Table 3.

Mean initial and final aliphatic and aromatic fraction concentration changes in soils A and B after 112 days of treatment.

Soil	Hydrocarbons		To	T112 days
mg kg−1	NA		BioS		G + BioS		BioS + BioA
mg kg−1	% loss	mg kg−1	% loss	mg kg−1	% loss	mg kg−1	% loss
Soil A	Aliphatic fractions	>C8-C10	2.78	0.78	72	0.17	94	0.76	73	0.42	85
>C10-C12	8.56	4.42	48	0.9	99	6.15	28	2.82	67
>C12-C16	115	37.9	67	13.9	88	44.7	61	26.7	77
>C16-C35	11,000	3500	68	1230	89	4090	63	2400	78
>C35-C40	2720	818	70	904	67	861	68	991	64
Total	13,800	4360	68	2150	84	5000	64	3420	75
Aromatic fractions	>C8-C10	0.27	ND	100	ND	–	ND	–	ND	–
>C10-C12	1.54	0.41	73	0.34	78	0.35	77	0.22	86
>C12-C16	15.5	1.9	88	1.49	90	3.29	79	1.15	93
>C16-C21	10.2	1.5	85	0.64	94	1.68	84	0.42	96
>C21-C35	ND*	ND	ND	ND	ND	ND	ND	ND	ND
Total	27.5	3.81	86	2.47	91	5.32	81	1.82	93
Soil B	Aliphatic fractions	>C8-C10	2.34	0.23	90	0.14	94	–	–	0.1	96
>C10-C12	20.5	4.4	79	1.76	91	–	–	1.2	94
>C12-C16	198	62.7	68	14.1	93	–	–	11.2	94
>C16-C35	4840	1440	70	300	94	–	–	214	96
>C35-C40	1010	560	45	192	81	–	–	121	88
Total	6070	2070	66	508	92	–	–	348	94
Aromatic fraction	>C8- C10	29.6	7.02	76	5.66	81	–	–	4.82	84
>C10-C12	24.9	6.2	75	5.36	79	–	–	4.88	80
>C12-C16	1830	177	90	70.3	96	–	–	82.3	96
>C16-C21	840	183	78	118	86	–	–	112	87
>C21-C35	43.1	10.3	76	8.45	80	–	–	5.23	88
Total	2770	384	86	208	93	–	–	209	92

Note: *ND = Not detected.