First, you made a slight miscalculation or mispoke. 15 mls out of 60 mls would not be 15% it would be 25%. Read the reply I made, number 8 down, in this thread to a girl in a very similar situation. You would change the calculation to 3000/15 or a level of 200 ng/ml. If your urine was below this number you should pass if your amounts are correct.

http://boards.cannabis.com/showthread.php?t=77492
FakeBoobsRule Reviewed by FakeBoobsRule on . S.O.S. did my methodS work? Hello my fellow smokers:} Here is what i did: the first drug screen: Drank Vale- followed all instructions - sample was sent to lab...i was asked to submit another sample. I am thinking the dilution method saved me time and gave me another chance. the 2nd (2 days later): I drank pectin w/2 qt. water, then drank Vale an hour later. 2 1/2 hours later: I then used the substition method and topped off w/ my pee. The pee was frozen and I thawed in a cup of hot water, I then added a small Rating: 5