This is historical material “frozen in time”. The website is no longer updated and links to external websites and some internal pages may not work.

Search form

The White House
Office of the Press Secretary
For Immediate Release

Letter from OIRA Administrator Cass Sunstein to EPA Administrator Lisa Jackson on Ozone National Ambient Air Quality Standards

Attached please find a letter sent today by OIRA Administrator Cass Sunstein to EPA Administrator Lisa Jackson on the Ozone National Ambient Air Quality Standards.