Designation:D4494−95(Reapproved2015)StandardTestMethodforDetectingResidualOdorofDrycleaningGradePerchloroethylene1ThisstandardisissuedunderthefixeddesignationD4494;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedetectionofaresidualodorindrycleaning-gradeperchloroethylene.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Specificprecau-tionarystatementsaregiveninSection7.2.ReferencedDocuments2.1ASTMStandards:2D3844GuideforLabelingChlorinatedHydrocarbonSol-ventContainers(Withdrawn2013)33.SummaryofTestMethod3.1Aswatchofconditionedcottonfabricistreatedbysoakingindrycleaningperchloroethylene,thendrained,dried,andsteamed.Theodoriscomparedwithanuntreatedswatch.Thetreatedswatchshouldbenodifferentfromtheuntreated.4.SignificanceandUse4.1Normallyclothescleanedwithperchloroethylenewillhaveacleanclothodor.Ifaforeignodorispresent,itmaybeobjectionable.5.Apparatus5.1Two-GlassBeakers,1L.5.2Oven,forcedconvectionmodel.6.Material6.1De-sizedandbleachedcottonfabricweighingfrom120to135g/m2(3.6to4.0oz/yd2).Thefabricshallbeclean,dry,andfreefromforeignodor.7.SafeHandlingPrecautions7.1Handleperchloroethyleneonlyinawell-ventilatedhoodforconductingthetest.SeeGuideD3844forthelabelinformation.8.Procedure8.1Conditionaswatch,300by300-mm(12by12-in.)size,oftestfabricat60610%relativehumidityforatleast8h.8.2Soakthetestswatchinabeakerwith100mLofperchloroethylenefor5min.8.3Removeitfromthebeakerandallowtodrainanddryatroomtemperaturefor4h.8.4Drythetreatedswatchinafreshairov...
