metadata:
  name: "EPA Moderately Hard Reconstituted Water"
  date_sampled: "Standard Template"
  source_document: "EPA-821-R-02-012"
  notes: "Official EPA WET Testing baseline. Target Hardness: 80-100 mg/L. Target pH: 7.4-7.8."

properties:
  pH:
    value: 7.6
  alkalinity:
    value: 65.0
    unit: "mg/L CaCO3"

ions:
  Ca:
    value: 14.0
    unit: "mg/L"
  Mg:
    value: 12.1
    unit: "mg/L"
  Na:
    value: 26.3
    unit: "mg/L"
  K:
    value: 2.1
    unit: "mg/L"
  SO4:
    value: 81.4
    unit: "mg/L"
  Cl:
    value: 1.90
    unit: "mg/L"
  HCO3:
    value: 69.7
    unit: "mg/L"