{"id":"43e09568-6b67-414b-9310-12f941ce273f","created_at":"2025-09-04T14:34:43.229Z","updated_at":"2026-01-20T20:58:17.056Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"7404d7db-2581-42fb-893b-dd8202ef8a1b","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-08-24T16:00:00.000Z","observed_at_local":"2016-08-24T12:00:00-04:00","notes":"Calcium: 32.5\r\nSample: B16-25516-3","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/165229","readings":[{"id":"ead2d719-b641-41a8-9ebc-a6fdfd19a0fb","created_at":"2025-09-04T14:34:43.320Z","updated_at":"2025-09-04T14:34:43.320Z","parameter":"total_phosphorus","unit":"ppb","value":"15","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"3720b3e3-5704-42ba-ae57-c6c75bfe0f57","created_at":"2025-09-04T14:34:43.333Z","updated_at":"2025-09-04T14:34:43.333Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"710","equipment":"lab_unspecified","equipment_limit":null}]}