Source Apportionment of Ambient PM_（10） in the Urban Area of Longyan City,China：a Comparative Study Based on Chemical Mass Balance Model and Factor Analysis Method

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1、CHEM．RES．CHINESEUNIVERSITIES2012，28(2)，204—208SourceApportionmentofAmbientPM10intheUrbanAreaofLongyanCity，China：aComparativeStudyBasedonChemicalMassBalanceModelandFactorAnalysisMethodQIULi．min，，LIUMiao，，WANGJu，，ZHANGSheng．nanandFANGChun．sheng，’．EnvironmentalScienceDepartment，Collegeo

2、fEnvironmentandResources，JilinUniversity,Changchun130012，PR．China；2．KeyLaboratoryofGroundwaterResourcesandEnvironment,MinistryofEducation，JilinUniversity,Changchun130021．R．ChinaAbstractInordertoidentifythedayandnightpollutionsourcesofPMloinambientairinLongyanCity,theauthorsanalyzedth

3、eelementalcompositionofrespirableparticulatemattersinthedayandnightambientairsamplesandvariouspollutionsourceswhichwerecollectedinJanuary2010inLongyanwithinductivitycoupledplasma-massspectrometry(ICP-MS)．Thenchemicalmassbalance(CMB)modelandfactoranalysis(FA)methodwereappliedtocompara

4、tivelystudytheinorganiccomponentsinthesourcesandreceptorsamples．Theresultsoffactoranalysisshowthatthemajorsourceswereroaddust，wasteincinerationandmixedsourceswhichcontainedautomobileex-haust，soildusfsecondarydustandcoaldustduringthedaytimeinLongyanCity,China．Therearetwomajorsourcesof

5、pollutionwhicharesoildustandmixturesourcesofautomobileexhaustandsecondarydustduringthenightinLongyan．TheresultsofCMBshowthatthemajorsourcesaresecondarydust，automobileexhaustandroaddustduringthedaytimeinLongyan．Themajorsourcesaresecondarydust，soildustandautomobileexhaustduringthenight

6、inLongyan．TheresultsofthetwomethodsaresimilartoeachotherandtheresultswillguideustoplantocontrolthePMlopollutionsourcesinLongyan．KeywordsFactoranalysis(FA)method；Chemicalmassbalance(CMB)model；Sourceapportionment；Atmosphericparticle；PMl0ArticleID1005-9040(2012)-02-204-051IntrOdUCtionti

7、velycontrolledbecausethepollutionsourceshavenotclearlyidentifiedandcontrolled．LongtermmonitoringdatainLonAtmosphericparticulatesarecomposedofavarietyofgyanshowthatPMlopollutionlevelinthedaytimeandnightpollutionsourcesandparticleswithdiferentscalesproducedshowverysimilarpatterninfours

8、easonsinflye