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Representative results for the 1,2-DCA enrichment culture biodegrading high concentrations of 1,2-DCA when no EDB was added (a), 370 μg/liter EDB was added (b), or 645 μg/liter EDB was added (c). Each arrow indicates the addition of 0.31 mmol lactate. EDB was added on day 16.5 and is shown on a log scale (MCL = 0.05 μg/liter).
