TABLE 3.

The concentrations of seven OH-PAHs in the urine sample (μg/L).

	N	P25	Median	P75	Range
2-OH NAP	302	0.020	0.058	0.142	0.001–130.485
1-OH NAP	302	0.009	0.027	0.049	0.000–2.888
3-OH FLU	302	0.015	0.025	0.044	0.000–0.733
2-OH FLU	302	0.019	0.032	0.062	0.000–0.840
2-OH PHE	302	0.044	0.092	0.187	0.002–2.146
1-OH PHE	302	0.001	0.006	0.027	0.000–0.365
1-OH PHY	302	0.002	0.015	0.049	0.000–1.674
ΣOH PAH1	302	0.199	0.348	0.713	0.030–133.67

¹Sum of the seven hydroxy-metabolites of PAHs.