Ozone and Particulate Matter Research Act of 1997 : hearing before the Subcommittee on Clean Air, Wetlands, Private Property, and Nuclear Safety of the Committee on Environment and Public Works, United States Senate, One Hundred Fifth Congress, first session on S. 1084, a bill to establish a research and monitoring program for The National Ambient Air Quality Standards for ozone and particulate matter and to reinstate the original standards under the Clean Air Act, and for other purposes, October 22, 1997.