EPA Poised to Roll Back Rule to Designed to Improve Chemical Accident Prevention
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A little past 4 a.m. on June 21, 2019, workers at the Philadelphia Energy Solutions oil refinery in Philadelphia, Pennsylvania, noticed a leak from a corroded pipe, and were immediately on high alert. The leak had originated in Unit 433, known among workers as the “bogeyman” because it contained the highly explosive chemical hydrofluoric acid, or HF. When released in large quantities…