Non-smoker exposure to secondhand cannabis smoke. I. Urine screening and confirmation results.

@article{Cone2015NonsmokerET,
  title={Non-smoker exposure to secondhand cannabis smoke. I. Urine screening and confirmation results.},
  author={Edward J. Cone and George E. Bigelow and Evan S. Herrmann and John M Mitchell and Charles P Lodico and Ronald R Flegel and Ryan Vandrey},
  journal={Journal of analytical toxicology},
  year={2015},
  volume={39 1},
  pages={1-12}
}
Increased cannabis potency has renewed concerns that secondhand exposure to cannabis smoke can produce positive drug tests. A systematic study was conducted of smoke exposure on drug-free participants. Six experienced cannabis users smoked cannabis cigarettes (5.3% THC in Session 1 and 11.3% THC in Sessions 2 and 3) in a sealed chamber. Six non-smokers were seated with smokers in an alternating manner. Sessions 1 and 2 were conducted with no ventilation and ventilation was employed in Session 3… CONTINUE READING
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