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Drug Testing

buttercup ยท 2013-04-02 23:42

I hope to get into the IUOE apprenticeship program.I'd like to know how far back does the hair follicle test go?

Replies2
  1. #1farmerleach2013-04-03 00:34

    Typically about 90 days.

  2. #2Cat287B2013-04-03 04:29

    To the scalp.