TABLE 7.

Nitrated-PAHs in commonly found roadway particulates (Ozaki et al., 2010)

	Concentration (ng/g)
Nitrated PAH	Diesel exhaust	Gasoline exhaust	Tire debris	Asphalt paste
9-Nitroanthracene	2,468	<17	1,706	8.58
1-Nitropyrene	27,660	129	5,117	<0.01
1,3-Dinitropyrene	144	6	<0.6	<0.05
1,6-Dinitropyrene	155	<17	3	<0.16
1,8-Dinitropyrene	128	<17	2	<0.16
2-Nitrofluoranthene	195	<17	<2	<0.16
3-Nitrofluoranthene	3,154	<2	<0.02	<0.02
6-Nitrochrysene	<12	<17	<2	<1.60

Bold type highlights those substances that are potentially useful biomarkers of diesel exhaust exposure.