Designation:D5659−14StandardTestMethodforChlorophenoxyAcidHerbicidesinWasteUsingHPLC1ThisstandardisissuedunderthefixeddesignationD5659;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoverstheanalysisof2,4-dichlorophenoxyaceticacid(2,4-D),2,4,5-trichlorophenoxyaceticacid(2,4,5-T),and2,4,5-trichlorophenoxypropionicacid(silvex)inliquidsandsolids,usinghighperformanceliquidchromatographywithanultra-violetdetector(HPLC/UV).Thistestmethodisapplicableforaconcentrationrangefromapproximately50to1000ppm.ThisrangetakesintoconsiderationthesamplepreparationanddilutionsoutlinedinSection10.Lowerdetectionlevelscanbeobtainedbyusinglargersamplesizes,smallertotalfinalvolumes,orwiththeuseofin-lineorsolidphaseextraction,concentration,orcleanup,orcombinationsthereof.1.2Thechlorophenoxyherbicidesmaybepresentasavarietyofsaltsoresters,whichareconvertedto,analyzed,andreportedastheirrespectiveacids.1.3Thistestmethodisapplicabletoliquidandsolidwasteandwasteextractmatricesincludingaqueous,oil,spentsolvent,soil,ash,leachates,etc.1.4Thistestmethodmaybeapplicabletootherphenoxyacidherbicides.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.SeeSection7and10.3.1forspecificprecautionarystatements.2.ReferencedDocuments2.1ASTMStandards:2D1193SpecificationforReagentWater2.2EPADocuments:Method8150ChlorinatedHerbicides,TestMethodsforEvaluatingSolidWastePhysical/ChemicalMethodsSW-846ThirdEdition3Method8000AGasChromatography,TestMethodsforEvaluatingSolidWastePhysical/ChemicalMethods,SW-846,3rdEdition,FinalUpdate13Method555DeterminationofChlorinatedAcidsinWaterbyHighPerformanceLiquidChro...
