TABLE B-13-1. CONCRETE SAMPLES FROM BUNKERS ON ISLAND IRENE

Avg. HP-210 Reading (epm/probe area)
Sample Location

Before Sampling

Ivy Station 200 Surface
Ivy Station 200 Second Cut
Ivy Station 600 Surface
Ivy Station 600 Second Cut

After Samplin

13700

6894

6894

3876

10745

4854

4854

2484

TABLE B-13-2. SAMPLE ANALYSIS RESULTS (pCi/g+2o)

wm Co DS

Sample

im GO DO be

Sample

Lab. Number
00-08447
00-08448
00-08449

00-08450
Lab. Number
00-08447
00-08448
00-08449
00-08450

90 Sp

xfer

493.9+2.6%
247.6+3.4%
215.6+4.9%

315+3.1%
470+2.2%
565+1.8%

109.4+6.9%

5574+0.95%

239py

238 py

0.59+28%
1.01+22%
0.434+34%
0.59+28%

0.15+56%
0.36+37%
0.11+67%
0.20+49%

241am,Chem
0.85+60%
0.32+140%
0.17+200%
0.38+120%

CONCRETE FACE
DIRECTION OF CUT

- TAPE
:
4

10 CM
CU

ih

5

A Il

6g

C

=

—

CONCRETE CHIPS
a

oh ”

wu

7s,

Hb OD ays a” FJ

Poe tee
hensSVS
‘ ve tf ee
TG
De }

FIGURE 8-13-1. CONCRETE SURFACE SAMPLING CONFIGURATION

B-13-2

80Co
11.48+37%
6.414+49%
10.06+34%

5.69451%

24lam,Gamma
MDA
MDA
3.89+240%
6.48+130%

Select target paragraph3