Dear Prof. Luis Marin
Thanks a lot for your respond. I would be very grateful if you could
provide me with ref. or any Info in this regard.


Dr. H. Baalousha
Aachen University of Technology
Aachen, Germany
--- In hydrologymodel@..., "Luis E Marin" <lmarin@m...>
wrote:
> Some people have used nitrogen isotopes, other have used major ion
ratios to
> differentiate between wastewater and agricultural sources.
> I can try to dig up some references if you want more information.
> Luis
>
> Prof. Luis E. Marin
> Chair, Water Network
> Mexican Academy of Sciences
>
> Instituto de Geofísica
> Universidad Nacional Autónoma de México
> Cd. Universitaria
> México, D.F., México
> CP 04510
>
> Telephone +52 555 622 4212
>
> Mobile +52 555 418 10 00
> Fax +52 555 550 2486
>
> For large files, please email them to: lmarin@g...
>
>
>
> [Non-text portions of this message have been removed]