"I think for us,we've already developed a successful paid-for model, which is working very well for us,".

VOA: standard.2009.12.05

"Well,there are three basic paths they can go through. The first one is the Standard Model, which is basically the theory of what we know now.

VOA: standard.2010.03.05

"This model essentially assesses how well (stormwater practices) work in a new way.

VOA: standard.2010.08.04