ML061840312: Difference between revisions
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{{#Wiki_filter:Intormation | {{#Wiki_filter:Intormation inl this recor us in accordance with the FreedI° Of Act, efl FOIA- | ||
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.F~egion III On November 30, staff at the Braidwood Nuclear Generating Station informed the NRC resident inspectors of higher than expected tritium levels (-58,000 picocuries per liter) | ) I | ||
.F~egion III | |||
The licensee's staff attributed the higher levels of tritium to historical vacuum breaker valve leakage in the circulating water blowdown line to the Kankakee River that occurred | 'S On November 30, staff at the Braidwood Nuclear Generating Station informed the NRC resident inspectors of higher than expected tritium levels (-58,000 picocuries per liter) measured in on-site monitoring wells at the northern edge of the owner-controlled area. | ||
The licensee's staff attributed the higher levels of tritium to historical vacuum breaker valve leakage in the circulating water blowdown line to the Kankakee River that occurred in 1998 and 2000. The licensee uses the blowdown line to perform liquid eftent releases to the river. Region III dispatched a senior radiation specialist to assist the resident inspector in reviewing the licensee's sampling results, evaluation, and mitigative actions. The State of Illinois was notified, and the onsite Illinois Inspector is observing the NRC's inspection. | |||
INTE RNAL | I INTE RNAL ONLY - NOT R PUBLIC Dl 3}} | ||
Latest revision as of 08:11, 15 January 2025
| ML061840312 | |
| Person / Time | |
|---|---|
| Site: | Braidwood  |
| Issue date: | 12/02/2005 |
| From: | NRC/EDO |
| To: | |
| References | |
| FOIA/PA-2006-0115 | |
| Download: ML061840312 (2) | |
Text
Intormation inl this recor us in accordance with the FreedI° Of Act, efl FOIA-
.r, o.
I
~1
,1
-j
) I
.F~egion III
'S On November 30, staff at the Braidwood Nuclear Generating Station informed the NRC resident inspectors of higher than expected tritium levels (-58,000 picocuries per liter) measured in on-site monitoring wells at the northern edge of the owner-controlled area.
The licensee's staff attributed the higher levels of tritium to historical vacuum breaker valve leakage in the circulating water blowdown line to the Kankakee River that occurred in 1998 and 2000. The licensee uses the blowdown line to perform liquid eftent releases to the river. Region III dispatched a senior radiation specialist to assist the resident inspector in reviewing the licensee's sampling results, evaluation, and mitigative actions. The State of Illinois was notified, and the onsite Illinois Inspector is observing the NRC's inspection.
I INTE RNAL ONLY - NOT R PUBLIC Dl 3