I think you have had good ...
Published by Ademar Cesar Ferreira, Partner Director at H2O Engenharia Ltda EPP
I think you have had good recomendation. In Brazil there some agencies that are trying to fix some parameters and you could also look at CIRRA (Centro Internacional de Reuso de Ãgua) that is located at USP and there are also some parameters at FIESP and SINDUSCON - SP.