{"id":"b769b15b-be16-4ac2-a796-d58a7de66fde","created_at":"2025-09-04T14:35:11.588Z","updated_at":"2026-01-20T20:58:38.359Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"77fe220d-cc92-4229-8218-e5b1447ad389","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-08-11T16:00:00.000Z","observed_at_local":"2016-08-11T12:00:00-04:00","notes":"Calcium: 32.3, Sample: B16-23881-7","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["total_phosphorus","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/165352","readings":[{"id":"ea28e003-8bbd-4929-a3cc-4b6059ac8787","created_at":"2025-09-04T14:35:11.653Z","updated_at":"2025-09-04T14:35:11.653Z","parameter":"total_phosphorus","unit":"ppb","value":"12","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"7d95259a-81c9-40c3-84c3-f6f6769a0f09","created_at":"2025-09-04T14:35:11.666Z","updated_at":"2025-09-04T14:35:11.666Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"600","equipment":"lab_unspecified","equipment_limit":null}]}