{"id":"52648dc8-aff7-4d3c-b164-e4dd40de8444","created_at":"2025-09-04T14:38:08.678Z","updated_at":"2026-01-20T21:01:25.774Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"67ea6bee-ecb4-441d-88b2-a43a256b3906","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-10-06T16:00:00.000Z","observed_at_local":"2016-10-06T12:00:00-04:00","notes":"Sample: B16-31978-37","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/166251","readings":[{"id":"48d29c2a-ae9d-48a6-8603-3727a441bc08","created_at":"2025-09-04T14:38:08.735Z","updated_at":"2025-09-04T14:38:08.735Z","parameter":"total_phosphorus","unit":"ppb","value":"9","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"c8cad5c1-0090-4505-a9d0-faef4e0ffe4b","created_at":"2025-09-04T14:38:08.750Z","updated_at":"2025-09-04T14:38:08.750Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"340","equipment":"lab_unspecified","equipment_limit":null}]}