a
83
a“
Bureau of Standerds
That
4s
aluminum was
.75.
all.
In eummary, the uranium surface
contamination was successfully removed by
remelting dll metal investigated with the
exception of aluminum,
Some other means of separation
of aluminum contsminnation should be ine
vestigated; possibly the addition of
fluorides or some other fluxing material
' 4Anto the melt would permit a more complete
transition of the uranium into the slag.
The results of the air duat
|
BSemples taken ehowed no health or industrial
hazard to exist during the remelting.
Ree
melted nickel, nickel stainless, copper
showed residual U contamination comparable
to those found in preeAtomie Energy produced
metals,
Aluminum scrap was not suocesse
fully rid of the uranium contamination by
melting because of ita preference for oxygen
therefore an investigation should be made.
It 4s our belief that the A.E.C.
oA
“}
4
>
The value found for the National