Sorry, but I couldn't open your link ("page can not be displayed")........I am interested in seeing it.
My point, however, was not in the quantity, but that there is no way to determine the source. As I said, nicotine is nicotine is nicotine, regardless of the source.
It's a pdf document, you either have to open in with acrobat reader (free) or save it and open it off line with acrobat reader.