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The Journal of Basic and Applied Zoology

Table 3 Bioaccumulation of PAHs in water, sediment and selected aquatic organisms in Ibasa area of Lagos Lagoon

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

WTF1

WTF2

STF1

STF2

TFtr

TFc

PTF

CTF

STF

TFF1

TFF2

TFF3

2–3 rings

NAP

531.31

545.55

52.18

232.49

0.51

0.2

0.41

0.52

0.02

0.17

0.15

0.16

ACY

1.04

1.11

9.47

2.09

0.02

0.05

0.03

0.02

0.01

0.04

0.17

0.14

ACE

0.1

0.1

0.36

0.63

0.07

0.07

0.04

0.08

0.01

0.07

0.17

0.17

FL

2.49

2.41

12.07

2.44

0.92

0.09

0.76

0.79

0.11

0.08

0.3

0.3

PHE

1.08

1.05

8.58

8.47

1.82

2.67

1.47

1.6

0.61

2.23

3.75

3.74

SUM

540.13

554.91

113.30

276.57

3.49

4.31

3.64

3.09

1.05

4.27

6.38

6.33

4–6 rings

ANT

4.11

4.69

30.64

30.45

0.15

1.23

0.93

0.08

0.29

1.68

1.84

1.82

FLU

2.29

2.31

17.23

3.79

1.24

1.29

1.09

1.37

0.5

1.12

2.21

2.25

PYR

15.56

15.4

98.67

124.31

0.29

1.2

1.14

0.34

0.37

1.11

2.21

2.2

B(a)ANT

0.7

0.71

4.72

3.75

0.18

0.19

0.12

0.02

0.03

0.18

0.2

0.2

CHY

1.07

1

6.52

7.83

0.03

0.11

0.07

0.04

0.03

0.1

0.12

0.23

B(a)FLU

0.99

1.04

7.05

8.24

0.05

0.02

0.01

0.03

0.01

0.22

0.02

0.02

B(k)FLU

2.59

2.43

14.93

18.73

0.05

0.01

0.08

0.06

0

0.01

0.02

0.02

B(a)PYR

0.84

0.88

5.81

5.05

0.34

0.22

0.12

0.4

0.08

0.21

0.28

0.28

IN(cd)PYR

0.06

0.06

0.42

3.91

0.01

0

0.01

0.01

0

0

0

0

Di(ah)ANT

0.06

0.06

0.42

2.68

0.08

0.01

0.07

0.1

0.01

0.01

0.2

0.2

B(ghi)PYL

0.04

0.04

0.32

0.33

0.02

0.01

0.04

0.03

0

0.01

0.04

0.04

SUM

24.2

23.93

156.09

178.62

2.29

3.06

2.75

2.40

1.03

2.97

5.30

5.44

  1. Naphthalene (NAP), acenaphthylene (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]. WTF1, WTF2—water; STF1, STF2—sediment; TFtr, TFc—parasites, trematode and cestode; PTF, CTF, STF—Macrobrachium vouenhoevenii (prawn), Callinectes amnicola (crab) and Penaeus notialis (shrimp); TFF1—Chrysichthys nigrodigitatus; TFF2—Saratherodon melanotheron; TFF3—Mugilis cephalus
  2. Intervention values—PAHs (sum of at least 10 PAH residues) > 40 mg/kg (sediment), > 70,000 ng/l (water)
  3. Target values—PAHs (sum of at last 10 PAH residues) < 1 mg/kg (sediment), < 1000 ng/l (water)
  4. EGASPIN, 2002
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