Quote:
Originally Posted by Matata
http://www.webmd.com/news/20100528/d...alse-positives
It's kind of a double edged sword, I know quite a few people who should have failed drug tests, but didn't. In my experience, people who should fail drug tests don't get caught ~95% of the time. In Alberta anyways.
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This article is too broad, it doesnt say whether its urine, hair or saliva testing or whether its an instant test or a lab based test (for urine and saliva)
There can be false positives for instant tests but a lab based test with an MRO review will not have a false positive.