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Under contract to the Air Resources Board, the Bourns College of
Engineering Center for Environmental Research and Testing, and
the University of California, Riverside (CE-CERT) conducted
emissions testing on a harbor craft to evaluate the effects of
two retrofit emission control technologies. The Air Resources
Board (ARB) has posted on the harbor craft website the emissions
report titled “Emissions from a Harbor Craft Vessel Using
Retrofit Emission Control Technologies“.    

The report is available here:
http://www.arb.ca.gov/ports/marinevess/harborcraft/hcdocuments.htm


If you have questions regarding this report, please contact 
John Lee at (916) 327-5975, or john.lee@arb.ca.gov.

Background:  The CHC regulation was adopted in November 2007 and

became effective in January 2009.  Commercial harbor craft
includes crew and supply vessels, commercial fishing vessels,
ferries, excursion vessels, pilot boats, tugboats, towboats,
barges, dredges, and workboats.  The CHC regulation has
reporting, recordkeeping, and monitoring requirements.  In
addition, CHC regulation requires existing Tier 1 and earlier
auxiliary and propulsion engines on in-use ferries, excursion
vessels, tugboats, towboats, crew and supply, barges, and dredges
to meet U.S. EPA Tier 2 or Tier 3 marine engine standards in
effect at the time compliance is required.  This regulation is
part of ARB’s ongoing effort to reduce diesel particulate matter
in communities located near ports.  Additional information on the
regulation is available at the following link: 

http://www.arb.ca.gov/ports/marinevess/harborcraft.htm 



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