ML042950395
| ML042950395 | |
| Person / Time | |
|---|---|
| Site: | Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png |
| Issue date: | 10/05/2004 |
| From: | Connecticut Yankee Atomic Power Co |
| To: | NRC/FSME |
| References | |
| -RFPFR, CY-04-191, FOIA/PA-2005-0203 | |
| Download: ML042950395 (17) | |
Text
Figure 6-28: Gross Alpha Site-wide Concentration Box Plot 100 10 Ii 0.1 Dec-01 Mar-02 Jun-02 Sep-02 Dec-02 Mar-3 Jun-03 Sep-03 Dec-03 Mar-04 Jun-04 Tim.
Figure 6-29: Box Plot of Gross Beta Concentrations in Unconsolidated Deposits 600 500-400-0 CL 0brjq 300 C0C.
Maximum 75th %
Gross Beta Median 25h %
Minimum
-EPA MCL
- CRDL Mean MDC 200 +
I.
I
,z 100 0 _ _-
-- _=___
__.........5_.._
100S 104S 114S 115S 105S 122S 124S 106S 107S Well ID 109S 125S 108S 110S 111S 112S 113S
- 156 -
c,50
Figure 6-30: Box Plot of Gross Beta Concentrations in Shallow Bedrock 90 80 -
70 -
60-e; 50 30 2
30 -
20 -
10 -
r-Maximum 75th %
Gross Beta Median 25th %
Minimum
0
- 101S 103S 1025 123S well ID 107D 109D 110D Figure 6-31: Box Plot of Gross Beta Concentrations in Deep Bedrock a
'A 40-ei 30 0C 0)
Maximum 75th %
Gross Beta Median 25th %
Minimum
-EPA MCL CRDL Mean MDC 100D 101D 1030 102D 105D 122D 106D Well ID
- 157 -
Figure 6-32: Gross Beta Site-wide Concentration Box Plot 1000 801 490.1 226 242 240 253 297 180 159 192 ISO 44.3 10 7.3 7.47 i7.03 7.16 6 815 6.1 625.81 5.79 5.87 2.19 2.33 2.16 2.02 1.59 1.92 1-1
.62 3
0.788 0.1 Dec-01 Mar-02 Jun02 Sep-02 Dec-02 Mar-03 J.n03 Sep-03 Dec-03 Mar-04 Jun-04 Time Figure 6-33: 11-3 Concentration Trend at Cluster Well MW-102 35000 -
MW-102S H-3 Conc.
30000 28630 EPA MCL (20000 pCUL) 27100 RDL (400 pCi/L)
+ ~ \\
Mean MDC (278.6 pCitL) 25000/
\\
MW-102D H-3 Conc.
25000 3
20000 0
t 15000 13 10000 69
>8t 639 5000 5
008800 5000 1100
-5000 Mar-02 Jun-02 Sep-02 Dec-02 Mar-03 Jun-43 Sep-03 Dec-03 Mar-04 Jun-04 Sep-04 Sample Event
- 158 -
Figure 6-34: H-3 Concentration Trend at Cluster Well MW-103 25000 20000 a
0C 0
C 0
U.
15000 10000 5000 0
-5000 Mar-02 Jun-02 Sep-02 Dec-02 Mar-03 Jun-03 Sep-03 Dec-03 Mar-04 Jun-04 Sep-04 Sample Event Figure 6-35: H-3 Concentration Trend at Cluster Well MW-110 25000 20000
-J Ca
'a 01 0C 0
15000 10000 5000 0
-5000 I
I I Mar-02 Jun-02 Sep-02 Dec-02 Mar-03 Jun-03 Sep-03 Dec-03 Mar-04 Jun-04 Sep-04 Sample Event
- 159-C 5-_~>-
Figure 6-36: H-3 Concentration Trend at Cluster Well MW-105 25000 20000 15000 8
c OC 0C W
10000 c
0 5
0C 5000
.5000 1 I I Mar-02 Jun-02 Sep-02 Dec-02 Mar-03 Jun-03 Sep-03 Dec-03 Mar-04 Jun-04 Sep-04 Sample Event Figure 6-37: H-3 Concentration Trend at Well MW-114S ioaooO 9000 8000 -
7000 -
2 6000-C
.2 5000-0a C
4000-3000-2000-1000 MW-I 14S H-3 Conc.
RDL (400 pCUiL)
Mean MDC (285.7 pCiUL) 67 0 C 5'r 04i Mar-02 Jun-02 Sep-02 Dec-02 Mar-03 Jun-03 Sep-03 Dec-03 Mar-04 Jun-04 Sample Event
- 160 -
Figure 6-38: Box Plot of H-3 Concentrations in Unconsolidated Deposits 251000 20000 15000 f C.)
0.
C 0
C9 CR 0
C.
Maximum 75th %
H-3 Median 25th %
Minimum
-EPA MCL
CRDL Mean MDC 10000 +
5000 -
7--_
w 0-
-5000 100S 104S 114S 115S 105S 1225 124S 106S 107S 109S 125S 108S 110S 111S 112S 113S Well ID Figure 6-39: Box Plot of H-3 Concentrations in Shallow Bedrock 25000 C.)
04 0C O
Maximum 75th %
H-3 Median 25th %
Minimum
-EPA MCL
-CRDL Mean MDC 101S 103S 102S 123S 107D 109D 110D Well ID
- 161 -
Figure 6-40: Box Plot of H-3 Concentrations in Deep Bedrock 30000 25000 i
20000 UC 01 j
15000 b
a LO 10000 5000 0
-5000 1000000 100000 a
10000 I
I9 1000 100 10 Maximum 75th %
H-3 Median 25t1 %
Minimum
-EPA MCL
-CRDL Mean MDC 100D 101D 103D 102D 105D 122D 106D Well ID Figure 6-41: H-3 Site-wide Concentration Box Plot A
A A
A A
A A
38700 67400 27230 27100 31270 20900 20800 20600 12300 15200 13900 1140 9
120 44330 332 2470 2W2620 213 18 31!
184 15[
13 332094430 i286153(3 4000 117 20 116 114 770 1780 121191110 144 27 21 134 142 149 118 120 180 Dec-98 Jun-99 Dec-99 JUfl00 De00 Jcn-01 Dec-01 Junw02 Dec-02 Jun-03 Dec-03 Jun-04 Tkne
- 162 -
Figure 6-42: Sr-90 Concentration Trend at Well MW-105S a
0r 0
<U Mar-02 Jun-02 Sep-02 Dec-02 Mar-03 Jun-03 Sep-03 Dec-03 Mar-04 Jun-04 Sep-04 Sample Event Figure 6-43: Sr-90 Concentration Trend at Cluster Well MW-106 Q1 25 20 a
Ca 0
i 0C 0
15 10 5
-5 J
Mar-02 Jun-02 Sep-02 Dec-02 Mar-03 Jun-03 Sep-03 Dec-03 Mar-04 Jun-04 Sep-04 Sample Event
- 163 -
Figure 6-44: Sr-90 Concentration Trend at Cluster Well MW-103 20 15
- 2 U
C9 0
'I 0Q 10 5
0-
-5 Mar-02 Jun-02 Sep-02 Dec-02 Mar-03 Jun-03 Sep-03 Dec-03 Mar-04 Jun-04 Sep-04 Sample Event Figure 6-45: Sr-90 Concentration Trend at Well MW-104S 0
'U C'U C
0
-2 4-Jun-03 Aug-03 Nov-03 Feb-04 May-04 Sample Event
- 164-
Figure 6-46: Box Plot of Sr-90 Concentrations in Unconsolidated Deposits 200 150
-J CL 0
C 0C 0
Maximum 75th %
Sr-90 Median 25th %
Minimum
-EPA MCL CRDL Mean MDC 100 t 50 +
T 0-
-50 100S 104S 114S 115S 105S 122S 124S 106S 107S 109S 125S 108S 110S 111S 112S 113S Well ID Figure 6-47: Box Plot of Sr-90 in Unconsolidated Deposits (Expanded View) 18 1
Maximum 13 758h %
a Sr-90 Median r,
~-
2t Minimum 8
[lEP MCL T8 O
IT CRDL 1003 104S 114S 115S 105S 122S 124S 105S 107S 109S 125S 108S 110S 111S 112S 113S Well ID
- 165 -
cnS
18 16 -
14 12 Figure 6-48: Box Plot of Sr-90 Concentrations in Shallow Bedrock Maximum 75th %
Sr-90 Median 25th %
Minimum
- 3 10 0
Ie aC U
C 6
0 Q4 22-0 - T 101S 103S 102S 123S Well ID 107D 109D 1100 A
I A
A A
A A
A A
A A
CUt Figure 6-49: Box Plot of Sr-90 Concentrations in Deep Bedrock 9
C
-0 C
0U.
Maximum 75th %
Sr-90 Median 25th %
Minimum
-EPA MCL
-- -CRDL Mean MDC 100D 101D 103D 102D 105D 1220 106D Well ID
- 166-
Figure 6-50: Sr-90 Site-wide Concentration Box Plot I_..
100.00 i
a, 10.00 181.8 197 143 122 118 10 I38 i139 83.3 88.7
-4.58
-3.80 3.83 2.33
-1.42
-I A1 0
0.833 0.80 1.08 0.71 0
0.52 0.55 0.37 0.34 0.32 0.33 0.207 1.00 0.10 Mar-01 Jun-01 Sep-01 Dec-01 Mar-02 Jun-02 Sep-02 Dec-02 Mar-03 Jun-03 Sep-3 Dec-03 Mar-04 Jun-04 lnrn*
Figure 6-51: Cs-137 Concentration Trend at Cluster Well MW-103 225 a
0 C0U
-25 I I Mar-02 Jun-02 Sep-02 Dec-02 Mar-03 Jun-03 Sep-03 Dec-03 Mar-04 Jun-04 Sep-04 Sample Event
- 167-SG I
Figure 6-52: Cs-137 Concentration Trend at Well MW-115S 20 0
C.
Mar-02 Jun-02 Sep-02 Dec-02 Mar-03 Jun-03 Sep-03 Dec-03 Mar-04 Jun-04 Sep-04 Sample Event Figure 6-53: Cs-137 Concentration Trend at Cluster Well MW-102 25 20 15 10 5
'L 0
0C.
0
-5
-10 I
Mar-02 Jun-02 Sep-02 Dec-02 Mar-03 Jun-03 Sep-03 Dec-03 Mar-04 Jun-04 Sep-04 Sample Event
- 168 -
CG2..
Figure 6-54: Box Plot of Cs-137 Concentrations in Unconsolidated Deposits 20 10+
a.
CA 0
0 IL) 0
-10 T
Maximum 75th %
Cs-137 Median 25th %
Minimum
t t
E t Q 3I 100S 104S 114S 115S 105S 122S 124S 106S 107S Well ID 109S 125S 108S 110S 111S 112S 113S CC,3 100 Figure 6-55: Box Plot of Cs-137 Concentrations in Shallow Bedrock Maximum 75th %
Cs-137 Median 25th %
Minimum
C0 0
101S 103S 102S 123S 107D 109D 110D Well ID
- 169-
Figure 6-56: Box Plot of Cs-137 Concentrations in Deep Bedrock 20 15+
10o a.
C 0
0 5
0 Maximum 75th %
Cs-137 Median 25th %
Minimum
-5 +
-10 1000 101D 103D 102D Well ID 105D 122D 106D Figure 6-57: Box Plot of Am-241 Concentrations in Unconsolidated Deposits 0.8 0.7 -
0.6 +
0.5 +
. I 04
- a.
I Z
0.3+
7 0.2 0
- 1.
0.1 TI Maximum 75th %
Am-241 Median 25th %
Minimum
-EPA MCL
-CRDL Mean MDC 0
-0.1 +
-0.2
-0.3 100S 104S 114S 115S 105S 122S 124S 106S 107S Well ID 109S 125S 108S 110S 111S 112S 113S
- 170-(_Gr-
0.8 0.7 -
0.6 -
0.5 -
Figure 6-58: Box Plot of Am-241 Concentration in Shallow Bedrock Maximum 75th %
Am-241 Median 25th%
Minimum
-EPA MCL L-ICRDL Mean MDC C0 C
0 O
0.4 -
0.3-0.2 -
0.1 -
0-
-0.1
-0.2 101S 103S 102S 123S Well ID 107D 1 09D 110D Figure 6-59: Box Plot of Am-241 Concentration in Deep Bedrock 0.8 0.7 0.6 -
0.5-0 g
C 0
U 0.4 0.3-0.2-0.1 Maximum 75th %
Am-241 Median 25th %
Minimum
-EPA MCL
-CRDL Mean MDC CG5
-n 0 -
-0.1
-0.2
-0.3.
100D 1010 103D 102D Well ID 105D 122D 1060
- 171
Figure 6-60: Sr-90/Y-90 + Cs-137 versus Gross Beta Gross Beta Correlation 500 450 y
0.8855x
- R2
=0.9285 400 350 300 o 250
? 200 I-O150
/
100 50 0
0 50 100 150 200 250 300 350 400 450 500 Gross Beta Concentration (pCI/L)
- 172-CGG