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Ecotoxicological information

Toxicity to soil microorganisms

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Description of key information

The NOEC for respiration rate in loam soil is 0.1 mg/kg soil ww.

Key value for chemical safety assessment

Additional information

Kanazawa and Filip (1986) studied the effect of dichloromethane on soil biomass and microbial counts.

Incubation of soil for 2 months with 1-10 mg/kg (dry weight) methylene chloride reduced the activity of ß-glucosidase, 
ß-acetylglucosaminidase and proteinase during the first 28 days, with recovery after 2 months; no effect was observed at 0.1 mg/kg