U.S. Sen. David Vitter (R-La.), top Republican on the Environment and Public Works Committee, today made the following statement regarding Assistant Administrator for the Environment Protection Agency's (EPA) Office of Air and Radiation, Gina McCarthy.

"With Lisa Jackson's resignation, I want to know who will respond to my outstanding request of one year and nine months regarding the scientific methods used to base the EPA's regulatory agenda," said Vitter. "Assistant Administrator McCarthy is directly responsible for these concerns, and the failure to respond is not a good sign. The administration should be looking for someone who will end the standard of ignoring congressional requests, undermining transparency and relying on flawed science. Instead, it looks like they may double down on that practice."

Currently, EPA has yet to respond to three requests from Sen. Vitter. Vitter cites three specific requests directly under McCarthy's jurisdiction that have not been answered. Links to his letters are below.

Click here to read the June 30, 2011 Vitter, Inhofe letter to EPA Administrator Lisa Jackson on their system to assess human health risks, particularly in relation to PM and ozone NAAQS.

Click here to read the August 23, 2012 Vitter letter to EPA Freedom of Information Officer Larry Gottesman regarding Al Armenderez and the EPA's decision to deny permits for the Las Brisas Energy Center in Corpus Christie, Texas.

Click here to read the January 23, 2013 Vitter letter to EPA Administrator Lisa Jackson for EPA not meeting timely publication of the Unified Agenda.