Interesting study! I will have to take more time to look at it; as you said, it is pretty technical!
I recall Barry Sears stating that the best olive oils are imported, and that most American olive oils would not "make the grade" I have also heard him talk of the taste test, and that one should get a peppery sensation on the tongue (as Sue suggested). As I quickly read through the report, it seems to suggest the opposite, that most imported olive oils are falling short, and that there are some American brands that actually met the standard.
Will have to give it a better look when I have some time...