{"id":"733a0980-66c8-4a18-b65b-fd7c32f5f1f8","created_at":"2025-09-04T14:34:53.511Z","updated_at":"2026-01-20T20:58:20.954Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"7404d7db-2581-42fb-893b-dd8202ef8a1b","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-10-16T16:00:00.000Z","observed_at_local":"2016-10-16T12:00:00-04:00","notes":"Sample: B16-31978-25","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/165253","readings":[{"id":"fad4609d-bf71-4638-8994-35a9e713acce","created_at":"2025-09-04T14:34:53.610Z","updated_at":"2025-09-04T14:34:53.610Z","parameter":"total_phosphorus","unit":"ppb","value":"9","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"87ff5d05-189a-48f2-9687-06ed340491e9","created_at":"2025-09-04T14:34:53.629Z","updated_at":"2025-09-04T14:34:53.629Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"570","equipment":"lab_unspecified","equipment_limit":null}]}