| a For the purpose of emission inventories, the following four compound indicators shall be used: benzo(a)pyrene, benzo(b) fluoranthene, benzo(k)fluoranthene and indeno(l,2,3-cd)pyrene. |
| SUBSTANCE (CAS No) |
|---|
| Polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/PCDF) |
| Hexachlorobenzene (HCB) (CAS No: 118-74-1) |
| Polychlorinated biphenyls (PCB) |
| Polycyclic aromatic hydrocarbons (PAHs)a |