Congressional Budget Office Cost Estimate: H.R. 3290: September 11 Family Humanitarian Relief and Patriotism Act of 2009 [open pdf - 11KB]
This Congressional Budget Office (CBO) Cost Estimate provides information about H.R. 3290, which would "grant permanent U.S. residence to certain spouses and dependents of aliens who died in the terrorist attacks of September 11, 2001. Enacting this legislation could affect direct spending of immigration fees by the Department of Homeland Security and the cost of certain federal assistance programs."
Congressional Budget Office: http://cbo.gov