【英文标准名称】:StandardGuideforDevelopingMethodologyforEvaluatingtheAbilityofIndoorMaterialstoSupportMicrobialGrowthUsingStaticEnvironmentalChambers
【原文标准名称】:确定用静态环境室评价支持微生物生长的室内物质的能力的方法的标准指南
【标准号】:ASTMD6329-1998(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D22.05
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:bacterialgrowth;buildingmaterial;fungalgrowth;indoorairquality;indoorsinks;indoorsources;materialsusceptability;microorganisms;staticchamber;Fungalinfluence/resistance;Indoorairanalysis;Microbialenvironments;Microbiologica
【摘要】:Thestaticchambershaveseveraldifferentapplications:4.1.1Thestaticchamberscanbeusedtocomparethesusceptibilityofdifferentmaterialstothecolonizationandamplificationofvariousmicroorganismsunderdefinedconditions.4.1.2Chambersoperatedathighrelativehumiditiesmaybeusedtoperformworstcasescenarioscreeningtestsonmaterialsbyprovidinganatmospherewhereenvironmentalconditionsmaybefavorableformicrobialgrowth.4.1.3Useofmultiplechamberswithdifferentenvironmentalparameters,suchasarangeofrelativehumidities,permitstheevaluationofmultiplemicroenvironmentsandallowsinvestigationofmaterialsunderdifferingenvironmentalconditions.4.1.4Dryingrequirementsforwettedmaterialsmayalsobeinvestigated.Thisinformationmayberelevantfordeterminingmaterialresistancetomicrobialgrowthafterbecomingwet.Theseconditionsmaysimulatethosewherematerialsaresubjectedtowaterincursionthroughleaksaswellasduringremediationofabuildingafterafire.4.1.5Growthratesofmicroorganismsonthematerialmayalsobeinvestigated.Onceithasbeenestablishedthatorganismsareabletogrowonaparticularmaterialunderdefinedconditions,investigationsintotherateoforganismgrowthmaybeperformed.Theseevaluationsprovidebaselineinformationandcanbeusedtoevaluatemethodstolimitorcontainamplificationofmicroorganisms.Thesetechniquesshouldbeperformedbypersonnelwithtraininginmicrobiology.Theindividualmustbecompetentintheuseofsteriletechnique,whichiscriticaltoexcludeexternalcontaminationofmaterials.1.1Manydifferenttypesofmicroorganisms(forexample,bacteria,fungi,viruses,algae)canoccupyindoorspaces.Materialsthatsupportmicrobialgrowtharepotentialindoorsourcesofbiocontaminants(forexample,sporesandtoxins)thatcanbecomeairborneindoorbiopollutants.Thisguidedescribesasimple,relativelycosteffectiveapproachtoevaluatingtheabilityofavarietyofmaterialstosupportmicrobialgrowthusingasmallchambermethod.1.2Thisguideisintendedtoassistgroupsinthedevelopmentofspecifictestmethodsforadefinitematerialorgroupsofmaterials.1.3Staticchambershavecertainlimitations.Usually,onlysmallsamplesofindoormaterialscanbeevaluated.Caremustbetakenthatthesesamplesarerepresentativeofthematerialsbeingtestedsothatatrueevaluationofthematerialisperformed.1.4Staticchambersprovidecontrolledlaboratorymicroenvironmentconditions.Thesechambersarenotintendedtoduplicateroomconditions,andcaremustbetakenwheninterpretingtheresults.Staticchambersarenotasubstitutefordynamicchambersorfieldstudies.1.5Avarietyofmicroorganisms,specificallybacteriaandfungi,canbeevaluatedusingthesechambers.Thisguideisnotintendedtoprovidehumanhealtheffectdata.However,organismsofclinicalinterest,suchasthosedescribedaspotentiallyallergenic,maybestudiedusingthisapproach.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z04
【国际标准分类号】:07_100_99
【页数】:6P.;A4
【正文语种】:英语