Can someone who knows more about this than I do put those numbers in context? Was she smoking in the tunnel before the race? Second hand smoke 2 weeks before her race?This article says:
After the London Olympics, international regulators relaxed the threshold for what constitutes a positive test for marijuana from 15 nanograms per milliliter to 150 ng/m. They explained the new threshold was an attempt to ensure that in-competition use is detected and not use during the days and weeks before competition.
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Sprinter Sha’Carri Richardson tests positive for marijuana, will miss Olympic 100
She tested positive at the Olympic trials and so her result is erased. Fourth-place finisher Jenna Prandini is expected to get Richardson’s spot in the 100.www.kcrg.com