Fellow smokers,

I've been trying to search the forum for a bit of clarification. Does a gc/ms confirmation re-test all substances or just those that failed initial ua? And if your thc isn't detected with the initial test does that give you a good chance of passing the GC/MS ?
Close2out Reviewed by Close2out on . Gc/ms question Fellow smokers, I've been trying to search the forum for a bit of clarification. Does a gc/ms confirmation re-test all substances or just those that failed initial ua? And if your thc isn't detected with the initial test does that give you a good chance of passing the GC/MS ? Rating: 5