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Air Quality Fact

In the Bay Area, as in the entire state of California, a certain amount of air pollution comes from stationary industrial sources, such as refineries and power plants. However, a greater percentage of harmful air emissions come from cars and trucks, construction equipment, and other mobile sources.

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Wednesday, 2/8
No Spare the Air Alert in Effect
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Air Quality Widgets | BAAQMD

BAAQMD Webcasts

Upcoming Webcasts

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

Recent Webcasts

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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Emissions and Volume Trends

Flare Emissions and Flaring Frequency and Magnitude Trends at Bay Area Refineries

Below are graphs illustrating the total monitored Methane (CH4), Non-Methane Hydrocarbon (NMHC), and Sulfur Dioxide (SO2) flaring emissions and Vent Gas Flow from the 5 Bay Area refineries from 2004 through 2009 as required by the District's Flare Monitoring Regulation 12, Rule 11.  Also presented is the number of flaring events reported as required by Regulation 12, Rule 12.

Frequency of Flaring Events (79 k PDF, 1 pg)

Frequency of Flaring Events

Refinery Annual Vent Gas Volume Flared (56 k PDF, 1 pg) 

Refinery Annual Vent Gas Volume Flared

Magnitude of Flaring (79 k PDF, 1 pg) 

Magnitude of Flaring

Refinery Flaring CH4 Emissions (79 k PDF, 1 pg) 

Refinery Flaring CH4 Emissions

Refinery Flaring NMHC Emissions (81 k PDF, 1 pg) 

Refinery Flaring NMHC Emissions

Refinery Flaring SO2 Emissions (94 k PDF, 1 pg) 

Refinery Flaring S02 Emissions

Individual Refinery Flaring Trends

Additional graphs illustrating trends for Methane (CH4), Non-Methane Hydrocarbon (NMHC) and Sulfur Dioxide (SO2) emissions and Vent Gas Volumes from 2001 through 2009 are presented individually for each refinery.

 

Last Updated: 10/4/2010