Current through Register Vol. 48, 12, December 27, 2024
Section 61-63.IV.H.RHA 4.70 - Additional Technical Requirements for Mobile Remote Afterloader Units4.70.1 A licensee providing mobile remote afterloader service shall-- 4.70.1.1 Check survey instruments before medical use at each address of use or on each day of use, whichever is more frequent; and4.70.1.2 Account for all sources before departure from a client's address of use.4.70.2 In addition to the periodic spot-checks required by RHA 4.68, a licensee authorized to use mobile afterloaders for medical use shall perform checks on each remote afterloader unit before use at each address of use. At a minimum, checks must be made to verify the operation of-- 4.70.2.1 Electrical interlocks on treatment area access points;4.70.2.2 Source exposure indicator lights on the remote afterloader unit, on the control console, and in the facility;4.70.2.3 Viewing and intercom systems;4.70.2.4 Applicators, source transfer tubes, and transfer tube-applicator interfaces;4.70.2.5 Radiation monitors used to indicate room exposures;4.70.2.6 Source positioning (accuracy); and4.70.2.7 Radiation monitors used to indicate whether the source has returned to a safe shielded position.4.70.3 In addition to the requirements for checks in RHA 4.70.2, a licensee shall ensure overall proper operation of the remote afterloader unit by conducting a simulated cycle of treatment before use at each address of use.4.70.4 If the results of the checks required in RHA 4.70.2 indicate the malfunction of any system, a licensee shall lock the control console in the off position and not use the unit except as may be necessary to repair, replace, or check the malfunctioning system.4.70.5 A licensee shall retain a record of each check required by RHA 4.70.2 in accordance with RHA 4.114.S.C. Code Regs. § 61-63.IV.H.RHA 4.70