ML18153C467
| ML18153C467 | |
| Person / Time | |
|---|---|
| Site: | Surry, North Anna  |
| Issue date: | 12/10/1990 |
| From: | Stewart W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| To: | Dan Collins NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| 90-650, NUDOCS 9012130091 | |
| Download: ML18153C467 (3) | |
Text
e VIRGINIA ELECTRIC AND POWER COMPANY RICHMOND, VIRGINIA 23261 December 10, 1990 United States Nuclear Regulatory Commission Attention: Mr. D. M. Collins Suite 2900 101 Marietta Street, N. W.
Atlanta, Georgia 30323 Gentlemen:
VIRGINIA ELECTRIC AND POWER COMPANY SURRY POWER STATION UNITS 1 AND 2 Serial No.90-650 NL&P/RMN:jmj Docket Nos. 50-280 50-281 50-338 50-339 License Nos. DPR-32 DPR-37 NPF-4 NPF-7 NORTH ANNA POWER STATION UNITS 1 AND 2 NBC CONFIRMATORY MEASUREMENTS PROGRAM RES UL TS OF SPIKED SAMPLES ANALYSES.
As indicated in your letters of October 12,
- 1990, liquid samples spiked with radionuclides were received at our Surry Power Station on October 10, 1990, and at our North Anna Power Station on October 11, 1990. The analyses were completed by November 17, 1990, that is, no later than 60 days from* receipt of the samples.
The liquid samples have been analyzed for tritium (H-3), iron-55 (Fe-55), sfrontium-89 (Sr-89), and strontium-90 (Sr-90) in accordance with your instructions. The tritium analyses were performed at each station with a liquid scintillation counter. The Fe-55, Sr-89, and Sr-90 analyses were performed by our vendor, Teledyne Isotopes, Inc., as called for by station procedures.
The results of our analyses are provided in the attachment.
If you have any questions regarding these results, please contact us.
Attachment 9012130091 901210 PDR ADOCK 05000280 p
I
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e cc:
- ,'United States Nuclear Regulatory Commission Attn: Document Control Desk Washington, D.C. 20555 Mr. W. E. Holland NRC Senior Resident Inspector Surry Power Station Mr. M. S. Lesser NRC Senior Resident Inspector North Anna Power Station e
Sample Liquid Sample Liquid e
ATTACHMENT NRC CONFIRMATORY MEASUREMENTS PROGRAM SPIKED LIQUID SAMPLE ANAL VSES RESULTS -
SURRY POWER STATION Activity Uncertainty Isotope
(µCi/ml}
(µCi/ml}
H-3 5.9 E-5
+/- 0.66 E-5 Fe-55 4.2 E-5
+/- 0.2 E-5 Sr-89 8.4 E-5
+/- 0.1 E-5 Sr-90 2.0 E-6
+/-...0.1 E-6 NORTH ANNA POWER STATION Activity Uncertainty Isotope (uCi/ml)
(u.Ci/ml)
H-3 4.67 E-5
+/- 0.486 E-5 Fe-55 2.3 E-6
+/-0.9 E-6 Sr-89 6.5 E-6
+/- 0.1 E-6 Sr-90 3.2 E-7
+/-...0.2 E-7