{"id":"e470abc7-9274-4265-b3ab-04dc742b4f30","created_at":"2025-08-19T22:03:04.103Z","updated_at":"2026-01-12T18:26:32.617Z","owner_id":"3374086e-2aa9-41b8-ac30-ae38ef75e4ce","location_id":"03f8fcba-22f8-406c-9957-17a6ef792628","dataset_id":"7698d945-ce28-4073-837f-208904be0ba7","form_id":"b625c94a-9dc1-4e78-9a71-88480f4ce4c4","observed_at":"2018-05-13T15:00:00.000Z","observed_at_local":"2018-05-13T11:00:00-04:00","notes":"Total Phosphorous is the mean of 6 measurements (3 measurements x 2 bottles, at the same location):\r\n- Bottle A: 4, 5, 8.\r\n- Bottle B: 7, 8, 6.\r\n\r\nLaboratory: Caduceon Labs (Ottawa)","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["phosphate_phosphorus"],"photos":[],"permalink":"https://data.waterrangers.com/observations/74249","readings":[{"id":"be7f510b-625c-4465-b848-91beaf49998e","created_at":"2025-08-19T22:03:04.169Z","updated_at":"2025-08-19T22:03:04.169Z","parameter":"phosphate_phosphorus","sub_question":null,"qualitative":false,"unit":"ug_l","value":"6.3","equipment":"lab_total_phosphorus_persulfate","equipment_limit":null}]}