Homeland Security Grants
http://www.dhs.gov/xopnbiz/grants/

Radiological Equipment Grants
http://www.chiefsupply.com/grants/opengrants.asp

FY 2007 Homeland Security Grant Program Guidelines
http://www.ojp.usdoj.gov/odp/grants_hsgp.htm

Grant Writing Tools
http://www.govspot.com/features/grants.htm