{"id":"08d7b15a-84f3-4385-ab11-b5039fe5ace0","created_at":"2025-09-04T14:35:36.876Z","updated_at":"2026-01-20T20:58:55.350Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"97e2b5e9-a8e0-4910-b4fa-865c08568f1d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-07-18T16:00:00.000Z","observed_at_local":"2016-07-18T12:00:00-04:00","notes":"Sample: B16-20940-1","checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 4.8mg/L is outside the expected range of 5.84-13.12mg/L.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["oxygen","total_phosphorus","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/165450","readings":[{"id":"f53486cc-5471-4be7-aeaa-d6942a07f6e1","created_at":"2025-09-04T14:35:36.960Z","updated_at":"2025-09-04T14:35:36.960Z","parameter":"oxygen","unit":"mg_l","value":"4.8","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"e934fce1-1e0e-43bc-be6c-afbda56ce9de","created_at":"2025-09-04T14:35:36.972Z","updated_at":"2025-09-04T14:35:36.972Z","parameter":"total_phosphorus","unit":"ppb","value":"9","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"a9bc2782-3124-4814-9f01-0569c8dce910","created_at":"2025-09-04T14:35:36.993Z","updated_at":"2025-09-04T14:35:36.993Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"250","equipment":"lab_unspecified","equipment_limit":null}]}