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Air Quality »
Motor Vehicles and Air Quality »
Inspection / Maintenance (I/M) Program »
Analyzer Vendor Information

Analyzer Vendor Information

 
NCAS Specification

North Carolina Analyzer Certification Status 

North Carolina's Approved Analyzer Software Versions 

 Test Scripts for OBD Analyzer Software

  • Master 2002 OBD Script - May 2002 (.zip)
  • Master 2008 OBD Script, V1.01 (.zip)
  • Master 2008 OBD Script, V1.02 (.zip)
  • Master 2008 OBD Script, V1.03 (.zip)
  • Master 2008 OBD Script, V1.04 (.zip)

Additional Links
    National OBD Clearinghouse
    EPA

 
Vehicle Inspection and Maintenance (I/M) County Map
(12/2018)

 

Inspection / Maintenance (I/M) Program

  • Station Owner/Inspector Information
  • Analyzer Vendor Information
  • 3 Year and 70,000 Miles Exemption Calculator
  • 3-Year and 70,000 Miles Exemption Information
  • General Information
  • Emissions Inspection Results Information

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North Carolina Department of Environmental Quality
217 West Jones Street
Raleigh, NC 27603 Map It
877-623-6748

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