ZAP
est.
61
The next one, I think is of inter=-
This is a series of successive avere=
ages of surveys that we have carried out,
This 1s for a particular plant and the two
carves, one of them is the maximum exposure
in the vlant, and the other one is the aver=
age exposure.
In other words, the maximum average,
that is the exposure of the individual who had
the maximum average exposure and, as you can
see here, this is thirteen thousand integrations
per minute per cubic meter of uranium which is
on the order of two hundred times the permiase
ible level and the average here about 50 times
the permissible level when we first went into
the
pliant.
Shown on here are the various things
that were dona to correct the conditions,
Here we install
ventilation and
putting in the "“sealing"eystem,
At this point
“we increased the ventilation because it wasn't
quite enough and here we have covered the
floor with gratings because this was a rolling
mill where the material was being dragced
across the floor and a lot of oxide and stuff -why we thought we needed a grating on the
floor so that the men wouldn't piok it up and