[
{
  "pwsid": "OH6801212",
  "sample_id": "OH67260",
  "primacy_agency_code": "OH",
  "epa_region": "05",
  "sar_id": 18960988,
  "contaminant_code": "PB90",
  "result_sign_code": null,
  "sample_measure": 0.00244,
  "unit_of_measure": "mg/L"
},
{
  "pwsid": "OH6801212",
  "sample_id": "OH75418",
  "primacy_agency_code": "OH",
  "epa_region": "05",
  "sar_id": 20135342,
  "contaminant_code": "PB90",
  "result_sign_code": null,
  "sample_measure": 0.0025,
  "unit_of_measure": "mg/L"
},
{
  "pwsid": "OH6801212",
  "sample_id": "OH84858",
  "primacy_agency_code": "OH",
  "epa_region": "05",
  "sar_id": 21469563,
  "contaminant_code": "PB90",
  "result_sign_code": null,
  "sample_measure": 0.0008,
  "unit_of_measure": "mg/L"
},
{
  "pwsid": "OH6801212",
  "sample_id": "OH89224",
  "primacy_agency_code": "OH",
  "epa_region": "05",
  "sar_id": 22599552,
  "contaminant_code": "PB90",
  "result_sign_code": null,
  "sample_measure": 0.001,
  "unit_of_measure": "mg/L"
}
]