The Need to Confirm Urine Drug Screens
May 18th, 2007 by Drug Screens Expert
A pH strip can help an employer to detect a urine sample that could give a false negative result. That fact has uncovered attempts by some employees to disguise their drug use during a number of urine drug screens. Yet a pH strip can not reveal the ability of a sample to give a false positive result. That is why employers are cautioned against a reliance on the results their urine drug screens. The following article provides details on the confirmatory tests that employers should turn to, in order to obtain the needed confirmation of a positive result from any drug screen. Read the rest of this entry »
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