Amid a slew of chemical accidents, the agency that investigates them is under threat

NPR's Ayesha Rascoe speaks with former member of the U.S. Chemical Safety Board Rick Engler about the current state of chemical safety following a string of incidents in the U.S. AYESHA RASCOE, HOST: When a massive chemical tank imploded at a paper mill in Washington state last week, 11 people were killed. Just days earlier in Southern California, authorities ordered 50,000 people to evacuate when a tank filled with highly toxic chemicals was in danger of exploding. …