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Ecotoxicological information

Toxicity to soil microorganisms

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Soil toxicity studies offatty acids, tall-oil, manganese saltsare not available. Thus, read-across to the assessment entities soluble manganese substances and fatty acids, tall oil is applied since manganese cations and fatty acid anions determine its fate and toxicity in the environment. Reliable data indicate that the moiety of ecotoxicological concern are manganese cations since the lowest effect concentration is the 28-h NOEC of 207 mg Mn/kg soil dw for nitrogen mineralization. Data for fatty acids, tall oil point to a low (if any) toxic potential to soil microorganisms.

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