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Table 2 Bioaccumulation of PAHs in water, sediment and selected aquatic organisms in Ilase area of Snake Island

From: Bioaccumulation of polycyclic aromatic hydrocarbons, histopathological alterations and parasito-fauna in bentho-pelagic host from Snake Island, Lagos, Nigeria

Types of PAH

ng/g

ng/g

WC2

SC1

SC2

Ctr

Cn

PC

CC

SC

FC1

FC2

FC3

2–3 rings

NAP

NAP

0.3

245.76

39.5

0.02

0.53

0.35

0.06

0.56

0.44

0.47

0.47

ACP

ACP

0.97

2.08

3.09

0.04

0.02

0.02

0.01

0.02

0.07

0.12

0.1

ACE

ACE

0.06

0.68

0.59

0.06

0.08

0.07

0.01

0.09

0.67

0.07

0.59

FL

FL

2.17

3.71

6.91

0.11

0.61

0.94

0.09

0.68

0.5

0.69

0.47

PHE

PHE

0.81

7.96

6.97

2.2

1.82

1.96

0.77

1.84

0.89

0.86

0.82

SUM

3.89

3.26

293.02

57.06

3.84

3.12

3.48

1.24

3.30

2.90

2.50

2.74

4–6 rings

ANT

0.62

0.95

32.83

31.61

1.41

0.06

0.14

0.3

0.11

0.33

0.29

0.29

FLU

0.18

0.5

3.72

4.61

1.6

1.27

0.92

0.53

1.33

0.39

0.39

0.41

PYR

1.23

4.49

123.24

100.24

1.71

0.34

0.3

0.39

0.35

0.33

0.37

0.33

B(a)ANT

0.07

0.29

3.75

4.16

0.17

0.01

0.18

0.03

0.02

0.08

0.07

0.08

CHY

0.14

0.47

7.85

6.05

0.11

0.03

0.04

0.03

0.03

0.08

0.08

0.07

B(a)FLU

0.09

0.14

8.59

7

0.01

0.03

0.05

0.01

0.04

0.04

0.06

0.04

B(k)FLU

0.99

1.54

12.16

11.45

0.01

0.05

0.05

0

0.05

0.05

0.07

0.05

B(a)PYR

0.04

0.75

5.02

6.91

0.18

0.4

0.36

0.08

0.37

0.32

0.34

0.04

IN(cd)PYR

0

0.06

4.04

1.35

0

0.01

0.01

0

0.01

0.01

0.01

0.01

Di(ah)ANT

0

0.1

2.64

0.45

0.01

0.12

0.07

0.01

0.12

0.02

0.03

0.03

B(ghi)PYL

0.02

0.09

0.33

0.29

0.01

0.04

0.02

0

0.03

0.02

0.03

0.03

Sum

2.76

8.43

171.34

174.09

3.81

2.30

2.00

1.08

2.35

1.34

1.45

1.09

  1. Intervention values—PAHs > 40 mg/kg (sediment), > 70,000 ng/l (water)
  2. Target values—PAHs < 1 mg/kg (sediment), < 1000 ng/l (water)
  3. EGASPIN, 2002
  4. Naphthalene (NAP), acenaphthalyne (ACP), acenaphthene (ACE), fluorene (FL), phenanthrene (PHE), anthracene (ANT), fluoranthene (FLU), pyrene (PYR), benzo(a)anthracene [B(a)ANT], chrysene (CHY), benzo(b)fluoranthene [B(a)FLU], benzo(k)fluoaranthene benzo(a)pyrene [B(a)PYR], indeno(1,2,3-cd)pyrene [IN(cd)PYR], dibenzo(a,h)anthracene [Di(ah)ANT], Benzo(g,h,i)perylene [B(ghi)PYL]. WC1, WC2—community water; SC1, SC2—community sediment; Ctr, Cc—community parasites, trematode and cestode; PC, CC, SC—community prawn, crab and shrimp; FC1—Chrysichthys nigrodigitatus; FC2—Saratherodon melanotheron; FC3—Mugilis cephalus