Leak Test Services

Most radioactive materials licenses require that sealed sources be leak tested every six months.  RSSI provides accurate sealed source leak testing on our automated, low-background internal proportional planchet counter.  Leak tests are analyzed within 5 business days of being received in our lab and the results can be mailed, emailed, or faxed to you.  In emergency situations, sealed source leak tests can be analyzed immediately upon receipt and the results sent back to you by email or fax in just a few hours.  We operate under Illinois Emergency Management Agency License IL-01429-01 and are approved by Canadian Nuclear Safety Commission R-116.

Typical MDAs:

Alpha:   4.0x10-2 Bq (1.1x10-6 uCi)
Cs-137: 1.3
x10-1 Bq (3.4x10-6 uCi)
H-3:      1.4 Bq (3.9
x10-5 uCi)

Our low cost for leak test kits includes:

  • Sample media,

  • Analysis,

  • Report (emailed, faxed, and/or mailed hard copy), and

  • Reminder sticker with next leak test due date (if report hard copy is mailed).

The price for one leak test kit is $25, with discounts available for quantities above 5 kits.  For quantities above 100, please contact us

Order leak test kits by calling RSSI at 847-965-1999

Download Sealed Source Leak Test Information Sheet

How to interpret your leak test results

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