Bill would set lower pressure standards for trains carrying oil [The Spokesman-Review, Spokane, Wash.]
On a 27-20 vote, the
The bill requires the oil in the tanks be loaded, unloaded and stored with vapor pressure below 9 pounds per square inch. The standard was set because in a Canadian derailment, the only tank of crude oil that didn’t explode was at 9 psi.
But critics of the bill argued lowering vapor pressure does not lower volatility, and the vapor is collected, processed and marketed at refineries at
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