Table 3.

PAH molecular diagnostic ratios (MDR) for PM_0.03–0.26, PM_0.26–1.6, and PM_1.6–40

MDR	PM0.03–0.26	PM0.26–1.6	PM1.6–40
An/(An + Ph)	0.67	0.30	–
Ph/(Ph + An)	0.33	0.70	–
Fl/(Fl + Py)	0.68	0.44	0.67
BaA/(BaA + Ch)	0.61	0.51	0.90
BaA/BaP	1.54	1.29	1.08
IP/(IP + BghiP)	–	0.33	–
BaP/BghiP	–	4.70	–