ML19350A463
| ML19350A463 | |
| Person / Time | |
|---|---|
| Site: | Braidwood  |
| Issue date: | 03/10/1981 |
| From: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | Corbin T AFFILIATION NOT ASSIGNED |
| References | |
| NUDOCS 8103160234 | |
| Download: ML19350A463 (3) | |
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Docket No.
50-456 Docket No.
50-457 D
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I'Id/g k81 A Thelma L. Corbin
{. %g%wlggg R. R. 2, Box 117 j
0 Wilmington, IL 60481 1,
'b 7f Dear Mrs. Corbin g.
As a result of your concern voiced at the public meeting for the Dresden n Unit No. I decontamination, Mr. M. Phillips of my staff collected environ-l mental well water samples on August 27, 1980. These samples were collected at the following locations:
a) City of Braidwood, well no. 1 b) City of Braidwood, well no. 2 c) City of Braidwood, well no. 3 d) Corbin residence, shallow drinking water well.
e) Corbin residence, deep wash water well, prior to the water softaner.
f) Corbin residence, sand point irrigation well.
The sampics were submitted to the Radiological and Environmental Sciences Laboratory (RESL), Idaho Falls', ID, which is operated for and by the United States Department of Energy. Sample results are presented in Table I, along with the results of sampics collected by the State of Illinois from the three Braidwood City wells.
As was discussed in the telephone conversation between you and Messrs.
W. Axcison and M. Phillips of my staff on February 18, 1981, the State of Illinois issued a letter stating the three Braidwood City well results may be in error. The levels of radioactivity found in all of the samples are within the levels found in northern Illinois due to the presence of radium-226 and daughters. The large variation in gross beta results are most probably due to the naturally occurring potassium-40 leaching into the shallow well ground-water from fertilizer use on your farm. No manmade radionuclides that could possibly be associated with the operation of a nuclear power plant were detected in any sample.
As was discussed in the above referenced telephone call, we will again collect samples from the Braidwood City wells and your home after the Braidwood Nuclear Power Station has been in operation to compare with these results.
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NRC FORM 318 00:806 NRCM o;'40 OFFICI AL RECORD COPY
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Thelma L. Corbin A copy of this letter and the enclosed results will be sent to the City of Braidwood and the Office of Nuclear Reactor Regulation which chaired the Public meeting.
If you have any questions related to the enclosed results, we will gladly discuss them with you (312/932-2500).
Sincerely, P
James G. Keppler Director 1.
Table 1, Results of Radio-activity Analysis of Well water near the Braidwood Nuclear Power Plant cc w/ encl:
Reproduction Unit NRC 20b-PDR Local PDR NSIC TIC City of Braidwood-
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TABLE I RESULTS OF RADIOACTIVITY ANALYSIS OF WELL WATER NEAR THE BRAIDWOOD NUCLEAR POWER PLANT State of Illinois (picocuries/ liter-pCf f l" Analysis!/ (pCi/1) slum-228 thallium-208 actinium-228 bismuth-214 lead-214 potassium-40 gross alpha gross beta Gross alpha Gross Beta
,3ff 122+17 N.D 34f)3 3Q+14 N.D.
1511 3917 34
.812 45+17 60118 59119 N.D.
225193 3012 4718 35 7+1 N.D.
35+15 75+12 59+16 279+64 31+2 55+8 72+12 64+10
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62111 53110 N.D.
64120 N.D.
N.D.
N.D.
155+120 31 4 284118 Not Performed 3f}
N.D.
Not Performed s
N.D.
N.D.
N.D.
54+J4 N.D.
151195 3f3 5118 Not Performed combined radium 226/228 15 N/A (including radium-226) randard deviation or 68 out of 100 samples would give these results.
p the State of Illinois, and reported to Chamlin & Chamlin & Associates, Morr; TL.
The State of Illinois the City of Brali.ood Stating that part or all of their results may be in errot.
srge concentration of total solids in the sample.
NRC ANALY Sample Description radium-226 Braidwood City 7
Well #1 Braidwood City 13 Well #2 Braidwood City 2Q+1 Well #3 C rbin home-
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ft. non-softened d inking water well Corbin llome-285 ft. wash water uell-presoftner Corbin llome-
.5 Sand Irrigation
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, EPA Drinking 5 pei/11:
.'ater Standards
'.. D. - NOT DETECTED All results are plus or minus ont Il Samples collected and analyzet subsequently issued a letter Analysie not performed due tc
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