{"id":"28872005-87d0-4ced-aeca-73845b793bd9","created_at":"2025-09-04T14:35:06.702Z","updated_at":"2026-01-20T20:58:33.151Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"eaf1d8b7-fec8-437b-8c04-d52a76eafe6f","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-05-12T16:00:00.000Z","observed_at_local":"2016-05-12T12:00:00-04:00","notes":"Sample: B16-14533-12","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["total_phosphorus","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/165321","readings":[{"id":"89430044-d2af-433c-968c-26a8fe1f23dd","created_at":"2025-09-04T14:35:06.768Z","updated_at":"2025-09-04T14:35:06.768Z","parameter":"total_phosphorus","unit":"ppb","value":"8","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"7b6a2272-7ee3-47d1-a4fb-b71c7d19a4e0","created_at":"2025-09-04T14:35:06.780Z","updated_at":"2025-09-04T14:35:06.780Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"360","equipment":"lab_unspecified","equipment_limit":null}]}