Open valves are blamed for Ontario inferno

05/11/2010 | Hamilton Spectator (Ontario), The

Investigators say the explosion of 30,000 propane tanks in Smithville, Ontario, last month could have been caused by exchanged tanks being shipped with open valves. Officials warned that anyone using 20-pound tanks labeled "Tank Traders/Superior Propane" should check that valves are securely closed.

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Hamilton Spectator (Ontario), The