ML101750112
| ML101750112 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 10/27/2008 |
| From: | Office of Information Services |
| To: | |
| References | |
| FOIA/PA-2010-0209 | |
| Download: ML101750112 (2) | |
Text
Davis-Besse Nuclear Power Station Condensate Backwash Line Leak - Groundwater Well Sampling Week of 10/27108 Sample Condensate Backwash Line Leak - Groundwater Well Sampling Week of 10/27/08 History In-Date Date Vendor Lab HouseVendor Well Sample House Sample Lab Tritium Sample Jun-07 Jul-07 Sep-07 Apr-08 Oct-08 Wel Saple Tritium Lab Designation Date Anasis Shipped to Results Analysis Accuracy (pCi/L)
(pCi/L)
(pCi/L)
(pCi/L)
(pCi/L)
(pCi/L)
Vendor Received (pCi/L)
MW-105A 10/27/2008
<2100 10/28/2008 10/31/2008 1183
+/- 137 ns
- ns 1832 1477 1041 MW-31S 10/27/2008
<2100.
10/28/2008 10/31/2008 1612
+/- 150 ns 7322 3149 ns ns MW-31D 10/27/2008
<2100 10/28/2008 10/31/2008 118
+/-99 ns 108 183 ns ns MW-32S 10/29/2008
<2100 10/30/2008 11/3/2008 1383
+ 143 5838 7535 ns ns ns MW-32D 10/29/2008
<2100 10/30/2008 11/3/2008 654
+ 119 466 507 ns ns ns MW-33S 10/28/2008
<2100 10/29/2008 10/31/2008 581
+/- 117 2287 2702 1230 767 212 MW-33D 10/28/2008
<2100 10/29/2008 10/31/2008 1538
+/- 148 2975 3271 1934 ns ns MW-34S 10/28/2008
<2100 10/29/2008 10/31/2008 695
+/- 121 ns 2839 ns ns ns MW-34D 10/29/2008
<2100 10/30/2008 11/3/2008 1212
+/- 138 ns 1076 ns ns ns MW-12S 10/30/2008
<2100 10/31/2008 11/4/2008 1219
+136 657 860 276 ns ns MW-12D 10/30/2008
<2100 10/31/2008 11/4/2008 689
+/-119 ns 1155 769 ns ns I n-House Tritium Minimum Detectable Activity (MDA) = 2.10E-06 pCi/ml = 2100 pCi/L Well locations chosen based on proximity to leak and expected migration path.
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C7 Davis-Besse Nuclear Power Station Condensate Backwash Line Leak. Groundwater Well Sampling Week of 10/27/08