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Interpretation of roadside PM10 monitoring data from Sunderland,United Kingdom
Authors:Price Monica  O'Dowd Colin  Dixon Marion
Affiliation:(1) CMAS Centre for Marine and Atmospheric Studies, School of Sciences, University of Sunderland, Benedict Building, St. Georges Way, Sunderland, U.K.;(2) City Health and Housing, Sunderland City Council, Civic Centre, Sunderland, U.K
Abstract:Roadside PM10 has been monitored by Partisol® at three sitesin Sunderland between August 1997 and February 1998. The sites chosen were an inner city kerbside site; a roadside site adjacentto a dual carriageway on the outskirts of Sunderland with an openaspect; and a rural site.The results indicate that there is a seasonal variation in the relationship between the sites in terms of monitored PM10.In the winter there is a poor correlation between the sites whereas in the summer significant correlations are obtained. Of the sites monitored PM10 is consistently highest at the inner city roadside site. During the summer, exceedances of theU.K. 50 mgrg m-3 standard (DETR, 2000) are associated with conditions suitable for the build-up of photochemical pollutionhowever during the winter period exceedances are recorded duringa variety of weather conditions.At the dual carriageway site PM2.5 has also been recorded and contributions to measured PM10 are 77% in summer and68% in winter. The results illustrate a number of inconsistencies between this study utilising the Partisol® andothers reporting results where PM10 has been monitored by TEOM®.
Keywords:particulate matter  PM10  PM2.5  gravimetric monitoring
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