Adulteration Remains a Challenge to Urine Drug Testing

Addicts to abused drugs have great incentives to try to defeat drug tests, and they often use adulteration products. Because of the high profit margin, great customer demand, low cost of entry, and wide accessibility via the Internet, there are many manufacturers in this market. Not only do some of them employ innovative chemists, they also provide informative educational materials on their Web sites, which help the abusers understand how the drug-testing system works and how to defeat the tests. Although legislators in many states have banned adulterant-product sales, and guidelines for detecting their presence have been established, adulteration will remain a challenge to urine drug testing (see Chapters 13 and 14).

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