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Article snippet: CROSBY, Tex. — Residents have returned to their homes here in the shadow of the Arkema chemical plant now that the fires at the plant are out and the immediate safety hazard has passed. The fires, a result of flooding in the wake of Hurricane Harvey that caused chemicals to become unstable, had little health impact beyond the 21 emergency workers who were treated for smoke exposure. The returning homeowners now face more common problems that follow a flood: crumbling plasterboard, ruined furnishings and, above all, mold. Still, the accident at the plant has exposed large flaws in regulation of chemical safety, risk disclosure and emergency planning. Because of a gap in federal environmental laws long criticized by chemical safety experts, Arkema was not even required to address, in the emergency plans it submits to federal regulators, the risk posed by the volatile chemicals that overheated and set off fires several times last week, sending dense black smoke billowing over this town near Houston. The close call has raised doubts about the preparedness of the nation’s vast chemicals industry for potentially bigger disasters, both natural and man-made. The Environmental Protection Agency ignores a whole class of chemicals in regulating plant safety that experts say pose explosion hazards. Other federal agencies responsible for inspecting and investigating safety at chemical facilities are poorly funded, leaving the industry to largely police itself. And now the Tru... Link to the full article to read more