John Bachmann, former Associate Director for Science/Policy and New Programs, EPA Office of Air Quality Planning and Standards, Betsy Southerland, former Director, Office of Science and Technology, EPA Office of Water, and Chris Zarba, EPN member and former Director, EPA Science Advisory Board, was quoted in this article about a gathering of the former members of the Particulate Matter Review Panel in an attempt to provide scientific expertise on air pollution despite the withdrawal of government support.