Regulation of cigarette emissions

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Abstract
Where consideration has been given to specific components of cigarettes, attention has tended to concentrate on tar and nicotine. Even then, it is not uniformly applied since, for example, it is still voluntary to put tar and nicotine yield information on cigarettes for sale in the USA. ‘Tar’ is a catch-all name for a wide range of chemicals which are generated in cigarette smoke. It is only recently that consideration has been given to having a clearer definition of what are the relative contributions of specific chemicals in cigarette smoke, and little attention has been given to the development of limits to their exposure In 1998 [1] we proposed a system for regulating toxins and carcinogens in cigarettes by the establishment of upper limits based on the median of the existing market. We illustrated this with data on nitrosamines from Poland, which was all that was available at the time. We believe that the system should be applied progressively to carcinogens and to other toxins until yields are a great deal lower than at present.

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