| Автор | Bradley, L. J. N. |
| Автор | Magee, B. H. |
| Автор | Allen, S. L |
| Дата выпуска | 1994 |
| dc.description | AbstractPolycyclic aromatic hydrocarbons (PAH) are byproducts of combustion and are ubiquitous in the urban environment They are also present in industrial chemical wastes, such as coal tar, petroleum refinery sludges, waste oils and fuels, and wood‐treating residues. Thus, PAHs are chemicals of concern at many waste sites. Risk assessment methods will yield risk‐based cleanup levels for PAHs that range from 0.1 to 0.7 mg/kg. Given their universal presence in the urban environment, it is important to compare risk‐based cleanup levels with typical urban background levels before utilizing unrealistically low cleanup targets. However, little data exist on PAH levels in urban, nonindustrial soils. In this study, 60 samples of surficial soils from urban locations in three New England cities were analyzed for PAH compounds. In addition, all samples were analyzed for total petroleum hydrocarbons (TPH) and seven metals. The upper 95% confidence interval on the mean was 3 mg/kg for benzo(a)pyrene toxic equivalents, 12 mg/kg for total potentially carcinogenic PAH, and 25 mg/kg for total PAH. The upper 95% confidence interval was 373 mg/kg for TPH, which exceeds the target level of 100 mg/kg used by many state regulatory agencies. Metal concentrations were similar to published background levels for all metals except lead. The upper 95% confidence interval for lead was 737 mg/kg in Boston, 463 mg/kg in Providence, and 378 mg/kg in Springfield. |
| Формат | application.pdf |
| Издатель | Taylor & Francis Group |
| Копирайт | Copyright Taylor and Francis Group, LLC |
| Тема | background |
| Тема | PAH |
| Тема | metals |
| Тема | urban |
| Тема | anthropogenic |
| Тема | soil. |
| Название | Background levels of polycyclic aromatic hydrocarbons (PAH) and selected metals in new England urban soils |
| Тип | research-article |
| DOI | 10.1080/15320389409383475 |
| Print ISSN | 1058-8337 |
| Журнал | Journal of Soil Contamination |
| Том | 3 |
| Первая страница | 349 |
| Последняя страница | 361 |
| Аффилиация | Bradley, L. J. N.; ENSR Consulting and Engineering |
| Аффилиация | Magee, B. H.; Ogden Environmental and Energy Services |
| Аффилиация | Allen, S. L; ENSR Consulting and Engineering |
| Выпуск | 4 |
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