Table 4

Sample	2-member rings of polyaromatics					3-member rings of polyaromatics			4-member rings of polyaromatics
Sample	Naph	Acena	Acenaph	Fluo	Total Conc. (%)	Ph.	Anth.	Total conc. (%)	Flu	Pyr	B (a) anth	Ch	Total conc. (%)
Control crude oil	0	0	0	0	0	0	0	0	67.77	0	0	2.67	70.44
B. licheniformis (B.l.)
Control crude oil + B.l.	18.9	22.87	0	0	41.77	0	0	0	4.12	0	1.15	9.03	14.3
Control crude oil + B.l. + biosurfactant (1)	9.96	0	0	0	9.96	0	0	0	6.13	0	2.42	3.19	11.74
Control crude oil + B.l. + CPVAF	0	0	0	0	0	0	0	0	69.24	0	0	0	69.24
Control crude oil + B.l. + CPVA	0	87.00	0.81	0	87.81	1.39	0	1.39	0.10	0	0.66	0	0.76
Rhodococcus erythropolis(R.e.)
Crude oil + R.e.	0	0	0	0	0	13.79	0	13.79	86.21	0	0	0	86.21
Crude oil + R.e. + biosurfactant (2)	0	0	0	0	0	0	20.28	20.28	5.7	0	2.13	0	7.83
Crude oil + R.e. + CPVAF	0	0	0	0	0	3.56	10.98	14.54	25.76	0	1.84	0	27.60
Crude oil + R.e. + CPVA	6.42	7.63	0	0	14.05	5.84	3.69	9.53	0.58	0.99	3.99	37.76	43.32
Psuedomonas xanthomarina(P.x.)
Crude oil + P.x.	29.57	20.56	0	9.42	59.55	0.14	0.22	0.36	2.68	20.87	3.68	0.10	27.33
Crude oil + P.x. + biosurfactant (3)	0	85.83	0	0	85.83	2.15	0	2.15	0	0	1.09	0	1.09
Crude oil + P.x. + CPVAF	0	0	0	0	0	0	0	0	52.46	0	0	0	52.46
Crude oil + P.x. + CPVA	6.08	1.12	0	0	7.2	1.08	0	1.08	0	7.20	29.55	17.68	54.43

Sample	5-member rings of polyaromatics					6-member rings of polyaromatics
Sample	B (b) flu	B (k) flu	B (a) pyrene	Dib (a,h)anth	Total conc. (%)	B (g,h,i) perylene	Indeno(1,2,3,-cd) pyrene	Total conc. (%)
Control crude oil	0	18.77	10.79	0	29.56	0	0	0
B. licheniformis (B.l.)
Control crude oil + B.l.	0	11.29	30.76	0.90	42.95	0	0.98	0.98
Control crude oil + B.l. + biosurfactant (l)	0	20.38	39.89	17.06	77.33	0.68	0.29	0.97
Control crude oil + B.l. + CPVAF	0	30.76	0	0	30.76	0	0	0
Rhodococcus erythropolis (R.e.)
Crude oil + R.e.	0	0	0	0	0	0	0	0
Crude oil + R.e. + biosurfactant (2)	4.44	6.89	60.56	0	71.89	0	0	0
Crude oil + R.e. + CPVAF	6.36	2.82	0	48.68	57.86	0	0	0
Crude oil + R.e. + CPVA	0	0.1	31.86	0.66	32.62	0.33	0.15	0.48
Pseudomonas xanthomarina (P.x.)
Crude oil + P.x.	2.6	3.23	4.83	0.99	11.65	0.60	0.49	1.09
Crude oil + P.x. + biosurfactant (3)	7.92	2.73	0.28	0	10.93	0	0	0
Crude oil + P.x. + CPVAF	17.57	29.97	0	0	47.54	0	0	0
Crude oil + P.x. + CPVA	0	0.69	36.60	0	37.29	0	0	0

Table 4: HPLC analysis of Polynuclar aromatics hydrocarbons distribution in crude oil after treatment by different bacterial strains, in presence/absence of each of biosurfactant and polymers (CPVAF & CPVA) separately.