| 1 | Initial results for urban metal distributions in house dusts of Syracuse, New York, USA显示文摘A program of house dust sample collection and analysis has begun in Syracuse,New York, USA, in order to determine the feasibility of a geography-based exposure assessment for urban metals. The sampling program, and the protocols it employs, is described for two different types of wipe media, Ghost Wipes and Whatman Filters. Preliminary results show that strong spatial patterns of floor dust loading (mg dust per square foot) can be observed for data aggregated at a spatial scale of about 1600 m (~2.5 kin2). Floor dust metal concentrations were similar to those found in other urban environments, with some regional variation. The median floor dust Pb concentration was ~108 mg· kg-1 for this initial data set of ~264 sampled residential locations, and varied from 50 to 1100 mg Pb · kg-1. | D. L. Johnson J. Hager A. Hunt D. A. Griffith S. Blount S. Ellsworth J. Hintz R. Lucci A. Mittiga D. Prokhorova L. Tidd M. M. Millones M. Vincent | 2005 | Science China(Life Sciences)2005，48，z1： | 0 |
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