Amongst them was a guy named Miguel Del Toral, a water expert at the US EPA -- the Environmental Protection Agency -- who actually wrote this scientific memo and sent it to the state of Michigan and the federal government to bring their attention to this problem.
Entre eles, havia um cara chamado Miguel Del Toral, um especialista hídrico do US EPA, a Environmental Protection Agency, que escreveu um memorando científico e o enviou ao estado de Michigan e ao governo federal para chamar a atenção para o problema.