Opacity Testing

  • Opacity testing is mandated by C.A.R.B. (CA Air Resource Board).
  • Opacity meters test the particulates and smoke exiting from Diesel trucks.
  • This test is to be performed every year within any 12 month period of the year.
  • JTD is a mobile service which comes out to your location, performs 3 tests per unit.
  • We then provide a 3 page printout to be kept on file for at least 2 years.
  • If any unit fails the Opacity test, JTD also provides free retesting upon repair.
  • We are priced very competitively and give fleet discounts.
  • The Company, JTD Under Pressure, are not mechanics nor do we work for the State.

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