epa02669759 (FILE) A file picture dated 08 August 2004 shows urine samples prepared for testing on the blood-booster EPO in the Swiss Laboratory for Analysis of Doping (LAD) in Lausanne, Switzerland. World anti-doping chiefs are considering scrapping the B sample in doping tests as a cost-saving measure. 'We could be saving a lot of money while the rights of the athletes would not be harmed,' David Howman, director general of the World Anti-Doping Agency (WADA), said in London on 04 April 2011. EPA/FABRICE COFFRINI