180 Neb. Admin. Code, ch. 7, § 077

Current through September 17, 2024

Section 180-7-077 - PERIODIC SPOT-CHECKS FOR REMOTE AFTERLOADER UNITS

077.01SPOT-CHECK FREQUENCY. A licensee authorized to use a remote afterloader unit for medical use must perform spot-checks of each remote afterloader facility and on each unit:

(A) At the beginning of each day of use of a HDR, MDR, or PDR remote afterloader unit;

(B) Prior to each patient treatment with a LDR remote afterloader unit; and

(C) After each source installation.

077.02WRITTEN PROCEDURES. The licensee must have the authorized medical physicist establish written procedures for performing the spot-checks required in 180 NAC 7-077.01. The authorized medical physicist need not actually perform the spot-check measurements.

077.03RESULTS. A licensee must have the authorized medical physicist review and sign the results of each spot-check within fifteen days. The authorized medical physicist must notify the licensee within ten days in writing of the results of each spot-check.

077.04ASSURANCE OF PROPER OPERATION. To satisfy the requirements of 180 NAC 7-077.01, spot-checks must, at a minimum, assure proper operation of:

(A) Electrical interlocks at each remote afterloader unit room entrance;

(B) Source exposure indicator lights on the remote afterloader unit, on the control console, and in the facility;

(C) Viewing and intercom systems in each HDR, MDR, and PDR remote afterloader facility;

(D) Radiological emergency response equipment;

(E) Radiation monitors used to indicate the source position;

(F) Timer accuracy;

(G) Clock, date and time, in the unit's computer; and

(H) Decayed source or sources activity in the unit's computer.

077.05SYSTEM MALFUNCTION. If the results of the checks required in 180 NAC 7-077.04 indicate the malfunction of any system, a licensee must lock the control console in the off position and not use the unit other than as necessary to repair, replace, or check the malfunctioning system.

077.06RECORDS. A licensee must retain a record of each check required by 180 NAC 7-077.04 according to 180 NAC 7-110.

180 Neb. Admin. Code, ch. 7, § 077

Amended effective 11/3/2020

Amended effective 6/14/2023