Designation:D6329−98(Reapproved2015)StandardGuideforDevelopingMethodologyforEvaluatingtheAbilityofIndoorMaterialstoSupportMicrobialGrowthUsingStaticEnvironmentalChambers1ThisstandardisissuedunderthefixeddesignationD6329;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Manydifferenttypesofmicroorganisms(forexample,bacteria,fungi,viruses,algae)canoccupyindoorspaces.Materialsthatsupportmicrobialgrowtharepotentialindoorsourcesofbiocontaminants(forexample,sporesandtoxins)thatcanbecomeairborneindoorbiopollutants.Thisguidedescribesasimple,relativelycosteffectiveapproachtoevalu-atingtheabilityofavarietyofmaterialstosupportmicrobialgrowthusingasmallchambermethod.1.2Thisguideisintendedtoassistgroupsinthedevelop-mentofspecifictestmethodsforadefinitematerialorgroupsofmaterials.1.3Staticchambershavecertainlimitations.Usually,onlysmallsamplesofindoormaterialscanbeevaluated.Caremustbetakenthatthesesamplesarerepresentativeofthematerialsbeingtestedsothatatrueevaluationofthematerialisperformed.1.4Staticchambersprovidecontrolledlaboratorymicroen-vironmentconditions.Thesechambersarenotintendedtoduplicateroomconditions,andcaremustbetakenwheninterpretingtheresults.Staticchambersarenotasubstitutefordynamicchambersorfieldstudies.1.5Avarietyofmicroorganisms,specificallybacteriaandfungi,canbeevaluatedusingthesechambers.Thisguideisnotintendedtoprovidehumanhealtheffectdata.However,organ-ismsofclinicalinterest,suchasthosedescribedaspotentiallyallergenic,maybestudiedusingthisapproach.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminethea...