Section II 
DR. RICKERT: I am not really quite sure whether it is a toxicological 
consideration or whether it is a chemistry consideration. If you take 
cholesterol, for example, in order to earn a label of cholesterol-free, there 
has to be a certain level. I mean in the instmment you can measure this 
level, but it is cholesterol-free if it is less than that level. So, I think the 
issue, from my point of view anyway is more of a chemical issue, rather 
than a toxicological issue. 
DR. FREEMAN: Dr. Shiftman? 
DR. SHIFFMAN: I would like to come back to an issue that I think we 
discussed but perhaps had not gotten closure on, which is the consumer 
information or misinformation that is conveyed outside the formal label in 
the form of brand names like "light" and "ultralight," and I guess what I was 
hearing from several people was a proposal that the use of those terms be 
regulated in a manner parallel to the FDA's recent regulations of such labels 
on foods. That is my own view — that those labels ought to be allowed. They 
have the potential to provide a smoker with meaningful information, but 
they should be regulated so that they represent a particular number or range 
in the ratings and so that they have a common meaning across brands and 
across manufacturers. I would like to hear other people address that issue. 
DR. FREEMAN: Dr. Hughes? 
DR. HUGHES: I think that is a good comment. Dr. Shiftman. Where I keep 
seeing the break is at .5. The ones less than .5 are different from those 
above .5. So I would like to see the categories only be on those that are 
less than .5 mg of nicotine with the comparable tar. 
DR. FREEMAN: I think the general question here is, should constituents 
other than tar, nicotine, and carbon monoxide be added to the protocol for 
testing? It sounds to me as though you have said that they should not be 
added for testing or, if testing is done, it should be done by either chemists or 
toxicologists but not in the same way as for the other three major substances. 
There is a question of whether certain substances should be listed in some 
way on the tobacco pack or in some other way, so the American public 
would know that there are harmful ingredients in tobacco other than the 
three elements. 
Let us try to get closure on that particular point before we go on. 
DR. GUERIN: I think that tar and nicotine and CO in terms of quantitative 
measurements are adequate. I have one question for Dr. Hoffmann. Of 
all of the constituents that might not necessarily correlate very well with 
tar, the N-nitrosamines stand out. Should we consider an N-nitrosamine 
measurement? 
DR. HOFFMANN: When you find another HCN, benzo(fl)pyrene, you will 
always get from our friends of the tobacco industry, "Yes, but this can come 
from air pollution." Carcinogens that derive from nicotine can come only 
from tobacco, and I think that should be cited. Benzo(a)pyrene comes from 
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