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Environmental fate & pathways

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In a guideline study in freshwater, the substance 2 -(2 -(2 -ethoxyethoxy)ethoxy)ethanol was found to be readily biodegradable. The BOD28 was 92.1%. The biodegradation was also assessed at a number of concentrations using a non-adapted domestic sewage innoculum in a freshwater medium. Ready degradation was observed with a BOD20 of 71%. In a single study in saltwater, ready biodegradation was not seen with only 22% degradation after 20 days.