Designation:D8203−18StandardTestMethodforDeterminationoftheHorizontalWaterFlowRateofaGeosyntheticScreeningMaterial,Product,orDevice1ThisstandardisissuedunderthefixeddesignationD8203;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoverstestproceduresfordeterminingthehorizontalwaterflowratethroughageosyntheticorgeosynthetic-enhancedscreeningdevice,suchasasedimentretentiondevice(SRD),underaconstant-headpressure.Thetestisconductedwithpotablewater.1.2Thistestisintendedtobeusedforqualitycontrolandproductdevelopmentefforts,butshouldnotbeconsideredaperformancetest.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationpurposesonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D4354PracticeforSamplingofGeosyntheticsandRolledErosionControlProducts(RECPs)forTestingD4439TerminologyforGeosyntheticsD5819GuideforSelectingTestMethodsforExperimentalEvaluationofGeosyntheticDurability3.Terminology3.1Definitions:3.1.1Fordefinitionsofcommontechnicaltermsusedinthisstandard,refertoTerminologyD4439.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1geosyntheticscreeningdevice,n—geosyntheticorgeosynthetic-enhancedmaterials,products,ordevicesthatprimarilyprovidethescreeningfunction,...
