Workers inspect an area near storage tanks where a chemical leaked into the Elk River at Freedom Industries storage facility in Charleston, W.Va., on Jan. 13. It is still unclear exactly how much of the chemicals leaked into the area's water supply. Steve Helber/AP hide caption

itoggle caption Steve Helber/AP

Judge Michael Zusman's bialys are topped with roasted onions, poppy seeds and coarse salt. Daniel Zwerdling/NPR hide caption

itoggle caption Daniel Zwerdling/NPR

The PBF Energy refinery in Paulsboro, N.J., uses toxic chemicals such as hydrofluoric acid. Rather than using "inherently safer" design methods, the industry says, other safety measures are taken to prevent accidents like the one in West, Texas. Mel Evans/AP hide caption

itoggle caption Mel Evans/AP