{"id":"8ba4d60e-73b2-4893-bdee-a931eaa1ed5f","created_at":"2025-09-04T14:37:07.696Z","updated_at":"2026-01-20T21:00:31.762Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"26870f95-13cb-4e1c-bd23-47c14509d607","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-05-20T16:00:00.000Z","observed_at_local":"2016-05-20T12:00:00-04:00","notes":"Sample: B16-14533-37","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/165964","readings":[{"id":"3bacc994-9683-4851-8a73-783f9e618e01","created_at":"2025-09-04T14:37:07.805Z","updated_at":"2025-09-04T14:37:07.805Z","parameter":"total_phosphorus","unit":"ppb","value":"6","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"eb2b219b-1d10-4f90-9f34-912fc9571725","created_at":"2025-09-04T14:37:07.818Z","updated_at":"2025-09-04T14:37:07.818Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"220","equipment":"lab_unspecified","equipment_limit":null}]}