i.e., different particle size distribution, different type skin, etc.
At one
location, Riverside Cabins, Nevada, about 15 people were in an area receiving fallout in an amount equivalent to infinity dose of 15 roentgens,
with no known cases of beta burns, although it is not known if anyone was
out-of-doors during the time of fallout.
Until more is learned of this
phenomenon, it would appear advisable to remain out of the direct fallout
when the amount would be such as to produce about 10 roentgens gamma infinity dose as measured at three feet above the ground.
In the event
personnel are out-of-doors during the time of this amount of fallout, the
possibility of beta burns could be greatly reduced by the simple expedient
ef changing clothing and of bathing.
If people were not asked to remain indoors during the period of
highes~ cose rates in an area where the infinity dose was 10 toentgens or
more , sheir actual exccsure might be in excess of 3.9 roentgens of wholebody sama
This would net necessarily be hazardous but would exceed the
established criteria for Plumbbeob (Criteria VI).
eading as measured by a survey meter held
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haTéS 125. a0tve the greund reacnes the vrices wavenii. grap. Of av che
ULUrT Liil-atecd, 20 is peccemernied (nat personne. te requested to remain
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Release from this restrictive
action srovld be made on the basis of further evaluation of the radielsgical
In the event that there be convincing evidence that the radiation
levels given in the graph will be reached, it is recommenced that personnel
be requested to remain indoors BEFORE fallout occurs or before the
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