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The resignation of EPA Administrator Scott Pruitt raises new questions about the direction of environmental policy under President Trump. There's never been a more important time to read Inside EPA.

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EPA is refusing to take sides in court on the merits of its 2015 Clean Water Act (CWA) jurisdiction rule, urging a federal judge to put challenges to the regulation on hold as it weighs a repeal but adding that if the suit does continue it will defend only the procedure the Obama administration used to craft its signature clean water policy.

Petrochemical and other industry representatives are reiterating their support for EPA's proposed rule barring the use of science where the underlying data and models are not publicly available but they are also calling for clarifications that would expand the rule's scope, limit EPA's ability to grant waivers, better protect trade secrets and more.

A federal health agency's recently released draft report recommending stricter risk values than EPA had adopted for two perfluorinated chemicals is already driving calls for tougher regulatory requirements, with a bipartisan group of House lawmakers urging EPA to reconsider its health advisory levels once the draft is finalized.

EPA is planning to consider workers' exposures to existing chemicals when it assesses substances' risks for possible regulation under the revised toxics law, noting that Occupational Safety and Health Administration (OSHA) has acknowledged that its exposure limits for many chemicals are “outdated and inadequate.”