I am not expert but Burnttoast is absolutely correct in my opinion. I do have a little expertise in this area, cough, cough.

Maybe you should have been a little more low profile about your problem and used a prosthetic device for substitution delivery? Of course in some jurisdictions itā??s a crime in and of itself to be caught attempting to pass a substitute sample but Iā??m assuming this wasnā??t an observed collection anyway.