Designation:D6520−06(Reapproved2012)StandardPracticefortheSolidPhaseMicroExtraction(SPME)ofWateranditsHeadspacefortheAnalysisofVolatileandSemi-VolatileOrganicCompounds1ThisstandardisissuedunderthefixeddesignationD6520;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversproceduresfortheextractionofvolatileandsemi-volatileorganiccompoundsfromwateranditsheadspaceusingsolid-phasemicroextraction(SPME).1.2ThecompoundsofinterestmusthaveagreateraffinityfortheSPME-absorbentpolymeroradsorbentorcombinationsofthesethanthewaterorheadspacephaseinwhichtheyreside.1.3NotalloftheanalytesthatcanbedeterminedbySPMEareaddressedinthispractice.Theapplicabilityoftheabsor-bentpolymer,adsorbent,orcombinationthereof,toextractthecompound(s)ofinterestmustbedemonstratedbeforeuse.1.4Thispracticeprovidessampleextractssuitableforquantitativeorqualitativeanalysisbygaschromatography(GC)orgaschromatography-massspectrometry(GC-MS).1.5Whereused,itistheresponsibilityoftheusertovalidatetheapplicationofSPMEtotheanalysisofinterest.1.6ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection10.2.ReferencedDocuments2.1ASTMStandards:2D1129TerminologyRelatingtoWaterD1193SpecificationforReagentWaterD3370PracticesforSamplingWaterfromClosedConduitsD3694PracticesforPreparationofSampleContainersandforPreservationofOrganicConstituentsD3856GuideforManagementSystemsinLaboratoriesEngagedinAnalysisofWaterD4210PracticeforIntralaboratoryQualityControlProce-duresandaDiscussiononReportingLow-LevelData(Withdrawn2002)3D4448G...
