Table 3.

Atmospheric concentrations of parent PAHs (ng/m³) in Hanoi and Brisbane

	Hanoia Sep, 2011	Brisbane b Dec, 2012	Ratio of air PAH concentrations, Hanoi/Brisbane	Ratio of summed metabolites of each parent PAH, Hanoi/Brisbanec
Fluorene	1.88	0.42	4.47	5.45
Phenanthrene	8.17	1.21	6.77	5.33
Pyrene	3.70	0.48	7.64	6.29

^aPhong et al., 2012

^bWang et al., 2013

^ccalculated from this study