For urine tests, the standard cut-off level is usually around 50 ng/mL THC for initial screening although newer ultra sensitive THC urine drug tests can now detect levels as low as 20ng/ml THC , with confirmatory lab drug tests often set at low as 5 ng/mL THC
Never punch a hole through the cigar, that will cut the leaves inside which were rolled entirely for a better smoking
However, there are differences as well: the first cigar is extremely spongy while the other two are firm, the second cigar has more protruding veins, and the third cigar has a foot that is more of a square shape compared to the round feet of the other two cigars
You dont get any deeper or more expansive than that
Luck W, Nau H, Hansen R, Steldinger R (1985) Extent of nicotine and cotinine transfer to the human fetus, placenta and amniotic fluid of smoking mothers