Idon'tknow

A freind came to me with a question so I hope you can help! The is 33 and 6'2 and weighs about 245-255 and he has not smoked since May of last year and inthe end of July beging of Aug. of this year he was a bad month and smoked one -two hit of the good stuff for about three weeks but not everyday and now he has a hair test with in a month for a job but has not smoked in about three weeks. What are the chances he would pass? What can he do? He can pass a pee test. Please help he Needs this job. Thanks so much.They take hair from head groin and arm pit.