CommonGround,ConsensusBuildingandContinualImprovement:InternationalStandardsandSustainableBuildingSTP1503A.R.K.BennettD.F.MeadowsEditorsSTP1503CommonGround,ConsensusBuildingandContinualImprovement:StandardsandSustainableBuildingFirstInternationalSymposiumAlisonKinnBennettandDruMeadows,editorsASTMStockNumber:STP1503ASTMInternational100BarrHarborDrivePOBoxC700WestConshohocken,PA19428-2959PrintedintheU.S.A.LibraryofCongressCataloging-in-PublicationDataISBN:978-0-8031-4507-8Copyright©2009ASTMINTERNATIONAL,WestConshohocken,PA.Allrightsreserved.Thismaterialmaynotbereproducedorcopied,inwholeorinpart,inanyprinted,mechanical,electronic,film,orotherdistributionandstoragemedia,withoutthewrittenconsentofthepublisher.Textprintedon30%post-consumerrecycledpaper.PhotocopyRightsAuthorizationtophotocopyitemsforinternal,personal,oreducationalclassroomuse,ortheinternal,personal,oreducationalclassroomuseofspecificclients,isgrantedbyASTMInternationalprovidedthattheappropriatefeeispaidtoASTMInternational,100BarrHarborDrive,P.O.BoxC700,WestConshohocken,PA19428-2959,Tel:610-832-9634;online:http://www.astm.org/copyright/TheSocietyisnotresponsible,asabody,forthestatementsandopinionsexpressedinthispublication.ASTMInternationaldoesnotendorseanyproductsrepresentedinthispublication.PeerReviewPolicyEachpaperpublishedinthisvolumewasevaluatedbytwopeerreviewersandatleastoneeditor.Theauthorsaddressedallofthereviewers’commentstothesatisfactionofboththetechnicaleditor�s�andtheASTMInternationalCommitteeonPublications.Thequalityofthepapersinthispublicationreflectsnotonlytheobviouseffortsoftheauthorsandthetechnicaleditor�s�,butalsotheworkofthepeerreviewers.Inkeepingwithlong-standingpublicationpractices,ASTMInternationalmaintainstheanonymityofthepeerreviewers.TheASTMInternationalCommitteeonPublicationsacknowledgeswithappreciationtheirdedicationandcontributionoftimeandeffortonbehalfofASTMInternational.CitationofPapersWhencitingpapersfromthispublication,theappropriatecitationincludesthepaperauthor�s...