Designation:D1758–06StandardTestMethodofEvaluatingWoodPreservativesbyFieldTestswithStakes1ThisstandardisissuedunderthefixeddesignationD1758;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversacceleratedproceduresfordeterminingtherelativepermanenceandeffectivenessofwoodpreservativesinstakesexposedinfieldplots.1.2Therequirementsforpreparationofthematerialfortestingandthetestproceduresappearinthefollowingorder:SectionsSummaryofTestMethod3TestPlot4TestSpecimens5PretreatmentSelectionofTestStakes6TreatmentProcedure7AfterTreatmentHandlingofTestStakes8InstallationofStakes9InspectionofSpecimens10EvaluationofResults11Reports121.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D246TestMethodforDistillationofCreosoteandCreosote-CoalTarSolutionsD390SpecificationforCoal-TarCreosoteforthePreserva-tiveTreatmentofPiles,Poles,andTimbersforMarine,Land,andFreshwaterUseD1413TestMethodforWoodPreservativesbyLaboratorySoil-BlockCulturesD1625SpecificationforChromatedCopperArsenate3.SummaryofMethod3.1Woodstakesareimpregnatedwithanappropriateseriesofretentionsofapreservative,andthenhandled,priortoexposureinthefield,accordingtospecifiedprocedures.Thetreatedstakesareexposedinthegroundtotheactionofwood-destroyingfungiandtermitesinoneormoreselectedfieldplots.Anindexofconditiondeterminedfromgradesassignedtothestakesfordegreeofdecayandtermiteattack,inthecourseofperiodicinspections,isusedtoexpressresultsperiodicallyandattheterminationof...
