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Great Lakes Article:

Seaway reopens after chemical spill
CBC Ottawa
Published July 28th, 2004

GANANOQUE, Ont. - The St. Lawrence Seaway has been reopened near Gananoque after an accident sent nearly 50,000 litres of chemicals into the water, halting shipping for most of the day, Tuesday. Traffic through the area will be slow for the rest of this week, because only a narrow channel has been opened.

The accident occurred around 5 a.m., Tuesday, when a Canadian barge ran into rocks at a narrow passage near Alexandria Bay, N.Y., leaking thousands of litres of calcium chloride into the waterway.

FROM JULY 27, 2004: Seaway closed by chemical spill
Calcium chloride is a water-soluble chemical that is used to melt road ice, to control dust, and as a preservative in food.

It's considered a low-toxicity material, but its ingestion can cause gastrointestinal upset, vomiting and abdominal pain.

The accident happened on the U.S. side in a narrow channel, preventing other ships from getting through.

A spokesperson with Emergency Services for Jefferson County, N.Y., said the spill did not pose a health risk to the water supply.

Gananoque is about a 20-minute drive east of Kingston.

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