Re: Ra-Be source shielding

[tdc@ehssun.lbl.gov (Ted M. de Castro)]

For references I would suggest NCRP 51.

For help - I would suggest that would be the domain of a consultant.  ie. - 
the one who specifies the shielding becomes responsible!


>>I need information/references/help in determining the shielding required 
>>for the following:

>>Ra-Be source: 3 Ci in a 20.7 mm dia.x 35.5 mm long capsule.
>>Dose outside the shielding to be limited to 100 mr/hr.
>>Options:
>>Shield materials: concrete (borated), steel, polyethylene (borated).
>>Containers: 55 gal. drum (22" dia x 33" high)or B-25 box (4'W x 4'H x 6'L)
>>Thanking you for your support,