EPA Approves 100 Methods for Drinking Water


EPA has approved 100 analytical methods for determining contaminant concentrations in drinking water samples. This rule is effective October 12, 2018. Regulated entities required to monitor drinking water may use either the testing methods already established in the existing drinking water regulations or these alternative methods. The new methods include a revision to EPA method 900.0 for gross alpha and beta, 89 updated methods in Standard Methods, 5 ASTM methods, and 2 Hach methods. A reformatted and edited version of this rule (and the Method 900.0, revision 1.0) is available from Catalyst on request. (10/12/2018, 83 FR 51636) https://www.gpo.gov/fdsys/pkg/FR-2018-10-12/pdf/2018-22162.pdf

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