{"id":"d6836de8-b545-4a5f-80a8-58fadf0014cf","created_at":"2025-09-04T14:35:58.433Z","updated_at":"2026-01-20T20:59:18.441Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"718dc75d-d1ef-45d8-9d35-4342e3f02705","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-07-19T16:00:00.000Z","observed_at_local":"2016-07-19T12:00:00-04:00","notes":"Sample: B16-21253-8","checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 4.3mg/L is outside the expected range of 6.48-12.92mg/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/165578","readings":[{"id":"663542e6-d153-4eae-845c-5e95c5a64100","created_at":"2025-09-04T14:35:58.532Z","updated_at":"2025-09-04T14:35:58.532Z","parameter":"oxygen","unit":"mg_l","value":"4.3","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"9b73e6c2-281c-4f9c-9132-bcfb6c1c29fa","created_at":"2025-09-04T14:35:58.543Z","updated_at":"2025-09-04T14:35:58.543Z","parameter":"total_phosphorus","unit":"ppb","value":"6","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"2c3f0978-32b8-4b1d-ba11-9351f88539b0","created_at":"2025-09-04T14:35:58.559Z","updated_at":"2025-09-04T14:35:58.559Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"280","equipment":"lab_unspecified","equipment_limit":null}]}