[thackney]

If I remember right distillate is the first cut off of crude at atmospheric pressure.

No. There are several lighter fluids that would come off first. Below is a simplified version:

[wita]

from naptha to heavy gas oil on the left to the three times mention of gasoline on the right in my feeble mind needs further explanation, or why are there three different mentions of gasoline in the right hand column, how do they differ if they actually do differ. Same for diesel fuel and jet fuel mentioned twice at differing levels of the distillation tower.

Thanks for sharing your knowledge.