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, and/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 (2019 calibration):

Alpha:   3.210-2 Bq (8.810-7 Ci)
Cs-137: 1.6
10-1 Bq (4.310-6 Ci)
H-3:      8.0
10-1 Bq (2.210-5 Ci)

Our low cost leak test kits include:

  • Sample media,

  • Analysis,

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

  • Reminder sticker with next leak test due date (mailed hard copy reporting only).

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

Purchase a sealed source leak test kit.

Download Sealed Source Leak Test Information Sheet

How to interpret your leak test results

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