{"id":"310c9a7a-c889-463e-b3fd-841817911c5d","created_at":"2025-09-04T14:35:02.939Z","updated_at":"2026-01-20T20:58:28.985Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"aa23ae4a-3986-468b-9918-12b772a46462","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-07-07T16:00:00.000Z","observed_at_local":"2016-07-07T12:00:00-04:00","notes":"Sample: B16-19751-15","checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 6.6mg/L is outside the expected range of 7.6-10.4mg/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/165297","readings":[{"id":"9ec6460f-5861-4965-bef6-1ae0ed4b1591","created_at":"2025-09-04T14:35:02.998Z","updated_at":"2025-09-04T14:35:02.998Z","parameter":"oxygen","unit":"mg_l","value":"6.6","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"fdc6ec40-9ff5-473d-9f7f-dc34da095420","created_at":"2025-09-04T14:35:03.006Z","updated_at":"2025-09-04T14:35:03.006Z","parameter":"total_phosphorus","unit":"ppb","value":"25","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"a81da993-c0b7-4da7-9328-e88a641de09e","created_at":"2025-09-04T14:35:03.105Z","updated_at":"2025-09-04T14:35:03.105Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"500","equipment":"lab_unspecified","equipment_limit":null}]}