I am in the middle of a custody battle and have been voluntarily taking drug tests. I take adderoll and there have been arguments about the levels in my tests and i try to explain that it has a half life of 10-12 hours and depending on when you take your medication vs the times of the test - these factors can account for the variances and the consistency of the range should be what is important. Are there any documemts out there that can confirm what the normal range is for 40 mg daily and 60 mg daily?