Wednesday, January 5, 2011

Canadian Victoria River Mysteriously Turns Bright Green


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 The water in Goldstream River, at Goldstream Provincial Park, Victoria, flows a bright green, Dec. 29, 2010.
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VICTORIA — Horrified nature-lovers at Goldstream Provincial Park watched as the Goldstream River turned bright green late Wednesday afternoon.
The fluorescent green colouring appeared to start about 500 metres on the Victoria side of the entrance to the park and, over the course of an hour, the substance flowed down into the environmentally sensitive estuary.
By 5:30 p.m. the river, known for its dramatic salmon runs, eagles and other wildlife, was back to its normal colour.
Ministry of Environment teams were immediately sent to the area to investigate and members of Langford Fire Department collected samples for analysis.
No dead fish or animals had been found by early evening.
Earlier in the day a fountain beside Veterans Memorial Parkway in Langford also turned bright green, said Langford Fire Chief Bob Beckett.
Victoria Times Colonist



UPDATE:
 
Green chemical in B.C. river not toxic, study confirms

By Judith Lavoie, Postmedia News

VICTORIA—The chemical that turned Victoria’s Goldstream River green earlier this week has been confirmed as fluorescein.

Water samples taken Wednesday from the river and from a green-spouting fountain in Veterans Memorial Park were sent to Environment Canada’s Pacific Environmental Science Centre in North Vancouver for assessment, said Dan Gilmore, provincial environment ministry spokesman.

“Test results . . . confirm the substance causing the green colour in the river and the fountain was fluorescein,” Mr. Gilmore said.

“Fluorescein is a synthetic organic compound soluble in water and alcohol. It is widely used as a fluorescent tracer for many applications. The product itself and its products of degradation are not toxic.”


Based on the flow rate of the river, the probable concentration of fluorescein and lab results, Environment Ministry staff do not believe that fish or fish habitat were harmed during this incident, Mr. Gilmore said.
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