It was revealed by GC/MS measurements that alkanes, fatty acids and polycyclic aromatic hydrocarbons (PAHs) are of the major classes of organic pollutants as extractable and identifiable compounds.

• GC/MS定性分析表明，颗粒物有机物可抽提部分中，可分析识别的主要种类有正构烷烃、脂肪酸、多环芳烃等。