MOTOR VEHICLE TAMPERING SURVEY-1979

The National Enforcement Investigations Center inspected 2,499 vehicles for tampering with emission control devices. All vehicles inspected were classified into one of four mutually exclusive categories: tampered (at least one control device removed or rendered inoperative), arguably tampered (potential, but not clear-cut tampering, malfunctioning, and OK (all control devices present and apparently operating properly). The results were: tampered-18.0% arguably tampered-46.5%, malfunctioning-2.2%, and OK-33.3%.

• Corporate Authors:

  National Enforcement Investigations Ctr

  Environmental Protection Agency
  Denver, CO  United States 
• Publication Date: 1980-5

Media Info

• Pagination: 102 p.

Subject/Index Terms

• TRT Terms: Air quality management; Automobiles; Control devices; Data collection; Equipment; Exhaust gases; Inspection; Motor vehicles; Surveys; Tampering
• Old TRIS Terms: Air pollution control devices; Exhaust emission control
• Subject Areas: Highways; Vehicles and Equipment;

Filing Info

• Accession Number: 00336712
• Record Type: Publication
• Source Agency: National Technical Information Service
• Report/Paper Numbers: EPA-330/1-80-001
• Files: TRIS
• Created Date: Jun 12 1981 12:00AM