{"id":"7329c65e-fc75-4afd-b15c-63c9a881e2f3","created_at":"2025-09-04T14:34:51.604Z","updated_at":"2026-01-20T20:58:19.021Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d505faf7-60c7-4539-b6da-a4818d092d7d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-08-04T16:00:00.000Z","observed_at_local":"2016-08-04T12:00:00-04:00","notes":"Calcium: 26.7\r\nSample: B16-23115-3","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/165241","readings":[{"id":"b05774c1-8569-4864-93bb-402657336450","created_at":"2025-09-04T14:34:51.697Z","updated_at":"2025-09-04T14:34:51.697Z","parameter":"total_phosphorus","unit":"ppb","value":"6","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"6683af7a-ec93-44c2-9ee3-7422ed74e625","created_at":"2025-09-04T14:34:51.709Z","updated_at":"2025-09-04T14:34:51.709Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"340","equipment":"lab_unspecified","equipment_limit":null}]}