Designation:D4082−10StandardTestMethodforEffectsofGammaRadiationonCoatingsforUseinNuclearPowerPlants1ThisstandardisissuedunderthefixeddesignationD4082;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversastandardprocedureforevalu-atingthelifetimeradiationtoleranceofcoatingstobeusedinnuclearpowerplants.ThistestmethodisapplicabletoCoatingServiceLevelsI,II,andIII.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.2.ReferencedDocuments2.1ASTMStandards:2D659MethodforEvaluatingDegreeofChalkingofExteriorPaints(Withdrawn1990)3D660TestMethodforEvaluatingDegreeofCheckingofExteriorPaintsD661TestMethodforEvaluatingDegreeofCrackingofExteriorPaintsD714TestMethodforEvaluatingDegreeofBlisteringofPaintsD772TestMethodforEvaluatingDegreeofFlaking(Scal-ing)ofExteriorPaintsD4538TerminologyRelatingtoProtectiveCoatingandLiningWorkforPowerGenerationFacilitiesD5139SpecificationforSamplePreparationforQualifica-tionTestingofCoatingstobeUsedinNuclearPowerPlants3.Terminology3.1Definitions—DefinitionsforusewiththisTestMethodareshowninTerminologyD4538orotherreferencedstan-dards.4.SignificanceandUse4.1Thistestmethodisdesignedtoprovideauniformtesttoassessthesuitabilityofcoatings,usedinnuclearpowerfacilities,underradiationexposureforthelifeofthefacilities,includingradiationduringaDBA(CoatingServiceLevelIareasonly).Specificplantradiationexposuremayexceedorbelessthantheamountspecifiedin7.2ofthisstandard.Ifrequiredbythelicenseedesignbasis,thegammadoseusedmayexceedtheactualanticipatedplantgammadosetoaccountforbetadose.CoatingsinLevelIIandIIIareas(outsideprimarycontainment)areexpectedtobeexposedtoloweraccumulatedradiationdoses.5.Preparati...
