Fig. 1

The mean concentration levels of PAHs (ng/L) in traditional and fruit-flavored burnt tobacco leachates (n = 10) as well as seawater (n = 10). The deference among the concentrations in three leachate types was significant (p-value>0.05).

The mean concentration levels of PAHs (ng/L) in traditional and fruit-flavored burnt tobacco leachates (n = 10) as well as seawater (n = 10). The deference among the concentrations in three leachate types was significant (p-value>0.05).