Sealed Source Leak Testing
September 19, 2023
Occupational Services, (OSI) is licensed by the State of California Inc. to provide sealed source leak testing services.
Radioactivity is often encapsulated in small stainless-steel capsules. The capsules are organized and installed in a variety of devices used for industrial and medical applications.
- Cs-137 and Am-241 sources are used in soil moisture/density gauges,
- Co-60 sources are used in teletherapy equipment for cancer treatment,
- Co-60 sources are used Gamma Knife Facilities used for treatment of brain tumors and bleeding arteries,
- I-125 “seeds” are implanted in prostate tissue to treat cancer,
- Cs-137 sources are used in irradiators for biological research and sterilization of human implant devices,
- Ni-63 sources are used in Electron Capture Detectors used in Gas Chromatographs,
- Cs-137 and Co-60 sources are used in well logging devices in the oil industry,
- Cs-137 sources are used in radiation detector calibration devices,
- Sr-90 sources are used in fill-level detectors in bottling facilities,
- Pm-147 sources are used in thickness gauges in paper manufacturing facilities.
OSI operates an ISO 17025 Accredited counting room with Liquid Scintillation Counters, Gamma Counters, Alpha Counters and a Multichannel Analyzer. We follow a rigorous Quality Control program for our Radioactive Counting systems, that was prepared by H. E. Kolde for the United States Department of Health and Human Service.
Sealed Sources
Gamma Irradiator
