What about the wool bale concept?
Used in some places in New Zealand and Australia.
Local applications = Supermarket carparks, airports.

Peter Nagels.
Stormwater Engineer
Auckland. NZ.

Quoting chris <cjcanning@...>:

> Mike where is the project geographically? What about a filter bed with
> underground detention?
> Chris
>
> -----Original Message-----
> From: stormwaterpro@yahoogroups.com [mailto:stormwaterpro@yahoogroups.com]
> On Behalf Of mike_lefrancois
> Sent: Monday, February 06, 2006 6:39 PM
> To: stormwaterpro@yahoogroups.com
> Subject: [StormwaterPro] Nitrogen and Phosphorus removal BMP's
>
> I am looking into some alternatives for Nitrogen and Phosphorus
> removal from stormwater. Real estate is tight and we're generally
> lookign at vaults and piping. A vegetated pond is least desirable due
> to the real estate invovled, and groundwater is high such that
> infiltration is not likely effective. Are there off-the-shelf
> products such as inserts available that can treat generally urban
> runoff to 0.5 mg/L Nitrogen and 0.1 mg/L Phosphorus? I've had little
> luck locating a simple solution.
>
>
>
>
>
> Don't forget to use the StormwaterPro resources
> available at:
>
> http://www.egroups.com/group/stormwaterpro
>
> he StormwaterPro resources
> available at:
>
> http://www.egroups.com/group/stormwaterpro
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>
>
> Don't forget to use the StormwaterPro resources
> available at:
>
> http://www.egroups.com/group/stormwaterpro
>
> he StormwaterPro resources
> available at:
>
> http://www.egroups.com/group/stormwaterpro
>
>
> Yahoo! Groups Links
>
>
>