COUNTS / MINUTE (RELATIVE)

nS8loes

1000

800} 270 ——+ 270 ———-+|
600

400

ono

sr
CALCULATED BACKGROUND

200F

0

L

200

!

!

300

400
2

I
600

2

—��"(cm™ )
—

a

| Fig. 9 - UCRL-6491 Rev. {L
Autha's:

_

PAO

P.C. Stevenson and

BLC, Hicks

Select target paragraph3