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People Strong - Innovation Driven

Environmental Monitoring

Toronto

Air and water emissions are routinely measured for the presence of uranium. The results show the Toronto facility has very low emissions. 

Airborne and liquid wastes discharged from a fuel fabrication facility like BWXT are regulated by concentration limits. We have established our own limits at just a fraction of the regulatory limits, to keep public exposure to any radiation as low as possible. 

BWXT NEC performs both continuous in-stack sampling and boundary air monitoring. Boundary samples are conducted using high volume air samples drawn at five positions around the Toronto facility perimeter. Filters from the high volume air monitors are sent weekly to an independent lab for analysis. 

In Toronto, we also conduct annual soil tests at 49 locations both onsite and in the surrounding community, to ensure we meet or exceed regulatory environmental safety standards. 

Recent boundary air monitoring results are as follows:

Toronto Air Boundary

Water is used in the production process and to clean protective clothing, walls, floors and other janitorial functions. The water is first held in storage tanks in the facility, treated to remove uranium dioxide, tested and only released in batches once the test results confirm it meets regulatory requirements to be released. 

The release limit for uranium water emissions, which is set by the Canadian Nuclear Safety Commission, is 9,000 kg/year. BWXT NEC releases just a small fraction of the limit.


Licence discharge limit (Toronto sewer):
 9000 kg/year

Note: Uranium in water concentrations and water discharge quantities are both subject to normal variations from year to year depending on production activities and also cleaning and maintenance activities occurring during a given year.

Licence discharge limit (Toronto air): 760 g/year                                              

Radiation doses to a member of the public from both the air and water emissions are negligible. Additional information on environmental performance for both the Toronto and Peterborough facilities can be found in the latest Annual Compliance Report.

*Worker safety report is available on request.

Soil sampling:

Peterborough

Air and water emissions are routinely measured for the presence of uranium. The results show the BWXT Nuclear Energy Canada Inc. Peterborough facility is a near-zero emissions plant. 

At our Peterborough facility we perform in-stack sampling. Due to the nature of the process and stack sample results to-date, boundary monitoring is not required. The latest stack sampling results are as follows:

The latest water effluent sampling results are as follows:

  

Licence discharge limit (Peterborough sewer): 760 kg/year 

Licence discharge limit (Peterborough air): 550 g/year 

Radiation doses to a member of the public from both the air and water emissions are negligible. Additional information on environmental performance for both the Toronto and Peterborough facilities can be found in the latest Annual Compliance Report

Learn More:

 
Air Emissions
Air Emissions

Soil Measures
Soil Measures

Soil Measures