Designation:D3069−94(Reapproved2013)StandardTestMethodforDeliveryRateofAerosolProducts1ThisstandardisissuedunderthefixeddesignationD3069;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thistestmethodcoversthedeterminationofdeliveryrateofaerosolproducts.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D996TerminologyofPackagingandDistributionEnviron-ments3.Terminology3.1Generaldefinitionsforpackaginganddistributionenvi-ronmentsarefoundinTerminologyD996.4.SummaryofTestMethod4.1Thedeliveryrateofanaerosoldispenserisdeterminedbymeasuringthequantityofmaterialexpelledthroughthevalveinagiventime.Theexactdurationofdischargeandthetemperatureofthedispensermustbecarefullycontrolledforgoodreproducibility.4.2Biologicalandclinicaltestsareoftenmadewithoneortwodispensersselectedfromagroupthatissimilarinallrespects,withtheexceptionofdeliveryrate.Whenitisdesirabletoselectdispenserswithequaldeliveryrates,threetestsshouldbeperformedoneachdispenser.4.3Inthecaseofstoragetests,asingledeliveryratetestisnormallyperformedateachexaminationperiodtoconservethecontentsandextendthelifeofthedispenser.5.SignificanceandUse5.1Deliveryratetestsassistinevaluatingoneaspectofvalveperformance,andareconsideredasaprerequisitetobothbiologicalandstoragetesting.6.Apparatus6.1WaterBath,maintainedat7060.5°F(2160.25°C)(8060.5°F(2660.25°C)forinsecticides),tomatchPeet-Gradytestrequirements,withascreenorperforatedmetalshelf1in.(25mm)abovethebottomofthebath.6.2Stirrer,airorelectric.6.3Balance,0.1-gsca...
