metadata:
  name: "EPA Very Hard Reconstituted Water"
  date_sampled: "Standard Template"
  source_document: "EPA-821-R-02-012"
  notes: "Official EPA WET Testing baseline. Target Hardness: 280-320 mg/L. Target pH: 8.0-8.4."

properties:
  pH:
    value: 8.2
  alkalinity:
    value: 235.0
    unit: "mg/L CaCO3"

ions:
  Ca:
    value: 56.0
    unit: "mg/L"
  Mg:
    value: 48.4
    unit: "mg/L"
  Na:
    value: 105.2
    unit: "mg/L"
  K:
    value: 8.4
    unit: "mg/L"
  SO4:
    value: 325.6
    unit: "mg/L"
  Cl:
    value: 7.6
    unit: "mg/L"
  HCO3:
    value: 278.8
    unit: "mg/L"