ClearTest

EMIT

This is the most widely used test by employers because of its low cost. More than 95% of employers use this as an initial test. Manufactured by the Syva company, its accuracy is so suspect that the company itself recommends a more refined GC-MS test to confirm positive results. Because many employers don’t want to spend the $100 to $150 dollars charged for the GC-MS, employees have been fired on the results of the EMIT test alone. Courts have ruled that repetition of the EMIT test does not constitute confirmation of a positive drug finding.

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When Jack Dufficy, warden for Pennsylvania’s newly built Pike County prison, began hiring correctional officers and other personnel, he insisted that they all take hair-follicle tests for drug use.

Dufficy told the prison’s board of directors that it was a foolproof test to detect any of several drugs, including marijuana, cocaine, opiates, amphetamines and PCP. "In a urinalysis test, if somebody cleanses their body by abstaining for four or five days, their use of drugs would not be evident. In a hair test, we can get a history of drug use for up to three months prior to the test," he said.

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