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Dioxins and dioxin-like compounds in composts and digestates from European countries as determined by the in vitro bioassay and chemical analysis
Masaryk University, Faculty of Science, RECETOX, Brno, Czech Republic.
Masaryk University, Faculty of Science, RECETOX, Brno, Czech Republic. (MTM)ORCID iD: 0000-0003-1733-8334
Institute for Environment and Sustainability, Unit H.01-Water Resources Unit, European Commission DG Joint Research Centre (JRC), Ispra, Italy.
Institute for Environment and Sustainability, Unit H.01-Water Resources Unit, European Commission DG Joint Research Centre (JRC), Ispra, Italy.
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2015 (English)In: Chemosphere, ISSN 0045-6535, E-ISSN 1879-1298, Vol. 122, p. 168-175Article in journal (Refereed) Published
Resource type
Text
Abstract [en]

Aerobic composting and anaerobic digestion plays an important role in reduction of organic waste by transforming the waste into humus, which is an excellent soil conditioner. However, applications of chemical-contaminated composts on soils may have unwanted consequences such as accumulation of persistent compounds and their transfer into food chains. The present study investigated burden of composts and digestates collected in 16 European countries (88 samples) by the compounds causing dioxin-like effects as determined by use of an in vitro transactivation assay to quantify total concentrations of aryl hydrocarbon receptor-(AhR) mediated potency. Measured concentrations of 2,3,7,8-Tetrachlorodibeno-p-dioxin (2,3,7,8-TCDD) equivalents (TEQ(bio)) were compared to concentrations of polycyclic aromatic hydrocarbons (PAHs) and selected chlorinated compounds, including polychlorinated dibenzo-p-dioxins/furans (PCDD/Fs), co-planar polychlorinated biphenyls (PCBs), indicator PCB congeners and organochlorine pesticides (OCPs). Median concentrations of TEQ(bio), (dioxin-like compounds) determined by the in vitro assay in crude extracts of various types of composts ranged from 0.05 to 1.2 with a maximum 8.22 mu g (TEQ(bio)) kg(-1) dry mass. Potencies were mostly associated with less persistent compounds such as PAHs because treatment with sulfuric acid removed bioactivity from most samples. The pan-European investigation of contamination by organic contaminants showed generally good quality of the composts, the majority of which were in compliance with conservative limits applied in some countries. Results demonstrate performance and added value of rapid, inexpensive, effect-based monitoring, and points out the need to derive corresponding effect-based trigger values for the risk assessment of complex contaminated matrices such as composts.

Place, publisher, year, edition, pages
Elsevier, 2015. Vol. 122, p. 168-175
Keywords [en]
Biodetection tools; Effect-based monitoring; Dioxin; PAHs; Compost; Digestate
National Category
Environmental Sciences
Research subject
Enviromental Science
Identifiers
URN: urn:nbn:se:oru:diva-49770DOI: 10.1016/j.chemosphere.2014.11.039ISI: 000348952300023PubMedID: 25522853Scopus ID: 2-s2.0-84920525392OAI: oai:DiVA.org:oru-49770DiVA, id: diva2:918906
Note

Funding Agencies:

European Social Fund

State budget of the Czech Republic

Ministry of Education of the Czech Republic LM2011028  L01214

Canada Research Chair program, Visiting Distinguished Professorship in the Department of Biology and Chemistry and State Key Laboratory in Marine Pollution, City University of Hong Kong

2012 "Great Concentration Foreign Experts" program - State Administration of Foreign Experts Affairs, P.R. China

Einstein Professor Program of Chinese Academy of Sciences

Available from: 2016-04-12 Created: 2016-04-12 Last updated: 2018-07-03Bibliographically approved

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Kukucka, PetrBláha, Ludek

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