{"id":"ebb963d6-cf8e-4923-b783-b53507bd5ca6","created_at":"2025-09-04T14:35:06.440Z","updated_at":"2026-01-20T20:58:32.842Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"0ba1c122-b479-4638-8515-beda4c76bcee","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-08-09T16:00:00.000Z","observed_at_local":"2016-08-09T12:00:00-04:00","notes":"Calcium: 22.2\r\nSample: B16-23590-7","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/165319","readings":[{"id":"acda960c-0197-483a-ae5b-ffc2ea17f81a","created_at":"2025-09-04T14:35:06.499Z","updated_at":"2025-09-04T14:35:06.499Z","parameter":"total_phosphorus","unit":"ppb","value":"9","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"95f5b5cd-26c8-40bb-a60b-848a4fbbd867","created_at":"2025-09-04T14:35:06.508Z","updated_at":"2025-09-04T14:35:06.508Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"310","equipment":"lab_unspecified","equipment_limit":null}]}