Distribution and Fractional Composition of Petroleum Hydrocarbons in Roadside Soils

Table 2

Concentrations of individual components (in mg kg⁻¹ soil) of selected soil samples.

	Traktorostroiteley avenue					M18		Pushkinskaya street
	Windward			Leeward		Windward	Leeward	Leeward
Distance from road (m)	1	6	60	1	1	1	1	1	15	40	100
Soil depth (cm)	0.5	0.5	0.5	10	15	0.5	0.5	0.5	0.5	0.5	0.5
TPH (GC-MS)	268	287	197	1919	1395	1273	3798	1185	312	453	108
Phenanthrene	0.39	0.62	0.79	4.90	1.07	0.67	13.7	2.49	1.76	1.35	0.10
Naphthalene						0.12				0.11
Acenaphthylene							10.5		0.11
Acenaphthene									0.19
Fluoranthene	0.29	0.87	0.50	7.38	2.97	0.41	43.4	2.44	0.85	0.41	0.29
Pyrene	0.14	0.59	0.26	4.07	1.62	0.19	25.9	1.43	0.51	0.18	0.16
Benzo(a)anthracene				2.10	0.85		19.8	0.66	0.19
Chrysene	0.08			1.99	0.67		24.0	0.76	0.20		0.05
PAH Sum	0.90	2.08	1.55	20.4	7.18	1.39	137	7.77	3.81	2.04	0.59
n-Pentadecane	0.15				0.17	0.23	0.78		0.25	0.33
n-Hexadecane	0.38	1.04		3.21	1.15	1.20	6.85		1.25	1.79
n-Heptadecane		0.60		1.73	0.55	0.83	7.14		1.58	1.20
n-Octadecane	0.73	1.20		4.15	1.26	2.04	20.4		4.02	2.18
n-Nonadecane	0.36			2.64		0.96	19.4		1.72	1.44
Icosane	0.39	1.23		3.98	1.01	1.79	11.8		2.58	1.23
Heneicosane	0.62	1.09		8.06	3.93	3.65	16.7		7.11	1.24
Docosane	1.45	0.62	2.67	38.1	21.4	16.7	8.45	49.2	10.5	2.59	1.19
Tricosane	2.53		2.28	91.4	52.4	48.8			3.76	4.08	2.28
Tetracosane	3.41	0.16	1.25	119	72.1	89.4	12.1		2.70	5.20	3.33
Pentacosane	4.46	0.63	0.25	111	70.0	101		15.6	4.10	6.39	3.61
Hexacosane	4.49	0.32	0.69	89.2	60.0	95.4		20.1	3.12	7.14	3.29
Heptacosane	5.57	1.23	0.18	57.5	40.6	65.2		25.9	3.77	8.31	2.58
Octacosane	4.32	0.66	1.04	29.7	23.3	36.9		27.6	1.76	7.95	1.45
Nonacosane	6.15	3.90	0.41	2.21	13.1	19.8	197	29.0	3.57	10.6	1.25
Triacontane	3.47	0.64	1.08	7.01	6.24	9.05		24.3	0.87	7.74	0.78
Hentriacontane	4.65	4.85	0.15	5.71	4.30	7.28	111	23.1	5.05	10.8	0.76
Dotriacontane	1.29		5.65	2.23	1.87	4.02	33.0	15.8		4.82
Tritriacontane	1.43		11.3	2.24	1.07	2.44	21.4	14.3		4.71
Tetratriacontane	2.10		3.20	3.70	1.54	1.03		6.29	1.31	2.57
Pentatriacontane	2.68					0.93		1.47	1.39	1.33
UCM	216	267	165	1316	1012	763	3194	914	248	357	87
%UCM	81	93	84	69	73	60	84	77	79	79	80

Empty cells: below detection limit (PAH: 0.05 mg kg⁻¹; alkanes: 0.15 mg kg⁻¹); UCM: unresolved complex mixture [14].