Designation:D7788−14StandardPracticeforCollectionofTotalAirborneFungalStructuresviaInertialImpactionMethodology1ThisstandardisissuedunderthefixeddesignationD7788;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thepurposeofthispracticeistodescribeproceduresforthecollectionofairbornefungalsporesorfragments,orboth,usinginertialimpactionsamplingtechniques.1.2Thispracticeisnotintendedtolimittheuserfromthecollectionofotherairborneparticulatesthatmaybeofinterestandcapturedthroughthistechnique.1.3Thispracticepresumesthattheuserhasafundamentalunderstandingoffieldinvestigativetechniquesrelatedtothescientificprocess,andsamplingplandevelopmentandimple-mentation.Itisimportanttoestablishtherelatedhypothesistobetestedandthesupportinganalyticalmethodologyneededinordertoidentifythesamplingmediatobeusedandthelaboratoryconditionsforanalysis.1.4Thispracticedoesnotaddressthedevelopmentofaformalhypothesisortheestablishmentofappropriateanddefensibleinvestigationandsamplingobjectives.Itispre-sumedtheinvestigatorhastheexperienceandknowledgebasetoaddresstheseissues.1.5Thispracticedoesnotprovidetheusersufficientinfor-mationtoallowforinterpretationoftheanalyticalresultsfromsamplecollection.Itistheuser’sresponsibilitytoseekorobtaintheinformationandknowledgenecessarytointerpretthesampleresultsreportedbythelaboratory.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1356TerminologyRelatingtoSamplingandAnalysisofAtmospheresD3195/D3195MPracticeforRo...
