EIS-0113_Section_9 - Hanford Site

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- Mr. Rich Halten/08 8 'Mr. Rim Ha11'sul IS 7
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VJMDIVISION
VIM DIVISION
S. "a system diescribM is ectuaDy a 2-phase system, so lid, li md, aM vapor. Witt any
of the em tami migrate through the vapor phase? Cesium In undWely bat what
about Carbon an mnts
We home these comments will be helpful to you in the ptepention of t he final stateme nt.
3.5.2.47 d Strontium?
Sircerolyd
6. Tire a ant of he w t of Carbon Cazt b ed. to roe vapor Its
movement to pater water table should .red. .t In be oth er warted assuming g
ona
. ṣu
. orgy
the acm of eontamm rnts in the liquid pas ph.. through Me umaturet ed may hot
GGG
be convervative.
^
7. Lava Howe and'voleen.m might be benfi ecial N net they may most. additiwut
Bruce Blanchard, ard, Director
ovr er ove the wa stes{ however, the po ssibility t ha t such even ts might nice ties e
Rnvirtm
entel P roject Review
net
water adds, bra.. of compa, tim'of the underlying mil , such et it comes in
3.5.6.37 contact '" win the buried wastes sh ould be considered.
3.5.3.16
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3.5.6. /
8. Tae statem en t dhcu seas hydrau lic interconnec tion of Ne uppermost confined
aquifer. not the unconfined aquifer ...in of the -200 Areas." Contou rs and
_. mream6ncs of fi gure @.2 that endeavor a portion of the ground-water mnderftm
WsAM the 1200 Areas* moves northwafd through the gap betwe en Gable Bu tte and
Cable Mounteln The mmeet analysis s ho uld M dres the assible significa nc e of
efforts on the uimarmo st emfined aquifer. V failu re of mtutel or engineered
ben,/as should ocamr. The smlysis should i nclude effecta an g round-water
movement'r^W tim, from riess in the water table accompanying postulat ed futu re
inereas so in recberge during wetter periods ie.g., greater Loan 5.0 em/Year).
9. The grouts+water model assume a t enfold increase in rabarge whereas Me
aurfine-water m od el assumes a twofold Aeresss to annual p recipitation. The
Impact(.) of molte (lean Doodi m, so . result of the P robable Maxima. Preolpl bstion
f ollowing s aeries of wet yon should be evalu ated in Sm
tlon 4.4.1. T7ds seal nds
should consider cohmMmtimr impacts resulting f ro m flooding of-onvle ephemeral
strem es and weeta pods.
10. The US. Chops of Engtncem has evaluated the p ropnod constr uc tion of Ben
Peanhtin Dam at river m il e 348,. ab ou t 18 km upsteam f ro m Richland, Washington.
The higher water elevati on net would be c re ated by the dam could affat nuclear
q fectiee W ed.,the bean of the Columbia River is the -190 Areas^ site The native
would ho managed u Me, the. procedure+ selated for Trmearsnic and Tank West. -
- tl.pr s A rebi h the of the Ban P it.f o P.. a[ by N o Corps could change the
basisotn order n,the the Arm sr bite for rae waters would be evaluated,
3Miuding the potential fm for nigher ground and acesh surface waters flat
could resWt Prom
ctit ofBen ou
Franklin hepa Dam. This isbe s ld be addressed o in fire final
statement ntem valuee of the in and y the 900
site to L the Columbia River
wild of ces.
and
a the high aa value is i. [.h end life nsoureac Stranded B[eloea0 trout W ran add
aaBh t aan. N this Waco of the river. This mac h 1: e15o used by murgan eiq
hold eagle.
3.2.4.6"- We ha net
at nine million cubic meter, of fill material would be hauled to Me "2110
We st Area^ site and us ed fa backfrll and barrier cons truction. The borrow arer
aMuld he reha .hated after the material is removed. Replacement of top mil ed
revegetetron c ou ld be employed to nom Nis art to viable ha bitat.
3 . 5.6 . 12 ^N Rector" Is 1. the "100 Awes" site and .p roduce, radioactive wastes net