A regional municipality in northern Alberta has been fined for releasing chlorine gas at a water treatment plant.
The Alberta government says the Regional Municipality of Wood Buffalo has pleaded guilty to one count under environmental legislation.
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It says two chemicals were accidentally mixed, resulting in the release of chlorine gas at the Fort McMurray plant in May 2017.
A provincial court judge fined the municipality $150,000.
The government says the fine will be used to pay for a workshop to better educate water and wastewater operators.
It will also help pay for air filters at the Northern Lights Health Centre in Fort McMurray.