[X1PART B U.K.
Substance (CAS No)]
Hexachlorobenzene (HCB) (CAS No 118-74-1)
Polycyclic aromatic hydrocarbons (PAHs)(1)
Pentachlorobenzene (CAS No 608-93-5)
Hexachlorobutadiene (CAS No 87-68-3)
Polychlorinated naphthalenes (CAS No 70776-03-3 and others)
Editorial Information
(1)
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(1,2,3-cd)pyrene.