{"id":"4177e7ae-c8f2-40b6-98ba-7e3455524261","created_at":"2025-09-04T14:34:51.745Z","updated_at":"2026-01-20T20:58:19.190Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d505faf7-60c7-4539-b6da-a4818d092d7d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-10-25T16:00:00.000Z","observed_at_local":"2016-10-25T12:00:00-04:00","notes":"Sample: B16-33861-11","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/165242","readings":[{"id":"f052d3be-27d2-4a28-a35a-c5d41eeb68a3","created_at":"2025-09-04T14:34:51.826Z","updated_at":"2025-09-04T14:34:51.826Z","parameter":"total_phosphorus","unit":"ppb","value":"7","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"20cbcb71-fe4d-4163-8376-0c7903f0d956","created_at":"2025-09-04T14:34:51.873Z","updated_at":"2025-09-04T14:34:51.873Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"360","equipment":"lab_unspecified","equipment_limit":null}]}