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Registry of Radioactive Sealed Sources & Devices,Safety Evaluation of Sealed Source for model 4F3G. Certificate:NR-460-S-915-S.

Accession Number: ML20247R634

Date Released: Thursday, October 24, 2024

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• ML20247R759 - Informs of completion of evaluation of info submitted in & w/720331 & 720218 ltrs.Model 4F3G source acceptable for licensing of possession & use of byproduct matl. (1 page(s), 6/9/1972)
• ML20247R827 - Refers to 720218 ltr which referenced previously submitted info in describing 4F3G source.Requests that in future correspondence specific ref be made to documents containing info that licensee wishes to incorporate. (8 page(s), 3/27/1972)
• ML20247R854 - Ack receipt of 720327 ltr re Model 4F3G.Informs that in future submissions,attempt will be made to make more specific ref to documents,as required.Informs that labeling methods for Models 4F3G & 4P6E are identical. (1 page(s), 3/31/1972)
• ML20247R887 - Provides info re Co-60 gamma source,Model 4F3G,to place on file.Informs that source primarily designed for use in gauging applications & sources to be fabricated using Co-60 in form of 3M Radiating Microspheres. (1 page(s), 2/18/1972)