{"id":"438c4508-5d6c-4686-8367-a82fecfdec52","created_at":"2025-09-04T14:38:16.265Z","updated_at":"2026-01-20T21:01:30.140Z","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":"2016-05-24T16:00:00.000Z","observed_at_local":"2016-05-24T12:00:00-04:00","notes":"Sample: B16-14533-42","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/166277","readings":[{"id":"a5db3220-5e28-47d4-a210-67a646e486a6","created_at":"2025-09-04T14:38:16.322Z","updated_at":"2025-09-04T14:38:16.322Z","parameter":"total_phosphorus","unit":"ppb","value":"4","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"9c9105a6-19a9-4fe2-9891-6268cf49691f","created_at":"2025-09-04T14:38:16.333Z","updated_at":"2025-09-04T14:38:16.333Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"230","equipment":"lab_unspecified","equipment_limit":null}]}