DONT DILLUTE JUST SUBSTITUTE. Its very easy to substitute with quest or labcorp. The big thhing is TEMPERATURE! So practice, dillution is tricky. Just find some clean pee and practice with substitution.
stoutnstoli Reviewed by stoutnstoli on . Concerned - Being tested for the 1st time Hi all, Great site. I'm still concerned about my situation, as I'm being tested for the first time. I'm going to be tested for pre-employment on Monday 9/29 with Quest, and the test is a 6405 SAP 5-50 GC/MS. I'm scheduled to start employment on 9/30. Last time I smoked was on 9/20. Before that, I smoked on 9/13, and before that, it had been a couple of months. I'm not a heavy user, maybe .25g of weed each time. Essentially I'll have 9 days from the last day I smoked to the day of the Rating: 5