ML20209D494
| ML20209D494 | |
| Person / Time | |
|---|---|
| Issue date: | 08/19/1986 |
| From: | Weber M NRC |
| To: | |
| References | |
| REF-WM-1 NUDOCS 8609090332 | |
| Download: ML20209D494 (2) | |
Text
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- CONVERSATION RECORD 2:30 pm DAT%/19/86 Kg.
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TYPE ROUTING /. . k 'I C g
0 visir o CONFERENCE $ TELEPHONE "AM /SmoL INT
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@ INCOMING _
.vpf Locat;on of % sit / Conference: Las Vegas, Nevada to Silver Spring, MD 0 OurcOiNo A p,l,_ lo0 ;
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NAME OF PERSON (S) CONTACTED OR IN CONTACT ORGANIZATION (Office, dept., bureau. TELEPHONE No'. . . s 'Y'#
" WITH YOU etc.) b p ]?{ f Cady Johnson Mifflin and Associates (702) 798-040e w< . . .
r SUBJECT YYU dh
'it i Comments on NRC's Draf t Groundwater Travel Time Position (10 CFR ( 0) g g TQ q.'
, wd-Ccyl- j.y,j .5
SUMMARY
M. .b i Mr. Johnson called me to inquire about equation 6 (on pg. 6) in NRC's Draf t f (jy b
- -g :
( Generic Position on Groundwater Travel Time (6/30/86). He pointed out that the ;Q y'.
g
- 7. .< ;p equation is dimensionally incorrect. He contended that since the retardation coefficient Q,j Y J.f:- (
l Rd is dimensionless and the ratio n/n eis also dimension 16ss, then Kd w uld have to [.. ' . ,
- f'tp %
be dimensionless, which would be incorrect since Kd has dimensions of Volume / Mass.
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I commented that he appeared to be correct, but I told him that he should talk with p* 7 (.{
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- Richard Codell, who derived equation 6. I indicated that Dr. Codell would call him T'_'," E 4 - g g
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back when he returns from leave on 8/28/86.
g Mr. Johnson was trying to resolve his (a%.'}h -
comments on the position before submitting them formally to the State of Nevada, for
]A)b y ....;~
' .y whom is preparing the comments. ye4 r
D Mr. Johnson also stated that his other major comments included: (1) that the use of .
i! average scepage velocities is inappropriate for media in which fracture flow is dominant p k 1-
- and (2) that the discussion of dispersivity in the position overemphasizes molecular . k y _- . - . - - . - . - -
diffusion compared with hydrodynamic (mechanical) dispersion. I thanked Mr, Johnson .
for his comments. ;
ACTION REQUIRED Request Dr. Codell telephone Mr. Johnson to discuss the comments. .
5 .
h NAME OF Pt RSON DOCUME NTING CONVE R$ATION SIGN AT U RE / DATE Michhel F. Weber -
.. . . =
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86/08/19
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l Same (through this conversation record).
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