{
  "id": "sample-chesapeake-2026-cb001-001",
  "stationId": "CB-MON-001",
  "stationName": "Chesapeake Bay Main Stem Station CB-001",
  "collectionDate": "2026-04-15T09:30:00Z",
  "collectedBy": "Field Technician J. Smith",
  "location": {
    "latitude": 38.9897,
    "longitude": -76.4135,
    "datum": "WGS84"
  },
  "parameters": [
    {
      "name": "pH",
      "value": 7.8,
      "unit": "su",
      "method": "EPA 150.1",
      "qualifier": null
    },
    {
      "name": "Dissolved Oxygen",
      "value": 8.2,
      "unit": "mg/L",
      "method": "EPA 360.1",
      "qualifier": null
    },
    {
      "name": "Turbidity",
      "value": 12.5,
      "unit": "NTU",
      "method": "SM 2130 B",
      "qualifier": null
    },
    {
      "name": "Nitrate",
      "value": 0.45,
      "unit": "mg/L",
      "method": "EPA 353.2",
      "qualifier": null
    },
    {
      "name": "Total Phosphorus",
      "value": 0.032,
      "unit": "mg/L",
      "method": "EPA 365.3",
      "qualifier": null
    },
    {
      "name": "Chlorophyll-a",
      "value": 4.8,
      "unit": "ug/L",
      "method": "EPA 445.0",
      "qualifier": null
    }
  ],
  "labId": "LAB-CHESAPEAKE-ENV-001",
  "projectId": "proj-chesapeake-bay-monitoring-2026",
  "tags": ["Chesapeake Bay", "Water Quality", "Environmental Monitoring"],
  "created": "2026-04-15T14:22:00Z"
}