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http://umt-ir.umt.edu.my:8080/handle/123456789/5603| Title: | Source apportionment and health risk assessment of PM10 in a naturally ventilated school in a tropical environment |
| Authors: | Mohamad N Latif M.T Khan M.F |
| Keywords: | Particulatematter Children School environment Chemical composition |
| Issue Date: | 18-Nov-2015 |
| Publisher: | Ecotoxicology and Environmental Safety |
| Abstract: | This 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,wasfarfromnegligible |
| URI: | http://hdl.handle.net/123456789/5603 |
| ISSN: | 0147-6513 |
| Appears in Collections: | Journal Articles |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| 176 Source apportionment and health risk assessment of PM10 in a naturally ventilated school in a tropical environment.pdf | FullText File | 1.24 MB | Adobe PDF | View/Open |
| J 176.png | Evidence | 172.77 kB | image/png | View/Open |
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