Designation:D7285−06(Reapproved2017)StandardGuideforRecordkeepingMicrofiltrationandUltrafiltrationSystems1ThisstandardisissuedunderthefixeddesignationD7285;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidecoversproceduresforwell-definedrecord-keepingofmicrofiltration(MF)andultrafiltration(UF)sys-tems.1.2Thisguideincludesastart-upreport,recordkeepingofMF/UFoperatingdata,recordkeepingofpretreatmentoperat-ingdata,andamaintenancelog.1.3Thisguideisapplicabletowatersincludingsurfacewater,groundwaterandsomewastewater(secondaryeffluent)butisnotapplicabletomembranebioreactorsorprocessstreams.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1125TestMethodsforElectricalConductivityandResis-tivityofWaterD1129TerminologyRelatingtoWaterD1253TestMethodforResidualChlorineinWaterD4195GuideforWaterAnalysisforReverseOsmosisandNanofiltrationApplicationD5090PracticeforStandardizingUltrafiltrationPermeateFlowPerformanceData(Withdrawn2016)3D6161TerminologyUsedforMicrofiltration,Ultrafiltration,NanofiltrationandReverseOsmosisMembraneProcessesD6698TestMethodforOn-LineMeasurementofTurbidityBelow5NTUinWaterD6908PracticeforIntegrityTestingofWaterFiltrationMembraneSystems3.Terminology3.1Definitions:3.1.1Fordefinitionsoftermsusedinthisstandard,re...
