NEI 07-07, Peach Bottom, Units 2 and 3 - Groundwater Protection Initiative (GPI) - Voluntary Special Report for Tritium Discovered On-Site
| ML092170752 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 07/31/2009 |
| From: | Maguire W F Exelon Nuclear |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| NEI 07-07 | |
| Download: ML092170752 (2) | |
Text
Exekn.Exelon Nuclear www.exeloncorp.com Nuclear Peach Bottom Atomic Power Station 1848 Lay Road Delta, PA 17314-9032 NEI 07-07 July 31, 2009 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Peach Bottom Atomic Power Station (PBAPS), Units 2 and 3 Facility Operating License Nos. DPR-44 and DPR-56 NRC Docket Nos. 50-277 and 50-278
Subject:
Groundwater Protection Initiative (GPI) -Voluntary Special Report for Tritium Discovered On-Site This voluntary, special report is submitted in accordance with NEI 07-07, Industry Ground Water Protection Initiative
-Final Guidance Document.On July 8, 2009, three water samples containing tritium were confirmed to contain a level of tritium in excess of the NEI 07-07 voluntary reporting threshold of 20,000 picocuries per liter.These water samples were collected on July 6, 2009. The highest level of tritium measured was a confirmatory sample analyzed on July 8, 2009 at 127,252 picocuries/liter.
These samples were taken just outside of the northeast comer of the Unit 3 Turbine Building.It has been determined that there has been no adverse affect on the health and safety of the public.Augmented sampling has been performed and no detectable levels of tritium were found off-site as a result of this event. Samples of other on-site wells have been below the threshold of 20,000 picocuries per liter. Using worst-case assumptions, the bounding annual dose to a member of the public has been determined to be 2.OE-6 mrem/year, a very small fraction of the 10CFR 50 Appendix I dose limits.A cross-functional team of engineers, environmental experts and operations personnel are working to locate the source of the tritium and make any necessary repairs.There are no regulatory commitments contained in this document.
If you have any questions or require additional information, please contact Mr. Larry Lucas, Chemistry Manager at 717-456-3608.Sincerely, William F. Maguire Site Vice President Peach Bottom Atomic Power Station Nr,-t(
cc: S. J. Collins, US NRC, Administrator, Region I F. L. Bower, US NRC, Senior Resident Inspector R. R. Janati, Commonwealth of Pennsylvania S. Grey, State of Maryland P. Steinhauer, PSE&G, Financial Controls and Co-owner Affairs NEI (GW Notice@nei-orQ)
Peach Bottom Township Delta Borough Lower Chanceford Township Fawn Grove Township Stan Focht, American Nuclear Insurrer's CCN: 09-54