Levels of Organochlorine Pesticides in Brackish Water Fish from Niger River, Nigeria

Table 1

Certified reference material results (µg/kg dw).

Compound	SRM Fish homogenate
	SRM  Value	This Study	SD
α-HCH	0.79	0.61	0.09
β-HCH	0.75	0.82	0.04
γ-HCH	0.27	0.33	0.08
p'p’-DDT	3.00	4.50	0.75
p'p’-DDE	-	-	-
p'p’-DDD	-	-	-
Heptachlor	-	-	-
Heptachlor epoxide	0.99	0.88	0.06
Aldrin	-	-	-
Dieldrin	3.50	3.10	0.20
Endrin	1.90	1.45	0.23
Endosulfan I	3.50	3.08	0.21
Endosulfan II	1.40	1.09	0.15
Endo. sulfate	3.60	3.12	0.24
α-Chlordane	-	-	-
γ-Chlordane	0.70	0.65	0.03