{"id":"b93938a0-816b-4ce5-8f6b-66baba912264","created_at":"2025-09-04T14:34:52.772Z","updated_at":"2026-01-20T20:58:20.494Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"c4effd59-b233-43dc-b3fa-ede043bb705b","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-06-23T16:00:00.000Z","observed_at_local":"2016-06-23T12:00:00-04:00","notes":"Sample: B16-17964-9","checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 4.2mg/L is outside the expected range of 7.03-12.27mg/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/165250","readings":[{"id":"c71c66bb-ea27-4e4a-a65b-fc672198102a","created_at":"2025-09-04T14:34:52.828Z","updated_at":"2025-09-04T14:34:52.828Z","parameter":"oxygen","unit":"mg_l","value":"4.2","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"a1c73ce7-b38b-4c5d-b9bc-07fddb4a8db1","created_at":"2025-09-04T14:34:52.861Z","updated_at":"2025-09-04T14:34:52.861Z","parameter":"total_phosphorus","unit":"ppb","value":"12","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"8fb06fd9-77cb-467f-843a-3f00c83f990e","created_at":"2025-09-04T14:34:52.874Z","updated_at":"2025-09-04T14:34:52.874Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"320","equipment":"lab_unspecified","equipment_limit":null}]}