2014
Investigating the temporal trends in PAH, PCB and OCP concentrations in Hartbeespoort Dam, South Africa, using semipermeable membrane devices (SPMDs)
AMDANY, Robert Kipruto, Luke CHIMUKA, Ewa CUKROWSKA, Petr KUKUČKA, Jiří KOHOUTEK et. al.Základní údaje
Originální název
Investigating the temporal trends in PAH, PCB and OCP concentrations in Hartbeespoort Dam, South Africa, using semipermeable membrane devices (SPMDs)
Autoři
AMDANY, Robert Kipruto (404 Keňa), Luke CHIMUKA (710 Jižní Afrika, garant), Ewa CUKROWSKA (616 Polsko), Petr KUKUČKA (203 Česká republika, domácí), Jiří KOHOUTEK (203 Česká republika, domácí) a Branislav VRANA (203 Česká republika, domácí)
Vydání
WATER SA, PRETORIA, WATER RESEARCH COMMISSION, 2014, 0378-4738
Další údaje
Jazyk
angličtina
Typ výsledku
Článek v odborném periodiku
Obor
10511 Environmental sciences
Stát vydavatele
Jižní Afrika
Utajení
není předmětem státního či obchodního tajemství
Odkazy
Impakt faktor
Impact factor: 0.640
Kód RIV
RIV/00216224:14310/14:00079304
Organizační jednotka
Přírodovědecká fakulta
UT WoS
000346631300005
Klíčová slova anglicky
Hartbeespoort dam; persistent organic pollutants; semipermeable membrane devices; water-dissolved concentrations; temporal trends
Příznaky
Mezinárodní význam, Recenzováno
Změněno: 20. 3. 2015 09:47, Ing. Filip Vaculovič
Anotace
V originále
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.
Návaznosti
EE2.3.30.0037, projekt VaV |
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LM2011028, projekt VaV |
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LO1214, projekt VaV |
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