Automobile exhaust emission surveillance
Subtitle: a summary.
Contributors: United States. Environmental Protection Agency. Office of Mobile Source Air Pollution Control. Certification and Surveillance Division.
Series: Publication no. APTD-1544
Publisher: [U.S. Environmental Protection Agency, Office of Mobile Source Air Pollution Control, Certification and Surveillance Division]
Published: 1973
Place of publication: Ann Arbor, Mich
Language: eng
Number of pages: 79
Subjects: Air -- Pollution -- United States.; Automobiles -- Motors -- Exhaust gas.
Notes: "Contract no. 68-01-0435."
Prepared for Environmental Protection Agency, Office of Air and Water Programs, Office of Mobile Source Air Pollution Control, Certification and Surveillance Division.