Quote Originally Posted by ogganjagrower
explain why hes negative.
What is there to explain as to why synthetic urine controls can produce faint lines on an assay and score a 0 ng/ml reading on the confirmation GC/MS test? A negative is a negative.
Quote Originally Posted by ogganjagrower
it clearly states even the faintest line is a positive sample.
What brand of kit did you see this (without posting commercial links)?