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View Full Version : Hair follicle test for marijuana. Results were 0.7pg/mg. What does that mean?

Shyne.Aholic
Aug 27, 2010, 10:08 PM
How often did they smoke? How much? How far does a hair follicle test go back?
beachloverjohn
Aug 28, 2010, 08:11 AM
Goes back 90 days
Shyne.Aholic
Aug 28, 2010, 08:20 AM
I know, but how much or how often did the smoke in order to get 0.7?