珠江三角洲河流和珠江口表层沉积物中有机污染物研究_多环芳烃和有机

:025322468(2000)20220192206:X13112:A1,1,1,2,1,2(11,,510640;21):EPA8000,(PAHs).,PAHs;,;;PAHs..:(PAHs);;;.OrganiccontaminantsinsurfacesedimentsfromriversofthePearlRiverDeltaandEstuaryThedistributionsandcharacteristicsofPAHsandorganochlorinepesticidesMAIBixian1,LINZheng1,ZHANGGan1,SHENGGuoying2,MINYushun1,FUJiamo2(1.Guang2dongKeyLaboratoryofEnvironmentProtectionandResourcesUtilization,InstituteofGeochemistry,ChineseAcademyofScience,Guangzhou510640;2.StateKeyLaboratoryofOrganicGeochemistry,InstituteofGeochmistry,ChineseAcademyofScience)Abstract:Theconcentrationsofpolycyclicaromatichydrocarbons(PAHs)andorganochlorinepesticidesinsurfacesedi2mentsfromriversofthePearlRiverDeltaandEstuaryweremeasured,basedonUSEPA8000methodsandunderqualityassuranceandqualitycontrol(QA/AC).ThesurfacesedimentsfromtheGuangzhouchannelandinsideMacaoharborcontainedthehighestconcentrationofPAHsandorganochlorinepesticides.TheconcentrationsofcontaminantsweredecreasingobviouslyafterflowingintotheZhiziOcean.ThesurfacesedimentsfromthewesternsitesinthePearlRiverEstuarywerecontaminatedmuchhigherthanthosefromtheeasternsites.ThesurfacesedimentsfromtheWestRivercontainedrelativelyelevatedconcentrationsofpriorityPAHs.ThesourcesofPAHsinsurfacesedimentswerealsodiscussedpreliminarily.Keywords:polycyclicaromatichydrocarbons(PAHs);organochlorinepesticides;surfacesediments;thePearlRiverDelta:1998209207;:1999205210:(4963206049872092);(970575):(1966),,(PAHs),[1,2].,,[3,4].,.[5],.USEPA8000,PAHs,,PAHs.20220003ACTASCIENTIAECIRCUMSTANTIAEVol.20,No.2Mar.,2000©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(20cm)(1),19973,(-20).1Fig.1SamplingsitesinthePearlRiverDeltaandEstuary,15g,72h.,/(21),15mL,5mL70mL/(37).014mL,GC2MSDGC2ECD.[6].112[6],,4,42:84%127%,2d8:45%60%,2d10:73%88%,2d10:86%104%,2d12:86%107%,2d12:87%105%..22111..1983DDT[7],.DDTDDD,DDE,DDT,(DDE+DDD)/DDT1[8].1(0193160),(10)[9].212(PAHs)PAHs2.,ZB01PAHs,.:PAHs,,PAHs,,.,,PAHs23,PAHs(),23PAHs(2);.,.PAHs,,.3912:©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(g/kg,())Table1ConcentrationsandcompositionsoforganochlorinepesticidesinsurfacesedimentsfromriversofthePearlRiverDeltaZB01ZB02ZB03ZB04ZB05ZB06ZB14ZB15ZB16ZB171181405711815717670170561193516928134301731118835128131084145171043123213021192171316611183199281013187616911811189017001600147013601582nd3ndndndnd018611672143015221512018801581146015301410129012701350130014624119nd31950188nd013401170141nd0145DDTs731003511390199401393318922193819491274194161604,42DDT26168814844113151907137617831092154114881742,42DDTndndndndndndndndndnd4,42DDD2015910179131011518913102613211783109117031272,42DDD131356163121631146710851141194ndnd11304,42DDE910361761615451004167311811061192019211852,42DDE3134214641692113117511501107117201851144(DDE+DDD)/DDT117431141106115431602138118921652134019032131171614917227109201011015716168171795176141690113ndndndndnd31454105411551110142nd115401580161nd0123017301400177nd11067140216721050199015911310185111401440130ndnd01500134ndndndndndndndnd0125ndnd0189012601532015921895131313721511148nd1143ndnd115841887140215821331142ndndndndndnd0129ndndndndnd01010107ndndndndndndndnd0109nd911581472717717189111766134121429137nd7107nd:2(PAHs)(g/kg,())Table2ConcentrationsofPAHsinsurfacesedimentsfromriversofthePearlRiverDeltaZB01ZB02ZB03ZB04ZB05ZB06ZB14ZB15ZB16ZB1733213291048361773061321861827891414601227481925681311671425181416PAHs1081015143316243213597148541140810157013158815708191560176081891081402131496014256180371841641659316618124741269213511129281991617818193nd32613218140nd714923714722158571981617818193nd4139ndnd71494741936717526019350135751742614926132451993614944193146016120312535715787115104193521989611395184291899816644218933188381661116211104513021832199nd3118131912613010818110539127471942111961107691541217761111107615220519619710348134621042318476134281331012212173(a)65413592114951852711931102151891512771737166716480713916810219710327119731323917461107661972811061111(b)8281501191242601936112410419345131345133386135127171345155(k)58517592114328126401836612731137254145257157164120272180(a)7071127518810110040183601753418618118331116145196345155(1,2,32cd)58517543136251252815838166341861451409119954173145149(a,h)3741675916216183811733113314990188731591812472175(ghi)554109nd711543216649170341861811751814054173nd223PAHs(%)30168311193913740169331533010520142161171119415112426PAHs(%)691326818160163591316614769195791588318388106841883nd:;33102.49120©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[10].102PAHs,1282302()()C1C3,C1C3()C1C2()C1C1.ZB011,PAHsPAHs;(ZB02ZB06)1,.ZB01,PAHs,ZB02ZB03,./(P/MP)(3).3Table3MolecularmarkerindicesofPAHsinsurfacesedimentsfromriversofthePearlRiverDeltaandmaterialsrepresentativeofpossibleoriginsofPAHsfromreferencesZB01ZB02ZB03ZB04ZB05ZB06ZB14ZB15ZB16ZB17[13][1][17][16][16][17]30164211321171173119611920190019711211123222222222222/1105012001250138013001400183110301580179222222222222/11