Santa Rosa Diesel Smoke Opacity Testing

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Diesel Smoke Opacity Testing in Santa Rosa, California

All heavy-duty diesel-powered vehicles that are 14,000 lbs. gross vehicle weight rating (GVWR) or greater in fleets of two or more (except those equipped with engines that are four years old or less and those vehicles used exclusively for personal use, such as motor homes), must be tested annually (on or before December 31 of each year) with a smoke opacity meter according to the SAE J1667 specifications and test procedures. All heavy-duty diesel-powered vehicles must meet the applicable opacity standards of 55% for pre-1991 engines and 40% for 1991 and newer engines. All heavy-duty diesel-powered vehicles determined to be in non-compliance must be promptly repaired and brought into compliance.

 

If you’ve got any questions about our diesel smoke opacity testing in Santa Rosa or anything else that concerns you, we are happy to answer them. Call us at 707-586-6691!

CCDET Certified

We are CCDET certified and offer on-site as well as in-house testing services. We offer competitive pricing and flexible scheduling including after-hours and weekends. We provide all of the required documentation for your records and inspections. We use the latest technology to conduct our opacity testing – the same machinery used by CHP.

Get Your Truck Back On
The Road ASAP!

For each vehicle, records of the initial opacity test, repair information, post-repair opacity results, and meter calibration must be maintained for at least two years (specifically, the two most recent consecutive years).