Temporal Trends of Polycyclic Aromatic Hydrocarbons in Precipitation of Poznań and Its Vicinity (Poland) (original) (raw)
Related papers
2016
In this study levels, fluxes and temporal trend of PAHs are reported in a sediment core from Chungará Lake (18 ° S) in Northern Chile. The sediments were obtained by Kayac corer and freeze dried. PAHs were extracted in SOXHLET system and measured by HPLC with diode array detector and fluorescence detection. Sedimentary record chronology was determined using 210Pb isotopes and organic carbon (%) was also measured in sediments. Concentrations (ng g-1 d.w.) of PAHs were low ranging from ~1 to 50. PAHs fingerprint was dominated by 3-ring (21%) and 4-ring. Organic carbon (%) ranged from ~17 to 24 (21±3) and no statistical significant correlation (p<0.05) was detected between OC (%) and PAHs along the sediment core. PAHs fluxes (µg m-2yr-1) fluctuated from ~0.3 (cm 1) to 35 (cm 5) in 1978. LPAHs/HPAHs ratios (0.04 to 3) indicate petrogenic and pyrolytic origin of PAHs. This results contributes with new information of PAHs deposition at high altitudinal lake in Southern Hemisphere.
Polycyclic aromatic hydrocarbons in lake sediments from the High Tatras
Environmental Pollution, 2011
High sedimentary PAH loads were observed in alpine lakes in the High Tatras (Eastern Europe) which are related to high PAH atmospheric deposition fluxes. a b s t r a c t European alpine lake systems are used as indicators of air quality over the continent. Preliminary data showed high polycyclic aromatic hydrocarbons (PAH) loads in the High Tatras (Eastern Europe) in comparison to other mountain regions. Here, insight on the spatial distribution of PAH is provided from analysis of top-core sediments of 27 alpine lakes distributed along the High Tatras.
Environmental monitoring …, 2008
The distribution of 11 individual polycyclic aromatic hydrocarbons (PAHs) was analysed in a 210 Pb dated sediment core from the deepest area of Lake Peipsi and in four surface sediment samples taken from littoral areas. According to the concentrations in the core three groups of PAHs may be distinguished: (1) relatively stable concentrations of PAHs within the whole studied time interval; (2) very low concentrations in sediments accumulated before intensive anthropogenic impact (from 19th century up to the 1920s) following a slight increase and (3) an overall increase in PAH concentrations since the 1920s up to the present. Comprehensive analysis of PAHs in the core and monitoring data obtained in the 1980s together with the lithology of sediments show that an increase of anthropogenically induced PAHs correlates well with the history of fuel consumption in Estonia and speaks about atmospheric long-distance transport of PAHs. The continuous increase of PAH concentrations since the 1920s do not support the earlier hypothesis about the dominating impact of the oil shale fired power plants near the lake, because their emissions decreased significantly in the 1990s. The concentration of PAHs in the deep lake core sample correlates well with the content of organic matter, indicating absorption and co-precipitation with plankton in the sediment.
Deposition Fluxes of Polycyclic Aromatic Hydrocarbons in the Bottom Sediments of Lake Pihkva
Oil Shale, 2013
Traditionally the elevated concentrations of PAHs in the bottom sediments of Lake Peipsi are explained by the influence of oil shale industry. To estimate the role of Narva Power Plants (Narva PP) in the deposition of PAHs, we investigated the 210 Pb dated sediment core from Lake Pihkva, where the influence of oil shale industry should be minimal. The distribution of 15 individual PAHs was established, the observed levels of ΣPAHs ranged between 75 and 345 ng/g. PAHs with 4-5 rings implying petrogenic activity accounted for 74 to 87% of ΣPAHs, which is higher than in a similar investigated profile in Lake Peipsi sensu stricto. It means that the role of oil shale industry in PAHs accumulation is strongly overestimated and there should be many other sources whose role needs further investigation.
Environmental Science and Pollution Research, 2014
In this study levels, fluxes and temporal trend of PAHs are reported in a sediment core from Chungará Lake (18° S) in Northern Chile. The sediments were obtained by Kayac corer and freeze dried. PAHs were extracted in SOXHLET system and measured by HPLC with diode array detector and fluorescence detection. Sedimentary record chronology was determined using 210 Pb isotopes and organic carbon (%) was also measured in sediments. Concentrations (ng g-1 d.w.) of PAHs were low ranging from ~1 to 50. PAHs fingerprint was dominated by 3-ring (21%) and 4-ring. Organic carbon (%) ranged from ~17 to 24 (21±3) and no statistical significant correlation (p<0.05) was detected between OC (%) and PAHs along the sediment core. PAHs fluxes (µg m-2 yr-1) fluctuated from ~0.3 (cm 1) to 35 (cm 5) in 1978. LPAHs/HPAHs ratios (0.04 to 3) indicate petrogenic and pyrolytic origin of PAHs. This results contributes with new information of PAHs deposition at high altitudinal lake in Southern Hemisphere.
Journal of Environmental Science and Health Part A-toxic/hazardous Substances & Environmental Engineering, 2007
The Songhuajiang River watershed is the important industrial and foodstuff base in the northeast part of China. However, the increasing population, industrial and agricultural activities around the Songhuajiang River lead to the introduction of contaminants and the possibility of polluting the river. This investigation represents an extensive study of the spatial and temporal distribution of polycyclic aromatic hydrocarbons (PAHs) in the sediment samples collected from the Songhuajing River in flood season (August, 2005) and icebound season (December, 2005) by using the gas chromatography-mass spectrometry (GC/MS) analyses. In flood season, the total PAHs concentrations in sediments ranged from 84.44 ng g−1 to 14938.73 ng g−1, with average concentration of 2430.37 ng g−1. In icebound season, the total PAHs concentrations in sediments ranged from 23.61 ng g−1 to 15310.25 ng g−1, with average concentration of 1825.60 ng g−1. Compared to the concentration of PAHs between central sediment and riverbank-exposed sediment at some stations, the concentration in exposed sediment was higher than that in the central sediment in the upstream of river. It was also observed that the concentration of PAHs in flood season was higher than that in icebound season. The level of PAHs in the sediments of Songhua River was higher in comparison with values reported from other river and marine systems in the world. The most contaminated sediment samples were found in the upstream area of Songhuajiang River located near Jilin petrochemical industrial company for both flood and icebound seasons. The 4–6 ring PAHs were dominated in sediments due to their higher persistence. There was positive correlation between total PAHs concentration in sediment samples and TOC or LOI (r = 0.62 and r = 0.58, P < 0.01, n = 31). The calculated ratio of selected PAH and principal component analysis (PCA) suggests the contamination source of PAHs were combined inputs of pyrolytic and petrogenic contamination, due to the discharge from municipal and industrial wastewater runoff and atmospheric fallout.
Sediment Fluxes of Polycyclic Aromatic Hydrocarbons in European High Altitude Mountain Lakes
Environmental Science & Technology, 1999
Polycyclic aromatic hydrocarbons (PAH) were measured in superficial sediments from several high altitude mountain lakes for assessment of contemporary background PAH pollution levels in Europe. The sediments were obtained by gravity coring, and the upper 0-1 cm were analyzed by gas chromatography coupled to mass spectrometry. The parent PAH mixtures are very uniform irrespective of lake location, lake characteristics, and PAH load, corresponding to airborne combustion mixtures refractory to photooxidation and chemical degradation. The sedimentary fluxes are lowest in lake Arresjøen (Arctic area), 6.9 µg/m 2 yr, between 44 and 150 µg/m 2 yr in west and central Europe and very high, 960-1700 µg/m 2 yr, in east Europe. Normalization of these values to TOC reflects a uniform pattern in correspondence with continental influence and eastwest distribution. This pattern parallels the annual average atmospheric deposition fluxes of sulfate, pointing to combustion particles as the main way of PAH transport into these high altitude lakes. The lowest PAH/TOC ratios are found in the sites more distant from the continent (4.6-4.9 µg/g), the westernmost locations constitute another group (Iberian Peninsula, 7.2-7.8 µg/g), higher values are found in the Alps and Pyrenees (13-17 µg/g), and the most polluted lakes are found in the Tatra mountains (130 µg/g).
Polycyclic aromatic hydrocarbons in Recent lake sediments—I. Compounds having anthropogenic origins
Geochimica et Cosmochimica Acta, 1980
Polycyclic aromatic hydrocarbons (PAHj in sediment cores from Lake Lucerne, Lake Ziirich. and Greifensee. Switzerland. and Lake Washington. northwest U.S.A.. have been Isolated, identified and quantified by glass capillary gas chromatography and gas chromatography/mass spectrometry. Surface sediment layers are greatly enriched in PAH-up to 40 times--compared to deeper layers. In addition, concentration increases in upper sediments generally correspond to increasing industrialization and urbanization in the catchment basins of the lakes. Few PAH could be detected in pre-industrial revolution sediments. indicating that background levels for most PAH in aquatic sediments are extremely low.
Social Science Research Network, 2022
The aim of this study is to determine potential sources and concentrations of polycyclic aromatic hydrocarbons (PAHs) and polychlorinated biphenyls (PCBs) in surface soils devoted to different land uses in northwest Algeria. Microwaveassisted extraction (MAE) and gas chromatography/mass spectrometry (GC-MS) methods were applied to quantify 16 PAHs and 7 PCB congeners in surface soils. The sum of the 16 US-EPA priority PAHs and the 7 European indicator PCBs ranged from 133.7 to 2068.0 ng g −1 and from n.d. to 19.34 ng g −1 , respectively. PAHs with four to six fused rings were predominant in soils, and their concentrations ranged from 110.1 to 1768.0 ng g −1. Principal component analysis (PCA) and isomeric ratios showed that pyrogenic processes and petrogenic contributions were the main sources of PAHs, while commercial mixtures of PCBs (Aroclor 1254 and 1260) were sources of PCBs in urban/residential and industrial sites. This is a first screening of data about PAHs and PCBs in soils around a Mediterranean city (Oran, North Africa), and a first step toward a better understanding of the impact of anthropogenic activities on land uses.