Designation:D4856−11StandardTestMethodforDeterminationofSulfuricAcidMistinWorkplaceAtmospheresCollectedonMixedCelluloseEsterFilters(IonChromatographicAnalysis)1ThisstandardisissuedunderthefixeddesignationD4856;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisionchromatographictestmethoddescribesthedeterminationofsulfuricacidmistinairsamplescollectedfromworkplaceatmospheresonamixedcelluloseester(MCE)filter.NOTE1—Otherfiltertypessuchasquartzfiber,polytetrafluoroethylene(PTFE),andpolyvinylchloride(PVC)filtersarealsosuitable.1.2Thelowerdetectionlimitofthistestmethodis0.001mg/sampleor0.017mg/m3ofsulfuricacid(H2SO4)mistin60Lofairsampledat1L/min.1.3Thistestmethodissubjecttointerferencefromsolubleandpartiallysolublesulfatesalts.Othersulfur-containingcompoundscanbeoxidizedtosulfateandalsointerfere.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Nodetailedinstrumentoperatinginstructionsarepro-videdbecauseofdifferencesamongvariousmakesandmodelsofionchromatography(IC)systems.Instead,theanalystshallfollowtheinstructionsprovidedbythemanufactureroftheparticularinstrument,analyticalcolumn,andsuppressorsused.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecificprecautionarystatements,seeSection9.2.ReferencedDocuments2.1ASTMStandards:2D1193SpecificationforReagentWaterD1356TerminologyRelatingtoSamplingandAnalysisofAtmospheresD1914PracticeforConversionUnitsandFactorsRelatingtoSamplingandAnalysisofAtmospheresD4327TestMethodforAnionsinWaterbySuppressedIonChromatographyE200PracticeforPreparation,Standardization,...
