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Quest Diagnostics

3 posts
Michigan
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Michigan Drug Testing for Pot Ends for Most Government Employees

Michigan’s rule change that was adopted last July took effect on Sunday.
byBenjamin M. Adams
October 3, 2023
positive
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  • Legalization
  • News

Positive Cannabis Drug Tests in Workplace at the Highest in 25 years

The percentage of workers testing positive for cannabis has “historically elevated,” according to Quest Diagnostics.
byNicole Potter
May 22, 2023
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  • News
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Positive Drug Tests for Pot Hit All-Time High

Quest Diagnostics drug-tested over 11 million people during 2021, and you guessed it—many people failed.
byBenjamin M. Adams
April 28, 2022
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