Designation:F1407−12StandardTestMethodforResistanceofChemicalProtectiveClothingMaterialstoLiquidPermeation—PermeationCupMethod1ThisstandardisissuedunderthefixeddesignationF1407;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.INTRODUCTIONWorkersinvolvedintheproduction,use,andtransportationofchemicalscanbeexposedtonumerouscompoundscapableofcausingharmuponcontactwiththehumanbody.Thedeleteriouseffectsofthesechemicalscanrangefromacutetrauma,suchasdermatitisorburns,tochronicdegenerativedisease,suchascancerorpulmonaryfibrosis.Sinceengineeringcontrolsmaynoteliminateallpossibleexposures,attentionisoftengiventoreducingthepotentialfordirectskincontactthroughtheuseofprotectiveclothingthatresistsdegradation,penetration,andpermeation.Thistestmethodprovidesasimple,gravimetricmeansformeasuringtheresistanceofclothingmaterialstopermeationbyliquidchemicals.Permeationtestingbyamoresophisticatedprocedureandpenetrationtestingareaddressedbyseparatemethods:TestMethodsF739andF903,respectively.TestMethodsformeasuringtheeffectsofchemicalsonthephysicalpropertiesofrubbers,plastics,andcoatedfabricsmaybefoundinTestMethodD471,TestMethodD543,andTestMethodsD751,respectively.GuideF1001designates21chemicalsforusewiththesetests.1.Scope1.1Thistestmethodmeasuresthebarriereffectivenessofaspecimenofprotectiveclothinguponcontinuouscontactwithaliquid.1.1.1ProcedureA—Forusewhenavalueforthecumulativeamountofchemicalpermeatedin1hisdesired.1.1.2ProcedureB—Forusewhenbreakthroughdetectiontimeandpermeationratevaluesaredesired.1.2Althoughnotaddressedherein,theeffectofthetestchemicalontheclothingmaterialcanbedeterminedbycomparingtheweightorotherphysicalpropertiesofthespecimenbeforeandafterthepermeationtest.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesaremathematicalconve...