Use of deadly chemical at refineries questioned

An accidental release of the lethal chemical, hydrofluoric acid, used in 50 aging refineries across the country could end up as a major catastrophe, according to oil industry documents filed with the federal government
March 14, 2011

An accidental release of the lethal chemical, hydrofluoric acid, used in 50 aging refineries across the country could end up as a major catastrophe, according to oil industry documents filed with the federal government.

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