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ASME无损检测人员资格鉴定和认证WrittenPracticeforQualificationandCertificationofNDEPersonnel1Scope1.1ThiswrittenpracticeprovidesguidelineforthequalificationandcertificationofNDEpersonnelwhoareengagedinASMECodeproductsmanufacturing.1.2ThispracticeshallbeincompliancewiththerequirementsofSNT-TC-1A(currentCodeacceptededition).2.Definitions2.1Termsincludedinthispracticearedefinedasfollows:1)Qualification:Demonstratedskilldemonstratedknowledgedocumentedtraininganddocumentedexperiencerequiredforpersonneltoproperlyperformthedutiesofaspecificjob.2)Certification:Writtentestimonyofqualification.3)Training:Theorganizedprogramdevelopedtoimparttheknowledgeandskillsnecessaryforqualification.4)Experience:WorkactivitiesaccomplishedinaspecificNDEmethodunderthedirectionofqualifiedsupervisionincludingtheperformanceoftheNDEmethodandcorrespondingworkingscopebutnotincludingtimespentinorganizedtrainingprograms.5)Certificate:Certifieddocument.3.NondestructiveTestingMethodsQualificationandcertificationofNDEpersonnelinaccordancewiththispracticeisapplicabletothefollowingmethods:1)RadiographicTesting(RT)2)UltrasonicTesting(UT)3)LiquidPenetrationTesting(PT)4)MagneticParticleTesting(MT)4.LevelsofQualification4.1Therearethree(3)basicLevelsofqualificationforNDEindividualsinaccordancewithSNT-TC-1A(currentCodeacceptededition).Whileintheprocessofbeingqualifiedandcertifiedanindividualshallbeconsideredatrainee.AtraineeshallworkwithacertifiedindividualandshallnotindependentlyconductinterpretevaluateorreporttheresultsofanyNDE.4.3ThethreebasicLevelsofqualificationareasfollows:(1)NDELevelI:AnNDELevelIindividualshallbequalifiedtoproperlyperformspecificcalibrationsandevaluationsforacceptanceorrejectiondeterminationsaccordingtowritteninstruc