{"id":"3ad94f6c-9bf9-4bb0-973e-251d0eb28d7a","created_at":"2025-09-04T14:38:17.954Z","updated_at":"2026-01-20T21:01:32.215Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"4bb1a0c1-d75f-46c5-9d11-3411c7ca2a76","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-05-17T16:00:00.000Z","observed_at_local":"2016-05-17T12:00:00-04:00","notes":"Sample: B16-14533-23","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/166288","readings":[{"id":"d52ac267-3e8a-41b1-9e6c-5204b3b73e4b","created_at":"2025-09-04T14:38:18.015Z","updated_at":"2025-09-04T14:38:18.015Z","parameter":"total_phosphorus","unit":"ppb","value":"4","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"fbd35cca-5102-42cf-8525-99566c638ede","created_at":"2025-09-04T14:38:18.022Z","updated_at":"2025-09-04T14:38:18.022Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"200","equipment":"lab_unspecified","equipment_limit":null}]}