Referee Program
Contact
The mission of the Clean Truck Check Referee program, operated by CARBTest.org (also referred to as CARBTest Referee), is to provide independent evaluations of non-gasoline, heavy-duty vehicles with a gross vehicle weight rating (GVWR) over 14,000 lbs.
Clean Truck Check Referee offers services for heavy-duty vehicles. Services include everything under section 2196.7 of the Heavy-Duty Vehicle Inspection and Maintenance Program Regulation. Examples include, but are not limited to, vehicles with an inspection incompatibility, law enforcement agency request, CARB directed vehicle testing, open CARB enforcement action, unresolved citations, audit purposes, and compliance issues. For questions regarding Clean Truck Check, please email hdim@arb.ca.gov or visit https://ww2.arb.ca.gov/our-work/programs/CTC.
Referee Fact Sheet
Referee FAQ's
Referee Job Advertisement
CARB has contracted with the University of California, Riverside (UCR) and the California State University, Fresno (CSU-Fresno) to provide Referee services for California’s Clean Truck Check. The Referee testing (CARBTest) network will provide testing services for vehicles dealing with unique and uncommon programmatic situations such as vehicles that undergo engine changes, have issues with completing the standard compliance testing, and/or may have been found to have tampered emissions control systems.
CARBTest is currently hiring Clean Truck Check Referee Tester positions to support their Referee network operation. Under general supervision, the Referee Tester will perform inspections of vehicles, document test results, and provide information to vehicle owners and program management. The Referee Tester is required to have experience in the automotive inspection, diagnosis, and repair industry, and will have to maintain practical knowledge of Clean Truck Check requirements and procedures. If you are interested in becoming a referee tester, more information on the positions and application process are below. Referee Tester (CARBTest)