{"id":"1d3e9626-b09c-4304-915d-4be137bcafcb","created_at":"2025-09-04T14:34:43.362Z","updated_at":"2026-01-20T20:58:17.244Z","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":"2016-05-19T16:00:00.000Z","observed_at_local":"2016-05-19T12:00:00-04:00","notes":"Sample: B16-14533-33","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/165230","readings":[{"id":"79a45044-ab9f-4414-ac97-bb11551768d3","created_at":"2025-09-04T14:34:43.420Z","updated_at":"2025-09-04T14:34:43.420Z","parameter":"total_phosphorus","unit":"ppb","value":"3","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"06e707bf-d4c2-41d4-a0f9-c8114218eecd","created_at":"2025-09-04T14:34:43.468Z","updated_at":"2025-09-04T14:34:43.468Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"300","equipment":"lab_unspecified","equipment_limit":null}]}