.,,
c.
T~~ bulk haul operation has been monitored during all phases
as follows:
1.
Initial soil removal
2.
Loading on both the KM-8
3.
Transport to Runit
4.
Removal and transport to the shaker operation
5.
Operation of the batch plant
6.
Final c~ater deposition
and LCU
.. .
We have been impressed with the smoothness of the operation and
with botlhthe engimering.and
entire procedure.
radiation pro$~ction aspects of the
The bllI.k
haul o~eration is well administered and
we have observed no problens with it.
However, we recommend that
tilesoil be cover=d ~’~~ingtransport and that personnel not be
required to wsar positi*.%pressure half face or fuI.1face respiratory
protection except d~ring loading and unloading operations or when
..
an air saiigleis note.5to be positive.
If the air sample count is
positive, or a haz=wd is perceived to exist by the FRST member
present, then ev~ry~ne s>cmld acquire respiratory protection immediately.
our recommnd~tio~
not to require respiratory protection during
the actual hauling operation is based on analyses of 89 air samples
collected between 26 ;flarch
and 28 July 1978.
The.results of these
analyses allow us to conclude that there has not been a radiological
inhalation hazard due to 239Pu during this period.
T-he average air
concentration determined from these samples is 6.9 x 10-15 Ci/cc,
P
whereas the maximum permissible concentration (l-LPC)
Eor insoluble
15