Among the 74 test result record sheets of clenbuterol from Feb. to Oct. in 2005 he kept, 45 sheets had sample records exceeding the national standard of 1ppb. In the record sheet dated on July 5, 2005, 8 out of the 12 samples exceeded 1ppb; in the record sheet on Sept. 22, the Clenbuterol content of sample No. 9 reached 4.64ppb.