[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Sewage treatment
FORWARDED MESSAGE:
>Date: Thu, 09 Oct 1997 18:20:03 -0600
>From: Marc Greidanus <greimj at uleth_ca>
>To: Aquatic-Plants at actwin_com
>Subject: phosphate pollution"s effects on the environment(statistics if
possible)
>
>Hello. I'm doing a class debate on the necessity of tertiary treatment
>in sewage treatment plants. Is it worth the cost?(and so on) It's my
>groups job to represent the environmentalist point of view. Do you have
>any arguments or good statistics I could use. If not that's okay but if
>so please answer very soon.
>