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Open Access The Use of Passive Samplers to Reveal Industrial and Agricultural Pollution Trends in Swiss Rivers

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This study shows the efficiency of passive sampling to reveal industrial and agricultural pollution trends. Two practical applications for nonpolar and polar contaminants are presented. Low-density polyethylene (LDPE) samplers were deployed for one year in the Venoge River (VD) to monitor indicator PCBs (iPCBs, IUPAC nos. 28, 52, 101, 138, 153 and 180). The results showed that the impact of PCB emissions into the river is higher in summer than in other seasons due to the low flow rate of the river during this period. Polar organic chemical integrative samplers (POCIS) were deployed for 4 months in the Sion-Riddes canal (VS) to investigate herbicides (terbuthylazine, diuron and linuron). Desisopropylatrazine-d5 (DIA-d5) was tested as a performance reference compound (PRC) to estimate aqueous concentration. The results showed an increase of water contamination due to the studied agricultural area. The maximal contamination was observed in April and corresponds to the period of herbicide application on the crops.

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Keywords: HERBICIDES; LDPE; PASSIVE SAMPLING; PCB; POCIS

Document Type: Research Article

Affiliations: 1: EPFL ENAC IIE GR-CEL GR A1 382 (Building GR) Station 2 CH-1015 Lausanne, Switzerland 2: Ecole des sciences criminelles Universit√© de Lausanne CH-1015 Lausanne, Switzerland 3: EPFL ENAC IIE GR-CEL GR A1 382 (Building GR) Station 2 CH-1015 Lausanne, Switzerland. [email protected]

Publication date: November 1, 2014

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  • International Journal for Chemistry and Official Membership Journal of the Swiss Chemical Society (SCS) and its Divisions

    CHIMIA, a scientific journal for chemistry in the broadest sense, is published 10 times a year and covers the interests of a wide and diverse readership. Contributions from all fields of chemistry and related areas are considered for publication in the form of Review Articles and Notes. A characteristic feature of CHIMIA are the thematic issues, each devoted to an area of great current significance.

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