ML20128B292
| ML20128B292 | |
| Person / Time | |
|---|---|
| Site: | Monticello  |
| Issue date: | 04/28/1972 |
| From: | James Keppler US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Ziemann D US ATOMIC ENERGY COMMISSION (AEC) |
| Shared Package | |
| ML20128B298 | List: |
| References | |
| NUDOCS 9212030621 | |
| Download: ML20128B292 (1) | |
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UNITED STATES
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' g gj.T April 28, 1972
'8i D. L. Ziemann,' Chief, Operating Reactors Branch #2, DRL-NORTHERN STATES POWER COMPANY (MONTICELLO) - HIGH READINGS ON ENVIRONMENTAL THERM 0 LUMINESCENT DOSIMETERS The enclosed Inquiry Report and transmittal memorandum from our Region III (Chicago) Office, relating to the detection of exposure levels in excess of background on three of f-site environmental monitoring TLD's at Monticello, are forwarded for information.
Compliance inspectors were at the site on A.:1121 to review this matter and have concluded that the high ;L i,angs have not resulted from facility releases. This conc, on was reached af ter the inspectors had reviewed site meteorology and stack release rates (for the most part 12,000-15,000 uci/sec). for the period in question.
Additionally, film badges ' f rom the same locations as the TLD's which were found to be reading high have been' processed by the licensee and indicate normal background levels ( ' 10 mr/ month).
Direct radiation measurements were also made at the TLD stations by the inspectors on April 21, and normal background levels were found.
The AEC TLD's located around the f acility perimeter fence have been removed for processing at Idaho Operations Office and these-results should be available within 1 week. We plan no further action on this issue unless the information from the processing of the AEC TLD's indicates radiation levels in excess of background levels.
l
.S M pJ.G.Kepper, Chief, Reactor Testing and Operations' Branch' Division of Compliance l
Enclosure:
CO Inquiry Report No. 050-263/72-06 cc:
E. G. Case,.DRS (3)
R. S. Boyd, DRL (2)
D. J. Skovholt, DRL (3)
H. R. Denton, DRL (2)-
L. Kornblith, CO, w/o enclosure R. H. Engelken, CO, w/o enclosure G. Fiore111, 00:111, w/o enclosure CO Files W Central Files Regional Directors ar
-9212030621 720428 PDR ADOCK 05000263 D
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