Designation:D5955−02(Reapproved2012)´1StandardTestMethodsforEstimatingContributionofEnvironmentalTobaccoSmoketoRespirableSuspendedParticlesBasedonUVPMandFPM1ThisstandardisissuedunderthefixeddesignationD5955;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—ReapprovedwitheditorialchangesinApril2012.1.Scope1.1Thesetestmethodspertaintothesampling/analysisofrespirablesuspendedparticles(RSP)andtheestimationoftheRSPfractionattributabletoenvironmentaltobaccosmoke(ETS).ThesetestmethodsarebasedoncollectionoftotalRSPonamembranefilter,extractingthecollectedmaterialinmethanol,andmeasuringtotalultravioletabsorbanceorfluorescence,orboth,ofthisextract.Thecorrespondingmethodsofestimationaretermedultravioletparticulatematter(UVPM)andfluorescentparticulatematter(FPM),respec-tively.1.2Thesetestmethodsarecompatiblewith,butdonotrequirethedeterminationofsolanesol,whichisalsousedtoestimatethecontributionofETStoRSP(seeTestMethodD6271).1.3Thesamplingcomponentsconsistofapreweighed,1.0-µmporesizepolytetrafluoroethylene(PTFE)membranefilterinafiltercassetteconnectedontheinletendtoaparticlesizeseparatingdeviceand,ontheoutletend,toasamplingpump.Thesetestmethodsareapplicabletopersonalandareasampling.1.4Thesetestmethodsarelimitedinsampledurationonlybythecapacityofthemembranefilter(about2000µg).Thesetestmethodshavebeenevaluateduptoa24-hsampledurationwithaminimumsampledurationofatleast1h.1.5Limitsofdetection(LOD)andquantitation(LOQ)fortheUVPMtestmethodatasamplingrateof2L/minare,respectively,2.5µg/m3and8.3µg/m3fora1-hsampledurationand0.3µg/m3and1.0µg/m3foran8-hsampleduration.TheLODandLOQfortheFPMtestmethodatasamplingrateof2L/minare,respectively,1.4µg/m3and4.7µg/m3fora1-hsampledurationand0.2µg/m3and0.6µg/m3foran8-hsampleduration.1.6Units—ThevaluesstatedinSIunitsaretoberegard...