Table 3 Bio-concentration factor of BTEX in water-fish (Synodontis clarias)-parasite (Procamallanus laevionchus) transit
Components (ppm) | Water (ppm) Mean ± SD | Intestine (ppm) Mean ± SD | Parasite (ppm) Mean ± SD | BAFI/W | BAFP/I |
|---|---|---|---|---|---|
Benzene | 2.765 ± 0.60 | 18.3* ± 2.7 | 0.000 ± 0.00 | 6.000 | 0.000 |
Toluene | 2.690* ± 0.61 | 3.369* ± 0.68 | 0.000 ± 0.00 | 1.000 | 0.000 |
Chlorobenzene | 1.900 ± 0.64 | 4.231* ± 0.67 | 0.000 ± 0.00 | 2.000 | 0.000 |
Ethylbenzene | 3.890 ± 0.73 | 6.342* ± 0.12 | 7.460* ± 0.38 | 2.000 | 1.000 |
m + p-Xylene | 0.980 ± 0.33 | 7.409* ± 1.23 | 6.861* ± 0.23 | 7.000 | 1.000 |
O-xylene | 1.890 ± 0.21 | 5.281* ± 1.09 | 5.824* ± 0.41 | 3.000 | 1.000 |
1,3-Dichlorobenzene | 0.030* ± 0.52 | 0.000 ± 0.00 | 0.000 ± 0.00 | 0.000 | 0.000 |
1,4-Dichlorobenzene | 0.290* ± 0.38 | 0.463* ± 0.11 | 0.000 ± 0.00 | 2.000 | 0.000 |
1,2-Dichlorobenzene | 0.000 ± 0.29 | 0.000 ± 0.00 | 0.000 ± 0.00 | 0.000 | 0.000 |
Total BTEX | 14.270 ± 0.12 | 45.429* ± 0.38 | 20.146 ± 0.68 | – | – |