Clean Truck Check - Credentialed Testers & Testing Devices

How to become a Clean Truck Check Credentialed Tester

Becoming a Tester & Creating a CTC-VIS Account	Fact Sheet, Videos, & FAQs	Testing Resources/Field Issues
How to become a Clean Truck Check Credentialed Tester	Clean Truck Check - Credentialed Tester Overview	Test Results FAQ
Tester Training Course, Exam, and Certification	Credentialed Tester Account User Guide	Vehicles of Interest (Field Issues)
Testers Marketing Materials	Tester Training and Examination FAQ

Clean Truck Check Credentialed Tester List
Credentialed Testers List

OBD Resources	Non-OBD Test Resources
OBD Test Devices	SAE J1667-Smoke Meter Information
OBD Background Information	Submitting a NON-OBD Test
OBD Recommended Practices	Vehicle Emissions Control Equipment Inspection Worksheet
OBD Readiness Criteria	What to do when an ECL is Missing/Illegible
Vendor Device Certification	–