办公空间室内装修对空气品质影响

1TheInfluenceofInteriorDecorationonIndoorAirQualityinTaiwan’sOfficebuildings********************30%1999()()AbstractPeoplespentmostoftheirtimeindoors,whetheritisathome,atwork,atrecreationalfacilitiesorotherplaces.Therefore,thequalityofindoorenvironmentbecomesonesignificantfactoraffectinghumanhealth.StudiessuggestthatdifferentIEQindicatorshavebeencontributedtovariousproblems.AmongallfactorsofIEQdiscussedtothehealtheffectsarethemajorconcerns.IAQisoftenrankedtoasmostlikelyandcriticalvariable.Accordingtotheresultsoffieldstudyonofficebuildingin1999,theimportantpollutantswereclarifiedtohumanhealth.Bythewayoflong-termmonitoringindifferentpollutants.Theresultsofmeasurementcanreferbacktotheinteriordesign.Keywords:OfficeBuilding,IAQ,Ventilation.-90%(IAQ)1989(AmericanSocietyofHeating,RefrigeratingandConditioningEngineers,ASHRAE)IAQAirinwhichtherearenoknowncontaminantsatharmfulconcentrationsasdeterminedbycognizantauthoritiesandwithwhichasubstantialmajority(80%ormore)ofthepeopleexposeddonotexpressdissatisfaction.21985SBSNIOSHTheUSNationalInstituteofOccupationalSafety&HealthHWCHealth&WelfareCanada484136211NIOSHHWCCases%Case%25252710527716165124810125920427226560.461123292476COCO2O3COCO2(PM10)2ASHAREWHOASHRAE(NationalHealthandMedicalResearchCouncil,NHMRC)(EuropeanUnion,EU)ASHRAE62-1999CWHO86/32NHMRCHealthCanada()HASSEuropeanWHOBOCAASHRAE()ASHRAE()Level1Level2CO(ppm)9-8hr11-8hr25-1hr1010109-8hr29-8hr35-1hr50-8hr18-8hr9ppm-8hr35ppm-1hr35ppm-1hr2000ug/m3-8hr10000ug/m3-8hrCO2(ppm)8003500-24hr1,0003,5001,0001000-8hr1,0001,0001,5005000-8hr1000800-8hr1000-8hrParticulate(µg/m3)TSP90-1yearPM2.5100-1hr40-1year150150150PM10150PM10140-1dayPM1060-24hr150-24hr50-year20180Rn(pCi/L)200Bq/m3-1year800Bq/m3-1year150Bq/m3200Bq/m322pCi/L1142pCi/Lyear-average150Bq/m3200Bq/m3Pb(mg/m3)1.5-3month1.5-3monthHCHO(ppb)100-max100-action50-target80-30min100-8hr100400-70010080-30min10040040030ug/m3-8hr100ug/m3-8hrNO(ppb)40-60NO2(ppm)0.25-1hr0.21-1hr0.08-1day0.213-8hr0.055-1year40ug/m3-8hr150ug/m3-8hr500ppb-10min0.019ppm-24hr250ppb-1hr0.38ppm-5min20ppb-1yearO3(ppb)120-1hr120-1hr6050-8hr50-608hr80-100-1hr100-8hr120-1hr502356500µg/m3singleVOC50%TVOCTotalbacteria(CFU/m3)5001,0005001,000Totalfungi(CFU/m3)5001,000()25-2725-272423.5-27()21-2215.5-2019.6-21.820-2430-80-summer7030-80-summer30-55-winter4030-55-winterAirvelocity(m/s)0.15-0.250.50.50.250.15–0.250.2m/s0.3m/s300ug/m36520-25.525.540-70%70%70RH(%)40-6040-7040-7030-6550-5518-20TVOCphotoionisablecompoundsreferencetotoluene3ppm0.05-1.3mg/m3SO2130ppb-1hr|Floor-Ceiling|317-2817-2822.5-25.5365(0.14ppm)-24hr80(0.03ppm)-1year0.2-0.5mg/m3300ug/m3130ppb-1hr133ppb-hr4()(WalkThroughInvestigation&CollectionInformation)(RealTimeSampling&InvestigationAnalysis)1)ASHRAEstandard55a242)COCO2PM10O3NO2SO2NO2SO2243)HCHOTVOC()Concentration-DecayMethodConstant-EmissionMethodConstant-ConcentrationMethodAirExchangeEfficiencyACH1ACH1Air-exchangerate,h-1.1C(s)sm3/m3C(f)fm3/m3shourfhourtt024681012141616:1916:4817:1617:4518:14timeSF6DoserppmSF6ppm011010016:1916:4817:1617:4518:14timeSF6DoserppmSF6ppm1()5(Formaldehyde,HCHO)(VolatileOrganicCompounds,VOCs)33HCHOTVOCTVOCVOCVOC23HCHOTVOCHCHOTVOC/()HCHO4TVOCVOC4()HCHOTVOCHCHOTVOC5TVOCP0.2204TVOCRVNotstatisticallysignificantVOCHCHORVRVHCHO-0.28ppm2HCHO(ppm),Y=-(-0.05Ln(x)-0.28)(2)XRVR20.7006P0.0095**P0.0095**HCHOSignificant()62HCHO()3TVOC()()HCHOTVOC0.00.20.40.60.81.01.21.41.6010020030040050060070080090010001100120013001400(M2)HCHO(ppm)0246810121416TVOC(mg/m3)HCHOTVOC4HCHOTVOC()EACHHCHOTVOCy=0.4487Ln(x)+3.8998R2=0.2377P=0.2204y=-0.05Ln(x)-0.28R2=0.7006P=0.0095**-0.10-0.050.000.050.100.150.200.250.300.0000.0010.0020.0030.0040.0050.0060.0070.0080.0090.0100.0110.0120.0130.014EACH/HCHO(ppm)-1.5-1.0-0.50.00.51.01.52.02.53.0TVOC(mg/m3)HCHOTVOC51.(1999)2.EPA.,(1991),Buildingairquality:AGuideforbuildingownersandfacilitymanager.,Washington,DC.,USEPA.3.LevinH,etal.(1989),“Buildingmaterialsandindoorairquality.”OccupancyMedicine.,Vol.4(4):667-93.,4.Chiang,C.M.;Chou,P.C.;LaiC.M.&Li,Y.Y.,(2000),“AMethodologytoAccesstheIndoorEnvironmentinCareCentersforSeniorCitizens”,BuildingandEnvironment,Vol.36No.4.5.Che-MingChiang,Po-ChengChou,Chi-MingLai,Yen-YiLi,Yu-FengTu,(1999),“TheInfluenceofHVACSystemsonIndoorAirQualityintheOfficeBuildingsinCommercialDistrictsinTaiwan”,Asia-PacificConferenceontheBuiltEnvironment,Taipei,Taiwan.6.Che-MingChiang,Huey-JenSu,Chi-MingLai,Po-ChengChou,Yen-YiLi,Yu-FengTu,(1999),“IndoorAirQualityAssessmentinanOfficeBuildinginanIndustrialParkinTaiwan”,Asia-PacificConferenceontheBuiltEnvironment,Taipei,Taiwan.HCHOmonitoring10F0.400.500.600.700.800.901.0014:2419:120:004:489:3614:2419:120:004:489:3614:2419:120:004:489:3614:24Time(hh/mm)Concentration(ppm)TVOCMonitoring10F8.08.59.09.510.010.511.011.512.012.513.014:2419:120:004:489:3614:2419:120:004:489:3614:2419:120:004:489:3614:24Time(hh/mm)Concentration(mg/m3)