Designation:D6565–00(Reapproved2005)StandardTestMethodforDeterminationofWater(Moisture)ContentofSoilbytheTime-DomainReflectometry(TDR)Method1ThisstandardisissuedunderthefixeddesignationD6565;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofwatercontent(ormoisturecontent)insoilbytheuseoftheelectromagnetictechniquecalledTime-DomainReflectometry(TDR).1.2ThistestmethodwaswrittentodetailtheprocedureforconventionalTDRmeasurementsofsoil.OtherTDRapplica-tionsexistforthepurposeofquantifyingwatercontentinsoilandarenotcoveredhere,suchasflatprobetechnologiesandwettingfrontadvancemethods.1.3CommercialTDRapplicationsexistwhichautomatetheTDRmethodologyandarenotdetailedinthistestmethod.Itislikelythatoverlapexistsintheautomatedcommercialsystemsversusthisappliedmethod,andtheuserisencouragedtoadheretothistestmethodwhenapplicable.1.4Thistestmethodisoneofaseriesonvadosezonecharacterizationmethods.Otherstandardshavebeenpreparedonvadosezonecharacterizationtechniques.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D653TerminologyRelatingtoSoil,Rock,andContainedFluidsD1452PracticeforSoilInvestigationsandSamplingbyAugerBoringsD2216TestMethodforLaboratoryDeterminationofWater(Moisture)ContentofSoilandRockbyMassD4643TestMethodforDeterminationofWater(Moisture)ContentofSoilbytheMicrowaveOvenMethodD4700GuideforSoilSamplingfromtheVadoseZoneD4944TestMethodforFieldDeterminationofWater(Moisture)ContentofSoilbytheCalciumCarbideGasPressureTesterMethodD5220TestMethodforWaterContentofSoilandRockIn-PlacebytheNeutronDepthPro...
