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Published March 2005 | Supplemental Material
Journal Article Open

A quantitative method for clustering size distributions of elements


A quantitative method was developed to group similarly shaped size distributions of particle-phase elements in order to ascertain sources of the elements. This method was developed and applied using data from two sites in Houston, TX; one site surrounded by refineries, chemical plants and vehicular and commercial shipping traffic, and the other site, 25 miles inland surrounded by residences, light industrial facilities and vehicular traffic. Twenty-four hour size-segregated (0.056

Additional Information

© 2004 Elsevier Ltd. Received 14 July 2004; received in revised form 18 November 2004; accepted 24 November 2004. Available online 29 January 2005. Although the research described in this article has been funded in part by the United States Environmental Protection Agency through cooperative agreement R827354, it has not been subjected to the Agency's required peer and policy review and therefore does not necessarily reflect the views of the agency and no official endorsement should be inferred. Thanks to Lynn Salmon for inorganic ion and elemental and organic carbon analysis and Dr. Martin Shafer and Dr. Michael Arndt for the analysis of the metals by ICPMS.

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