This comprehensive reference covers all aspects of water and wastewater analysis techniques. Us epa approvals under the safe drinking water act correlated with sm edition numbers the us epa, under the safe drinking water act, lists methods that can be used to evaluate specific analytes The epa provides the method number and the approval year. At times the epa may approve a method that has not yet been published in print format but has been approved by the standard methods committee and is published online.
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