{
  "data_label": "synthetic_demo",
  "source_filename": "synthetic-water-results.json",
  "records": [
    {"sample_id":"DEMO-W1","sample_date":"2026-08-01","site":"Demo Farm","zone":"Well head","laboratory":"Synthetic Example Laboratory","matrix":"irrigation_water","analyte":"electrical_conductivity","value":1200,"qualifier":"exact","units":"uS/cm","method":"Conductivity cell; reported at 25 C","context_key":"Raw well water before treatment","source_row":2},
    {"sample_id":"DEMO-W2","sample_date":"2026-08-15","site":"Demo Farm","zone":"Well head","laboratory":"Synthetic Example Laboratory","matrix":"irrigation_water","analyte":"electrical_conductivity","value":1.5,"qualifier":"exact","units":"mS/cm","method":"Conductivity cell; reported at 25 C","context_key":"Raw well water before treatment","source_row":3},
    {"sample_id":"DEMO-W1","sample_date":"2026-08-01","site":"Demo Farm","zone":"Well head","laboratory":"Synthetic Example Laboratory","matrix":"irrigation_water","analyte":"pH","value":7.4,"qualifier":"exact","units":"pH","method":"Glass electrode","context_key":"Raw well water before treatment","source_row":4},
    {"sample_id":"DEMO-W2","sample_date":"2026-08-15","site":"Demo Farm","zone":"Well head","laboratory":"Synthetic Example Laboratory","matrix":"irrigation_water","analyte":"alkalinity","analyte_basis":"CaCO3 equivalent","value":null,"qualifier":"unknown","units":"mg/L","method":null,"context_key":"Raw well water before treatment","uncertain_fields":["value","method"],"extraction_confirmed":false,"source_row":5}
  ]
}