Test No. 209: Activated Sludge, Respiration Inhibition Test (Carbon and Ammonium Oxidation) The OECD 209 test, also known as the Activated Sludge, Respiration Inhibition Test (Carbon and Ammonium Oxidation), is a standardized laboratory procedure used to assess the potential negative effects of a substance on the microorganisms in activated sludge from wastewater treatment plant Activated […]
Test No. 203: Fish, Acute Toxicity Test This one actually refers to two different test guidelines, both related to assessing the acute toxicity of chemicals to fish: 1. Test No. 203: Fish, Acute Toxicity Test This is the more common one, and it involves: Exposing fish (usually zebrafish or rainbow trout) to different concentrations of
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Test No. 202: Daphnia sp. Acute Immobilisation Test “OECD 202” actually refers to the Daphnia sp. Acute Immobilisation Test, a standard laboratory procedure used to assess the short-term toxicity of chemicals to freshwater invertebrates like Daphnia. Here’s what you need to know about OECD 202: What it does: Measures the acute (short-term) effects of a substance
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