"Just a month after he announced he had returned a non-negative test for DHEA at the 2009 USPRO TT championships, American rider Tom Zirbel has confirmed that his B-sample analysis is also positive. “As expected (though hope plays funny games with your mind), the 'B' sample of my urine has come back confirming the presence of an exogenous anabolic in my system from the Aug. 29, 2009 test,” Zirbel wrote on his online blog.
“I expect USADA to come back with a two-year sanction any day now but I'm tired of waiting for them so I decided to let everyone know what's going on.”
31 year-old Zirbel took his second-consecutive silver medal in the USPRO championships at the end of August, finishing behind Garmin’s Dave Zabriskie.
He then took fourth overall behind Zabriskie in the Tour of Missouri, going on from there to represent USA in the world championships in Mendrisio. He was fourth in the time trial, finishing 2’47 behind the winner Fabian Cancellara (Switzerland) and 17 seconds off the bronze medal of German’s Tony Martin..." contd.