ML20133L063

Responds to for Establishment of Min Spacing Requirements for Shipping Containers

ML20133L063
Person / Time
Site:	07000036
Issue date:	08/28/1958
From:	Johnson L US ATOMIC ENERGY COMMISSION (AEC)
To:	Leaders W MALLINCKRODT, INC.
Shared Package
ML20133G976	List: ML20133G999 ML20133H026 ML20133H053 ML20133H071 ML20133H111 ML20133H128 ML20133H160 ML20133H168 ML20133H186 ML20133H229 ML20133H299 ML20133H318 ML20133H326 ML20133H329 ML20133H342 ML20133H366 ML20133H375 ML20133H381 ML20133H398 ML20133H401 ML20133H417 ML20133H439 ML20133H445 ML20133H452 ML20133H455 ML20133H469 ML20133H475 ML20133H480 ML20133H501 ML20133H519 ML20133H532 ML20133H537 ML20133H564 ML20133H600 ML20133H624 ML20133H639 ML20133H646 ML20133H688 ML20133H705 ML20133H765 ML20133H774 ML20133H797 ML20133H805 ML20133H823 ML20133H828 ML20133H830 ML20133H832 ML20133H847 ML20133H858 ML20133H859 ... further results
References
FOIA-96-343 NUDOCS 9701210472
Download: ML20133L063 (2)

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Mallinekrodt Chemical Works i

Second and Mallinckrodt Streets i

j St. Louie 7, Missouri i

A ttentions Mr. W. H. Leaders l

Special Metals Division f

4 Gentlemen:

1 The fellowing are our connente regarding the request in your letter of July 7,1958, for the establishment of a minimma spacing require-ment for shipping containerse 4

l The midman spacing which is safe for any tue particular *rmfe batshee" is a function of the eine and ohnpo of the tue udte. It is also a -

N fanation of the neutron amitiplicattom et the idividuni hatches, which in turn depende on the physical and smalear properties of the matseial semprising them. Furthemese, the minimes safe spesing for a of l

asse th.m tue udte is diffesent from that for tue, and for i

unite the saco spostag depente met only open the number et emite spe. the any in skiek they are arreegd.

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Thus aar univeesal figees for the distenes to be meisteleet betosen j

• sese matenes= meet necesarily h hsger then the dd-m spadog that j

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Mallinckrodt Chemical Works For these rannons we have not yet been able to accept c single value of spacing which may be utilized under any condition, without con-sideration of the other factors involved.

A somewhat general buide for spacing, which takes into account the nise, insmber, shape, and multiplication of the unita isolved :ay be found in the unclassified version of K-1019, Fourth Revisibn. Other guides are given in some of the other oritical mass data collections, tasinding LA 2063 and LA-1875.

Very truly yours, Igall Johnson Chief, IAcensing Branch Division of Licensing & Regulation i

Distribution l

Suppl. file TWEWEbebte h.

Dr. & Div. rf's.

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