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A study of the spatial distribution of PCBs in the UK atmosphere using pine needles.

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A study of the spatial distribution of PCBs in the UK atmosphere using pine needles. / Tremolada, P.; Burnett, V.; Calamari, D. et al.
In: Chemosphere, Vol. 32, No. 11, 06.1996, p. 2189-2203.

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Tremolada P, Burnett V, Calamari D, Jones KC. A study of the spatial distribution of PCBs in the UK atmosphere using pine needles. Chemosphere. 1996 Jun;32(11):2189-2203. doi: 10.1016/0045-6535(96)00127-0

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Tremolada, P. ; Burnett, V. ; Calamari, D. et al. / A study of the spatial distribution of PCBs in the UK atmosphere using pine needles. In: Chemosphere. 1996 ; Vol. 32, No. 11. pp. 2189-2203.

Bibtex

@article{98e89b3fdc9945699f107f76006a2db1,
title = "A study of the spatial distribution of PCBs in the UK atmosphere using pine needles.",
abstract = "Past and current polychlorinated biphenyl (PCB) inputs to the environment, mainly in industrialized countries, continue to determine a global re-distribution of these contaminants. In order to better understand PCB transport and distribution phenomena, a number of large-scale distribution studies have been recently published in the literature. In this paper a nationwide survey of 28 pine needle samples taken across the UK is presented. Mean PCB concentrations of a number of latitudinal bands (transects) revealed the presence of a decreasing concentration gradient from southern England to northern Scotland of a factor of 7. The pine needle data also provide evidence to suggest: 1) that there has been a decrease in the PCB concentration of the atmosphere in the southern UK; and 2) there is a relationship between regional mean needle PCB concentrations and population densities. Calculated air concentrations from the pine needle results were compared with measured literature data of a similar area to test the possibility of using bioconcentration factors (BCF) based on n-octanol: air partition coefficients (Koa) to predict air-leaf equilibrium of semivolatile organic compounds. A more detailed analysis, in accordance with some literature data, has revealed that uncertainties arise when leaf-air uptake of molecules with high Koa values (Log Koa > 8–9) is modelled.",
author = "P. Tremolada and V. Burnett and D. Calamari and Jones, {K. C.}",
year = "1996",
month = jun,
doi = "10.1016/0045-6535(96)00127-0",
language = "English",
volume = "32",
pages = "2189--2203",
journal = "Chemosphere",
publisher = "NLM (Medline)",
number = "11",

}

RIS

TY - JOUR

T1 - A study of the spatial distribution of PCBs in the UK atmosphere using pine needles.

AU - Tremolada, P.

AU - Burnett, V.

AU - Calamari, D.

AU - Jones, K. C.

PY - 1996/6

Y1 - 1996/6

N2 - Past and current polychlorinated biphenyl (PCB) inputs to the environment, mainly in industrialized countries, continue to determine a global re-distribution of these contaminants. In order to better understand PCB transport and distribution phenomena, a number of large-scale distribution studies have been recently published in the literature. In this paper a nationwide survey of 28 pine needle samples taken across the UK is presented. Mean PCB concentrations of a number of latitudinal bands (transects) revealed the presence of a decreasing concentration gradient from southern England to northern Scotland of a factor of 7. The pine needle data also provide evidence to suggest: 1) that there has been a decrease in the PCB concentration of the atmosphere in the southern UK; and 2) there is a relationship between regional mean needle PCB concentrations and population densities. Calculated air concentrations from the pine needle results were compared with measured literature data of a similar area to test the possibility of using bioconcentration factors (BCF) based on n-octanol: air partition coefficients (Koa) to predict air-leaf equilibrium of semivolatile organic compounds. A more detailed analysis, in accordance with some literature data, has revealed that uncertainties arise when leaf-air uptake of molecules with high Koa values (Log Koa > 8–9) is modelled.

AB - Past and current polychlorinated biphenyl (PCB) inputs to the environment, mainly in industrialized countries, continue to determine a global re-distribution of these contaminants. In order to better understand PCB transport and distribution phenomena, a number of large-scale distribution studies have been recently published in the literature. In this paper a nationwide survey of 28 pine needle samples taken across the UK is presented. Mean PCB concentrations of a number of latitudinal bands (transects) revealed the presence of a decreasing concentration gradient from southern England to northern Scotland of a factor of 7. The pine needle data also provide evidence to suggest: 1) that there has been a decrease in the PCB concentration of the atmosphere in the southern UK; and 2) there is a relationship between regional mean needle PCB concentrations and population densities. Calculated air concentrations from the pine needle results were compared with measured literature data of a similar area to test the possibility of using bioconcentration factors (BCF) based on n-octanol: air partition coefficients (Koa) to predict air-leaf equilibrium of semivolatile organic compounds. A more detailed analysis, in accordance with some literature data, has revealed that uncertainties arise when leaf-air uptake of molecules with high Koa values (Log Koa > 8–9) is modelled.

U2 - 10.1016/0045-6535(96)00127-0

DO - 10.1016/0045-6535(96)00127-0

M3 - Journal article

VL - 32

SP - 2189

EP - 2203

JO - Chemosphere

JF - Chemosphere

IS - 11

ER -