20 fevereiro 2003

CONTAMINANTES
Firms Offer Ways to Foil Drug Tests: Type "beat the drug test" into an Internet search engine, and you come up with more than 100 Web sites devoted to helping foil workplace drug screening.
It's part of a technology race, or as Barry Sample, director of science and technology at Quest Diagnostics Inc.'s Corporate Health and Wellness division, puts it, a marathon, pitting those who would defeat the screening against those who conduct it.