TOPIC 5: Leak Testing A Gauge
Let’s explore procedures of leak testing a gauge.
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Leak Testing
- Identify gauges needed to be leak tested
- Verify schedule (3 years for most fixed gauges)
- Within 6 months if moving from storage to use or for transport
- Obtain Leak Test Kit from an approved supplier
- Follow the Directions of the L/T kit
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Leak Test Kit
- Instructions
- Swab
- Vial or plastic sealable envelope
- Protective gloves
- Chain of Custody form
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Leak Testing
- Obtain swipe on nearest accessible fissure of the gauge
- Secure swipe in container
- Complete Chain of Custody paperwork
- Place in a regular mail envelope
- (<0.5 mR/hr USPS regulations)
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Leak Testing Results
- Receive – results from laboratory
- Confirm – the right results for the right gauge
- Sign Off – RSO responsibility
- File – for easy retrieval
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Leak Testing What are the results?
- Lab reports activity found
- < 5 nCi is considered sealed
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Leak testing can be performed by:
- Radiation Safety Officer (RSO)
- Advanced Authorized User (40-hour)
- Authorized User (8-hour)
- Manufacturer’s Representative