Are all employee urine drug test done in a lab?

For example, is it possible for my employer to test me on the spot at the company location or will they send me to a lab to get it done? Or does it depend on the job? Lets say its a company like Walmart, Costco or BestBuy.
Anonymous User
Anonymous User
Asked Nov 20, 2014
Edited Nov 20, 2014
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Answered Apr 17, 2019

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