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Sediment toxicity

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Lactide is rapidly hydrolysed to lactic acid. Lactic acid is the only relevant species in the environment and is not hazardous to sediment organisms. Both L- and D-lactic acid are ubiquitous and essential molecules in all biological systems, and organisms are continuously exposed to significant internal and external background concentrations of L- as well as D-lactic acid. Therefore, the information on the aquatic toxicity of L-lactic acid is fully valid for D-lactic acid, and in consequence for DD-lactide.

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