Figure 1

Linear relationships of CƩPAHs with foc (a), C(Ace) (b), C(Pyr) (c) or C(BaP) (d). Dashed lines in the plots are linear regressions.

Linear relationships of CƩPAHs with foc (a), C(Ace) (b), C(Pyr) (c) or C(BaP) (d). Dashed lines in the plots are linear regressions.