{"id":"6aff3a1f-dac8-4329-b12c-5c3f97f9f1af","created_at":"2025-09-04T14:34:52.675Z","updated_at":"2026-01-20T20:58:20.289Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"c4effd59-b233-43dc-b3fa-ede043bb705b","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-10-19T16:00:00.000Z","observed_at_local":"2016-10-19T12:00:00-04:00","notes":"Sample: B16-31978-67","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/165249","readings":[{"id":"a643f9b4-699e-47db-9c55-200ff16a2ba1","created_at":"2025-09-04T14:34:52.740Z","updated_at":"2025-09-04T14:34:52.740Z","parameter":"total_phosphorus","unit":"ppb","value":"23","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"a87e0876-7293-4ded-b612-55ab18b9bdc3","created_at":"2025-09-04T14:34:52.753Z","updated_at":"2025-09-04T14:34:52.753Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"470","equipment":"lab_unspecified","equipment_limit":null}]}