Pot and cocaine use up among workers, drug tests show

The number of Hawaii workers and job applicants testing positive for marijuana soared 25 percent in the first quarter compared with the same period a year earlier, according to a report released yesterday by Diagnostic Laboratory Services Inc.

Three percent of workers tested in the first three months of 2011 had used pot, up from 2.4 percent in the first quarter of 2010, the company said. The data were derived from 7,000 to 10,000 drug samples each quarter.

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