for sample 2476.

The results of the other quality control samp:

jo

in this and earlier reports attest to the overall reliability or
the plutonium analyses.

Therefore,

it is likely that @ sample s

of the plutonium fraction of sample 2476 took place during analy:

a

although no positive evidence of such a switch was found.

A thixz

duplicate of this sample will be submitted for Pu analyses to ver
this conclusion.

REFERENCES
{1}

Krey,
Project Airstream
USAEC Report HASL-183,
P.,

Ww.

October

(1967)

(2)

Ibid, USAEC Report HASL-184,

January (1968)

(3)

Ibid, USAEC

April

(4)

<Ibid, USAEC Report

(5)

Ibid, USAEC

(6)

Ibid, USAEC Report HASL-207, April

(7)

Thid, USAEC Report HASL=210, Culy (1969)

(8)

Tbid, USAEC Report HASL-217,

(9)

Krajewski, B.
Calculations of Stratospheric Air Sample Volumes

Report HASL-193,

(1968)

HASL-197, TJaly (1968)

Report HASL-204,

January

(1969)

(1969)

January

(1970)

USAEC Report HASL-211, July (1969)

II ~ 16
wy,

Select target paragraph3