{"id":"d6193c45-0133-4849-b19a-fa40bb472fd1","created_at":"2025-09-04T14:34:56.405Z","updated_at":"2026-01-20T20:58:23.843Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"73153a7c-b84d-4ea0-8211-31ef7c2d2059","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-10-20T16:00:00.000Z","observed_at_local":"2016-10-20T12:00:00-04:00","notes":"Sample: B16-33861-1","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/165269","readings":[{"id":"cb0ef3bd-3a0c-4814-a65f-d763061d801c","created_at":"2025-09-04T14:34:56.479Z","updated_at":"2025-09-04T14:34:56.479Z","parameter":"total_phosphorus","unit":"ppb","value":"20","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"566c064c-90ab-43a7-a472-f903c1ced4b5","created_at":"2025-09-04T14:34:56.492Z","updated_at":"2025-09-04T14:34:56.492Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"510","equipment":"lab_unspecified","equipment_limit":null}]}