A protocol for a reproduction test with the collembolan Folsomia candida was developed, starting exposure with eggs instead of juveniles as required by OECD test guideline 232. Accordingly, the exposure and, thus, the test duration was extended. The extended test starts with synchronisation of eggs in a thin soil layer on plaster of Paris, selection […]
Products used for plant protection or as biocides often contain more than one active substance together with numerous formulation additives. The environmental risk assessment for such commercial mixtures applies as default the concept of concentration addition. There is remaining regulatory concern, however, that underestimation of risks can occur if components in the mixture interact synergistically, […]
The aquatic environment is continually exposed to a complex mixture of chemicals, with effluents of wastewater treatment plants (WWTPs) as one key source. The aim of the present study was to investigate whether environmental risk assessments addressing individual substances are sufficiently protective for such mixtures. Based on a literature review of chemicals reported to occur […]
ECT’s GLP certificate, which comprises the categories 4 (Environmental toxicity studies on aquatic and terrestrial organisms) and 5 (Behaviour in water soil and air, bioaccumulation and metabolism), has been renewed in May 2018.
The ‘1st International Earthworm Congress’ (IEC 1) takes place in Shanghai (China) from 24 to 29 June 2018. Jörg Römbke is member of the scientific committee of this conference. In addition, ECT contributes with the following two presentations: […]
Meet ECT at the SETAC Europe 28th Annual Meeting (‘Responsible and innovative research for environmental quality’) that takes places in Rome, Italy, from May 13th to 17th, 2018. It addition to several platform and poster presentations (see below), ECT is presenting its work and activities at its own booth.
The lack of standardised methods to study soil organisms prevents comparisons across datasets and hampers the development of new global and regional experiments and assessments. Standardised methods are also needed to evaluate the impact of anthropogenic stressors, such as chemicals, on soil organism communities in the regulatory context. The objective of this critical review is […]
The SETAC Pellston Workshop ‘Simplifying environmental mixtures – an aquatic exposure-based approach via exposure scenarios’ addressed the need to improve mixture assessments by considering different exposure scenarios related to land use. Recently, a series of papers from this workshop was published in Environmental Toxicology and Chemistry, including the work ‘Use of prospective and retrospective risk assessment methods that simplify chemical mixtures associated with treated domestic wastewater discharges’, to which Anja Coors contributed.
A proposal was prepared for the post-authorisation monitoring of veterinary medicinal products, in particular parasiticides. Such a monitoring might especially be useful for parasiticides identified as PBT substances, i.e., substances that are toxic (T), persist in the environment (P) and bioaccumulate (B). Based on a literature search, issues are discussed that have to be considered […]
The SETAC Workshop on ‘Terrestrial Environmental Risk Assessment of Plant Protection Products: Non-target Arthropods and Soil Invertebrates’ takes place in Barcelona (Spain) from 12 to 14 February 2018. ECT contributes with the following presentation: […]
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D. Leib
D. Leib
T. Junker