ML20129D782
| ML20129D782 | |
| Person / Time | |
|---|---|
| Issue date: | 05/16/1985 |
| From: | Matthew Gordon NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS) |
| To: | Robert Williams WILLIAMS & ASSOCIATES |
| Shared Package | |
| ML20129D787 | List: |
| References | |
| CON-FIN-A-1757, CON-FIN-B-7372, CON-NRC-02-82-044, CON-NRC-2-82-44, REF-WM-10 2080, NUDOCS 8506060214 | |
| Download: ML20129D782 (2) | |
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.Dr. Roy E.' Williams DISTRIBUTION:
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-Williams & Associates Inc.
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P.O. Box 48 NMSS r/f
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Dear Dr.-Williams:
MJBell REBrowning I have had NeilLColeman (Hydrology section) and Dave Brooks (Geochemistry Section) review the recent draft report on statistical analysis of hydrochemical data. 'Their comments and suggestions are attached for your consideration in preparing the final draft report. My only additional coments fon the report would be the following:
l' 1)
Your distinction on pp. 17 and 18 between hydrochemical distinctness and isolation is an important one, which should be reiterated more clearly in
!w the Introduction (especially page 3) and in the Discussion (page 47 and
~48).
2)-
In the middle of page 3, the natural evolution of the hydrochemistry in L _
different units due to, e.g., the. geothermal gradient, pH changes, Eh i
changes, and other chemical factors, might appropriately be added to your list of factors which require evaluation as part of "the second step of.
L the-problem."
i 3)- The anomalous groupings from boreholes DC-15, DC-14, DC-12, McGee and DC-6 may offer the most valuable information, since _in hypothesis testing, only
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hypothesis rejection is conclusive.
As we have previously discussed I would like you to make a brief (20 to 30 L
- minute) presentation on'your work in statistical analysis of the Hanford site hydrochemistry data at the upcoming hydrology workshop.
In my conversations-with BWIP, I have framed the hydrochemistry_ effort as a work.in-progress, the
. discussion of which may benefit both BWIP and NRC.
After considering the comments contained in this -letter, the coments elicited-
,during the upcoming workshop and any pertinent information in the YIN comments recently forwarded to you, please proceed _with preparing the final draft:
5 report.
L EIn the interest of fostering communication between our hydrology L
'contraators,'please mail "information only" copies of your future technical products under this contract to Paul Davis, Division 6431, Sandia National Laboratories,-P.O. Box-5800, Albequerque, N.M., 87185.
I have asked Neil to have Paul send copies of his. technical products under FIN A1757 to you for your 85060602 N37a*14850516
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_2-information. You need not send him copies of your monthly progress reports unless it contains technical work not documented elsewhere.
The action taken by this letter is considered to be within the scope of the current contract NRC-02-82 044. No changes to cost or delivery of contracted services and pr] ducts are authorized. Please notify me immediately if you believe that this letter would result-in changes to cost or delivery of
. contracted products.
Sincerely, S c ;., -
Matthew Gordon, Project Officer Hydrology Section Geotechnical Branch Division of Waste Manager.ent
Enclosures:
2, As stated FC :WMGT d
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