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You are here: Home » Latest Issue » Volume 17, 2022 - Number 2 » ASSESSMENT OF THE QUALITY OF RIVER SEDIMENTS IN BASELINE NATIONAL MONITORING STATIONS OF 12 COUNTRIES IN THE DANUBE RIVER BASIN, Carpathian Journal of Earth and Environmental Sciences August 2022, Vol. 17, No. 2, p. 425 – 440; DOI:10.26471/cjees/2022/017/233


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Anca-Marina VÎJDEA1*, Veronica Elena ALEXE1, Lidia-Lenuța BĂLAN1, Oleg BOGDEVICH2, Teja ČERU3, Neda DEVIĆ4, Meta DOBNIKAR3, Katalin Mária DUDÁS5, Ismir HAJDAREVIĆ6, Jarmila HALÍŘOVÁ7, Atanas HIKOV8, Franko HUMER9, Danijel IVANIŠEVIĆ10, Michal JANKULÁR11, Gyozo JORDAN12, Kristina KORET3, Marko MARJANOVIĆ13, Prvoslav MARJANOVIĆ13, Libor MIKL7, Igor NICOARĂ14, Toni NIKOLIĆ6, Irena PEYTCHEVA8, Sebastian PFLEIDERER15, Heinz REITNER15, Ajka ŠORŠA10, Jelena VIĆANOVIĆ16, Dragica VULIĆ13, & The SIMONA Project Teama
1Geological Institute of Romania IGR, 1 Caransebeș St., RO-012171 Bucharest, Romania,
2Institute of Chemistry, 3 Academy St., Chişinău, MD-2028, Republic of Moldova
3Geological Survey of Slovenia, Dimičeva ulica 14, 1000 Ljubljana, Slovenia
4Geological Survey of Montenegro, Kruševac bb, 81000 Podgorica, Crna Gora, Montenegro
5Hungarian University of Agriculture and Life Sciences, Villányi út 29-43, 1118 Budapest, Hungary
6Geological Survey of the Federation of Bosnia and Herzegovina FZZG, Ustanička 11, 71210 Ilidža, BiH;
7Czech Hydrometeorological Institute, Generála Šišky 942, 13400 Prague 4, Czech Republic
8Geological Institute of the Bulgarian Academy of Sciences, Acad. Georgi Boncev St., bl. 24, 1113 Sofia, Bulgaria
9Environment Agency Austria UBA, Spittelauer Lände 5, A-1090 Vienna, Austria
10Croatian Geological Survey, Sachsova 2, 10000 Zagreb, Croatia
11State Geological Institute of Dionýz Štúr, Mlynska dolina 1, 817 04 Bratislava, Slovakia
12Eötvös Loránd University, Egyetem tér 1-3, H-1053, Budapest, Hungary
13Jaroslav Černi Water Institute, Jaroslava Cernog 80, 11226, Belgrade, Republic of Serbia
14Institute of Geology and Seismology, 60/3 Gh. Asachi St., Chişinău, Republic of Moldova
15Geological Survey of Austria GBA, Neulinggasse 38, A-1030 Vienna, Austria
16 Vode Srpske, Miloša Obilića 51, 76300 Bijeljina, BiH
*Corresponding author: anca.vijdea@igr.ro


ASSESSMENT OF THE QUALITY OF RIVER SEDIMENTS IN BASELINE NATIONAL MONITORING STATIONS OF 12 COUNTRIES IN THE DANUBE RIVER BASIN, Carpathian Journal of Earth and Environmental Sciences August 2022, Vol. 17, No. 2, p. 425 – 440; DOI:10.26471/cjees/2022/017/233

Full text

Abstract:

Fluvial sediment samples (river bottom sediment, suspended sediment and active floodplain/overbank) were collected in 2 baseline stations of the Transnational Monitoring Network for each of the 12 countries in the Danube Basin Region: Austria, Bosnia and Herzegovina, Bulgaria, Croatia, Czech Republic, Hungary, Republic of Moldavia, Montenegro, Romania, Republic of Serbia, Slovakia and Slovenia, according to a harmonized methodology. The sediment samples were analyzed for selected hazardous substances (HSs): 8 metals, 8 polycyclic aromatic hydrocarbons (PAHs) and 6 pesticides in an accredited laboratory selected as reference laboratory, as well as in national laboratories. Risk ratios were computed in order to compare the results to the Environmental Quality Standards listed in the European Directives, to the national threshold values in the Danube Basin, and to other available international European and American quality standards, and the risk ratios were classified as background, alert and intervention values for readily evaluation. Results show widespread metal(oid) (As, Cd, Cu, Hg, Pb, and Zn) contamination in the Danube Basin, most often associated with historic mining. Concentration values of Ni and Cr exceeding the thresholds are caused by the geological background (ultrabasic and metamorphic rocks in Bosnia and Herzegovina, Republic of Serbia and Romania). Concentration values higher than the thresholds for some of the PAHs (e.g. Fluoranthene) and sometimes for Total PAHs were also noted almost in every countries, caused by industrial activities, wastewater discharges or navigation on the Danube River. Pesticides were below the detection limit or below the legislative intervention thresholds at all national baseline sampling sites.



Keyword: monitoring sediment stations, sampling, hazardous substances, environmental quality standards, Danube River Basin.


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