Designation:D7574−16StandardTestMethodforDeterminationofBisphenolAinEnvironmentalWatersbyLiquidChromatography/TandemMassSpectrometry1ThisstandardisissuedunderthefixeddesignationD7574;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThisprocedurecoversthedeterminationofbisphenolA(BPA)extractedfromwaterutilizingsolidphaseextraction(SPE),separatedusingliquidchromatography(LC)andde-tectedwithtandemmassspectrometry(MS/MS).BPAisqualitativelyandquantitativelydeterminedbythismethod.Thismethodadherestomultiplereactionmonitoring(MRM)massspectrometry.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Themethoddetectionlimit(MDL)andreportinglimit(RL)forBPAarelistedinTable1.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1129TerminologyRelatingtoWaterD1193SpecificationforReagentWaterD2777PracticeforDeterminationofPrecisionandBiasofApplicableTestMethodsofCommitteeD19onWaterD3694PracticesforPreparationofSampleContainersandforPreservationofOrganicConstituentsD3856GuideforManagementSystemsinLaboratoriesEngagedinAnalysisofWaterD5847PracticeforWritingQualityControlSpecificationsforStandardTestMethodsforWaterAnalysisD5905PracticeforthePreparationofSubstituteWastewater2.2OtherDocuments:3TheCodeofFederalRegulations40CFRPart136,Appen-dixB3.Terminology3.1Definitions:3.1.1Fordefinitionsoftermsusedinthisstandard,refertoTerminologyD1129.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1environmentalwater,n—shallrefertowatertestedusingthismethod.SeeSection5.3.2.2independentreferencematerial,...
