Table 1.

Mean, median, minimum and maximum concentrations (in ng/m³) of each PAH compound at the two residential sites

PAHs	Dettenhausen (n = 52) : winter 2005/2006					Bechtoldsweiler (n = 36): winter 2006/2007
	Ring	MDL	Mean	Median	Range	Mean	Median	Range
Naphthalene (Nap)	2	0.17	0.08	0.07	0.02–0.4	0.04	0.02	0.011–0.32
Acenaphthene (Ace)	3	0.08	0.05	0.03	0.004–0.3	0.02	0.01	0.002–0.05
Acenaphthylene (Acy)	3	0.06	0.02	0.01	0.005–0.09	0.03	0.03	0.029–0.03
Fluorene (Fl)	3	0.12	0.10	0.08	0.01–0.4	0.02	0.01	0.001–0.07
Phenanthrene (Phe)	3	0.11	0.95	0.5	0.13–6.7	0.07	0.05	0.005–0.21
Anthracene (An)	3	0.06	0.2	0.07	0.004–1.3	0.02	0.01	0.001–0.16
Retene (Ret)	3	0.45	0.7	0.4	0.02–3.4	0.23	0.11	0.013–1.6
Fluoranthene (Flut)	4	0.41	2.9	1.4	0.22–19.07	0.4	0.27	0.034–2.1
Pyrene (Py)	4	0.45	2.3	1.5	0.18–23.8	0.5	0.31	0.033–2.3
Chrysene (Chr)	4	0.18	1.8	1.1	0.07–8.7	0.5	0.28	0.014–2.1
Triphenylene (Tpl)	4	0.18	0.3	0.2	0.03–1.4	ND	ND	ND
Benzo[a]anthracene (BaA)	4	0.17	2.3	1.4	0.19–10.5	0.7	0.40	0.032–2.9
Benzo[k]fluoranthene (BkF)	5	0.16	1.9	1.2	0.15–7.5	0.8	0.60	0.046–2.6
Benzo[b]fluoranthene (BbF)	5	0.12	1.9	1.3	0.14–8.3	0.7	0.49	0.051–2.4
Benzo[j]fluoranthene (BjF)	5	0.12	0.5	0.3	0.02–2.6	0.2	0.11	0.012–0.8
Benzo[e]pyrene (BeP)	5	0.12	1.5	0.8	0.12–6.4	0.6	0.45	0.041–1.9
Benzo[a]pyrene (BaP)	5	0.12	1.6	0.9	0.05–7.4	0.8	0.33	0.021–2.5
Perylene (Prl)	5	0.12	0.3	0.2	0.01–1.4	0.12	0.07	0.004–0.5
Dibenzo[a,h]anthracene (DBA)	5	0.11	0.2	0.2	0.02–0.9	0.13	0.11	0.022–0.4
Indeno[1,2,3-cd]pyrene (IP)	6	0.28	1.1	0.7	0.09–4.8	0.5	0.32	0.035–1.9
Benzo[ghi]perylene (BghiP)	6	0.37	1.6	0.9	0.12–7.4	0.7	0.45	0.004–2.3
Total PAHs			23.0	13.3	1.6–121.4	6.9	4.6	0.41–25.8
CarPAHsa			11.2	6.8	0.8–50.4	4.1	2.8	0.24–15.5
PAH(3,4)			11.7	6.7	0.8–74.7	2.5	1.5	0.12–10.6
PAH(5,6)			10.7	6.7	0.7–45.5	4.3	2.9	0.28–15.

PAHs, Polycyclic aromatic hydrocarbons; MDL, method detection limit (ng/m³); ND, not detected

^aCarcinogenic PAHs