Skip to main content

Table 3 Levels (µg/g) of organochlorine in bed sediment of Aiba stream

From: Downstream assessment of chlorinated organic compounds in the bed-sediment of Aiba Stream, Iwo, South-Western, Nigeria

Location

α-BHC

β-BHC

δ-BHC

Lindane

Chlorothalonil

Heptachlor

Heptachlor epoxide(B)

α-Endo sulfan

β-Endo sulfan

Endosulfan sulfate

(a)

SS1

0.11 ± 0.05a

0.11 ± 0.09a

0.09 ± 0.00a

1.54 ± 1.74a

0.16 ± 0.00a

0.10 ± 0.06a

0.43 ± 0.61a

0.05 ± 0.00a

0.06 ± 0.01a

0.06 ± 0.08a

SS2

0.17 ± 0.01a

0.24 ± 0.07a,b

0.24 ± 0.22a,b

1.37 ± 1.87a

0.09 ± 0.13a

0.08 ± 0.09a

Nd

1.16 ± 1.61a

0.45 ± 0.24a

Nd

SS3

0.14 ± 0.06a

0.10 ± 0.09a

0.27 ± 0.25a,b

13.81 ± 16.44a

0.20 ± 0.01a

0.23 ± 0.27a

0.42 ± 0.59a

0.22 ± 0.27a

0.49 ± 0.45a

Nd

SS4

0.50 ± 0.29a

0.69 ± 0.34b

0.61 ± 0.00b

10.45 ± 1.11a

0.25 ± 0.03a

0.62 ± 0.55a

0.36 ± 0.42a

0.03 ± 0.03a

0.14 ± 0.18a

0.06 ± 0.08a

Mean ± SD

0.23 ± 0.20

0.29 ± 0.29

0.30 ± 0.24

6.79 ± 8.60

0.18 ± 0.08

0.26 ± 0.33

0.30 ± 0.40

0.35 ± 0.80

0.28 ± 0.28

0.03 ± 0.05

Location

Aldrin

Dieldrin

Endrin

pp-DDD

pp-DDT

Lambda cyhalothrine

Cis-permethrin

Trans permethrin

(b)

SS1

0.14 ± 0.12a

0.05 ± 0.00a

0.04 ± 0.01a

0.01 ± 0.01a

1.04 ± 1.23a

4.57 ± 6.22a

1.79 ± 1.83a

54.73 ± 74.17a

SS2

0.29 ± 0.28a

0.07 ± 0.02a

0.03 ± 0.04a

0.14 ± 0.20a

12.58 ± 16.74a

77.75 ± 66.18a

Nd

102.21 ± 144.55a

SS3

0.16 ± 0.17a

0.24 ± 0.03a

0.04 ± 0.06a

0.14 ± 0.19a

4.74 ± 5.88a

38.52 ± 31.37a

Nd

359.43 ± 508.32a

SS4

1.19 ± 0.42b

0.03 ± 0.03a

0.08 ± 0.01a

0.02 ± 0.02a

0.40 ± 0.26a

14.56 ± 20.17a

1.31 ± 1.85a

986.41 ± 1392.90a

Mean ± SD

0.44 ± 0.51

0.04 ± 0.03

0.05 ± 0.04

0.08 ± 0.13

4.69 ± 8.49

33.85 ± 41.69

0.77 ± 1.29

375.70 ± 689.41

  1. Mean with different letter of the alphabet for each column are significantly different at (p < 0.05) from each other