Designation:D7491−21StandardGuideforManagementofNon-ConformingCoatingsinCoatingServiceLevelIAreasofNuclearPowerPlants1ThisstandardisissuedunderthefixeddesignationD7491;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguideprovidestheuserwithguidanceondevelop-ingaprogramformanagingnon-conformingcoatingsinCoatingServiceLevelIareasofanuclearpowerplant.1.2Non-conformingcoatingsincludedegradedqualifiedoracceptablecoatings,unqualifiedcoatings,unknowncoatings,andunacceptablecoatings.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D4538TerminologyRelatingtoProtectiveCoatingandLiningWorkforPowerGenerationFacilities2.2OtherDocuments:RegulatoryGuide1.54Revision0,QualityAssuranceRe-quirementsforProtectiveCoatingsAppliedtoWater-CooledNuclearPowerPlants3RegulatoryGuide1.54Revision1,ServiceLevelI,II,andIIIProtectiveCoatingsAppliedtoNuclearPowerPlants3RegulatoryGuide1.54Revision2,ServiceLevelI,II,andIIIProtectiveCoatingsAppliedtoNuclearPowerPlants3RegulatoryGuide1.54Revision3,ServiceLevelI,II,andIIIandIn-ScopeLicenseRenewalProtectiveCoatingsAppliedtoNuclearPowerPlants3EPRI1019157PlantSupportEngineering:GuidelineonNuclearSafety-RelatedCoatings,Revision2(formerlyTR109937and1003102)43.Terminology3.1Definitions—Definitionsforusewiththisguid...
