Designation:D6475−17StandardTestMethodforMeasuringMassperUnitAreaofErosionControlBlankets1ThisstandardisissuedunderthefixeddesignationD6475;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcanbeusedasanindextesttodeterminethemassperunitareaofallerosioncontrolblankets(ECBs).1.2AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.2.1Themethodusedtospecifycollection,calculation,orrecordingofdatainthistestmethodisnotdirectlyrelatedtotheaccuracytowhichthedatacanbeappliedindesignorotherusesorboth.Applicationoftheresultsobtainedusingthistestmethodisbeyonditsscope.1.3Units—ThevaluesstatedinSIunitsaretoberegardedasthestandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D123TerminologyRelatingtoTextilesD653TerminologyRelatingtoSoil,Rock,andContainedFluidsD3740PracticeforMinimumRequirementsforAgenciesEngagedinTestingand/orInspectionofSoilandRockasUsedinEngineeringDesignandConstructionD4354PracticeforSamplingofGeosyntheticsandRolledErosionControlProducts(RECPs)forTestingD4439TerminologyforGeosyntheticsD5261TestMethodforMeasuringMassperUnitAreaofGeotextilesD6026PracticeforUsingSignificantDigitsinGeotechnicalDataE145SpecificationforGravity-ConvectionandForced-VentilationOvensE177PracticeforUseoftheTermsPrecisionandBiasinASTMTestMethodsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod2.2ErosionControlTechnologyCouncilStandard:3TechnicalGuidanceManual,TerminologyandIndex...