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Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
Description of key information
Toxicity of FAT 40858/A TE to Pseudokirchneriella subcapitata in an Algal Growth Inhibition Test
Key value for chemical safety assessment
Additional information
The influence of FAT 40858/A TE on the growth of the freshwater green algaePseudokirchneriella subcapitatawas assessed in a static dose-response test.The 72-hour ErC50value and the 72-hour EyC50were calculated to be> 100 mg test item/L. The 72-hour NOErC was determined to be32 mg test item/L and the associated 72-hour LOErC was100 mg test item/L. The 72-hour NOEyC was determined to be32 mg test item/L and the associated 72-hour LOEyC was100 mg test item/L.
At the start of the test 113 % of the nominal test concentrations were found (average of all test concentrations).After 72 hours test duration, 94 % of the nominal value was determined (average of all test concentrations). During the test the algae were exposed to a mean of 103 % of nominal. Therefore, all reported results refer to nominal concentrations.
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