Today, the Bay Area’s largest source of smog forming emissions – over 60% – comes from mobile sources like cars, trucks, buses and construction equipment. The number of mobile sources will rise considerably along with expected population growth.
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Workshop on Proposed Amendments to Regulation 2: Permits to be Webcast live from 10:00am to 12:00pm on 2/22/2012. More Information: Workshop Notice (521 k PDF, 5 pgs) Rule Workshops
The Particulate Matter Workshop is available as a Webcast archive. Meeting Presentation: Reducing Particulate Matter in the SF Bay Area (4 MB PDF, 49 pgs) More Information: Particulate Matter Planning 12/14/2011 Board of Directors Special Meeting More Information: 12/14/2011 Agenda (545 k PDF, 23 pgs) Board Archives: Agendas, Minutes and Media
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Assessing the Contribution of Residential Wood Burning to PM
In winter months, PM2.5 concentrations in the Bay Area occasionally exceed the national 24-hour PM2.5 standard (35 µg/m3). Staff conducted analyses of chemical measurements of particles and found that emissions from wood burning can significantly contribute to the Bay Area’s PM2.5 levels. In order to better assess the contribution of wood burning, staff analyzed wood burning surveys and Census data to refine PM emissions estimates from wood burning and provided technical information to the District’s wood burning rule development effort. Additional study is underway to compare the contribution of wood burning emissions to Bay Area PM2.5 levels against other major PM2.5 sources, such as on-road and off-road vehicles.