EPA released a final specification for flushing urinals on October 8, 2009.
http://www.epa.gov/watersense/specs/urinal_spec.htm
The EPA Watersense label will require 0.5 gallons or less.
http://www.epa.gov/watersense/specs/urinal_spec.htm
The EPA Watersense label will require 0.5 gallons or less.