Thepresentpaperfocusesonrespirableparticulatematter(RPM)measurementsconductedatthebreathingzoneof adultvolunteersinsixteendifferentworkingenvironments:twooffices,ahouse,achemicallaboratory,anon– smokingshop,apharmacystore,acargarage,ahairdresser’sstore,aphotocopystore,ataxi,agym,amall,a restaurant,abar,akioskandaschool.Thesixteendifferentcaseswerecategorizedaccordingtothelocation,the typeoftheactivitiestakingplaceindoors,thenumberofoccupants,theproximitytoheavytrafficroads,the ventilationpatternetc.Accordingtotheresults,themaximumparticleconcentration(inaverage285ʅgm–3)was recordedatthehairdresserstorewhiletheminimumconcentrationwasmeasuredinthecasesofthehousewifeand theemployeeinthenon–smokingshop(inaverage30ʅgm–3).Theresultsindicatedsmokingasafactorwhich stronglyinfluencestheexposurelevelsofbothsmokersandpassivesmokers.Furthermore,itwasfoundthatthe buildingventilationpatterncomprisesanimportantfactorinfluencingtheexposurelevelsespeciallyincasesof buildingswithgreatnumberofvisitors(resuspension)andsmoking
The?present?paper?focuses?on?respirableparticulate?matter?(RPM)?measurements?conducted?at?the?breathing?zone?of? adult?volunteers?in?sixteen?different?working?environments:?two?offices,?a?house,?a?chemical?laboratory,?a?non– smoking?shop,?a?pharmacy?store,?a?car?garage,?a?hairdresser's?store,?a?photocopy?store,?a?taxi,?a?gym,?a?mall,?a? restaurant,?a?bar,?a?kiosk?and?a?school.?The?sixteen?different?cases?were?categorized?according?to?the?location,?the? type?of?the?activities?taking?place?indoors,?the?number?of?occupants,?the?proximity?to?heavy?traffic?roads,?the? ventilation?pattern?etc.?According?to?the?results,?the?maximum?particle?concentration?(in?average?285?ʅg?m–3)?was? recorded?at?the?hairdresser?store?while?the?minimum?concentration?was?measured?in?the?cases?of?the?housewife?and? the?employee?in?the?non–smoking?shop?(in?average?30?ʅg?m–3).?The?results?indicated?smoking?as?a?factor?which? strongly?influences?the?exposure?levels?of?both?smokers?and?passive?smokers.?Furthermore,?it?was?found?that?the? building?ventilation?pattern?comprises?an?important?factor?influencing?the?exposure?levels?especially?in?cases?of? อาคาร? กับ? จำนวนมาก? ของ? ผู้เข้าชม? (resuspension)? และ? การสูบบุหรี่
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thepresentpaperfocusesonrespirableparticulatematter ( รอบต่อนาที ) measurementsconductedatthebreathingzoneof adultvolunteersinsixteendifferentworkingenvironments : twooffices ahouse achemicallaboratory , , , อานนท์ – smokingshop apharmacystore acargarage ahairdresser"sstore , , , aphotocopystore ataxi agym , , , , amall ร้านอาหาร เป็นต้น akioskandaschool , . thesixteendifferentcaseswerecategorizedaccordingtothelocation , typeoftheactivitiestakingplaceindoors thenumberofoccupants theproximitytoheavytrafficroads , , , ventilationpatternetc . accordingtotheresults themaximumparticleconcentration ( inaverage285 , ʅกรัม ( 3 ) recordedatthehairdresserstorewhiletheminimumconcentrationwasmeasuredinthecasesofthehousewifeand theemployeeinthenon จำกัด smokingshop ( inaverage30 ʅกรัม ( 3 ) theresultsi ndicatedsmokingasafactorwhich stronglyinfluencestheexposurelevelsofbothsmokersandpassivesmokers นอกจากนี้ itwasfoundthatthe buildingventilationpatterncomprisesanimportantfactorinfluencingtheexposurelevelsespeciallyincasesof buildingswithgreatnumberofvisitors ( resuspension ) andsmoking
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