{"id":"7a2dc457-1b49-4e7b-9c05-5e9e0937ce08","created_at":"2025-09-04T14:37:02.760Z","updated_at":"2026-01-20T21:00:24.283Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"33c55ec7-9080-4406-8b1d-cdaae3708f62","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-06-21T16:00:00.000Z","observed_at_local":"2016-06-21T12:00:00-04:00","notes":"Sample: B16-17594-4","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["oxygen","total_phosphorus","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/165925","readings":[{"id":"f8fccd10-2c96-4232-9c9b-f227f68ed50d","created_at":"2025-09-04T14:37:02.869Z","updated_at":"2025-09-04T14:37:02.869Z","parameter":"oxygen","unit":"mg_l","value":"6","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"32966294-0837-47dc-98f5-5bd4a0d307fd","created_at":"2025-09-04T14:37:02.877Z","updated_at":"2025-09-04T14:37:02.877Z","parameter":"total_phosphorus","unit":"ppb","value":"10","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"c45b00af-70d1-4403-a068-5ae3055078f5","created_at":"2025-09-04T14:37:02.887Z","updated_at":"2025-09-04T14:37:02.887Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"320","equipment":"lab_unspecified","equipment_limit":null}]}