{"id":"e4039aca-d36f-481b-8ff3-af61988161f3","created_at":"2025-09-04T14:35:04.394Z","updated_at":"2026-01-20T20:58:30.279Z","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":"2016-05-13T16:00:00.000Z","observed_at_local":"2016-05-13T12:00:00-04:00","notes":"Sample: B16-14533-16","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/165305","readings":[{"id":"55c8b79b-02e7-453b-8131-0067d38f93e9","created_at":"2025-09-04T14:35:04.502Z","updated_at":"2025-09-04T14:35:04.502Z","parameter":"total_phosphorus","unit":"ppb","value":"14","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"526adec2-8fbb-4d7e-b3fd-4a0ccb9b0c35","created_at":"2025-09-04T14:35:04.517Z","updated_at":"2025-09-04T14:35:04.517Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"310","equipment":"lab_unspecified","equipment_limit":null}]}