Pervious concrete can slow runoff pollution

[Carlos]

Interesting story about Maryland and concrete...

http://www.hometownannapolis.com/new...pollution.html

[FLORIN]

Pretty cool stuff. A deli/creamery that I frequent has the parking lot done with this stuff. Moss is starting to grow pretty bad though.

[Lenny Schrecengost]

Here is a test you can do on previous concrete to determine when it needs cleaned. I read another artical somewhere about maintaining it but I cannot find it now

http://www.concreteresources.net/......s_Concrete.doc