Designation:G122−96(Reapproved2015)´1StandardTestMethodforEvaluatingtheEffectivenessofCleaningAgents1ThisstandardisissuedunderthefixeddesignationG122;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—EditorialcorrectionmadeinOctober2015.INTRODUCTIONManysystemsrequireahighdegreeofcleanliness.Forexample,gaseousandliquidoxygensystemsmustbeclean,particularlyofhydrocarbons,toavoidthepotentialhazardofareactionandsubsequentfireorexplosion.Typically,chlorinatedsolventshavebeenusedtocleansystemsandequipmentthatmustbefreeofhydrocarbonsandothercontaminants.Environmentalconcernsdictatethatsuitablereplacementsareneeded.Thistestmethodpresentsaprocedurethatmaybeusedtoevaluatecandidateaqueousornonaqueouscleaningagents.1.Scope1.1Thistestmethodcoversaprocedureforevaluatingthecapabilityofcleaningagentsandprocessestoremovecontami-nationtothedesiredlevel.1.2Thetestcouponsprovidearelativelyroughsurfacetowhichcontaminationcaneasilyadhere.1.3Thecapabilityofaparticularcleaningagentdependsuponthemethodbywhichitisusedandthecharacteristicsofthearticlebeingcleaned,suchassize,shape,andmaterial.Finalevaluationofthecleaningagentshouldincludetestingofactualproductsandproductionprocess.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Specificprecau-tionarystatementsaregiveninNote2.2.ReferencedDocuments2.1ASTMStandards:2D1193SpecificationforReagentWaterE177PracticeforUseoftheTermsPrecisionandBiasinASTMTestMethodsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMet...