Designation:D1976−20StandardTestMethodforElementsinWaterbyInductively-CoupledPlasmaAtomicEmissionSpectroscopy1ThisstandardisissuedunderthefixeddesignationD1976;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthedeterminationofdissolved,total-recoverable,ortotalelementsindrinkingwater,groundwater,surfacewater,domestic,commercialorindustrialwastewaters,2,3withinthefollowingconcentrationrangesofTable1.1.2Itistheuser’sresponsibilitytoensurethevalidityofthetestmethodforwatersofuntestedmatrices.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeNote2andSection9.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:4D1066PracticeforSamplingSteamD1129TerminologyRelatingtoWaterD1193SpecificationforReagentWaterD2777PracticeforDeterminationofPrecisionandBiasofApplicableTestMethodsofCommitteeD19onWaterD3370PracticesforSamplingWaterfromFlowingProcessStreamsD4841PracticeforEstimationofHoldingTimeforWaterSamplesContainingOrganicandInorganicConstituentsD5673TestMethodforElementsinWaterbyInductivelyCoupledPlasma—MassSpectrometryD5744TestMethodforLaboratoryWeatheringofSolidMaterialsUsingaHumidityCellD5810GuideforSpikingintoAqueousSamplesD5847Pr...