21.   Two Chinese world champion swimmers tested positive in the FINA-administered tests -- Yang Aihua for excessive levels of testosterone and Lu Bin for excessive DHT.

22.   After learning they had been exposed to thallium, they underwent preliminary tests at a local hospital that showed some had excessive levels of thallium in their bodies.

23.   Brash cited an example of a bank extending an excessive level of loans to a shareholder and almost breaking the capital-adequacy ratio.

24.   But investigations later revealed that inspectors at the company had previously warned of the excessive levels.

25.   Cyclists will undergo blood tests this year to determine whether they have excessive levels of red blood cells in their system.

26.   Excessive levels of UV radiation cause skin cancer in humans and can damage many plants and animals.

27.   Germany stopped nuclear shipments last May after excessive levels of radiation leaked from containers arriving by rail at reprocessing plants in France and Britain.

28.   If the test shows an excessive level of red blood cells, the rider is not allowed to take part in the race.

29.   Italian cyclist Claudio Chiappucci was barred from the Tour de Romandie race Thursday after a blood test showed excessive levels of red blood cells in his system.

30.   It would have been her first serious race since being cleared to run following a suspension for excessive levels of testosterone.