Table 2.

Mean concentration (mg/kg) of PAH on smoked fish species from markets in Southern, Nigeria.

	PAH (mg/kg)	CODE	Clarias gariepinus		Tilapia zilli		Ethmalosa fimbriata		Scomber scombrus
			MEAN	SD	MEAN	SD	MEAN	SD	MEAN	SD
*	Naphthalene	NaP	0.056	0.11	0.315	0.38	0.003	0.00	1.171	0.318
*	Acenaphthylene	AcPY	0.044	0.02	0.000	0.00	0.058	0.03	0.489	0.371
*	Acenaphthene	AcP	0.055	0.06	0.052	0.03	0.032	0.04	0.535	0.635
*	Fluorene	Flu	0.013	0.01	0.000	0.00	0.019	0.02	0.420	0.393
*	Phenanthrene	Phe	0.045	0.03	0.069	0.05	0.067	0.03	0.100	0.091
*	Anthracene	Ant	0.029	0.03	0.215	0.25	0.039	0.03	0.306	0.345
*	Fluoranthene	FL	0.012	0.01	0.030	0.06	0.008	0.01	0.176	0.157
*	Pyrene	Pyr	0.015	0.03	0.048	0.07	0.001	0.00	0.187	0.149
***	Benzo(a)anthracene	BaA	0.012	0.02	0.001	0.00	0.000	0.00	0.076	0.067
***	Chrysene	Chr	0.135	0.27	0.220	0.38	0.047	0.09	0.078	0.073
**	Benzo(k)fluoranthene	BkFL	0.000	0.00	0.000	0.00	0.000	0.00	0.040	0.060
***	Benzo(a)pyrene	BaP	0.204	0.20	0.000	0.00	0.288	0.23	0.007	0.013
***	Benzo(b)fluoranthene	BbFL	0.095	0.09	0.000	0.00	0.132	0.11	0.000	0.00
**	Indeno(1,2,3)pyrene	Ind	0.000	0.00	0.000	0.00	0.000	0.00	0.000	0.00
**	Dibenzo(a,h)anthracene	DBA	0.000	0.00	0.000	0.00	0.000	0.00	0.000	0.00
**	Benzo(g,h,i,)perylene	BP	0.000	0.00	0.000	0.00	0.000	0.00	0.000	0.00
	Total PAH	∑PAH	0.715	0.34	0.951	0.76	0.694	0.36	3.585	0.80
	Total Carcinogenic PAH	∑CPAHs	0.446	0.23	0.222	0.38	0.467	0.28	0.201	0.13

* Non-Carcinogenic PAHs.

** Carcinogenic PAHs.

*** Carcinogenic PAH and PAH used to derive the PAH4 Index.