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Canadian Radon Reference Laboratory

The first Canadian AARST-NRPP Certified Radon Chamber –

your trusted partner for C-NRPP/NRPP quality assurance and certification requirements

Our Facilities and People

The Radiation Safety Institute of Canada operates the first Canadian AARST-NRPP accredited secondary reference radon chamber. Our radon chamber, first developed to support the Institute’s federally licensed Personal Alpha Dosimetry Service, has been in operation for more than 35 years.

With over 20 years of experience in the field, Brian Bjorndal, Director of our National Laboratories, is responsible for Radon Chamber operations. He is supported by a team of scientific/technical professionals with expertise in radon and radon progeny measurement.


The Radiation Safety Institute of Canada National Laboratories, located in Saskatoon, SK, offers expert Radon Chamber services to radon measurement and mitigation professionals and to manufacturers of radon and radon progeny measuring instruments. Services include:

How to Order Radon Chamber services:

  1. Complete a Radon Chamber Test Requisition Form. Ensure to include your contact information and return shipping address on the form.
  2. Securely package your instruments and ship the instruments to our National Laboratories in Saskatoon. Ensure to include any necessary accessories with the instrument(s) and a copy of the Radon Chamber Test Requisition Form with the instrument(s).
  3. Upon receipt of your instrument(s) we will inspect the shipment, and schedule to place your instrument(s) in our radon chamber. For continuous radon monitors the standard exposure period is 96 hours. Passive devices (e.g. alpha track detectors) are typically exposed to an equivalent exposure of 200 Bq/m3 over 90 days. Alternate exposure conditions may be requested.
  4. Once the exposures have been completed, calibration/performance reports will be prepared and included with the instrument(s). As appropriate, calibration stickers are attached to the instrument(s).
  5. The instrument(s) are then packaged and shipped back to you typically using the same packaging the instrument(s) were shipped to us in.
  6. After the tests have been completed, we will invoice you for the costs of the tests and return shipping (as applicable). Applicable taxes will be added in the service costs.

The Radiation Safety Institute is an authorized calibration facility for AIRTHINGS, SunRADON and Ecosense continuous radon monitors.

Choosing to work with the Canadian radon chamber, in addition to our professional and reliable service, you also benefit from up to 60% in savings compared to international providers*.

Calibration of Continuous Radon Monitors (CRM)

In accordance with the C-NRPP quality assurance requirements CRMs should be tested once a year. An annual performance test ensures your CRM is working properly and provides confidence that you are providing your clients with accurate test results and advice. Annual performance tests also protect radon measurement professionals from unnecessary liabilities. To confirm and/or determine the calibration of continuous radon monitors the devices are exposed to a predetermined radon concentration. CRMs that agree with our reference system, within +/-25%, are considered to be operating properly. Instruments that fail the performance test are tested a second time to confirm the results. Verification report will be issued to the client upon test completion; verification sticker will be affixed to the monitor.

How to order

Service Fee

Continuous Radon Monitors (CRMs)

□ Calibration Verification/Efficiency Determination of CRM CDN$ 185

per Monitor

□ Calibration Verification/Efficiency Determination of CRM CDN$ 160

per Monitor (> 3 Monitors)

Calibration of Sun Nuclear CRMs

The Institute is licensed to calibrate Sun Nuclear CRMs: Model 1027™, Model 1028™ and Model 1030™ CRMs. For Sun Nuclear CRM users a full spectrum of calibration service are available. For more information visit: Sun Nuclear CRMs Calibration.

How to order

Service Fee

Sun Nuclear

Approved Full Calibration Service/ Exclusive Canadian Offering CDN$ 185

per Monitor. Models Included: Model 1027™, Model 1028™ and Model 1030™ CRMs

Calibration of Corentium Pro CRMs ( Airthings)

The Institute is licensed to calibrate Airthings Corentium Pro Continuous Radon Monitors.

How to order

Service Fee

Corentium Pro Calibration Services

Approved Full Calibration Service/ Exclusive Canadian Offering

Regular Service Fee CDN$ 185/ per monitor (single device)

Regular Service Fee CND$ 160/ per monitor (group of 3 devices)

Discounted Service Fee CND$ 135/ per monitor

Discounted Service is only available on First business day of March and first business day of September. Your unit(s) must be at the lab at these exact dates. Regular service fee will apply to unit(s) delivered too late.

Calibration of Radon Measuring Scintillation Cells

In addition to continuous radon monitors, the radon chamber is ready to accept for calibration verification and efficiency determination other electronic integrating devices and other radon measurement devices such as radon ZnS scintillation cells.

How to order

Service Fee


Scintillation Detectors

□ Calibration Verification/Efficiency Determination of ZnS Scintillation Cells CDN$ 250

per Scintillation Cell

□ Calibration Verification/Efficiency Determination of ZnS Scintillation Cells CDN$ 200

per Scintillation Cell (> 3 Scintillation Cells)

□ Calibration Verification/Plateau/Efficiency/Background Determination CDN$ 210

per Device

Quality Control (QC) Spike Testing of Passive Radon Measuring Instruments**

Done on an ongoing basis to verify the devices and measurement systems are still operating within your QA/QC standards and specifications.

If you are a registered CNRPP or NRPP analytical laboratory your quality control must include regular calibrations and device spike testing (3% of the total device volume).

How to order

Service Fee

Annual Subscription Plans

Most Popular

□ Monthly Tests CDN$ 1260/ year

Group of 1-10 Devices/month (CDN$ 105/ month)

□ Quarterly Tests CDN$ 630/ year

Group of 3-10 Devices/ quarter (CDN$ 157.50/ quarter)

Infrequent Tests Plans

□ Less than Quarterly Tests CDN$ 260/ group

Group of 6-10 Devices

□ Less than Quarterly Tests CDN$ 315/ group

Group of 1-5 Devices

Performance (Blind) Testing of Radon and Radon Progeny Measuring Instruments

A powerful quality assurance tool that enables device manufacturers/suppliers, laboratories and radon measurement providers to monitor or assess detector and measurement systems performance.

How to order

Service Fee

□ Performance Testing (Blind) CDN$ 160

per Device

*Including current exchange rate and brokerage fees.
** A group of devices refers to passive radon monitors of the same manufacturer and model.
Shipment & Tax: Shipping and applicable taxes will be added.

TO ORDER THE TEST: fill out this Radon-Chamber-Test-Requisition-Form and send it along with your device to the Laboratory.

TO TALK TO A REPRESENTATIVE: Call us at 1-800-263-5803 ext. 225 or (306) 975-0566 ext. 225

Fax: (306) 975-0494

Email us at:

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