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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

Polyseed broad spectrum micro-organism mix: EC50=36000mg/l, NOEC/EC10=5000mg/l (16hr)
Sewage sludge microorganisms. EC50>10000mg/l

Key value for chemical safety assessment

EC50 for microorganisms:
36 000 mg/L
EC10 or NOEC for microorganisms:
7 500 mg/L

Additional information

Studies are available on sewage sludge micro-organisms and a broad spectrum micro-organism mixture. Both studies showed that the substance is practically non-toxic to micro-organisms.