Implementation of the Clean Air Act national ambient air quality standards (NAAQS) revisions for ozone and particulate matter : joint hearing before the Subcommittee on Health and Environment and the Subcommittee on Oversight and Investigations of the Committee on Commerce, House of Representatives, One Hundred Fifth Congress, first session, October 1, 1997.

Coverage: Washington : U.S. G.P.O. : 1998.

Volumes:

Implementation of the Clean Air Act national ambient air quality standards (NAAQS) revisions for ozone and particulate matter : joint hearing before the Subcommittee on Health and Environment and the Subcommittee on Oversight and Investigations of the Committee on Commerce, House of Representatives, One Hundred Fifth Congress, first session, October 1, 1997.