Polycyclic Aromatic Hydrocarbons in Soil and Vegetation of Niger Delta, Nigeria: Ecological Risk Assessment

Table 6

RQ_(NCs), RQ∑PAHs_(NCs), RQ_(MPCs), and RQ∑PAHs_(MPCs) values for PAH from different regions in the Niger Delta.

RQ(NCs)							RQ(MPCs)
	Uyo	Choba	Khana	Yenagoa	Eleme	Trans-Amadi		Uyo	Choba	Khana	Yenagoa	Eleme	Trans-Amadi
Nap	796	829	1	594	195	823	Nap	7.96	8.29	0.01	5.94	1.95	8.23
Acy	998	263	1	894	580	162	Acy	9.98	2.63	0.01	8.94	5.80	1.62
Ace	335	730	1	672	331	706	Ace	3.35	7.30	0.01	6.72	3.31	7.06
Flu	875	589	1	125	177	234	Flu	8.75	5.89	0.01	1.25	1.77	2.34
Phe	79	640	1	234	529	513	Phe	0.79	6.40	0.01	2.34	5.29	5.13
Ant	61.7	56.4	0.1	0.20	51.9	23.7	Ant	6.17	0.56	0.001	0.002	0.52	0.24
Flt	766	667	—	288	364	772	Flt	7.66	6.67	28.2	2.88	3.64	7.72
Pyr	907	382	1	99	157	988	Pyr	9.07	3.82	0.01	0.99	1.57	9.88
BaA	3.19	8.30	0.01	3.63	2.45	2.72	Baa	0.03	0.08	0.00	0.04	0.03	0.03
Cry	84.9	14.4	0.1	16.9	92.2	3.3	Cry	8.49	0.14	0.00	0.17	0.92	0.03
BbF	4.02	4.20	0.01	7.08	1.30	9.19	BbF	0.04	0.04	0.00	0.07	0.01	0.09
BkF	1.19	2.03	33.7	9.66	3.92	1.13	BkF	0.01	0.02	0.34	0.10	0.04	0.01
BaP	0.01	0.32	0.15	0.85	0.83	0.46	BaP	0.00	0.00	0.00	0.01	0.01	0.01
DahA	0.38	0.57	0.001	0.64	0.49	0.88	DahA	0.04	0.01	0.00	0.06	0.01	0.01
BghiP	66.2	72.3	1	72.3	10.3	74.3	BghiP	0.66	0.73	0.01	0.72	0.10	0.74
Ind	68.3	29.9	1	6.9	82.5	10.8	Ind	0.68	0.03	0.01	0.07	0.83	0.11
RQ∑PAHs(NCs)	5,045.9	4,288.4	2,858.8	3,024.1	2,578.9	4,324.4	RQ∑PAHs(MPCs)	50.5	42.9	28.6	30.2	25.8	43.2