{"id":"6d014f17-6d66-4342-8e95-489ee8e0e379","created_at":"2025-09-04T14:38:18.271Z","updated_at":"2026-01-20T21:01:32.621Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"a91e34b2-b3fd-4462-a7c6-0d43ba843e2a","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-05-09T16:00:00.000Z","observed_at_local":"2016-05-09T12:00:00-04:00","notes":"Sample: B16-14533-4","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/166290","readings":[{"id":"e765f186-2f88-430f-a10c-6a3e24438488","created_at":"2025-09-04T14:38:18.328Z","updated_at":"2025-09-04T14:38:18.328Z","parameter":"total_phosphorus","unit":"ppb","value":"6","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"66bb8609-38a5-4aff-ae02-e90b6e530b78","created_at":"2025-09-04T14:38:18.524Z","updated_at":"2025-09-04T14:38:18.524Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"280","equipment":"lab_unspecified","equipment_limit":null}]}