Designation:D2278–02StandardTestMethodforFieldEvaluationofWoodPreservativesinRoundPost-SizeSpecimens1ThisstandardisissuedunderthefixeddesignationD2278;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationoftherelativeeffectivenessofwoodpreservativesinroundpostssetinthegroundinfieldplots.Twotestsaredescribed,oneforsmall(3to5in.(80to130mm)indiameter)sapwoodpostswhichisthepreferredtestifmajorinterestliesintestingthepreserva-tivewhenfairlyevenlydistributedthroughoutthepiece,andthesecondforlargeposts(7to10in.(180to250mm)indiameter)whichispreferredwhenthepreservativeistestedunderconditionsofgradientretentionanddistributionnor-mallyencounteredincommercialoperations.1.2Therequirementsforpreparationofthematerialfortestingandthetestproceduresappearasfollows:SectionTestPlot4TestSpecimens5TreatmentProcedure6After-TreatmentHandlingofPosts7InstallationofPosts8InspectionofSpecimens9EvaluationofResults10Reports111.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIequivalentsofinch-poundunitsmaybeapproximate.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:D1413TestMethodforWoodPreservativesbyLaboratorySoil-BlockCultures2D1758TestMethodforEvaluatingWoodPreservativesbyFieldTestswithStakes2D1760SpecificationforPressureTreatmentofTimberProducts23.SummaryofTestMethod3.1Commercial-sizeroundwoodpostsareimpregnatedwithanappropriateseriesofretentionsofapreservativeandarehandledinaccordancewithspecifiedprocedurespriortoexposureinthefield.Theyarethenexposedinthegroundtotheactionofweather,wood-destroyi...
