. Author manuscript; available in PMC: 2010 Jul 1.

Published in final edited form as: Anal Bioanal Chem. 2009 May 12;394(5):1413–1421. doi: 10.1007/s00216-009-2825-6

Table 2.

Ambient concentration estimates for polycyclic aromatic hydrocarbons (ng m⁻³) at the suburban home reference site

Polycyclic aromatic hydrocarbons	Concentration (ng m⁻³)		Ratio
	Indoor	Outdoor	O/I
Fluorene	<0.03	0.48
Phenanthrene	1.2	1.8	1.5
Fluoranthene	0.45	0.68	1.5
Pyrene	0.25	0.42	1.7
Benz[a]anthracene	<0.03	0.023
Chrysene	0.030	0.069	2.3
Benzo[b+k]fluoranthene	<0.03	0.028

O outdoor ambient concentration estimate, I indoor ambient concentration estimate, benzo[b+k]fluoranthene benzo[b]fluoranthene and benzo[k]fluoranthene