A spike try-out for drugs shows positive for cocaine & benzoylecgonine at 300pg/mg later within 60 days another oral exam?
after 60 more days it still shows positive for cocaine, why after 150 days can it still show positive if no use and they test for 90 days ?
can anyone explain why ? also the 2nd test only showed pos for cocaine not benzoylecgonine.
Answers:
It’s possible that drug could be detected up to three years,depending on the amount of pelt that the company takes.They longer they go back the more expensive the question paper.Generally Lab require a sample of hair that is going on for 1.5inches and every .5 inches corresponds to 30 days of history... so usually detection time for Hair drug Test is up to 90 days.Drugs such as benzo..., tend to lie down on the hair shaft tightly and do not usually migrate down the hair shaft. Cocaine will migrate.
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can anyone explain why ? also the 2nd test only showed pos for cocaine not benzoylecgonine.
Answers:
It’s possible that drug could be detected up to three years,depending on the amount of pelt that the company takes.They longer they go back the more expensive the question paper.Generally Lab require a sample of hair that is going on for 1.5inches and every .5 inches corresponds to 30 days of history... so usually detection time for Hair drug Test is up to 90 days.Drugs such as benzo..., tend to lie down on the hair shaft tightly and do not usually migrate down the hair shaft. Cocaine will migrate.
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