70. 



ship the lead, i.e., the shield that contains the slugs. Calculations 

 were made for a hollow sphere about 4 1/2 feet internal diameter 

 with a capacity of about 500 gallons as envisioned at Oak Ridge for 

 transporting liquid waste. With a 12 -inch wall, skids, base, and 

 structural steel, the cask would probably weigh approximately 50 tons. 

 Some of the weight was the waste itself. The liquid waste that presum- 

 ably would go into this contained the maximum activity mentioned by 

 Dr. Culler in his first discussion, namely, 2000 curies per gallon. 

 At 9 cents per ton mile, it would cost about $14 per gallon to ship 1000 

 miles . 



Remember that these calculations were on data obtained from the 

 shipment of slugs, which are the only data available. There has been 

 no shipment of liquid waste; possibly on a modified basis of 200 gallons 

 in a container of 4 inches of lead shielding it would appear more eco- 

 nomical. 



DR. LINDSEY: What about cooling for something as hot as that? 



DR. MORGAN: It was not considered. 



DR. HUBBERT: Is 2000 curies the maximum you can handle? 



DR. MORGAN: That is the maximum Dr. Culler mentioned. 



DR. HUBBERT: Well, those can be further concentrated. 



DR. MORGAN: Yes. We took these from his initial work, based 

 on 2000 curies per gallon. 



DR. HUBBERT: None the less, if you are shipping that much 

 lead we can fill the cask with more concentrated material if there are 

 no reasons for not doing it. In other words, how many curies could 

 you put in that container and stay short of critical? 



DR. CULLER: There is no criticality on the waste. 



DR. HUBBERT: Good. Then we could concentrate this to 

 dryness . 



DR. CULLER: As this gets more concentrated you have to pro- 

 vide cooling: 1000 curies per gallon is pretty hot and will boil itself 



without a little cooling, 



