TABLE 5.

Arsenite oxidation rates in autotrophic As(III)-oxidizing enrichment cultures.

Sample	Exponential phase endpoint (days)	Cells mL–1 at endpoint	Daily growth rate (%)	Specific As(III) oxidation rate [mmol As(V) (day ⋅ cells) –1]
LO	14	7.87 ⋅ 105	4.30	7.26 ⋅ 10–5
CR1	28	1.72 ⋅ 106	7.98	2.41 ⋅ 10–5
MN	35	9.31 ⋅ 106	14	3.01 ⋅ 10–6
VA	14	6.62 ⋅ 105	3.33	9.84 ⋅ 10–5
BS	9	1.72 ⋅ 106	1.24	1.11 ⋅ 10–3
CR2	11	1.07 ⋅ 107	9.79	2.06 ⋅ 10–3