The results and reputation of three-time Tour de France winner Alberto Contador of Spain hang in the balance after his spokesman announced Wednesday that Contador tested positive for a trace amount of clenbuterol, a banned substance most commonly prescribed as an asthma medication.
"The concentration found by the laboratory was estimated at 50 picograms (or 0,000 000 000 05 grams per ml) which is 400 times less than what the anti-doping laboratories accredited by WADA must be able to detect," the UCI statement said.
Well, that was fast. Article courtesy of the LA Times. I respect the LA Times absolutely zero when I read something like this on that site first, because I've gotten so much incorrect news from them, but ESPN.