{"id":"51a60305-0edb-4e6c-93d3-dffe4b8903ba","created_at":"2025-09-04T14:35:14.419Z","updated_at":"2026-01-20T20:58:39.765Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"a0b61a70-4f9d-4255-9cdc-16e359f70eda","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: B16-17964-7","checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 7mg/L is outside the expected range of 7.36-10.38mg/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/165360","readings":[{"id":"ab18468d-6671-4bec-bc0f-3c88ec6df807","created_at":"2025-09-04T14:35:14.576Z","updated_at":"2025-09-04T14:35:14.576Z","parameter":"oxygen","unit":"mg_l","value":"7","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"632e5acc-df6d-4fdd-8267-ce0a89d472b9","created_at":"2025-09-04T14:35:14.592Z","updated_at":"2025-09-04T14:35:14.592Z","parameter":"total_phosphorus","unit":"ppb","value":"11","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"db608642-c2bf-4ff6-b879-aab74985e957","created_at":"2025-09-04T14:35:14.726Z","updated_at":"2025-09-04T14:35:14.726Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"390","equipment":"lab_unspecified","equipment_limit":null}]}