Yeah just in case you get a negative dillute and they ask you to come back in to retest.
killerweed420 Reviewed by killerweed420 on . Took home test & LabCorp test, haven't heard back - Am I Good? I need everyone's advice: I am 20 yrs. old, 5'9", 175 lbs. Fast metabolism. Exercise a lot. Smoked about every day for a year. Stopped on April 2nd, 2008. Took my LabCorp pre-employment test Tuesday, on May 8th, 2008. 36 day break from smoking. Also, passed a home test the night before my LabCorp test. Rating: 5