{"id":"d80d1ed6-39a4-441a-b570-9c23c03430d5","created_at":"2025-09-04T14:38:16.651Z","updated_at":"2026-01-20T21:01:30.603Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"2d96c660-821b-487f-9657-b51237ac1e8a","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-07-26T16:00:00.000Z","observed_at_local":"2016-07-26T12:00:00-04:00","notes":"Calcium: 9.6\r\nSample: B16-22108-7","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/166279","readings":[{"id":"d824536c-db7c-4476-a718-eca261036a11","created_at":"2025-09-04T14:38:16.734Z","updated_at":"2025-09-04T14:38:16.734Z","parameter":"total_phosphorus","unit":"ppb","value":"4","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"c5f0c5ee-4ae9-499b-9372-a4ae62db91f6","created_at":"2025-09-04T14:38:16.746Z","updated_at":"2025-09-04T14:38:16.746Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"290","equipment":"lab_unspecified","equipment_limit":null}]}