(Supplement Table S3) Relative contributions of various emission activities to polycyclic aromatic hydrocarbons observed at Alert

The 15 PAHs include: acenaphthylene, acenaphthene, fluorene, phenanthrene, anthracene, fluoranthene, pyrene, benz[a]anthracene, chrysene, benzo[b]fluoranthene, benzo[k]fluoranthene, benzo[a]pyrene, dibenz[a,h]anthracene, indeno[1,2,3-cd]pyrene, and benzo[g,h,i]perylene.

本次涉及的15种多环芳烃（Polycyclic Aromatic Hydrocarbons，PAHs）包括：苊烯、苊、芴、菲、蒽、荧蒽、芘、苯并[a]蒽、䓛、苯并[b]荧蒽、苯并[k]荧蒽、苯并[a]芘、二苯并[a,h]蒽、茚并[1,2,3-cd]芘以及苯并[g,h,i]苝。