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Mean concentration ± SD of detected PCBs in cow milk samples of Dhaka, Bangladesh.
| PCBs | Mean Concentration (ng/kg l.w) |
|---|---|
| PCB No 28 | ND |
| PCB No 52 | 0.63 ± 0.21 |
| PCB No 101 | 0.52 ± 0.22 |
| PCB No. 138 | ND |
| PCB No. 153 | 2.75 ± 0.41 |
| PCB No 180 | ND |
| PCB No 209 | 3.35 ± 0.87 |
* ND: Not detected
