Designation:F51/F51M−00(Reapproved2014)´1StandardTestMethodforSizingandCountingParticulateContaminantInandOnCleanRoomGarments1ThisstandardisissuedunderthefixeddesignationF51/F51M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—EditorialchangesweremadethroughoutinMarch2013.1.Scope1.1Thistestmethodcoversthedeterminationofdetachableparticulatecontaminant5µmorlarger,inandonthefabricofcleanroomgarments.1.2ThistestmethoddoesnotapplytononporousfabricssuchasTyvek(trademarked)orGortex(trademarked).Itonlyappliestofabricsthatareporoussuchascottonorpolyester.1.3Thistestmethodprovidesnotonlythetraditionalopticalmicroscopicanalysisbutalsoasizedistributionandsurfaceobscurationanalysisforparticlesonafine-texturedmembranefilterorinatapeliftsample.Itutilizestransmittedilluminationtorenderallparticlesdarkerthanthebackgroundforgrayleveldetection.Particlescollectedonopaqueplatesmustbetrans-ferredtoasuitablemembranefilter.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.5Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E1216PracticeforSamplingforParticulateContaminationbyTapeLiftF25/F25MTestMethodforSizingandCountingAirborneParticulateContaminationinCleanroomsandOtherDust-ControlledAreas2.2InstituteofEnvironmentalSciencesandTechnology(IEST)Document:3IEST-RP-CC003.2...