Designation:D7557/D7557M−09(Reapproved2013)´1StandardPracticeforSamplingofExpandedPolystyreneGeofoamSpecimens1ThisstandardisissuedunderthefixeddesignationD7557/D7557M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—UnitsinformationwaseditoriallycorrectedinJuly2013.1.Scope1.1Thispracticeprovidesguidanceonthelocation,frequency,andmethodofsamplingrepresentativespecimensfromlargeblocksofExpandedPolystyrene(EPS)Geofoam.1.2Thispracticeisnotintendedtoreplaceprofessionaljudgmentsnorshouldthisguidebeappliedwithoutconsider-ationofaproject’smanyuniqueaspects.1.3Theword“standard”inthetitleofthisguidemeansonlythatthisguidehasbeenapprovedthroughtheASTMInternationalconsensusprocess.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D4439TerminologyforGeosyntheticsD6817SpecificationforRigidCellularPolystyreneGeo-foam2.2ISOStandard:3ISO/IEC17025:2005GeneralRequirementsfortheCom-petenceofTestingandCalibrationLaboratories3.Terminology3.1Definitions—FordefinitionsofgeneralgeosynthetictermsusedinthisstandardrefertoTerminology,D4439.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1GeofoamLot—adefinitequantityofEPSGeofoammanufacturedunderconditionsofproductionthatareconsid-ereduniform.4.SummaryofPractice4.1EPSGeofoamiscommonlyusedingeotechnicalappli-cationswhenanextremelylightw...
