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Diss Factsheets

Ecotoxicological information

Sediment toxicity

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Link to relevant study record(s)

Description of key information

Sediment toxicity:
MATC (28 d): >= 200 mg/kg sediment dw

Key value for chemical safety assessment

Additional information

There is one study available on subchronic toxicity of sediment-sorbed to Chironomus tentans under flow-through conditions (Springborn Laboratories Inc., 1989). The test was performed according to the procedures outlined in the protocol entitled “Protocol for Conduct of a Flow-Through Partial Life-Cycle Sediment Toxicity Test with Midge Following TSCA Guidelines”, SU Protocol #101288fTSCA SED-CHI, dated February 23,1989which is similar to OECD Guideline 219 (Sediment-Water Chironomid Toxicity Test Using Spiked Water).

MATC - Maximum Acceptable Toxicant Concentration (concentration range encompassing the highest mean measured concentration that has no significant effect on the test organism performance and the lowest mean measured concentration that significantly affects the exposed organisms) ≥ 200 mg/kg sediment dw was determined in the study.