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Leak Testing
A leak test must be performed at least every 12 months on the Heuresis Pb200i, as specified in the
Registry of Radioactive Sealed Sources and Devices, Safety Evaluation of Device, No: MA-1397-D-101-
B. Certain regulatory jurisdictions, especially States requiring a Specific License, may require leak tests
every six months.
The leak test kit is provided by the laboratory that performs the leak test analysis. A leak test involves
wiping the seams of the front of the instrument to assess whether radioactive material has leaked from
the sealed source (extremely unlikely) and contaminated the outside of the instrument (Figure 111)
State radiation control programs maintain lists of approved leak test laboratories.
Two options include:
Valley Safety Services Associates
330 Old Enfield Rd.
Belchertown, MA 01007
Troxler Electronic Laboratories, Inc.
3008 Cornwallis Road
P.O. Box 12057
Research Triangle Park, NC 27709
A copy of the leak test results must be kept on file at your primary location of storage. It is also useful to
keep a copy of the leak test results with the instrument, as this may be required or desired in certain
transport situations. Heuresis recommends keeping a copy of the leak test results inside the instrument
transport case at all times.
It is important to maintain all leak test reports, even after expiration. Regulations vary on how long test
results should be maintained, but Heuresis recommends keeping leak test results for a minimum of two
years. Be sure to check your regulations to ensure compliance.
If the leak test expires on an instrument, the device must be taken out of use and placed in its secure
storage location. The instrument must be clearly marked as unusable until a valid leak test is conducted.
The instrument must have a valid leak test for transportation.
Conducting the Leak Test
Following the instructions of the leak test kit, wipe the areas shown in Fig. 137.
Summary of Contents for Pb200i
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