Approval Details

Valid E.O.


This Executive Order approved the specified parts on on July 5, 1995.
As of Wednesday, November 29th, 2023 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsModification
Model #s RC-80-E, RC-400-E, RC-1995 and older model year on-road diesel vehiclesThe RCI Purifier is intended for use with a required pollution control system

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-328-3
  • Executive Order 328-3 / D328-3
  • ARB # D-328-3
  • Executive Order No: D-328-3
  • C.A.R.B. No. D-328-3
  • Resolution D-328-3
For Free CARB Executive Order Status verification, email an image of the device Executive Order label as well as the Year/Make/Model and Test Group # of the vehicle to [email protected]

Download: Executive Order D-328-3 PDF

D-328-3 Document:

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