{"id":"3300a69c-9dfd-440f-b4c2-5f5637d1ce23","created_at":"2025-09-04T14:35:25.142Z","updated_at":"2026-01-20T20:58:49.996Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"2833af66-59dd-4867-b8f5-3ba3cdb2152f","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-05-13T16:00:00.000Z","observed_at_local":"2016-05-13T12:00:00-04:00","notes":"Sample: B16-33861-7","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/165419","readings":[{"id":"7ecd95d9-f77e-4c11-a8ea-fb84c5536197","created_at":"2025-09-04T14:35:25.201Z","updated_at":"2025-09-04T14:35:25.201Z","parameter":"total_phosphorus","unit":"ppb","value":"7","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"029df5d1-4d28-4da2-8dd5-0e2c3792debe","created_at":"2025-09-04T14:35:25.211Z","updated_at":"2025-09-04T14:35:25.211Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"280","equipment":"lab_unspecified","equipment_limit":null}]}