Guidance to states on in-use smoke test procedure for highway heavy-duty diesel vehicles
Publisher: U.S. Environmental Protection Agency, Office of Air and Radiation
Published: 1997
Place of publication: Washington, D.C
Language: eng
Format: [electronic resource]
Subjects: Air; Pollution; Measurement; Diesel motor exhaust gas
Notes: Title from title screen (viewed Feb. 27, 2013).

"EPA420-F-97-053."

"Apr 3 1997."