{"id":"2f93d891-1b6d-4934-94d0-98adfa962ea9","created_at":"2025-09-04T14:34:57.201Z","updated_at":"2026-01-20T20:58:25.155Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"0da9270e-33ab-4498-ab8d-9d80aa1ceed6","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-08-02T16:00:00.000Z","observed_at_local":"2016-08-02T12:00:00-04:00","notes":"Calcium: 5.53\r\nSample: B16-22866-1","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/165276","readings":[{"id":"6e88c017-2114-407b-8e9f-b45fb9b2a48f","created_at":"2025-09-04T14:34:57.235Z","updated_at":"2025-09-04T14:34:57.235Z","parameter":"total_phosphorus","unit":"ppb","value":"7","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"9268eeea-b02c-44b7-ab9c-bc76695d5d57","created_at":"2025-09-04T14:34:57.242Z","updated_at":"2025-09-04T14:34:57.242Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"430","equipment":"lab_unspecified","equipment_limit":null}]}