U.S. Anti-Doping Agency (USADA)

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Day: April 2, 2010

US Cycling Athlete, Zirbel, Receives Sanction For Violation

April 2, 2010 USADA announced today that Tom Zirbel of Boulder, Colorado, an athlete in the sport of cycling, has tested positive for a prohibited substance and has accepted a suspension for his doping offense. Zirbel, 31, provided a urine sample on August 29, 2009, at the PRO Road Championships, held in Greenville, South Carolina.

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