Dear Carlos Henrique, You ...
Published by Joelcio Saturnino, Environmental Business – Marketing & Sales
Dear Carlos Henrique,
You can find a very interesting summary of the technologies applicable to this situation in the document found at http://groundwaternitrate.ucdavis.edu/files/139107.pdf.
This document is based on a real case in California.
I hope it can help you.
Best regards.