
Chemical composition of PM2.5 from two tunnels with different vehicular fleet characteristics
Keywords: OC; organic carbon; EC; elemental carbon; GV; gasoline-fueled vehicles; DV; diesel-fueled vehicles; EFs; emission factors; PAHs; polycyclic aromatic hydrocarbons; WZS; Wuzushan; KXL; Kuixinglou; HMW; higher molecular weight; LMW; lower molecular weight; L