Designation:D3871−84(Reapproved2011)StandardTestMethodforPurgeableOrganicCompoundsinWaterUsingHeadspaceSampling1ThisstandardisissuedunderthefixeddesignationD3871;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofmostpurgeableorganiccompoundsthatboilbelow200°Candarelessthan2%solubleinwater.Itcoversthelowµg/Ltolowmg/Lconcentrationrange(seeSection15andAppendixX1).1.2Thistestmethodwasdevelopedfortheanalysisofdrinkingwater.Itisalsoapplicabletomanyenvironmentalandwastewaterswhenvalidation,consistingofrecoveringknownconcentrationsofcompoundsofinterestaddedtorepresenta-tivematrices,isincluded.1.3Volatileorganiccompoundsinwateratconcentrationsabove1000µg/LmaybedeterminedbydirectaqueousinjectioninaccordancewithPracticeD2908.1.4Itistheuser’sresponsibilitytoassurethevalidityofthetestmethodforuntestedmatrices.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Specificprecau-tionarystatementsaregivenin8.5.5.1.2.ReferencedDocuments2.1ASTMStandards:2D1129TerminologyRelatingtoWaterD1193SpecificationforReagentWaterD2908PracticeforMeasuringVolatileOrganicMatterinWaterbyAqueous-InjectionGasChromatographyE355PracticeforGasChromatographyTermsandRelation-ships3.Terminology3.1Definitions—Fordefinitionsoftermsusedinthistestmethod,refertoTerminologyD1129andPracticeE355.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1purgeableorganic—anyorganicmaterialthatisre-movedfromaqueoussolutionunderthepurgingconditionsdescribedinthistestmethod(10.1.1)....