Designation:D7560−16´1StandardTestMethodforDeterminationofFiberLengthPercentagesinHydraulicErosionControlProducts(HECPs)1ThisstandardisissuedunderthefixeddesignationD7560;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—EditoriallycorrectedunitsofmeasurementstatementinJune2021.1.Scope1.1Thistestmethodprovidestherequirementsandproce-duresneededtodeterminequantitativelythefiberlengthpercentagesofhydraulicerosioncontrolproducts(HECPs).1.2Thistestmethodallowsforcomparativeevaluationofin-processHECPstoamanufacturedproductspecification.1.3Units—ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareprovidedforinformationonlyandarenotconsideredstandard.1.4AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D653TerminologyRelatingtoSoil,Rock,andContainedFluidsD3740PracticeforMinimumRequirementsforAgenciesEngagedinTestingand/orInspectionofSoilandRockasUsedinEngineeringDesignandConstructionD4753GuideforEvaluating,Selecting,andSpecifyingBal-ancesandStandardMassesforUseinSoil,Rock,andConstructionMaterialsTestingD6026PracticeforUsingSignificantDigitsinGeotechnicalDataE11SpecificationforWovenWireTestSieve...
