ECHA recently announced that the Hyalella azteca bioconcentration test (HYBIT) can fulfil the standard information requirement under REACH for bioaccumulation, unless dietary exposure is required (read more). Thereby, the bioconcentration test (OECD TG 305) with fish will be replaced on a case-by-case basis with a test system that uses freshwater amphipods, i.e. non-vertebrates. A test […]
ECT’s certificate of Good Laboratory Practice (GLP) has been successfully renewed in April 2024, for the 9th time since 1994. The successful assessment of conformity with GLP included ECT’s recently established analytical department and electronic raw data archive.
In-house analytical services under GLP are now available at ECT. Analytical verification of actual test concentrations is essential in ecotoxicity studies, and we are now prepared to provide this service in-house.
In compliance with Good Laboratory Practice (GLP), ECT conducts a broad range of ecotoxicity tests with aquatic and terrestrial organisms, bioaccumulation and environmental fate studies. ECT’s certificate of Good Laboratory Practice (GLP), which comprises the categories 4 (‘Environmental toxicity studies on aquatic and terrestrial organisms’) and 5 (‘Studies on behaviour in water, soil and air; […]
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.
European legislation requires testing of parasiticides using, among others, dung beetles (OECD GD 122). Currently, Aphodius constans, a dweller species, has been approved as a test species for residues in dung. However, results of tests using A. constans may not be relevant for tunneler species.
For the activated sludge respiration inhibition test, the updated OECD test guideline 209 (22 July 2010) requires more replicates per treatment than the former guideline. To accomplish this new requirement and process the test within a reasonable timeframe, ECT recently established a multi-channel oxygen meter that allows simultaneous measurement and processing of respiration rates in […]
The aim of the project was the validation of a sediment bioaccumulation test with endobenthic oligochaetes by an international ring test. The test method was developed taking into account existing methods (UBA-reports 298 67 419 (1999) and 206 03 106/03 (1999)). A test protocol was prepared and used to run the test. A total of […]
The aim of the project was the validation of a sediment toxicity test with the benthic oligochaete Lumbriculus variegatus by an international ring test. The test method was developed taking into account existing methods. A test protocol was prepared and used to run the test. A total of 14 institutions (governmental agencies, universities, contract laboratories […]
The aim of this project, which was supported by the German Environment Agency (UBA), was to standardise and validate a test guideline using soil predatory mites, a Hypoaspis reproduction test. Testing effects of plant protection products on predatory soil mites may be needed for the listing of an active substance in Annex I of EU […]
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