Designation:E2600−15StandardGuideforVaporEncroachmentScreeningonPropertyInvolvedinRealEstateTransactions1ThisstandardisissuedunderthefixeddesignationE2600;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Purpose—Thepurposeofthisguideistoprovidepracticalguidanceandausefulprocessforconductingavaporencroachmentscreen(VES)onapropertyparcelinvolvedinarealestatetransactionintheUnitedStatesofAmericawithrespecttochemicalsofconcern(COC)thatmaymigrateasvaporsintothevadosezoneofapropertyasaresultofcontaminatedsoiland/orgroundwateronorneartheproperty.ThisguidemaybeusedinconjunctionwithPracticeE1527butdoesnotalterorinanywaydefinethescopeofthatpractice.Inaddition,performanceofthisguideisnotarequirementofanddoesnotconstitute,expand,orinanywaydefine“allappropriateinquiry”asdefinedandapprovedbytheU.S.EnvironmentalProtectionAgency(EPA)undertheCompre-hensiveEnvironmentalResponse,Compensation,andLiabilityAct(CERCLA)andtheregulationsthereunder,including40CFRSec.312.11.1.1.1VaporEncroachmentCondition(VEC)—ThegoalofconductingaVES,asestablishedbythisguide,onaparcelofpropertyistoidentifyavaporencroachmentcondition(VEC),whichisthepresenceorlikelypresenceofCOCvaporsinthevadosezoneofthetargetproperty(TP)causedbythereleaseofvaporsfromcontaminatedsoiland/orgroundwatereitheronorneartheTPasidentifiedbyTier1(seeSection8)orTier2(seeSection9)procedures.1.1.2Federal,State,andLocalEnvironmentalLaws—Thisguidedoesnotaddressrequirementsofanyfederal,state,orlocallawswithrespecttovaporintrusion.Usersarecautionedthatfederal,state,andlocallaws,regulations,orpolicymayimposevaporencroachmentscreeningorvaporintrusionassessmentobligationsthatarebeyondthescopeofthisguide(informationisprovidedinAppendixX5andAppendixX9).Usersshouldalsobeawarethattheremaybeotherlegalobligations,forexample,discl...
