1. Catching Our Breath: Next Steps for Reducing Urban Ozone 1989
2. Draft 1988 Air Quality Management Plan 1989
3. EPA Report of the Clean Air Scientific Advisory Committee Review of the NAAQS for O3: Closure on the OAQPS Staff Paper (1988) Criteria Document Supplement (1988) 1989
4. National Air Quality and Emissions Trends Report 1988 1990
5. National Air Quality and Emissions Trends Report 1989 1991