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arbcombo -- Modification to the Johnson Matthey CRT+ Stationary Verification

Posted: 08 Sep 2011 14:10:51
The Air Resources Board (ARB) has approved updates to the engine
family list to include newer engines and modified language
describing filter cleaning rates for the Johnson Matthey CRT+
stationary verification.  

Updated Executive Order and Engine Family List for the Johnson
Matthey CRT+ is available on our website below:


The Regulation for the Verification Procedure for In-Use
Strategies to Control Emissions from Diesel Engines was created
and adopted by our Board on May 16, 2002. The goal of the
Verification Procedure is to ensure that verified systems produce
emissions reductions consistent with the verification level and
that they are durable and compatible with various engines and
applications.  Additional information on the regulation is
available at the following link:


If you have any questions regarding this verification, please
contact John Lee at 916.327.5975 or via e-mail at

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