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Posted: 24 Sep 2013 11:21:59
The California Air Resources Board (ARB) invites you to
participate in a workshop on Tuesday, October 8, 2013 to discuss
the development of updates to mobile source emissions inventory
tools for air quality assessment at ARB.   At the workshop staff
will first present updates to Ocean-Going Vessel forecasted
emissions.  When that is completed, staff will provide a detailed
description of methods and preliminary draft default model
results from EMFAC2013.  

The public workshop will be held at the following location:

Sacramento: (will also be webcast)

Date:		Tuesday, October 8, 2013
Time:		10:a.m. – 4:00 p.m.
Location:	Cal/EPA Headquarter Building
		Byron Sher Auditorium
		1001 I Street
		Sacramento, CA 95814

Webcast and Workshop Materials

A live video/audio webcast will be available for those unable to
attend in person. The webcast can be accessed at:
http://www.calepa.ca.gov/broadcast/. Information on submitting
questions or comments will be provided during the webcast for
remote participants. The workshop materials will be posted in
advance of the workshop at http://www.arb.ca.gov/msei/msei.htm.

Workshop Information and Background

The past several decades have seen dramatic improvements in air
quality as a result of regulations that reduced emissions from
stationary and mobile sources.  However, substantial additional
emissions reductions will be necessary to meet more stringent
ozone air quality standards and California’s long-term greenhouse
gas emissions reduction goals.  ARB is expanding mobile source
analysis tools to support air quality planning focused on
achieving this transition.  

The EMFAC model is the primary tool that the California Air
Resources Board uses to assess emissions from on-road vehicles
including cars, trucks, and buses.  Originally developed to
support low emission vehicle regulations, EMFAC has been enhanced
since first developed to now support climate change and regional
scale air quality planning, development of ARB regulations
focused on in-use vehicles as well as new emissions standards,
and assessment of project level emissions impacts for
transportation planning.  In this workshop updates to the EMFAC
model focused on providing improved functionalities in these
areas will be discussed.  

Special Accommodations or Language Assistance

If you require special accommodations or need this document in an
alternative format (i.e., Braille, large print) or another
language, please contact Dr. Kathy Jaw at (916) 322-1720, or
sjaw@arb.ca.gov as soon as possible, but no later than 10
business days before the scheduled workshop.  TTY/TDD/Speech to
Speech users may dial 711 for the California Relay Service.

If you did not receive this notice directly and would like to
receive notices to stay informed of future updates to mobile
source emissions inventory tools, please sign up for the “MSEI”
listserve at: 

If you have any questions, please contact Dr. Kathy Jaw at (916)
322-1720, or sjaw@arb.ca.gov.

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