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Ecotoxicological information

Toxicity to microorganisms

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Link to relevant study record(s)

Description of key information

SIKA Hardener LI was assessed in an activated sludge respiration inhibition test, according to the EU-method C. 11 and OECD guideline 209. The 3-hour EC50 was determined to be 564.94 mg/L and the 3-hour NOEC determined to be 31 mg/L. 

Key value for chemical safety assessment

EC50 for microorganisms:
564.94 mg/L
EC10 or NOEC for microorganisms:
31 mg/L

Additional information