"Doing random testing -- someone could fall through the cracks, " Smith told CNN.
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But I think in a number of areas we now have got to conduct in some form of random testing.
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He suggests that random testing of the monitoring system to determine how much data it's collecting could help ensure the program avoids privacy violations.
Some union leaders were not satisfied with the random testing plan.
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Mr. DAVID EPSTEIN (Reporter, Sports Illustrated): And in 2002, Major League Baseball and the players union agreed that the following year, they would have mandatory, random testing.
And in key areas of transport where you've got people driving or flying things, there is now a requirement to a certain extent, to be involved in random testing.
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Vehicles will be prohibited from idling their engines for more than three minutes if parked near a school or a hospital, and cars will be subject to random testing for emissions compliance.
He revealed that 5% to 7% of players who agreed to random testing in 2003 wound up testing positive, though he figures the actual usage rate to be much higher, since drugs like Human Growth Hormone can't be detected in tests.
You are given the following information. (a) In random testing, you test positive for a disease. (b) In 5% of cases, this test shows positive even when the subject does not have the disease. (c) In the population at large, one person in 1, 000 has the disease.
The issue of drug tainted horse meat is more easily documented through the Thoroughbred Racing Industry due to the lip tattoos each Thoroughbred race horse is required to have, the post-race testing of the winner as well as some random testing as well as the public nature of horse racing.
Opinions in 1995 and 2001 allowed schools to conduct random drug testing of high school athletes, and those participating in other extracurricular activities.
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First and foremost, any citizen seeking any kind of financial assistance from the federal government should be required to submit to random drug testing.
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Last month, the BBC bought a total of 30 food products at random for testing from supermarkets, shops and butchers in Belfast and elsewhere in Northern Ireland.
One aspect of the Prison Service's drugs policy, random mandatory testing of up to 10% of the prison population each month, appears to be producing perverse results.
The coroner Keith Wiseman said a culture of drinking to excess had to stop, and recommended that a system of random alcohol testing for crew should be introduced.
Last fall, the Tennessee State Soccer Association became the first American youth sports organization, that anyone knows of, to require coaches to submit to random drug testing.
After Wednesday's talks, Irish Agriculture Minister Simon Coveney said the ministers had agreed to implement measures including random DNA testing of processed beef products across the European Union's 27 member states.
Random breath-testing is the norm across Australia, and the maximum breath alcohol is lower than in Britain.
The scientist says he likes something else, too in the past, most repellents were discovered just by testing random chemicals.
He said random alcohol and drugs testing of staff, which has been suggested by some as a solution, would not solve the problem.
"We've had testing now since 1978 and random tests at training grounds and matches, " he added.
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