ML072400562
| ML072400562 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 08/14/2007 |
| From: | Condra D Oak Ridge Institute for Science & Education |
| To: | Garcia E NRC/RGN-IV/DNMS/FCDB |
| References | |
| RFTA 06-003 IR-07-003 | |
| Download: ML072400562 (2) | |
Text
-4~ig~ist
- 11. 3007 h h. E i d o Garcia L.S. Nuclear Regulatoi3-Coiiiinissioii R-IV/DNfilS/I;CDE/N Suite 400 6 1 1 R y i Plaza Dm-e Arhigtoii, Ts 7601 1
SUBJECT:
REVISION TO ANALYTICAL RESULTS F O R T OIL s
ASSOCIATED WITH THE RANCHO SECO N U G E N G
, CALIFORNIA N REPORT #005000312~2007003) [RFTA NO. 06-0031
Dear Ah. Garcia:
The Oak hdge Iiistimte for Scieiice and Education (ORISE;) received thee soil saiiiples associated n-ith the Raiicho Seco Nuclear Geiieratiiig Statioii in IHerald, Califoriiia oii JLiiie 3, 2007. At your request, the soil saiiiples rere aiialyzed b!- gaiiiiiia specwoscopp (GS) for cobalt-60 (Co-6@), cesium-137 (Cs-137), aiid
-4mericiuiii-241 (-hi-241). The soil saiiiple ideiitificauoiis are listed in Table 1 aiid the GS data are preseiited hi Table 2. The pertiiieiit procedure references are pro~-ided in die tables.
ORISE's Quahty Coiiuol (QC) requiremeiits n-ere met for these aiialj-ses. The QC files are andable for your r e w x upoii iequest.
In the origiiial letter report dated JLI~J-12, 3007, pCi/L as used as [lie reportiiig units for soil saiiiple conceiiuadoiis in Table 2. The correct reporciiig uiiics of pCi/g hai-e been 110~x7 been iiiserted hito Table
- 1. \\\\-e apologize for an!- incoiimnieiice this reporciiig error may liai-e caused.
h1~- contact lllforiiiation is listed below. You iiiaj-also coiitact \\Yade IT-ey at 865.576.9184 n-idi an!-
questions or coiiiiiieiits.
Sin cerelj-,
Dale Condra, Alaiiager Laborator3-RDCI\\KPI:ar Eiiclosures C:
T. Caiter. NRC/FSALE/D\\TIlEP 7JlS E ;IbeIquis t, ORISE E IGioz-D ai-iii. NRC / FSh [E /TKFN SA 133 File 1695 S. Roberts. ORISE 1 Distribution approval arid concurrence:
1 Initials I
T'oice: S63.211.3242 Fas: S6S.24 1.3345 E-mad: r>nle.Coi?diai~oiflu.org
TABLE 1 ORISE Sample ID SAMPLE IDENTIFICATIONS AND COLLECTION DATA RANCHO SECO NUCLEAR GENERATING STATION HERALD, CALIFORNIA Collection Time PDT Collection Date NRC Region IV Sample ID 1695S0010
~
~~~
11 1695S0008 I NRC-1 I
6/27/2007 I
1222 F8991091SOOS2SS 6/26/2007 6:56 11 1695S0009 I NRC-2 I
6/27/2007 I
13:30 1695S0008 1695S0009 1695S0010 NRC Region IV Radionuclide Concentrations (pCi/g)
Sample ID CO-GO CS-137 Am-241 NRC-1 0.00~ rt 0.02b, 0.03~ 0.02 zk 0.02, 0.02 0.02 rt 0.03, 0.04 NRC-2 0.57 If:
0.08 0.05 41.8 f 1.4 0.07 0.00 rt 0.09, 0.13 F8991091SOOS2SS 2.61 zk 0.12 0.04 18.05 rt 0.60 0.05 0.07 f 0.06, 0.06 TABLE 2 CONCENTRATIONS OF SELECTED GAMMA EMITTING RADIONUCLIDES IN SOIL SAMPLES BY GAMMA SPECTROSCOPY, CP1, REVISION 15 RANCHO SECO NUCLEAR GENERATING STATION HERALD, CALIFORNIA ORISE Sample ID
.~%cro values arc duc to rounding.
"Uncertailitics rcpreseiit the 95% confidcncc lcvcl, based on total propagated unccrtaintics cMDCs arc after thc comma.
liancho Scco Nuclear Generating Station Projects\\16Q5\\lieports\\ 1695-LR-001-l.doc