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4 datasets found
  • Federal

    Drinking Water Maximum Contaminant Levels (MCLs)    recent views

    U.S. Environmental Protection Agency —

    National Primary Drinking Water Regulations (NPDWRs or primary standards) are legally enforceable standards that apply to public water systems. Primary standards...
  • Federal

    Contaminant Candidate List 1    recent views

    U.S. Environmental Protection Agency —

    CCL 1 is a list of contaminants that are currently not subject to any proposed or promulgated national primary drinking water regulations, that are known or...
  • Federal

    Contaminant Candidate List 3    recent views

    U.S. Environmental Protection Agency —

    CCL 3 is a list of contaminants that are currently not subject to any proposed or promulgated national primary drinking water regulations, that are known or...
  • Federal

    Contaminant Candidate List 2    recent views

    U.S. Environmental Protection Agency —

    CCL 2 is a list of contaminants that are currently not subject to any proposed or promulgated national primary drinking water regulations, that are known or...
4 datasets found

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