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coda
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Registered: 04/20/08
Posts: 4,736
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Re: hair follicle drug tests [Re: still beLIEve]
#555042 - 05/12/11 06:44 PM (13 years, 9 months ago) |
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Quote:
Hair drug testing Hair drug testing can detect drug use over a much longer period of time,[17] which is often used for highly safety-critical positions where there is zero tolerance of drug usage.[18] Standard hair follicle screen covers a period of 30 to 90 days. The growth of hair is usually at the rate of 0.5 inches per month. The hair sample is cut close to the scalp and 80 to 120 strands of hair are needed for the test. In the absence of hair on the head, body hair can be used as an acceptable substitute.[17] Even if the person being tested has a shaved head, hair can also be taken from almost any other area of the body. This includes facial hair, the underarms, arms, and legs or even pubic hair. The claim that a hair test cannot be tampered with has been shown to be debatable. One study has shown that THC does not readily deposit inside epithelial cells so it is possible for cosmetic and other forms of adulteration to reduce the amount of testable cannabinoids within a hair sample.[10]
http://en.wikipedia.org/wiki/Drug_test#Hair_drug_testing
Just a quick little blurb if you haven't read it already.
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MFDoom666: sobriety kills my buzz every time.
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coda
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Registered: 04/20/08
Posts: 4,736
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Re: hair follicle drug tests [Re: Picklez]
#555079 - 05/12/11 09:15 PM (13 years, 9 months ago) |
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That's what the wiki article says, that there really is no concrete proof the test is beatable. But it does give some good information on how far back it can detect drugs in you hair.
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MFDoom666: sobriety kills my buzz every time.
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coda
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Registered: 04/20/08
Posts: 4,736
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saliva tests are the easiest things in the world to pass. They claim to be able to detect cannabis for 24 hours after use, but the window is more like 12.
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MFDoom666: sobriety kills my buzz every time.
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