Preliminary Analysis of p 5 Speciation Data in Puget Sound Clean Air Agency


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Preliminary Analysis of PM2.5 Speciation Data in Puget Sound

  • Puget Sound Clean Air Agency

  • Mike Gilroy, Erik Saganic


Overview



Network “Big Picture”









Olive Street, Seattle – Mobile Source Site



Duwamish, Seattle – Industrial Site



South Tacoma Site – Wood Smoke/Residential Site





Analytes by Site – 2006















V vs. Ni Correlations





EC/OC Ratio vs. PM2.5



Aethalometer Measurement

  • Magee Scientific

  • BC Channel 880 nm

  • UV Channel 370 nm











(UV – BC) vs. OC



(UV – BC) vs. OC



(UV – BC) Over Time



(UV – BC) Over Time



Wind Roses – UV Channel



Conclusions

  • We can use this data to better understand our emission sources

  • Using a suite of continuous monitors (FDMS, nephelometer, aethalometer, etc) is essential to enriching the understanding of the data

  • Rich data sets currently available

  • Continuous monitors like the Aethalometer can provide:



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