NDLI: Characterization and Risk Assessment of Polychlorinated Biphenyls in City Park Soils of Xi’An, China

Content Provider	Springer Nature Link
Author	Lu, Hongxuan Liu, Weiguo
Copyright Year	2015
Abstract	Polychlorinated biphenyl (PCB) concentrations in surface soil samples (0–10 cm) from 23 city parks (8 urban and 15 suburban) from Xi’An, China were presented. The average concentration of Σ7 PCBs among all the sites was 1.68 ng g−1 dry weight. High detection frequency (100 %) of PCB 28 and PCB 52 suggested wide occurrence of PCB contaminations in Xi’An. Among these PCBs, PCB 28, 52 and 153 were the most dominant compounds (14.9 %, 39.3 % and 9.5 % of the Σ7 PCBs on average, respectively). “Urban fractionation effect” was found in Xi’An. In other words, PCB concentrations were higher in the urban city park soils than those in suburban park soils. The PCB contamination in Xi’An city park soils were at a low level based on the Dutch guideline. However, dioxin-like PCB congeners were detected from 12 parks, which indicated further investigation was urgently required in future. Furthermore, total PCB concentrations were used to evaluate the cancer risk via ingestion, dermal and inhalation and the results showed that the total cancer risk was at the very low level in this area.
Starting Page	393
Ending Page	398
Page Count	6
File Format	PDF
ISSN	00074861
Journal	Bulletin of Environmental Contamination and Toxicology
Volume Number	94
Issue Number	3
e-ISSN	14320800
Language	English
Publisher	Springer US
Publisher Date	2015-01-21
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	PCBs Residue Source Ecological risk assessment Pollution Environmental Health Ecotoxicology Soil Science & Conservation Environmental Chemistry Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution
Content Type	Text
Resource Type	Article
Subject	Health, Toxicology and Mutagenesis Pollution Medicine Toxicology

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