2 options
Portland study element / by Hamilton Test Systems, Incorporated.
- Format:
- Book
- Government document
- Language:
- English
- Subjects (All):
- Automobiles--Motors--Exhaust gas--Oregon--Portland--Measurement.
- Automobiles.
- Motor vehicles--Inspection--Oregon--Portland.
- Motor vehicles.
- Air quality management--Oregon--Portland.
- Air quality management.
- Air--Pollution--Oregon--Portland.
- Air.
- Air--Pollution.
- Automobiles--Motors--Exhaust gas--Measurement.
- Motor vehicles--Inspection.
- Oregon--Portland.
- Physical Description:
- 1 online resource (3 volumes) : illustrations
- Place of Publication:
- Ann Arbor, Michigan : U.S. Environmental Protection Agency, Office of Mobile Source Air Pollution Control, Emission Control Technology Division, 1979.
- Contents:
- I. Short test correlation study
- II. I/M effectiveness study
- III. Post-I/M deterioration study
- Notes:
- "EPA-460/3-79-001"--Volume I.
- "EPA-460/3-79-003"--Volume II.
- "EPA-460/3-79-009"--Volume III.
- "March 1979"--Volume I.
- "May 1979"--Volume II.
- "July 1979"--Volume III.
- Description based on online resource; title from PDF title screen (EPA, viewed on September 19, 2019).
- Other Format:
- Print version: Portland study element
- OCLC:
- 1123192333
The Penn Libraries is committed to describing library materials using current, accurate, and responsible language. If you discover outdated or inaccurate language, please fill out this feedback form to report it and suggest alternative language.