ML19305A672
| ML19305A672 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 09/14/1979 |
| From: | Jun Lee NRC - TMI-2 OPERATIONS/SUPPORT TASK FORCE |
| To: | Jay Collins NRC - TMI-2 OPERATIONS/SUPPORT TASK FORCE |
| References | |
| TASK-TF, TASK-TMR NUDOCS 8001160740 | |
| Download: ML19305A672 (14) | |
Text
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,C UNITED STATES
(
f $ s. (y 'pg NUCLEAR REGULATORY COMMISSION-
/, E WASHINGTON, D C. 26355 e
September 14, 1979 MEMORANDUM FOR:
J. T. Collins, Deputy Director TMI Support FROM:
J. Y.. Lee TMI Support t
SUBJECT:
TMI-2 CONTAINMENT BUILDING WATER SAMPLE ANALYSIS RESULTS We have obtained the results of the TMI-2 containment building water sample analysis from ORNL.
Three water samples were obtained through containment building penetration R-401 at elevation 292'0" on August 25, 1979, and sa=ples were taken at (1) water surface at elevation 290'6",
(2) approximately 4 '6" below water surf ace at elevation 286'0", and (3) approximately 3" above containment building bottom floor at elevation 282'9".
Attached sample analysis results are as follows:
(1.)
Table 1, Solution Characteristics The sample pH ranged from 8.0 to 8.1 and gelatinous precipitates.in the bottom sa=ple were dissolved readily with addition of acid into the solution. The precipitates dried at 110 e weighted 0.4 mg/ml of sample
-solution.
(2) _ Table 2, Radiochemical Analysis of Three Sample Solution Iodine-129 values were obtained by converting from 0.079 (top) 0.080 (middle) and 0.076 (bottom) ugm/ ml determined by neutron activation analysis.
(3)
Table 3, Spark Source Mass Analysis of Three Sample Solutions (ppc)
(4)
Table 4, Solution Isotopic Analysis i
Percent isotopic compositions of uranium indicate river water intrusion into the containment building water.
r (5)
Table 5, Radiochemical Analysis of Solids from Bottom Sample (6)
Table 6, Chemical Analysis of Solids from Bottom Sample.
O P
~
- J. T. Collins,._ Dsputy Director -
(7) -Table 7,~ Spark Source Mass Analysis of Solids from Bottom Sample (8). Table.8,' Painted Steel Plug Removed (4 inch diameter) from Containment Building Penetration Boring Operation.
(9)
Figure 1, Decay Curves of Radionuclides Detected on the Steel Plug.
(10)
Figure 2, Picture of Top Sample (11). Figure 3, Picture.of Middle Sample
' (12)- Figure 4, Picture of Bottom Sampic v
J. Y. Lee TML Support cc:
H. Denton, NRR R.-Vollmer, NRR R. Keimig, IE-TMI 9
6 4
0 6
d e
t l
i 1
)
Table 1.
Solution characteristics Top Middle t
Bottom Color Light yellow Light yellow Greenish with precipitate Visible organic None None None Radiation level, 580 500 530 side (mR/hr)
Radiation level, 740 780 800 bottom (mR/hr)
-Precipitate None ~~ ~~~~
None Yesa volume (ml) 30 30 30 aFlocculent in appearance, gelatinous, dirty green color,10% by volume, centrifugei to 4% by volume.
e i
P O
w
~
a 8
Table'2. ' Radiochemical analyses of three solutions (uci/ml at 0800, 8/28/79)
Isotope-Top Middle Bottom 137 176 179 174 Cs
,134Cs 40 40 39.6 140La 0.09 0.078 5
0.14
,89+90Sr 46.3 43.5 44.9 3H 1.03 1.05 1.01 129 1.5 x 10-5 1.5 x 10 1.4 x 10-5
-5 1
1311 0.012 0.012 0.013 90Sr 2.70 2.90 2.83
- 95 0.0030 0.0015.
2r 95Nb 0.0021 0.0030 0 0099 103 0.005 0.0050 0.0071 Ru 106Ru-0.0039 0.0072 0.0099 ll3Sn*
0.0016
. 125Sb 0.012 0.015 0.017
-129 e 0.035 T
134 g 0.0066 0.0059 0.0042 Cs A, O.029 0.022 0.0175 137 141 0.0001.7 0.0019 Ce 144 0.0046
- 0. 0080r C.e 14 0,4 g4, 0.036 0.028 0.052 t
140 0.0038 Ba b
b Gross c(,
-3.4 1 1.6 1.2 1 1.3 5.4 2b
[
- Tentative identification.
1 bUnits are dpm/ml.
l-i
Tcble 3.
Spsrk source'esss Entlysis of thras colutions (ppm)L Element
-Top Middle Bottom As
<0.5
<0.2 40.3
'Al 3
3 3
As 40.2
<0.05 40.1 B
1950 2200 1900 Cl 10
~15 8
Ca-10 10 8
Cd-40.2
<0.2 40.2 Co 40.1 40.1
<0.1
'Cr-0.7 0.7 0.7 Cs 0.6a 0,7a 0.7a Cu 30.2 10.2 10 Fe 0.58 1.1 1.8 I'
(0.5
<0.5 40.5 in (0.1 (0.1
<0.1 K
4 4
4 Li 1.61b 1.55b 1.44b Mg'
.53
/2 11 Mn 10.1 10.05 10.1 Mo 10.5C 10.Sc ic
-Ne 0180 1200 1200 i
N1 10.'
'0.2 3
p 0.3 0.3 0.1 Rb 0.3 0.3 0.3 S
9 8
7 Sr 60.1 10.1 10.1 Te (0.2 (0.5 (0.4 Ti-62' il il V-30.2 10.1 60.1 Y
10.4 10.1 10.1 Zn 0.5 0.5 0.4 aFission product Cs.
b y gg, 7t1
- Stable Mo, not fission product.
T e
e-i e--
e
---ei 4-
+->-,-
9 Table'4. ' Solution isotopic analysis.
' Sample Top Middle Bottom U, ppb 7
13 28 234, %
.0.'021 0.014 0.021
'2.04 235, %
1.99 1.34 236, %
0.058 0.035 0.066 238, %'
- 97.941 98.611 97.873 Pu, ppb 0.010 0.011 0.033 239, %
89.1 89.4 89.6 240, %
8.5 8.4 8.1
. 241, %
-2.3 2.1 2.0 242, %
Assume 0.1 J
1 S
l G
n
Table S.
Solids from bottom sample (uQi/ml at 0800, 8/28/79,. based on total volume of bottom sample)
Isotope Sample la Sample 2a 58 0.0055 0.0079 Co.
60 0.0011 0.0015 Co 95 0.037 0.061
Zr 0.014 0.162 95Nb 103 0.042 0.078 Ru 106 0.035 0.051 Ru 110 mag 0.0015 0.0025 113Sn*
0.015 0.021 125 0.022 0.033 Sb 129m 0.277 0.514 Te 131 0.0108 0.016 7
134 0.018 0.011 Cs 137 0.078 0.049-Cs
.40 0.041 0.047 Ba 140 0.106 0.122 La 0.0034 0.0097 441Ce
- 44 0.0134 0.0446 Ce J9+90 2.78 Sr e
"Two samples were taken at different tizes; they were centrifuged, washed, and Y scanned.
Tentative identification.
1
t-Table,6.
Solids from bottom sample, neutron activation analysis (units are ug/ml, based on total volume of bottom sample) 235 0.00459 g
In 0.16 129 0.07 7
Cu 54 Mn 0.62 Al 7
Ca f2 b
a T
'1 9
i 9
1
.. ~,,,..
Table 7.. Spark source mass analysis of-solids'from bottom sample 1(ppm) based on total volume of bottom sample Top'
. Middle.
Bottom J4; 8*
L1 0.3 Al 8
Hg 7
Bi '
3 Mn 1
Ca 2
~Me Ib Cd 0.5 Na 1
Co 0.1 Ni 10 Cr 2
P 0.4 Cs 0.5 Rb 0.3 i
- Cu 54a 3
3 Fe 10 Sr 0.2 1
0.7 Te' O.2 In 0.3 Ti 0.5 K
1 On 2
c C
U 0.106 Pu 0.00016 234 d
0.022 238 0.1 U, %
Pu 235 2.35 239 91.13 Pu.
U,,.
236 0.065 240 7*37 g, ;
Pu J
238,.
97.56 241 1.11 U
Pu
- May be some memory.
- Internal standard from MAA.
bStable-Mo; not fission product.
~
cThermal emission mass resin bead analysis.
'g Atomic Weight percent.
- Table 8.
Painted steel plug (uci total at '0800, 8/29/79) 1sotope uCi 58 0.032 Co.
.60 0.01 Co 0.09 952r l7 95Nb 103 0.58 Ru 0.42 106Ru 110 0.080 Ag 113 0.24 Sn 124 0.005 33 125
" ~ ~ ~ ~ ~
0.45 Sb 127mTe 7.8 129mTe 23.6 125m 0.5.
Te 131
" 33 7
134 0.47 Cs 137 2.07 Cs 140 Ba 140,,
0.019 141 0.057 Ce 144 0.24 Ce e
'C l
1 10 0 129m re 10 N
~
i27mTe E
o N
83 7 Cs g
g 95Nb l
c) l l34 a-g g
Cs 125 5
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h Sb x
s
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306 Ru
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11O m IO3 Ru
'4l Ce 3
9.5 Zr Te 25m 10-2 jfpoj
~
8Co B
i S
O N
D J
F M
A M
J J
A 1979
=l-1980 DECAY OF R ADIOELEMENTS ON PAlt4TED STEEL CONTAINMENT WALL
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