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January 24, 2010 | History

Films on impervious urban surfaces: Accumulation properties, contaminant concentrations and partitioning characteristics 1 edition

Films on impervious urban surfaces: Accumulation properties, contamina ...
Rosa Wu

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Films on impervious urban surfaces: Accumulation properties, contaminant concentrations and partitioning characteristics.

Published 2006 .
Written in English.

About the Book

Surface films were collected using 3-mm diameter glass beads as a surrogate urban surface over four separate sampling campaigns. Film accumulation was linear and rates ranged from ∼1.6 nm/day to ∼3.1 nm/day. Surface films respond quickly to precipitation events, where lower film mass was measured immediately following precipitation. Films from the urban sampling site were ∼10-30x greater than from the rural site. PCBs were seen to accumulate linearly in the surface films. PCB mass in the urban films was 3-7x higher than in the rural films. The congener profiles showed a greater proportion of higher molecular weight congeners, with proportions gradually increasing over time. PCBs were washed off of films independent of their water solubility. The partitioning behaviour of PCBs between the film and ambient air (film-air partition coefficient Kfa), is compared to the octanol-air partition coefficient (K oa) to develop empirical relationships for use in modeling urban contaminant fate.

Edition Notes

Source: Masters Abstracts International, Volume: 44-06, page: 2749.

Thesis (M.Sc.)--University of Toronto, 2006.

Electronic version licensed for access by U. of T. users.

ROBARTS MICROTEXT copy on microfiche.

The Physical Object

Pagination
112 leaves.
Number of pages
112

ID Numbers

Open Library
OL19215012M
ISBN 13
9780494161401

History Created December 11, 2009 · 2 revisions Download catalog record: RDF / JSON

January 24, 2010 Edited by WorkBot add more information to works
December 11, 2009 Created by WorkBot add works page