News - Sediment Ecotoxicology
10. February 2017, Topic: Aquatic Ecotoxicology , Sediment Ecotoxicology
New report on measuring PCBs and dioxins in surface waters
This report evaluates the suitability of sediment analyses and of measurements with passive samplers in the water phase for localising PCB and dioxin sources. It is shown that PDMS passive samplers are well suited for this purpose.
Read more20. January 2017, Topic: Soil Ecotoxicology , Sediment Ecotoxicology
Students learn about ecotoxicology
In which ways can earthworms assist us? What are bioassays used for? The Ecotox Centre answered these and other questions to high school pupils at the EPFL's Journées des gymnasiens.
Read more29. November 2016, Topic: Sediment Ecotoxicology , Aquatic Ecotoxicology
Oligochaetes indicate sediment quality
Aquatic oligchaetes are well suited for the assessment of biological sediment quality. However, difficulties with their species determination inhibit their use as routine indicator organisms. A genetic species determination using genetic barcodes could change the situation and promote the application of the method.
Read more20. November 2016, Topic: Aquatic Ecotoxicology , Sediment Ecotoxicology , Risk Assessment
Legally binding effect-based quality criteria for Switzerland
The Ecotox Centre is currently adapting numerous proposals for quality criteria before they become legally binding in 2018.
Read more27. October 2016, Topic: Aquatic Ecotoxicology , Sediment Ecotoxicology
Sediment storage conditions influence biotest results
New results from the Ecotox Centre show that freezing has a pronounced influence on sediment toxicity.
Read more21. July 2016, Topic: Sediment Ecotoxicology , Risk Assessment , Aquatic Ecotoxicology
Metals in Swiss sediments
A new report summarizes the available data on metals in Swiss sediments and enables a prioritization of these important contaminants.
Read more27. May 2016, Topic: Aquatic Ecotoxicology , Soil Ecotoxicology , Sediment Ecotoxicology , Risk Assessment
Successful evaluation of the Ecotox Centre
In 2015, the Ecotox Centre was evaluated by external experts. The evaluation report has now been published: Overall, the development of the Ecotox Centre and its services and impacts were rated very positively.
Read more18. May 2016, Topic: Aquatic Ecotoxicology , Sediment Ecotoxicology
Passive samplers as investigators find PCB source in the Birs
Several years ago fish in the river Birs were polluted with PCBs way beyond the legal threshold but the pollutant source remained unknown. With the help of passive samplers the source in a manufacturing plant could be revealed.
Read more17. May 2016, Topic: Aquatic Ecotoxicology , Sediment Ecotoxicology
Sediment quality in the Venoge
Do the sediments in the Venoge contribute to the rivers inferior water quality? To answer this question the Ecotox Centre has assessed the water quality with bioassays and chemical analyses.
Read more17. May 2016, Topic: Aquatic Ecotoxicology , Sediment Ecotoxicology , Risk Assessment
Progress in the sediment module for the Modular Stepwise Procedure
Together with Eawag and the Federal Office for the Environment, the Ecotox Centre has been working on a sediment module for the assessment of streams since January 2015.
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