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If a system blends groundwater and surface water, should source water samples be collected after blending or before? 

Source water samples should be taken before blending and should only be taken for the surface water source. 

For additional guidance on the Long Term 2 Enhanced Surface Water Treatment Rule please visit http://water.epa.gov/lawsregs/rulesregs/sdwa/lt2/index.cfm.

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Topic Information
  • Topic #: 23002-18409
  • Date Created: 4/7/2006
  • Last Modified Since: 10/12/2010
  • Viewed: 5981

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