The top Republican on the Senate’s environment committee on Tuesday dropped his threat to filibuster President Obama’s nomination of Gina McCarthy Regina (Gina) McCarthyOVERNIGHT ENERGY: Energy Department proposes showerhead standards rollback after Trump complaints | Interior memo scaling back bird protections is 'contrary to law,' court rules | Former EPA chiefs call for agency 'reset' Former EPA chiefs call for agency 'reset' Azar arrives in Taiwan amid tensions with China MORE to run the Environmental Protection Agency.



The move by Sen. David Vitter David Bruce VitterLysol, Charmin keep new consumer brand group lobbyist busy during pandemic Bottom line Bottom line MORE (R-La.), who said he won “huge” EPA commitments to be more open with data, comes as Senate Majority Leader Harry Reid Harry Mason ReidSenate Republicans signal openness to working with Biden Mellman: The likely voter sham Bottom line MORE (D-Nev.) has threatened to change Senate rules to ease passage of stalled nominations.



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“I’ve had very productive conversations with EPA over the last several weeks, and believe the agency has taken significant steps forward on our five transparency requests,” Vitter said in a statement Tuesday.“These are huge, significant steps forward to bringing transparency to the agency, and I see no further reason to block Gina McCarthy’s nomination, and I’ll support moving to an up-or-down vote on her nomination,” he added.

McCarthy is currently the EPA’s top air pollution regulator. Vitter’s action brings the Senate a step closer to a vote on the nomination, which the White House first sent to the Senate four months ago.



Senate Environment and Public Works Committee Chairwoman Barbara Boxer Barbara Levy BoxerThe Hill's Morning Report - Presented by Facebook - Biden, Harris launch Trump offensive in first joint appearance Bottom line Polls show big bounce to Biden ahead of Super Tuesday MORE (D-Calif.) and an aide to Reid said earlier on Tuesday that a vote on McCarthy could come next week.

Vitter’s action does not guarantee, however, that the path has been fully cleared for McCarthy.



Sen. Roy Blunt Roy Dean BluntOn The Money: Trump undercuts GOP, calls for bigger COVID-19 relief package | Communities of color hit hardest financially by COVID-19 | Businesses, states pass on Trump payroll tax deferral Trump undercuts GOP, calls for bigger COVID-19 relief package Businesses, states pass on Trump payroll tax deferral MORE (R-Mo.) months ago placed a procedural “hold” on her nomination, protesting what he called federal “gridlock” surrounding a flood control project in his state.

On Tuesday Blunt said his “hold” on the nomination remains.



He said EPA, the Interior Department and the U.S. Army Corps of Engineers have failed to demonstrate that they have ended bureaucratic infighting over the St. Johns Bayou-New Madrid Floodway Project.



Blunt, in a statement, said “I look forward to hearing conclusively whether the Corps, EPA, and [Interior’s Fish and Wildlife Service] have reached an agreement on all of the facts surrounding this project.”



Vitter and several other Republicans, meanwhile, have blocked McCarthy as leverage in their quest for more “transparency” from the EPA.



Vitter’s office said Tuesday that the EPA made several commitments.



They include mandatory retraining of more than 17,000 workers on public records law, and publishing online, upon receipt, outside groups' petitions for rulemaking and notices of intent to sue.



Republicans have been attacking what they contend is an un-transparent “sue and settle” technique of policymaking.



He also claimed victories on the EPA’s use of data.



“EPA has initiated the process of obtaining the requested scientific information, as well as reaching out to relevant institutions for information on how to de-identify and code personally identifying information that may be in any of the data. For the first time we should be able to determine if there is any way of independently re-analyzing the science and benefits claims for a suite of major air regulations,” Vitter’s office said in a summary of what it called new commitments from the EPA.

This post was last updated at 4:29 p.m.



Zack Colman contributed

