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Our core purpose is to make a distinctive contribution to the health and well-being of people.
In support of this core purpose, we are committed to:
Creating a workplace that enriches the health and well-being of Nordion people
Demonstrating Environmental, Health, and Safety (EHS) regulatory excellence
Continuously improving EHS performance
Managing EHS with excellence
In an effort to meet this commitment—and exceed regulatory commitments—we maintain comprehensive waste and environmental monitoring programs.
There are a variety of sources of radiation including the sun, granite countertops and potash fertilizers, just to name a few.
Cobalt-60 is used to sterilize common household products like spices, makeup—even your dog’s chew toy.
Nordion’s Radiation Protection Program
We manage a Radiation Protection Program in accordance with the Canadian Nuclear Safety Commission (CNSC) Radiation Protection Regulations. The program ensures that contamination levels and radiation doses received by individuals are monitored, controlled and maintained as low as reasonably achievable (ALARA). The program encompasses the following.
Application of ALARA / Worker Dose Control
All employees who work in Nordion’s licensed Class 1B facility are classified as Nuclear Energy Workers (NEWs). Some employees work regularly in the licensed facility (Active Area Personnel) while others require less frequent access (Non-Active Area Personnel).
The CNSC has set occupational radiation exposure limits for NEWs at 50 mSv of ionizing radiation exposure over a 1-year period and 100 mSv over a 5-year period.
Annually, Nordion establishes ALARA objectives with the goal to maintain radiation doses as per the ALARA principle and well below the CNSC regulatory dose limits. Recent results are provided in our Annual Compliance Report.
Estimated Dose to the Public
Nordion monitors environmental gamma radiation using dosimeters deployed at any points around the facility as well as at the residences of Nordion employees. The monitoring results have historically shown that the levels of gamma radiation at those monitoring locations are in the range of natural background. These results indicate that Nordion is not contributing to dose at—and beyond—the perimeter of the facility.
Radiological Hazard Control
Nordion has implemented a radiological survey and contamination control program which consists of routine sampling and monitoring of areas both within and outside the licensed facility. The results of this program indicate that Nordion’s continues to be effective. The results of the program are reported annually to the CNSC.
Radiation Protection Program Performance
Nordion sets annual targets for performance of our Radiation Protection Program. The Environmental Health and Safety Committee is charged with reviewing this performance regularly, typically every 2 months. The results of the program are reported annually to the CNSC and the CNSC’s annual assessment of this program indicates that it continues to be acceptable.