Figure 1
From: Is the smokers exposure to environmental tobacco smoke negligible?
BaP daily dose from environmental sources versus BaP dose from mainstream of daily smoked cigarettes. Figure shows linear correlation between daily dose of Env-BaP and MS-BaP dose of 15 non-smoking and 15 smoking newsagents, in Genoa, during 1998. MS-BaP dose was estimated from mean BaP content in FFL cigarettes mainstream [1]. Dotted curves define 95% confidence limits, according uncertainty of measured BaP air concentrations and variability of BaP quantity estimated in mainstream of FFL cigarettes sold in U.S. and Italian market, from 1995 and 2000.