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@article{1228715,
author = {Amdany, Robert Kipruto and Chimuka, Luke and Cukrowska, Ewa and Kukučka, Petr and Kohoutek, Jiří and Vrana, Branislav},
article_location = {PRETORIA},
article_number = {3},
doi = {http://dx.doi.org/10.4314/wsa.v40i3.5},
keywords = {Hartbeespoort dam; persistent organic pollutants; semipermeable membrane devices; water-dissolved concentrations; temporal trends},
language = {eng},
issn = {0378-4738},
journal = {WATER SA},
title = {Investigating the temporal trends in PAH, PCB and OCP concentrations in Hartbeespoort Dam, South Africa, using semipermeable membrane devices (SPMDs)},
url = {http://www.ajol.info/index.php/wsa/article/view/104219/94311},
volume = {40},
year = {2014}
}
TY - JOUR
ID - 1228715
AU - Amdany, Robert Kipruto - Chimuka, Luke - Cukrowska, Ewa - Kukučka, Petr - Kohoutek, Jiří - Vrana, Branislav
PY - 2014
TI - Investigating the temporal trends in PAH, PCB and OCP concentrations in Hartbeespoort Dam, South Africa, using semipermeable membrane devices (SPMDs)
JF - WATER SA
VL - 40
IS - 3
SP - 425-436
EP - 425-436
PB - WATER RESEARCH COMMISSION
SN - 03784738
KW - Hartbeespoort dam
KW - persistent organic pollutants
KW - semipermeable membrane devices
KW - water-dissolved concentrations
KW - temporal trends
UR - http://www.ajol.info/index.php/wsa/article/view/104219/94311
L2 - http://www.ajol.info/index.php/wsa/article/view/104219/94311
N2 - The seasonal variability of persistent organic pollutants in Hartbeespoort Dam, South Africa, was investigated using semipermeable membrane devices (SPMDs) as passive samplers. Freely dissolved waterborne polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs) and organochlorine pesticides (OCPs) were sampled to investigate seasonal changes in their concentrations. Exposure of the passive samplers was done for 14 days at the same sampling site in each of the four seasons of the year, in 2011. The SPMD-derived analyte amounts enabled the calculation of time-weighted averages of free dissolved waterborne levels of the contaminants. Concentrations ranged from 30.0 ng.l(-1) to 51.5 ng.l(-1) for PAHs, 38 pg l(-1) to 150 pg.l(-1) for PCBs, 9.2 to 10.4 ng.l(-1) for HCHs and 0.3 to 0.8 ng.l(-1) for DDTs, respectively. It was also noted that the winter season generally exhibited higher contaminant concentrations for most compounds studied, which likely reflects the seasonality of their atmospheric deposition. An attempt was also made to identify possible sources of PAH contaminants in the dam by examining PAH ratios. These diagnostic ratios were inclined towards pyrogenic sources of pollution, except for the winter season where both pyrogenic and petrogenic sources likely contribute to the contamination pattern.
ER -
AMDANY, Robert Kipruto, Luke CHIMUKA, Ewa CUKROWSKA, Petr KUKUČKA, Jiří KOHOUTEK a Branislav VRANA. Investigating the temporal trends in PAH, PCB and OCP concentrations in Hartbeespoort Dam, South Africa, using semipermeable membrane devices (SPMDs). \textit{WATER SA}. PRETORIA: WATER RESEARCH COMMISSION, 2014, roč.~40, č.~3, s.~425-436. ISSN~0378-4738. Dostupné z: https://dx.doi.org/10.4314/wsa.v40i3.5.
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