{"id":"6b439ea4-a085-48fb-9e93-f348df1498f0","created_at":"2025-09-04T14:35:15.256Z","updated_at":"2026-01-20T20:58:40.558Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"04f08cee-5d0f-4ae2-bc86-53309ea1379d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-05-12T16:00:00.000Z","observed_at_local":"2016-05-12T12:00:00-04:00","notes":"Sample: B16-14533-13","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/165365","readings":[{"id":"31beaddf-cc64-48d5-98f9-bea5b73291d3","created_at":"2025-09-04T14:35:15.324Z","updated_at":"2025-09-04T14:35:15.324Z","parameter":"total_phosphorus","unit":"ppb","value":"7","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"9460dd7a-0fcd-4346-a4aa-7fdb95c55f9d","created_at":"2025-09-04T14:35:15.336Z","updated_at":"2025-09-04T14:35:15.336Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"260","equipment":"lab_unspecified","equipment_limit":null}]}