Canadian Consulting Engineer

Action on blue-green algae

Canada's Minister of Environment has promised to impose stricter limits on phosphates in cleaning products in order to reduce the problematic growth of blue-green algae in rivers and lakes. Increasing...

March 1, 2008   Canadian Consulting Engineer

Canada’s Minister of Environment has promised to impose stricter limits on phosphates in cleaning products in order to reduce the problematic growth of blue-green algae in rivers and lakes. Increasing levels of blue-green algae have been occurring in Canada’s waterways during past summer months, with occurrences especially rife in Quebec.

The government is proposing to amend the regulations to impose stricter limits on phosphates allowed in laundry detergents. And, for the first time, it will limit amounts in dishwasher detergents and general purpose cleaners.


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