Pollutant effects on standard test organisms

We offer the performance of acute and chronic tests with aquatic organisms for both chemical and wastewater testing. These tests can be performed under the conditions of good laboratory practice (GLP). Beside the common scope of application, for the standard testing of algae, duckweeds and daphnids we additionally offer advanced areas of application.

For difficult substances such as highly hydrophobic and/or volatile chemicals we have developed an approach by means of passive dosing to test these challenging substances in common test procedures providing full control over exposure concentrations at or below the solubility threshold.

• Growth inhibition test with green algae in accordance with OECD 201 or ISO 8692
• Growth inhibition test with duckweed in accordance with OECD 221 or DIN EN ISO 20079
• Acute Daphnia test in accordance with OECD 202, DIN EN ISO 6341 or DIN 38412-L30
• Daphnia reproduction test in accordance with OECD 211 or ISO 10706

• Fish egg test in accordance with DIN EN ISO 15088
• Endocrine test procedures (L-YES /L-YAS, H295r assay, ER-Calux, AR-Calux)
• Mutagenicity/genotoxicity tests (Ames fluctuation test, UMU test, micronucleus test in fish eggs)

Our cooperation partners are the IfU (RWTH Aachen University), the IWW (Mühlheim), and the E3T (Goethe University Frankfurt).

In addition to standard procedures, we offer approaches for specific questions such as tests under non-standard conditions (e.g. tests under variable exposure conditions, tests with sediment, under different water temperatures or under field conditions) as well as test procedures with non-standard species or species communities.