Designation:D6661−17StandardPracticeforFieldCollectionofOrganicCompoundsfromSurfacesUsingWipeSampling1ThisstandardisissuedunderthefixeddesignationD6661;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticeaddressessamplingoforganiccompounds(thatis,PCBs,dioxins,manypesticidesandsimilarcom-pounds)fromsmoothnonporoussurfacesusingasolvent-wettedwipesamplingmethod.Samplesarecollectedinamannerthatpermitsthesolventextractionoftheorganiccompound(s)ofinterestfromthewipesandsubsequentdeter-minationusingalaboratoryanalysistechniquesuchasgaschromatographywithasuitabledetector.Thispracticeis,however,unsuitableforthecollectionofvolatileorganiccompounds.1.2Thispracticeshouldonlybeusedtocollectsamplesforthedeterminationoforganiccompound(s)onaloadingbasis(forexample,massperunitarea).Itcannotbeusedtocollectsamplesforthedeterminationoforganiccompoundsonaconcentrationbasis(forexample,massperunitmass).1.3Thiswipesamplingpracticeisnotrecommendedforcollectingsamplesoforganiccompoundsfromroughorporoussurfacessuchasupholstery,carpeting,brick,roughconcrete,ceilingtiles,andbarewood.Itisalsonotintendedforthecollectionofdustsamples(seeGuideE1278)orsamplingtoestimatehumanexposuretocontaminatedsurfaces.1.4Toensurevalidconclusionsarereached,asufficientnumberofsamplesmustbeobtainedasdirectedbyasamplingdesign(thenumberandlocationofsamplesincludingqualitycontrolsamples)andaqualityassurance/qualitycontrolplan.Thispracticedoesnotaddressthesamplingdesignsusedtoachievethedataqualityobjectives(seePracticeD5792).1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,...