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https://open.uns.ac.rs/handle/123456789/358
Назив: | Occurrence, seasonal variety of organochlorine compounds in street dust of Novi Sad, Serbia, and its implication for risk assessment | Аутори: | Škrbić, Biljana Marinković, Vesna |
Датум издавања: | 20-апр-2019 | Издавач: | Elsevier | Часопис: | Science of the Total Environment | Сажетак: | © 2019 Elsevier B.V. The paper presents a study of organochlorine compounds in street dust, an often forgotten aspect of urban environmental pollution. Six different polychlorinated biphenyls (PCBs) and eighteen organochlorine pesticides (OCPs) were monitored in terms of levels, distribution, seasonal variation and health risks. Street dust samples were collected from fifteen urban locations in Novi Sad including schools, recreational areas, residential and industrial zones. Street dust concentration of PCBs ranged from less than the limit of detection (<LOD) to 12.1 ng g −1 (mean = 0.58 ng g −1 ) in summer and from <LOD to 3.82 ng g −1 (mean = 0.45 ng g −1 ) in winter. Among the investigated OCPs, only dichlorodiphenyltrichloroethanes (DDTs) were detected - their concentration varied from <LOD to 34.7 ng g −1 (mean = 6.2 ng g −1 and median = 1.4 ng g −1 ) in summer to <LOD to 50.5 ng g −1 (mean = 7.1 ng g −1 and median = 2.0 ng g −1 ) in winter. Principal component analysis indicated a positive correlation among PCB 101, PCB 153 and pH as well as between PCB 138 and organic matter. Regression analysis revealed that distribution trends of DDTs between the soil and street dust samples are significantly correlated in the recreational areas. The average level of total lifetime carcinogenic risk (TLCR) for PCBs (3.7 × 10 −9 ) and DDTs (3.6 × 10 −9 ) found in Novi Sad street dust samples were well below the unacceptable level of 10 −6 , indicating that the lifetime cancer risk was acceptable. It was also found that the seasonal variations were not significant. | URI: | https://open.uns.ac.rs/handle/123456789/358 | ISSN: | 00489697 | DOI: | 10.1016/j.scitotenv.2019.01.133 |
Налази се у колекцијама: | TF Publikacije/Publications |
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