PHOTO GALLERY: 7.11.2007 Subcommittee Hearing entitled "Review of EPA's Proposed Revision to the Ozone NAAQS" July 11, 2007 - Permalink: https://www.epw.senate.gov/public/index.cfm/2007/7/gallery-b64f1241-802a-23ad-4a5c-2dae40aa766b