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Registry of Radioactive Sealed Sources & Devices,Safety Evaluation of Sealed Source for model 4P6E & 4F3F.Amended in entirety.Certificate:NR-460-S-871-S.

Accession Number: ML20247R301

Date Released: Thursday, October 24, 2024

Package Contents

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• ML20248B250 - Informs that info submitted w/680815 ltr re model 4P6E Cs-137 gamma source has been placed in file for use in evaluating customer applications. (1 page(s), 9/30/1968)
• ML20248B312 - Informs that info submitted in 711227 ltr re model 4F3F source has been found acceptable for licensing of possession & use of byproduct matl. (1 page(s), 3/8/1972)
• ML20247R383 - Requests that Source Models 4P6E & 4P6M be placed in inactive file. (1 page(s), 12/12/1990)
• ML20247R400 - Continues to conclude that Model 4P6E gamma source acceptable for specific licensing purposes,based on info & test data submitted in 900109 ltr. (3 page(s), 9/20/1990)
• ML20247R410 - Forwards update of 3M Model 4P6E for sealed source & device registry sheets. (36 page(s), 1/9/1990)
• ML20247R431 - Places on file info re Co-60 gamma source,Model 4F3F. (1 page(s), 12/27/1971)
• ML20247R443 - Places on file info re Cs-137 gamma source,Model 4P6E. Source primarily designed for gauging applications. (4 page(s), 8/15/1968)