{"tema_id":"503","string":"CARACTERIZACI\u00d3N DEL AGUA RESIDUAL","created":"2026-05-25 01:03:52","code":null,"notes":[{"@type":"Nota de alcance","@lang":"es","@value":"(Col.) Determinaci\u00f3n de las caracter\u00edsticas f\u00edsicas, qu\u00edmicas y biol\u00f3gicas de un vertimiento. "}]}