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Will exposure to passive marijuana smoke result in a positive marijuana test?

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Perhaps the most common excuse subjects give to explain their positive marijuana test might be, “I was around some people who were smoking pot.” Research has shown, however, that casual exposure to marijuana smoke will not produce a positive test. A person really has to work at being exposed to “passive” smoke to create a positive test. Very close confinement without ventilation with several smokers for a period of over an hour may result in a low, but measurable amount of marijuana.

ABOUT ALCOPRO

Since 1982, AlcoPro has supplied and manufactured the most accurate drug and alcohol testing instruments, kits, and supplies for professional use. We take pride in maintaining our industry-wide reputation for accuracy and quality as we help you—our top priority—perform alcohol and drug screenings and tests with greater precision and confidence.

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