{"id":"f14251d8-daa5-47a0-906c-da23435eb217","created_at":"2025-08-22T14:13:03.806Z","updated_at":"2025-12-31T15:35:09.311Z","owner_id":"664dcd70-668a-4580-9623-0d4c6d93177e","location_id":"3819c5bb-980a-4a76-a88d-b475e33a305e","dataset_id":"8fab2d4a-8dc3-4bc5-b85d-f2f07ce3110a","form_id":"9c389913-9d2c-4c9d-a605-da03de4c57b4","observed_at":"2024-04-25T10:50:00.000Z","observed_at_local":"2024-04-25T11:50:00+01:00","notes":"Dissolved Phosphate (ug/L) = 28\r\nAmmoniacal Nitrogen (ug/L) = 21","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["oxygen","nitrates","phosphates","total_suspended_solids_tss"],"photos":[],"readings":[{"id":"4b352c6b-d38f-4be2-904e-c4c330938b07","created_at":"2025-08-22T14:13:03.935Z","updated_at":"2025-08-22T14:13:03.935Z","parameter":"nitrates","unit":"mg_l","value":"10.4","equipment":"lab_test_nitrates_other","equipment_limit":null},{"id":"160477a1-79db-4af7-bc7c-ca86dd5624cb","created_at":"2025-08-22T14:13:03.954Z","updated_at":"2025-08-22T14:13:03.954Z","parameter":"phosphates","unit":"mg_l","value":"0.03","equipment":"hanna_checker_phosphates_low_range","equipment_limit":null},{"id":"a1da0405-0ceb-420b-ac39-2cc805c71d3f","created_at":"2025-08-22T14:13:03.970Z","updated_at":"2025-08-22T14:13:03.970Z","parameter":"total_suspended_solids_tss","unit":"mg_l","value":"75","equipment":"lab_test_gravimetric_method","equipment_limit":null},{"id":"dfc33419-dd43-4d57-9054-dadc345b5f8e","created_at":"2025-08-22T14:13:03.927Z","updated_at":"2025-11-19T15:20:47.406Z","parameter":"oxygen","unit":"mg_l","value":"10","equipment":"lamotte_dissolved_oxygen_mg_l","equipment_limit":">="}]}