Page 25 - Radiation Safety

SAFETY & WORKING PROCEDURES IN SALES

PROCEDURES FOR INSTALLATION

BEFORE DURING AFTER DECOMISSIONING
1. Get approval from AELB 1. Put up warning sign Commissioning report must be Decommissioning shall be carried
2. Provide personnel dosimeter 2. Barricade the area (No unauthorized enter) submitted to AELB within 14 days out using standard procedure
to workers 3. Measure radiation leakage (not exceed after commissioning has been approved by AELB or other
3. Survey meter is calibrated & in permissible limit) completed. appropriate authority.
good working order. 4. Examine any leak of RAM from sealed sources.
5. Take remedial action if equipment does not
comply with the requirement
PROCEDURES FOR MAINTENANCE
BEFORE DURING AFTTER
1. Get approval from AELB 1. Put up warning sign 1. Keep all exposures and maintenance records
2. Provide personnel dosimeter to workers 2. Barricade the area (No unauthorized enter) 2. Submit maintenance reports to AELB within 30
3. Survey meter is calibrated & in good working 3. Switch off the irradiating apparatus & the days after maintenance work has been
order. shutter of nuclear gauge is closed. completed.
4. Measure any radiation leakage
5. Record all radiation exposure received during
maintenance.

LEAK TEST LEAKAGE TEST

- To check on seepage of RAM from sealed source. - To measure if there is any radiation leak above approved
- Frequency : Annually level for
rd
- Performed by 3 party & competent person irradiating apparatus & sealed source
- Activity must be <5nCi (185 Bq) - Frequency : Annually
Procedure :
1. Install adequate barrier and warning sign
2. Every personnel involved must wear a personnel dosimeter
3. Use a calibrated survey meter to measure radiation level on
the nuclear gauge.