I once got a false positive that landed me in jail. I began taking a human growth hormone in pill form, made by Ultra Labs, in CA. That same day I was tested for rehab and was thrown in jail for a...
a sch II amphetamine might on a urine dip test, but if they run the GCGS (?) gas test, it will separate the meth d from the other, which is an i isonmer I think. I know the gas chromography will pick...