The EPA will delay the implementation of a chemical safety regulation for up to 20 months while it reassesses the rule.

Officials said Monday that the agency would continue to reconsider the safety measure, which came about in part because of an explosion at a chemical plant in Texas in 2013.

The rule, finalized last year, would require chemical companies to better prepare for accidents and expand the EPA’s investigative and auditing powers.

But chemical manufacturers say it could create security and compliance problems, and asked Pruitt to reconsider the rule shortly after his confirmation as EPA administrator.

“We are seeking additional time to review the program, so that we can fully evaluate the public comments raised by multiple petitioners and consider other issues that may benefit from additional public input,” Pruitt said in a statement on Monday.

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