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http://www.epa.gov/owmitnet/mtb/biortn.pdf (January 2006).
United States Environmental Protection Agency. September 1999. Infiltration
Trench. Storm Water Technology Fact Sheet. EPA 832-F-99-019.
http://www.epa.gov/owmitnet/mtb/infltrenc.pdf (January 2006).
United States Environmental Protection Agency. September 1999. Porous
Pavement. Storm Water Technology Fact Sheet. EPA 832-F-99-023.
http://www.epa.gov/owmitnet/mtb/porouspa.pdf (January 2006).
United States Environmental Protection Agency. September 1999. Vegetated
Swales. Storm Water Technology Fact Sheet. EPA 832-F-99-006.
http://www.epa.gov/owmitnet/mtb/vegswale.pdf (December 2005).
United States Environmental Protection Agency. September 1999. Wet Detention
Ponds. Storm Water Technology Fact Sheet. EPA 832-F-99-048.
http://www.epa.gov/owmitnet/mtb/wetdtnpn.pdf (February 2006).
United States Environmental Protection Agency. September 2004. Vegetated
Biofilters. Storm Water Best Management Practice Design Volume 2.