{"id":"2e9681e9-497b-4133-8b6f-5692d54f5626","created_at":"2025-09-04T14:35:04.747Z","updated_at":"2026-01-20T20:58:30.805Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"57771647-63af-4cf8-abb3-0e6d73cc1257","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-09-28T16:00:00.000Z","observed_at_local":"2016-09-28T12:00:00-04:00","notes":"Sample: B16-31978-11","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/165308","readings":[{"id":"a8781c57-3ad6-4ca0-a1ab-616d0d9ebf9e","created_at":"2025-09-04T14:35:04.799Z","updated_at":"2025-09-04T14:35:04.799Z","parameter":"total_phosphorus","unit":"ppb","value":"21","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"cd8ceb6a-94ec-4b46-99dd-51e1fbfa08f5","created_at":"2025-09-04T14:35:04.850Z","updated_at":"2025-09-04T14:35:04.850Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"500","equipment":"lab_unspecified","equipment_limit":null}]}