The company that is building a natural gas pipeline across northern British Columbia has been fined for a third time as a result of failure to comply with the requirements of its environmental assessment certificate.

The University of British Columbia has lost an appeal of a hefty fine and conviction over an ammonia release that ended up in a fish-bearing streaming.

CIMCO Refrigeration was also fined $800,000 for the leak, which came during repairs on the refrigeration system at Thunderbird Arena.