{"id":"daf6b29a-8864-4351-99dc-7f7206b5493e","created_at":"2025-09-04T14:35:40.387Z","updated_at":"2026-01-20T20:58:57.015Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"0abcb704-6f5b-43ae-87a0-29f9f6ed0e20","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-05-27T16:00:00.000Z","observed_at_local":"2016-05-27T12:00:00-04:00","notes":"Sample: B16-14533-54","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/165460","readings":[{"id":"5642d31a-bf7a-4147-a0ae-ba06465dc373","created_at":"2025-09-04T14:35:40.446Z","updated_at":"2025-09-04T14:35:40.446Z","parameter":"total_phosphorus","unit":"ppb","value":"9","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"f8967409-e7e2-4595-a3fa-b8cec28e4679","created_at":"2025-09-04T14:35:40.469Z","updated_at":"2025-09-04T14:35:40.469Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"230","equipment":"lab_unspecified","equipment_limit":null}]}