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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Witter, Amy E. Nguyen, Minh H. Baidar, Sunil Sak, Peter B. |
| Spatial Coverage | Pennsylvania |
| Description | Author Affiliation: Witter AE ( Department of Chemistry, Dickinson College, PO Box 1773, Carlisle, PA 17013, USA. Electronic address: witter@dickinson.edu.); Nguyen MH ( Department of Chemistry, Dickinson College, PO Box 1773, Carlisle, PA 17013, USA.); Baidar S ( Department of Chemistry, Dickinson College, PO Box 1773, Carlisle, PA 17013, USA.); Sak PB ( Department of Earth Sciences, Dickinson College, PO Box 1773, Carlisle, PA 17013, USA. Electronic address: sakp@dickinson.edu.) |
| Abstract | We used land-use analysis, PAH concentrations and assemblages, and multivariate statistics to identify sediment PAH sources in a small (~1303 km(2)) urbanizing watershed located in South-Central, Pennsylvania, USA. A geographic information system (GIS) was employed to quantify land-use features that may serve as PAH sources. Urban PAH concentrations were three times higher than rural levels, and were significantly and highly correlated with combined residential/commercial/industrial land use. Principal components analysis (PCA) was used to group sediments with similar PAH assemblages, and correlation analysis compared PAH sediment assemblages to common PAH sources. The strongest correlations were observed between rural sediments (n = 7) and coke-oven emissions sources (r = 0.69-0.78, n = 5), and between urban sediments (n = 22) and coal-tar-based sealcoat dust (r = 0.94, n = 47) suggesting that coal-tar-based sealcoat is an important urban PAH source in this watershed linked to residential and commercial/industrial land use. |
| File Format | HTM / HTML |
| ISSN | 02697491 |
| Volume Number | 185 |
| e-ISSN | 18736424 |
| Journal | Environmental Pollution |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2014-02-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Environmental Discipline Science Coal Tar Analysis Environmental Monitoring Polycyclic Hydrocarbons, Aromatic Rivers Chemistry Water Pollutants, Chemical Cities Pennsylvania Urbanization Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Health, Toxicology and Mutagenesis Pollution Medicine Toxicology |
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