3.3. Laboratory Batch Results
For the ten batches analyzed, LOD (ng/mg) ranged from 0.014–0.18 (mean LOD: 0.034, median LOD: 0.038). One batch had an LOD of 0.18 and another of 0.09. All other batches had LODs between 0.01 and 0.05. A histogram of hair mass can be found in 