——
eee
The slag or drogs was separated
from the remelt and held for analysis,
Thirty pounds of aluminum was melted ina
gas~fired furnace at a heat of meit, 1400
degreee.
The top inoh of the aluminum
ingot contained the slag.
In order to obtein the worst
possible conditions from a potential dust
and fune hazard samples the orerations
were performed in arenas where no ventilation
existed except for natural draft.
Air dust samples were taken directly
from the remelt crucibles to obtain the worst
operating conditions,
After remelt, surface measurements
were again taken with alnha metere; smears
were taken of the ingots and elag where
possible and duplicate samples were taken
of the ingots and the slab, duplicate
drilling samples,
please?
Could I have the first slide,
In the nickel, we have here the
conteminated scrap, the remelt nickel, the
slag end the National Bureau of Standards
79