I am wondering if someone can tell me what a 20 ng/ml result from a urine test means? is this low or high for marijuana?
I might be tested on 10/18/13 in the am. last somked on sun. 9/29/13. plan to not smoke until after the 18th do you think i will pee clean? only a once a week smoker. please any advice will be greatly appreciated.
I might be tested on 10/18/13 in the am. last somked on sun. 9/29/13. plan to not smoke until after the 18th do you think i will pee clean? only a once a week smoker. please any advice will be greatly appreciated.