Table 2.

Summary of the density-adjusted urinary biomarkers from 27 occupationally exposed miners

	Avg. ± Std. Dev	Median	Maximum	Percentiles
				25th	75th
PAH metabolites (ng mL−1)c
2-Nap	4.20 ± 2.85	3.89	8.90	1.80	7.35
ΣOH-Flua	0.53 ± 0.5	0.36	2.52	0.25	0.70
ΣOH-Pheb	1.64 ± 1.16	1.29	6.97	1.09	1.66
1-OH-Pyr	0.51 ± 0.72	0.31	4.02	0.27	0.48
Other biomarkers (ng mL−1)c
4-HNE-MA	89 ± 63	83	226	40	135
8-oxodG	8.1 ± 3.5	7.3	18.3	5.6	9.1
3-HPMA	1000 ± 820	790	3170	450	1160

Individual urinary concentrations are presented in Table S4

^aSum of 2- and 3-OH fluorene

^bSum of Σ2,3-OH phenanthrene, 1-OH phenanthrene and 4-OH phenanthrene

^cThe urinary metabolites were adjusted for urine density