{"id":"31a245fd-54f8-46d4-be45-dc242f499a87","created_at":"2025-09-04T14:35:11.694Z","updated_at":"2026-01-20T20:58:38.522Z","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":"2016-09-27T16:00:00.000Z","observed_at_local":"2016-09-27T12:00:00-04:00","notes":"Sample: B16-31978-7","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/165353","readings":[{"id":"6061228f-22da-4f7e-9e0e-4efc5dea3f7c","created_at":"2025-09-04T14:35:11.789Z","updated_at":"2025-09-04T14:35:11.789Z","parameter":"total_phosphorus","unit":"ppb","value":"12","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"f3736c41-fb8c-4646-a3c1-de9001bb5c7e","created_at":"2025-09-04T14:35:11.800Z","updated_at":"2025-09-04T14:35:11.800Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"600","equipment":"lab_unspecified","equipment_limit":null}]}