11.   Le Monde newspaper reported for two straight days that minute traces of a corticosteroid, a banned anti-inflammatory drug, had been detected in his urine.

12.   Minute traces of toxins below those levels were not judged to be a health risk.

13.   Sando said the device was a much more powerful instrument and was able to detect minute traces of drugs, particularly anabolic steroids.

14.   The machines can detect minute traces of drugs taken months before urine samples are collected.

15.   The recovery effort continued Tuesday, with investigators combing the floor of the tunnel, searching for minute traces of human remains to help identify victims.

16.   Tobacco produced by two farmers last year was rejected by foreign buyers after analysis showed it contained minute traces of DDT, the Tobacco Research Board said.

17.   The technology uncovers more minute traces of drugs in samples provided by athletes and can perform some tests much faster than previous methods.