Earthworm Acute Toxicity (OECD 207)

Study to assess acute toxicity to Earthworms

Concentrations of test substance are added to a defined artificial loam soil in which adult earthworms are maintained for 14 days.  After 7 and 14 days the effects of the test substance on earthworm survival are examined.  The results are used to calculate LC50 values and no observed effect concentrations.  Reference tests are carried out with chloracetamide in order to check the validity of the test system.

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