ML16278A737

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E-mail, D.Cronin (Uftr) to D.Hardesty (Nrc), Regarding Pu-Be Source
ML16278A737
Person / Time
Site: 05000083
Issue date: 10/03/2016
From: Cronin D
Univ Of Florida, Gainesville
To: Duane Hardesty
NRC/NRR/DPR/PRLB
Hardesty D
References
Download: ML16278A737 (2)


Text

1 Hardesty, Duane From:

Cronin,Dan <dcronin@ufl.edu>

Sent:

Monday, October 03, 2016 5:59 PM To:

Hardesty, Duane Cc:

Berglund,Matthew; Shea,Brian C

Subject:

[External_Sender] Re: I asked this before, but I don't recall the answer...

Soundsgood.Thankyou.

DanCronin UniversityofFloridal3524540424Cell

OnOct3,2016,at5:40PM,Hardesty,Duane<Duane.Hardesty@nrc.gov>wrote:

This wording is fine given we will add but not separate.

From:Cronin,Dan[1]

Sent:Monday,October03,20165:23PM To:Hardesty,Duane<Duane.Hardesty@nrc.gov>

Cc:Berglund,Matthew<berglund@ufl.edu>;Shea,BrianC<bshea@ufl.edu>

Subject:

[External_Sender]Re:Iaskedthisbefore,butIdon'trecalltheanswer...

HiDuane,

Basedonourdiscussionearlier,IproposewemakethePu239sealedsourcelicenselimit39grams.Soit readssomethingtotheeffectofToreceive,possess,anduseinconnectionwithoperationofthefacility,up toatotalof39gramsofPu239intheformofsealedplutoniumberylliumneutronsources.

Intheeventourcurrent55yearoldonecuriePuBesourcefailsaleaktestforsomereason,thisamount allowstheUFTRenoughflexibilitytotransfer/borrowasealedonecuriePuBesourcefromtheUFradiation controlofficetocontinueoperationwhilemaintainingpossessionofthefailedsourceuntilwecanproperly disposeofit.Thechoiceof39gramsislargeenoughtoaccommodatetwoonecuriesourceswithsome toleranceanditsanumberthatshouldbeeasyforoperatorstorecall/memorize.(Pu239asinPu239=>

39grams).

Thanks,

DanielJ.Cronin LicensingEngineerlUniversityofFloridaTrainingReactor dcronin@ufl.edul3522942103l3524540424Cell

From:DuaneHardesty<Duane.Hardesty@nrc.gov>

Date:Monday,October3,2016at12:16PM To:BrianShea<bshea@ufl.edu>

Cc:MattBerglund<berglund@ufl.edu>,DanCronin<dcronin@ufl.edu>

Subject:

Iaskedthisbefore,butIdon'trecalltheanswer...

What is the size in grams of the pu-be source? I need it for the license;

2 toreceive,possess,anduse,butnotseparate,inconnectionwithoperationofthefacility,axxgram,1 curiesealedplutoniumberylliumneutronsource DuaneA.Hardesty Sr.ProjectManagerResearch&TestReactors U.S.NuclearRegulatoryCommission MSO12D20 Washington,DC20555 Phone:(301)4153724 fax:(301)4151032