PAHs主要包括16种同类物质。16种常见多环芳香烃1Naphthalene萘2Acenaphthylene苊烯3Acenaphthene苊4Fluorene芴5Phenanthrene菲6Anthracene蒽7Fluoranthene荧蒽8Pyrene芘9Benzo(a)anthracene苯并（a）蒽10Chrysene屈11Benzo(b)fluoranthene苯并（b）荧蒽12Benzo(k)fluoranthene苯并(k)荧蒽13Benzo(a)pyrene苯并（a）芘14Indeno(1,2,3-cd)pyrene茚苯（1,2,3-cd）芘15Dibenzo(a,h)anthracene二苯并（a,n）蒽16Benzo(g,hi)perylene苯并（ghi）北（二萘嵌苯）)