The California Air Resources Board issued about 100 citations for violations of the Transport Refrigeration Unit Airborne Toxic Control Measure in-use performance standards during the first two weeks of enforcement. 

Inspectors have issued citations carrying penalties up to $1,000 per violation for the new rule, which began Jan. 1. Any truck operating in the state is affected, regardless of where it is based.

CARB inspectors also are continuing to cite owners of California-based TRUs who have failed to register in the board’s Equipment Registration system. Penalties are up to $500 per violation. Registration is required for California-based TRUs, but it is voluntary for TRUs registered in other states but operate in California.

The board said it had received numerous calls mistakenly believing the TRU ATCM is on hold.