Toxicology letters
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Personal air exposures and exhaled breath concentrations of 20 volatile organic compounds were measured for 198 smokers and 322 non-smokers in 5 U. S. cities (1980-84). ⋯ Homes with smokers had higher indoor air concentrations of the same compounds than homes without smokers during fall and winter. Passive smokers exposed at work had significantly higher levels of benzene and other aromatics in their breath than unexposed non-smokers.