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Massachusetts Vehicle Check
Terms and Acronyms
Terms and Acronyms
Appendix E
Massachusetts Vehicle Check
Terms and Acronyms
Source:
Amendment to request for responses- Enhanced Emissions & Safety Test Program
EQE- 900-007
7D Vehicle means a vehicle registered with the Registry as a school pupil transport
vehicle pursuant to M.G.L. Chapter 90 Section 7D. These are usually passenger-type
light duty vehicles used to transport school pupils.
7D Inspection means a separate, distinct safety inspection for 7D vehicles as described
under CMR 21.00
ALARS means the Massachusetts Registry of Motor Vehicles’ Automated Licensing and
Registration System.
ASE means the National Institute for automotive Service excellence.
Bar Code means a series of specially coded bars from which vehicle or inspection
identification information can be read electronically.
Challenge Inspection means a process available to motorists to challenge the validity of
the results of their vehicle’s inspection.
Commercial Motor Vehicle Inspection means an inspection of a commercial motor
vehicle as defined in 540CMR 4.00, et seq.
Covert Vehicle Audit means a performance audit of a Station or inspector performed by
submitting for inspection a vehicle set to fail the emissions test.
Cutpoint means the maximum allowable opacity level for a diesel vehicle’s exhaust that
passes the emissions inspection. Levels above the cutpoint constitute failure of the
emissions inspection, and levels at or below the cutpoint mean the vehicle passes the
emissions inspection.
DLC means the Data Link Connector which is the standardized electrical connector
required for OBD equipped vehicles to provide access to the vehicle’s OBD system.
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