PolycyclicaromatichydrocarbonsinriverinerunoffofthePearlRiverDelta,ChinaJi-ZhongWanga,c,Yun-FengNiea,c,Yu-Feng,Guana,c,Hong-GangNia,c,Feng-Hui-Lua,c,Xian-LinLuob,EddyY.Zenga,*aStateKeyLaboratoryofOrganicGeochemistry,GuangzhouInstituteofGeochemistry,ChineseAcademyofScience,Guangzhou510640,ChinabSchoolofGeographyandPlanning,SunYat-senUniversity,Guangzhou510275,ChinacGraduateSchool,ChineseAcademyo...