If your “field test” can’t tell the difference between methamphetamine and cat urine, then maybe it’s time to scrap that field test. And maybe you shouldn’t hold someone in jail for nearly two months while you sort out how brain-dead your field test is.
Derek's Rantings and Ravings 3.0
Derek Balling: The "Non-Aggression Principle" is my mantra
Derek's Rantings and Ravings 3.0 
Wow, and it two months to get a valid test result? That is Frightening.