Controls are available in both positive and negative formats, and are used to demonstrate the results of urine based drug tests. A negative control will yield expected negatives on each panel, and the positive control will yield all positive results.

iControl Negative Control, 5 mL Cat. # 19470000
iControl Positive Control, 5 mL Cat. # 1947008-1

The Q.E.D. A150 Ethanol control is used as a performance control in the determination of alcohol in the saliva. The control contains an aqueous solution of ethanol with preservatives, and has an expected range of .075 to .130%.