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Environmental fate & pathways

Biodegradation in soil

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Description of key information

Rapid degradation of peracetic acid is expected to occur, when it comes in contact with soil.

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Additional information

Peracetic acid degrades rapidly in contact with organic substance and can be regarded as readily biodegradable. Consequently, any amount of peracetic acid which comes in contact with the soil is rapidly decomposed. The combined weight of evidence of the available study data confirming that fate, as e.g. the study by Howarth (2003) shows that peracetic acid decomposes rapidly upon contact with a sandy loam soil. Peracetic acid as well as hydrogen peroxide were essentially depleted within 20 minutes. Two other studies with soil samples (Chalkley, 1991c; 1991d) also showed that peracetic acid is rapidly and easily degraded in soil.