{"id":"a5203f22-cdb2-469e-b301-9c5522933fcd","created_at":"2025-09-04T14:34:57.272Z","updated_at":"2026-01-20T20:58:25.433Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"0da9270e-33ab-4498-ab8d-9d80aa1ceed6","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-05-17T16:00:00.000Z","observed_at_local":"2016-05-17T12:00:00-04:00","notes":"Sample: B16-14533-22","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/165277","readings":[{"id":"726ed4a0-c7cd-45c3-b4eb-7c430e219929","created_at":"2025-09-04T14:34:57.308Z","updated_at":"2025-09-04T14:34:57.308Z","parameter":"total_phosphorus","unit":"ppb","value":"4","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"aa8ec15a-0507-4235-9484-edfcf156837e","created_at":"2025-09-04T14:34:57.314Z","updated_at":"2025-09-04T14:34:57.314Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"250","equipment":"lab_unspecified","equipment_limit":null}]}