{"id":"7b3fb4e3-d94c-43ae-9dbb-a8055e77999c","created_at":"2025-09-04T14:34:56.108Z","updated_at":"2026-01-20T20:58:23.644Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"73153a7c-b84d-4ea0-8211-31ef7c2d2059","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-07-28T16:00:00.000Z","observed_at_local":"2016-07-28T12:00:00-04:00","notes":"Calcium: 11.7\r\nSample: B16-22308-6","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/165268","readings":[{"id":"43a197ca-3c92-4753-8f44-fdd93e619cf2","created_at":"2025-09-04T14:34:56.221Z","updated_at":"2025-09-04T14:34:56.221Z","parameter":"total_phosphorus","unit":"ppb","value":"9","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"dedacb2a-4af4-42ad-9e1a-56ce01db702c","created_at":"2025-09-04T14:34:56.375Z","updated_at":"2025-09-04T14:34:56.375Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"340","equipment":"lab_unspecified","equipment_limit":null}]}