1.   Players must pass three random drug screenings.

2.   As drug screening becomes more pervasive in the workplace, at schools and among athletes, drug tests are becoming more sophisticated and easier to comply with.

3.   As for the drug testing, Street said his company retested all the replacement drivers and immediately dismissed the three who did not pass the alcohol and drug screening.

4.   Brazil is reluctant to let plant samples be taken to the United States, so the National Cancer Institute does its drug screening on Brazilian plants there.

5.   But Weld himself has done nothing to require convicted drug offenders on probation to submit to regular drug screening.

6.   Drug screening takes a considerable amount of time, Clapp said.

7.   Gravelle said he especially objected to the drug screening, in large measure because mandatory programs like this have not proved effective.

8.   In his post, Collazo was not subject to any drug screening as members of the Police Department routinely are, officials said.

9.   She also does random drug screening.

10.   She never failed a drug screening.