Please use this identifier to cite or link to this item: http://umt-ir.umt.edu.my:8080/handle/123456789/5603
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dc.contributor.authorMohamad N-
dc.contributor.authorLatif M.T-
dc.contributor.authorKhan M.F-
dc.date.accessioned2017-04-10T07:40:23Z-
dc.date.available2017-04-10T07:40:23Z-
dc.date.issued2015-11-18-
dc.identifier.issn0147-6513-
dc.identifier.urihttp://hdl.handle.net/123456789/5603-
dc.description.abstractThis studyaimedtoinvestigatethechemicalcompositionandpotentialsourcesofPM10 as wellasassess the potentialhealthhazardsitposedtoschoolchildren.PM10 samples weretakenfromclassroomsata school inKualaLumpur'scitycentre(S1)andoneinthesuburbancityofPutrajaya(S2)overaperiodof eight hoursusingalowvolumesampler(LVS).Thecompositionofthemajorionsandtracemetalsin PM10 werethenanalysedusingionchromatography(IC)andinductivelycoupledplasma-massspec- trometry (ICP-MS),respectively.TheresultsshowedthattheaveragePM10 concentration insidethe classroom atthecitycentreschool(82g/m3) washigherthanthatfromthesuburbanschool(77g/m3). Principal componentanalysis-absoluteprincipalcomponentscores(PCA-APCS)revealedthatroaddust wasthemajorsourceofindoorPM10 at bothschoolinthecitycentre(36%)andthesuburbanlocation (55%). Thetotalhazardquotient(HQ)calculated,basedontheformulasuggestedbytheUnitedStates EnvironmentalProtectionAgency(USEPA), wasfoundtobeslightlyhigherthantheacceptablelevelof1, indicating thatinhalationexposuretoparticle-boundnon-carcinogenicmetalsofPM10, particularlyCr exposurebychildrenandadultsoccupyingtheschoolenvironment,wasfarfromnegligibleen_US
dc.language.isoenen_US
dc.publisherEcotoxicology and Environmental Safetyen_US
dc.subjectParticulatematteren_US
dc.subjectChildrenen_US
dc.subjectSchool environmenten_US
dc.subjectChemical compositionen_US
dc.titleSource apportionment and health risk assessment of PM10 in a naturally ventilated school in a tropical environmenten_US
dc.typeArticleen_US
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