Designation:D5615−07´1StandardTestMethodforOperatingCharacteristicsofHomeReverseOsmosisDevices1ThisstandardisissuedunderthefixeddesignationD5615;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—AddedresearchreportinformationtoSection10editoriallyinNovember2010.1.Scope1.1Thistestmethodcoversdeterminationoftheoperatingcharacteristicsofhomereverseosmosisdevicesusingstandardtestconditions.Itdoesnotnecessarilydeterminethecharac-teristicsofthedevicesoperatingonnaturalwaters.1.2Thistestmethodisapplicableforspiral-wounddevices.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D512TestMethodsforChlorideIonInWaterD1125TestMethodsforElectricalConductivityandResis-tivityofWaterD1129TerminologyRelatingtoWaterD1193SpecificationforReagentWaterD1293TestMethodsforpHofWaterD2777PracticeforDeterminationofPrecisionandBiasofApplicableTestMethodsofCommitteeD19onWaterD4194TestMethodsforOperatingCharacteristicsofRe-verseOsmosisandNanofiltrationDevicesD4516PracticeforStandardizingReverseOsmosisPerfor-manceDataD6161TerminologyUsedforMicrofiltration,Ultrafiltration,NanofiltrationandReverseOsmosisMembraneProcesses3.Terminology3.1Definitions—Fordefinitionsoftermsusedinthistestmethod,refertoTerminologyD1129.Fordescriptionsoftermsrelatingtoreverseosmosis,refertoTestMethodsD4194andD6161.4.SummaryofTestMethod4.1Thistestmethodconsistsofdeterminingthepermeateflowrateandsodiumchloriderejectionforreverseosmosisdevicesat345-kPa(50-psi)feedgagepressure,25...
