{"id":"91aa2f05-7cd2-411e-b47f-0c1657ee0287","created_at":"2025-09-04T14:35:11.260Z","updated_at":"2026-01-20T20:58:37.999Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"77fe220d-cc92-4229-8218-e5b1447ad389","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-05-18T16:00:00.000Z","observed_at_local":"2016-05-18T12:00:00-04:00","notes":"Sample: B16-14533-32","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/165350","readings":[{"id":"08d0bef4-03ce-4aae-8be3-8104f301ce99","created_at":"2025-09-04T14:35:11.345Z","updated_at":"2025-09-04T14:35:11.345Z","parameter":"total_phosphorus","unit":"ppb","value":"14","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"8f46f979-e461-4f9e-9ffc-0bccfc5e9093","created_at":"2025-09-04T14:35:11.368Z","updated_at":"2025-09-04T14:35:11.368Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"430","equipment":"lab_unspecified","equipment_limit":null}]}