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What is done with the excess hair that is not tested?

April 26, 2017excess hair tested

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What is done with the excess hair that is not tested?

3 Answers

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The hair not used from the time period being tested and all remaining hair is stored in the chain-of-custody sample acquisition pouch. Negative hair is stored for approximately 1 month. Positive hair is stored for five years.

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The hair not used from the time period being tested (i.e. three months equals 3.9 cm) is stored in the chain-of-custody sample acquisition pouch. Hair is stored for a two year period.

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• What other drugs are available to be tested in hair drug testing analysis? • How fast does the hair on my head grow? • How long does my hair sample have to be? • What if my hair isnt long enough? • What if I would like to test for drugs back farther than 90 days? • How is hair drug testing for a longer timeframe done? • Will I be charged for the additional hair drug testing? • Can I use body hair instead of head hair for my drug test? • How should I differentiate head and body hair samples? • Can I give a mixed sample of head and body hair? • Is it possible to do two different hair drug tests with different hair length to determine the approximate length of drug use? • How sensitive are drug testing kits and what are the general drug cut off levels? • What are the average drug testing detection time periods by drug and test type? • How long does Marijuana stay in the body and is detectable a drug testing kit? • How long does Cocaine stay in the body and is detectable by a drug testin