WADA says no plan to introduce clenbuterol threshold

Giro champion Alberto Contador with his winner's trophy.

Giro champion Alberto Contador with his winner's trophy. (Image credit: Bettini Photo)

The World Anti-doping Agency (WADA) refuted reports that its scientific experts may call for instituting a threshold level for the substance clenbuterol, for which Alberto Contador tested positive in the 2010 Tour de France.