Reviewing National Ambient Air Quality Standards (NAAQS)
Carbon Monoxide (CO) Standards -
Documents from Previous Reviews
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Criteria Document
- Air Quality Criteria for Carbon Monoxide (U.S.EPA, 2000)
- Air Quality Criteria for Carbon Monoxide (U.S.EPA, 1991) (PDF) (757pp, 43 MB)
Exposure Assessment
- Estimation of Carbon Monoxide Exposures and Associated Carboxyhemoglobin Levels in Denver Residents Using pNEM/CO (Version 2.0) - Mar 1999 (PDF) (208pp, 1.8 MB)
Staff Paper
Federal Register Notices
- CO NAAQS Final Rulemaking Notice - Aug 1994 (PDF) (12pp, 1.4 MB)
- CO NAAQS Final Rulemaking Notice – Sept 1985 (PDF) (18 pp, 2.4 MB)
- CO NAAQS Final Rulemaking Notice – April 1971 (PDF) (2 pp, 300kb)
- Issuance of Air Quality Criteria for Carbon Monoxide and Photochemical Oxidants (PDF) (2pp, 317k) - March 19, 1970
CASAC Documents