Designation:D8002−15´1StandardTestMethodforModifiedFoulingIndex(MFI-0.45)ofWater1ThisstandardisissuedunderthefixeddesignationD8002;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—Note12waseditoriallycorrectedinJune2016.1.Scope1.1Thistestmethodcoversthedeterminationofthemodi-fiedfoulingindex(MFI)ofwatermeasuredatconstantpressure.Thistestcanbeusedtoindicatethefoulingpotentialofreverseosmosis/nanofiltration(RO/NF)feedwaterdueparticulatematterandisapplicabletolowandhighturbiditywaters.Sincethesize,shape,andnatureofparticulatematterinwatermayvary,thistestmethodisnotanabsolutemeasure-mentofthequantityofparticulatematter.1.2Thistestmethodisnotapplicableforreagent-gradewaterTypesI,II,andIIIofSpecificationD1193oreffluentsfrommostreverseosmosisandultra-filtrationsystems.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1129TerminologyRelatingtoWaterD1193SpecificationforReagentWaterD2777PracticeforDeterminationofPrecisionandBiasofApplicableTestMethodsofCommitteeD19onWaterD3370PracticesforSamplingWaterfromClosedConduitsD4189TestMethodforSiltDensityIndex(SDI)ofWaterD6161TerminologyUsedforMicrofiltration,Ultrafiltration,NanofiltrationandReverseOsmosisMembraneProcessesD7726GuideforTheUseofVariousTurbidimeterTech-nologiesforMeasurementofTurbidityinWater3.Terminology3.1Definitions:3.1.1Fordefinitionsoftermsusedinthisstandard,refertoTerminologiesD1129andD6161.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1modifiedfoulingindex,MFI-0.4...
