CLAS Certificate Number 2016-05

Company name Canadian Nuclear Safety Commission
Company address 280 Slater Street
Ottawa, ON K1P 5S9

Laboratory Calibration activities are performed at:
3484 Limebank Road,
Ottawa, Ontario, K1V 1E1

Contact Aslam Ibrahim
Telephone: 613-998-4069
Fax: 613-998-3209
Clients served
  • Internal clients
  • Federal and provincial organizations within Canada
  • IAEA and signatories for client services arranged via Memorandum of Understanding (MOU).
Fields of calibration
  • Ionizing radiation
SCC accreditation
(ISO/IEC 17025)
  • Accredited Laboratory 844
  • First issued
  • Issue 4.1e

This scope of calibration capabilities is published by the CLAS program of the National Research Council of Canada (NRC) in close co-operation with the laboratory accreditation program of the Standards Council of Canada (SCC), Canada's accreditation body for calibration and testing laboratories. The SCC accredits the capability of the named laboratory for being able to perform the listed calibrations at the given Calibration Measurement Capability (see Supplementary note C and note D) with traceability to the International System of Units (SI) or to standards acceptable to the CLAS program.

Type II Capability

Ionizing radiation

Measured Quantity & Range or Instrument Calibration and Measurement Capability expressed as an Uncertainty (±)
(See supplementary notes)
Reference gamma ray beam, Cs-137
1.4 µSvh-1 to 2.0 µSvh-1 8.6 % CNSC instruction I500.2.QCINSC and IAEA Safety Reports Series No.16: 2000, Section 3.4.2, Page 30; ANSI N323A-1997
>2.0 µSvh-1 to 5.0 µSvh-1 6.5 %
>5.0 µSvh-1 to 10.0 µSvh-1 2.6%
>10.0 µSvh-1 to 20.0 µSvh-1 2.3 %
>20.0 µSvh-1 to 600.0 mSvh-1 2.2 %
Reference ion chamber, Cs-137
0.85 mGyh-1 2.2 % Calibration of the Ion chamber with an electrometer. CNSC instruction I500.2.WORKSD; IAEA Technical Report Series No. 374, Section 9, Page 63.
>468 mGyh-1 2.2 %
Electronic Personal Dosimeters, Cs-137
150 µSv to 10 Sv 5.0 % CNSC instruction I500.2.DM2000 and IAEA Safety Report Series No. 16: 2000; ANSI N323A-1997
Field gamma survey instrument, Cs-137
1.4 μSvh-1 to 600 mSvh-1 9.0 % CNSC procedure P500 and IAEA Safety Report Series No. 16: 2000; ANSI N323A-1997
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