CMB Source Apportionment during REVEAL
Publication: Journal of Environmental Engineering
Volume 123, Issue 1
Abstract
Source contributions to PM2.5 aerosol measured at Chilliwack and Pitt Meadows in the Lower Fraser Valley, B.C., Canada, during the REVEAL study, were estimated using chemical mass balance (CMB) receptor modeling. On average, motor vehicles accounted for 34 and 43% of PM2.5 at Chilliwack and Pitt Meadows, respectively. Secondary sulfate and secondary nitrate were the next most significant PM2.5 components, accounting for 25 and 27%, respectively, at Chilliwack, and 27 and 12%, respectively, at Pitt Meadows. Geological material accounted for 3 and 5% of PM2.5 at Chilliwack and Pitt Meadows, respectively. Marine aerosol accounted for 3 and 5% of PM2.5 at Chilliwack and Pitt Meadows, respectively. A significant contribution of wood smoke was estimated for both sites: 8% at Chilliwack and 9% at Pitt Meadows.
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Information & Authors
Information
Published In
Journal of Environmental Engineering
Volume 123 • Issue 1 • January 1997
Pages: 80 - 87
Copyright
Copyright © 1997 American Society of Civil Engineers.
History
Published online: Jan 1, 1997
Published in print: Jan 1997
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