Table 9.

Diagnostic Ratio of Polycyclic Aromatic Hydrocarbons

Soil depth	LMW/HMW	Fla/(Fla + Pyr)	BaA/(BaA + Chr)	IcdP/(IcdP + BghiP)
0–15 cm
LLS1	0.55	0.50	0.52	0
LLS2	0.69	0.43	0.55	0
ISS1	0.59	0.49	0.55	0
ISS2	0.57	0.49	0.46	1.0
15–30 cm
LLS1	0.55	0.50	0.55	0
LLS2	0.65	0.44	0.53	0
ISS1	0.48	0.50	0.53	0
ISS2	0.51	0.49	0.52	0.37
Control	0.27	0.53	0.58	0

Abbreviations: Fla, fluoranthene; Pyr, pyrene; BaA, benz(a)anthracene; Chr, chrysene; IcdP, indeno(1,2,3-cd)pyrene; BghiP, benzo(g,h,i)perylen