Your levels will only fluctuate depending on how diluted your specimen is. If you haven't been smoking, there is a finite amount of THC metabolites in your system and its only a matter of time before they are gone. The level won't go up if you haven't been smoking, it can only go down. The only way it will go up between two tests is if you were more dilute on the first than the second.
dejayou30 Reviewed by dejayou30 on . 5 Drug Screens in a Week (and Question) Okaaaayy... To make matters quick: I failed a random back in May, which has led to a ton of fun since then (a $300 rehab class, etc.) Luckily, my job said they'd rehire me in 30 days if everything worked out. So now, I'm to that point. The Dr. doing all the stuff is actually pretty cool, and told me I could take the first test to see if there was still anything left in my system (I'd been clean for 20 days... 5'10", 160 lbs, pretty high metabolism, work out halfway regularly, and I'm Rating: 5