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Proceedings of the EPA/Industry Workshop on Paperwork Reduction in the Certification Process : Decem

EPA/Industry Workshop on Paperwork Reduction in the Certification Process (1977 : Ann Arbor, Mich.), author.
Ann Arbor, Michigan : U.S. Environmental Protection Agency, Office of Air and Waste Management, Office of Mobile Source Air Pollution Control, Certification Division, 1977. 1977

Status report on the CO "hot spot" project

Wolcott, Mark, author.
[Ann Arbor, Mich.] : Characterization and Applications Branch, Emission Control Technology Division, Office of Mobile Source Air Pollution Control, Office of Air and Waste Management, U.S. Environmental Protection Agency, May, 1978. 1978-