Designation:E2733−10(Reapproved2015)StandardGuideforInvestigationofEquipmentProblemsandReleasesforPetroleumUndergroundStorageTankSystems1ThisstandardisissuedunderthefixeddesignationE2733;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.INTRODUCTIONThisguideprovidesaframeworkforthedevelopmentofproceduresanddirectionsfortheinvestigationofequipmentproblemsassociatedwithpetroleumundergroundstoragetank(UST)systemsandreleases.Itgivestheuserpracticalsuggestionsofhowtoinvestigateequipmentandinstallationproblems,documentfindings,andinsomecasespreparesamplesoffailedequipmentforlaboratoryanalysis.Useofthisguidemayresultintheidentificationofequipmentandinstallationproblemsthatcanbecorrectedinfuturetanksystemdesignsandequipmentmaintenanceprogramstopreventreleasestotheenvironment.1.Scope1.1Overview—Thisguideisanorganizedcollectionofinformationandseriesofoptionsforindustry,regulators,consultantsandthepublic,intendedtoassistwiththedevel-opmentofinvestigationprotocolsforundergroundstoragetankfacilitiesintheUnitedStates.Whiletheguidedoesnotrecommendaspecificcourseofaction,itestablishesaninvestigationframework,anditprovidesaseriesoftechniquesthatmaybeemployedto:identifyequipmentproblems;insomecasespreparesamplesoffailedequipmentforlaboratoryanalysis;anddocumenttheinvestigation.Theguideincludesinformationonmethodsofinvestigation,documentation,tak-ingsamplesofproblemequipment;preservationofequipmentsamples;chainofcustody;storage;shipping;workingwithequipmentmanufacturers;andnotificationofregulatorsandlistinglaboratories.Thegoalinusingtheguideistoidentifytheappropriatelevelofinvestigationandtogatherandpreserveinformationinanorganizedmanner,whichcouldbeusedinthefuturetoimprovesystemdesignorperformance.Whilethisguidemayactasastartingpointforuserswithlimitedexperienceinfailureinves...
