Table 1.
Homologue composition of PCBs in the vapor generated from CAM and PCBs found in rats after subchronic inhalation exposure to the vapor. The composition of sampled Chicago air (6) and the source material CAM (12) are also included. Values are presented in mass percentage (%) of total PCB mass.
| PCB Homologue |
Airborne exposure source |
Exposed body tissue |
||||||
|---|---|---|---|---|---|---|---|---|
| CAM vapor | Chicago air | CAM | Blood | Lung | Liver | Brain | Adipose | |
| Mono | 11 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
| Di | 45 | 21 | 15 | 4 | 7 | 7 | 7 | 2 |
| Tri | 28 | 29 | 23 | 23 | 45 | 28 | 56 | 25 |
| Tetra | 10 | 15 | 33 | 26 | 19 | 19 | 9 | 20 |
| Penta | 5 | 20 | 21 | 36 | 20 | 34 | 25 | 39 |
| Hexa | 1 | 8 | 5 | 12 | 10 | 10 | 2 | 13 |
| Hepta | 0 | 4 | 0 | 0 | 0 | 1 | 0 | 1 |
| Octa | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Nona-deca | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |