Ecotrust distributing $30 million tax credits to new markets

A news item courtesy of Northwest Natural Resource Group:

Northwest Receives Millions in Federal Tax Credits

The U.S. Treasury has selected Ecotrust to allocate $30 million in new markets tax credits to innovative initiatives that create economic, social and environmental benefit in the Northwests rural and disadvantaged communities.

http://www.timberbuysell.com/Community/DisplayNews.asp?id=5520

I wonder what qualifies as a disadvantaged community these days?