| http://www.w3.org/ns/prov#value | - Bacteria may be present in subterranean brines of the invention in an amount that varies, such as where the concentration is 1???108 colony forming units/ml (cfu/ml) or less, such as 5???106 cfu/ml or less, such as 1???105 cfu/ml or less, such as 5???104 cfu/ml or less, such as 1???103 cfu/ml or less, and including 1???102 cfu/ml or less.
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