141 Helman Lane Unit B Cotati, CA 94931 • Monday - Saturday, 8am-5pm
Call to book an appointment!
707-992-0879
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Opacity Testing

Diesel Smoke Opacity Testing

in Cotati, California

Call to book an Appointment or to get a FREE quote at 707-992-0879

We are CCDET Certified

We are one of the few CCDET certified stations in Sonoma County and Surrounding Cities in the Bay Area that offer on-site as well as in-house testing services. We offer competitive pricing and flexible scheduling to cater to any issue you may be experiencing. 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, so you know you’re in good hands!!
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Important Information

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). We can do the test for you in a timely manner. Make sure you stay in compliance! Book your service with us and get your paperwork in order.

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We get trucks and perform diesel smoke opacity testing that come to our CCDET certified stations from the Bay Area including Oakland, Rohnert Park, Santa Rosa and Vacaville.

Reminder: As of July 1st, 2019, there has been major changes to the CCDET.
Make sure you're Compliant!

Already certified for this year? Get ahead of the busy season!!

We are a CCDET Certified Station! Get ahead of the curve and schedule your 2020's annual opacity test today and receive 10% OFF!

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Next Steps

Call 707-992-0879 to talk to one of our team members

We'll tell you a quote on the spot

You book an appointment with us.

We get your truck(s) back on the road asap!