{"id":"ded90c20-0a2a-435b-b0be-70ccabae93f6","created_at":"2025-09-04T14:38:07.791Z","updated_at":"2026-01-20T21:01:24.828Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"1ebfb618-4719-4336-8d7f-fa7b3215e501","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-07-04T16:00:00.000Z","observed_at_local":"2016-07-04T12:00:00-04:00","notes":"Sample: B16-19238-1","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["oxygen","total_phosphorus","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/166245","readings":[{"id":"246279cc-7682-4a6d-ba39-4f6d4e0f4642","created_at":"2025-09-04T14:38:07.857Z","updated_at":"2025-09-04T14:38:07.857Z","parameter":"oxygen","unit":"mg_l","value":"7","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"b5e4f1b1-560e-4374-981a-d8ec0258b7cf","created_at":"2025-09-04T14:38:07.870Z","updated_at":"2025-09-04T14:38:07.870Z","parameter":"total_phosphorus","unit":"ppb","value":"11","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"2a6c317a-dc67-4a3b-ae71-b952f02d3c8e","created_at":"2025-09-04T14:38:07.888Z","updated_at":"2025-09-04T14:38:07.888Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"460","equipment":"lab_unspecified","equipment_limit":null}]}