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I was disappointed to see the words “blast” and “explosion” used to describe the incidents at both Williams Cos. and at CF Industries in Louisiana (C&EN, June 24, page 5). Although both incidents involved fatalities, the CF Industries accident appears to have been caused by the rupture of a nitrogen line or vessel by overpressure. The mainstream press may think that is an explosion, but heaven help us if C&EN does.
Scotch Plains, N.J.
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