answer by Kees van Leeuwen ...

answer by Kees van Leeuwen about constructed wetland for treating leachate

Dear Jose

Yes probably you can.It will depend on the nature of the substances, e.g. water soluble persistent pesticides may not be degraded and reach the surface waters.  Other ionic compounds too.PBTs may be adsorbed onto solids or accumulate in the biomass, and will probably not make it into the surface waters directly

 

So you need to do a quick scan of your contaminants (water quality criteria and exposure concentrations of the main contaminants). You may need to go into historic files on the nature of the soil pollution. Determine what the bad guys really are and then you will have an answer on your question.

 

Best regards

Kees van Leeuwen

http://www.springer.com/environment/environmental+chemistry/book/978-1-4020-6101-1