Organic Functional Group Composition and Sources of Ambient Aerosol during CalNex 2010 Amanda Frossard, Lynn Russell, Scripps Institution of Oceanography, UC San Diego Timothy Bates, and Patricia Quinn Pacific Marine Environmental Laboratory, NOAA Photo Credit: P.M. Shaw
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Organic Functional Group Composition and Sources of Ambient Aerosol during CalNex 2010 Amanda Frossard, Lynn Russell, Scripps Institution of Oceanography,
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Organic Functional Group Composition and Sources of
Ambient Aerosol during CalNex 2010
Amanda Frossard, Lynn Russell,Scripps Institution of Oceanography, UC San Diego
Timothy Bates, and Patricia QuinnPacific Marine Environmental Laboratory, NOAA
Photo Credit: P.M. Shaw
Overview
• Organic Aerosol Collection and Quantification
• Organic Mass Composition• Technique Comparison• PMF Source Contributions• Single Particle Composition • Potential Source Locations
Photo Credit: P.M. Shaw
Organic Aerosol Sampling
Mass Flow Meter and ControllerTotal: 16.8 lpm
Vacuum Pump
PM1 Cyclone
2 pairs of Teflon filters
Dried to 55% RH
Organic Aerosol Sampling
Four Sampling Regions:
Southern California
Coastal Transit
San Francisco
Sacramento
Organic Mass CompositionSouthern California Coastal Transit San Francisco Sacramento