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. 2013 Dec 23;8(12):e83909. doi: 10.1371/journal.pone.0083909

Figure 3. The impact of Cr concentrations on averaged gas concentrations in bioreactors inoculated with Hanford well H-100 groundwater.

Figure 3

a) CO2 and b) CH4 when amended with (X) 0 mg/L Cr(VI), (○) 0.1 mg/L Cr(VI) and (▾) 3.0 mg/L Cr(VI). W = weeks. Error bars indicate 1 standard deviation between replicates.