20.3.4.405 NMAC] and Section 416 [20.3.4.416 NMAC] of these regulations, of all analytical x-ray systems sufficient to show compliance with Section 802.A [Subsection A of 20.3.8.802 NMAC] shall be performed:

(1) upon installation of the equipment and at intervals not to exceed 12 months thereafter;

(2) following any change in the initial arrangement, number, or type of local components in the system;

(3) following any maintenance requiring the disassembly or removal of a local component in the system;

(4) during the performance of maintenance and alignment procedures if the procedures require the presence of a primary x-ray beam when any local component in the system is disassembled or removed; and

(5) any time a visual inspection of the local components in the system reveals an abnormal condition; and

(6) whenever personnel monitoring devices show a significant increase over the previous monitoring period or the readings are approaching the radiation dose limits in Subpart 4 [20.3.4 NMAC].

C. Posting: Each area or room containing analytical x-ray equipment shall be conspicuously posted with a sign or signs bearing the radiation symbol and the words "CAUTION-- X-RAY EQUIPMENT." or words having a similar intent.

[5-3-95; 20.3.8.803 NMAC--Rn, 20 NMAC 3.1.8.803, Recompiled]