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Dis
cuss
ion
of N
RC
Com
men
ts a
nd R
eque
sts
for
Add
ition
al In
form
atio
n N
eede
d to
Com
plet
e Pr
epar
atio
n of
a T
echn
ical
Eva
luat
ion
Rep
ort f
or
Con
sulta
tion
Reg
ardi
ng H
-Are
a Ta
nk F
arm
, Sav
anna
h R
iver
Site
Aug
ust2
9,20
13A
ugus
t 29,
201
3
Chr
isto
pher
McK
enne
y, J
ames
Sha
ffner
, Chr
isto
pher
Gro
ssm
an,
Cyn
thia
Bar
r,Le
ahP
arks
,Geo
rge
Ale
xand
erC
ynth
ia B
arr,
Leah
Par
ks, G
eorg
e A
lexa
nder
The
Vill
age
Cen
ter
DO
ES
uite
220
1
DO
E S
uite
220
230
Vill
age
Gre
en B
oule
vard
Aik
en, S
C 2
9803
Chr
iste
pher
McK
enne
y, 3
01-4
15-6
663,
chr
iste
pher
.mck
enne
y@nr
c.go
vJa
mes
Sha
ffner
301
415
5496
jam
essh
affn
er@
nrc
gov
NR
CC
ON
SULT
ATI
ON
Jam
es S
haffn
er, 3
01-4
15-5
496,
jam
es.s
haffn
er@
nrc.
gov
Chr
isto
pher
Gro
ssm
an, 3
01-4
15-7
658,
chr
isto
pher
.gro
ssm
an@
nrc.
gov
NR
C C
ON
SULT
ATI
ON
PR
OC
ESS
2
NR
C S
tatu
tory
Rol
e-C
onsu
ltatio
nP
Rld
WR
Nti
lDf
Ath
iti
•P
er R
onal
d W
. Rea
gan
Nat
iona
l Def
ense
Aut
horiz
atio
n A
ct (N
DA
A) o
f 200
5 S
ectio
n 31
16•
DO
Eto
cons
ultw
ithN
RC
prio
rto
final
was
teD
OE
to c
onsu
lt w
ith N
RC
prio
r to
final
was
te
dete
rmin
atio
n (W
D)
•C
onsu
ltatio
n fo
r H T
ank
Farm
beg
an in
Feb
ruar
y 20
13•
NR
C s
taff
in p
roce
ss o
f rev
iew
ing
draf
t WD
and
as
soci
ated
per
form
ance
ass
essm
ent
•P
rimar
yN
RC
wor
kpr
oduc
tTec
hnic
alE
valu
atio
nR
epor
t•
Prim
ary
NR
C w
ork
prod
uct-T
echn
ical
Eva
luat
ion
Rep
ort
(TE
R)
•R
eque
st fo
r Add
ition
al In
form
atio
n (R
AI)-
Inte
rim s
tep
to 3
q(
)p
com
plet
e TE
R
NR
C R
ole
(con
t.)T
d’
tii
tfR
AI
•To
day’
s m
eetin
g is
par
t of R
AI p
roce
ss•
Form
al R
AIs
wer
e pr
ovid
ed to
DO
E o
n Ju
ly 3
1, 2
013
•N
RC
will
sum
mar
ize
com
men
tsan
dR
AIs
•N
RC
will
sum
mar
ize
com
men
ts a
nd R
AIs
•D
iscu
ssio
n an
d cl
arifi
catio
n am
ong
DO
E a
nd N
RC
sta
ff•
Pat
hfo
rwar
dfo
rRA
Ires
pons
eP
ath
forw
ard
for R
AI r
espo
nse
•P
ublic
inpu
t•
DO
E re
spon
se a
ntic
ipat
ed in
fall
2013
•N
RC
com
plet
ion
of T
ER
in e
arly
201
4
4
ND
AA
Crit
eria
•C
riter
ion
1: D
oes
not r
equi
re p
erm
anen
t iso
latio
n in
a d
eep
geol
ogic
repo
sito
ry fo
r spe
nt fu
el o
r hig
h-le
vel r
adio
activ
e w
aste
;•
Crit
erio
n2:
Has
had
high
lyra
dioa
ctiv
era
dion
uclid
esre
mov
edto
Crit
erio
n 2:
Has
had
hig
hly
radi
oact
ive
radi
onuc
lides
rem
oved
to
the
max
imum
ext
ent p
ract
ical
; and
•C
riter
ion
3A:
Doe
s no
t exc
eed
Cla
ss C
con
cent
ratio
n lim
its (1
0 C
FR61
.55)
and
will
bedi
spos
edof
CFR
61.
55) a
nd w
ill b
e di
spos
ed o
f–
In c
ompl
ianc
e w
ith 1
0 C
FR P
art 6
1 P
erfo
rman
ce O
bjec
tives
and
–P
ursu
ant t
o a
Sta
te-a
ppro
ved
clos
ure
plan
or S
tate
-issu
ed p
erm
it
•C
riter
ion
3B:
Exc
eeds
Cla
ss C
con
cent
ratio
n lim
its b
ut w
ill b
e di
spos
ed o
f–
In c
ompl
ianc
e w
ith 1
0 C
FR P
art 6
1 P
erfo
rman
ce O
bjec
tives
;–
Pur
suan
t to
a S
tate
-app
rove
d cl
osur
e pl
an o
r Sta
te-is
sued
per
mit
5
–P
ursu
ant t
o pl
ans
deve
lope
d by
the
Sec
reta
ry in
con
sulta
tion
with
NR
C
RA
I Dev
elop
men
t Pro
cess
•N
RC
sta
ff re
view
ed D
OE
’s d
raft
basi
s fo
r was
te
dete
rmin
atio
n an
d su
ppor
ting
perfo
rman
ce a
sses
smen
t•
NR
Cst
affa
ndD
OE
cond
ucte
da
serie
sof
publ
ic•
NR
C s
taff
and
DO
E c
ondu
cted
a s
erie
s of
pub
lic
mee
tings
and
tech
nica
l exc
hang
es•
Exc
han g
es p
rovi
ded
NR
C a
n op
portu
nity
to g
ain
gp
ppy
gcl
arifi
catio
n fro
m D
OE
on
its a
ppro
ache
s•
RA
Is in
form
ed b
y FT
F co
nsul
tatio
n an
d m
onito
ring
RA
Iil
bltA
DA
MS
†i
b•
RA
Is a
vaila
ble
at A
DA
MS
†ac
cess
ion
num
ber:
ML1
3196
A13
5
6
† A
genc
ywid
eD
ocum
ents
Acc
ess
and
Man
agem
ent S
yste
m (A
DA
MS
), ht
tp://
ww
w.n
rc.g
ov/re
adin
g-rm
/ada
ms.
htm
l
NR
C-D
OE
Inte
ract
ions
•M
arch
14,
201
3, M
L130
86A
081
•A
pril
4, 2
013,
ML1
3106
A33
8A
il17
2013
ML1
3126
A12
7•
Apr
il 17
, 201
3, M
L131
26A
127
•M
ay 9
, 201
3, M
L131
54A
327
•M
ay16
2013
ML1
3193
A07
2•
May
16,
201
3, M
L131
93A
072
•Ju
ne 5
-6, 2
013,
ML1
3183
A41
0•
July
3, 2
013,
ML1
3199
A41
3y
,,
7
Ove
rvie
w o
f RA
Is
•30
RA
Is–
Crit
erio
n 1:
0C
riter
ion
2:7
–C
riter
ion
2: 7
–C
riter
ion
3: 2
3•
Inve
ntor
y: 5
•W
aste
Rel
ease
and
Nea
r-Fi
eld:
14
•H
ydro
logy
and
Far
-Fie
ld T
rans
port:
4
•13
Cla
rifyi
ng C
omm
ents
(CC
)y
g(
)•
Als
o id
entif
ied
issu
es u
nder
FTF
mon
itorin
g fa
ctor
s (M
L122
12A
192)
that
are
rele
vant
for H
TF
8
CR
ITER
ION
2Le
ah P
arks
, 301
-415
-604
3, le
ah.p
arks
@nr
c.go
v
CR
ITER
ION
2
9
RA
I Cat
egor
ies
•Im
pact
of o
xalic
aci
d cl
eani
ng•
Sel
ectio
n an
d ap
plic
atio
n of
cle
anin
g te
chno
logi
es•
Cle
anin
g te
chno
logy
opt
imiz
atio
n an
d es
timat
ion
of
rem
oval
effi
cien
cy•
Inco
rpor
atin
gle
sson
sle
arne
dfro
mFT
Fin
tofu
ture
tank
•In
corp
orat
ing
less
ons
lear
ned
from
FTF
into
futu
re ta
nk
clea
ning
s•
Pra
ctic
ality
of r
emov
ing
addi
tiona
l mat
eria
l fro
m th
e Ta
nk 1
6H a
nnul
us
10
RA
I-MEP
-1: I
mpa
cts
of O
xalic
Aci
d C
lean
ing
Cla
rify
limita
tions
of o
xalic
aci
d (O
A) c
lean
ing
due
to
dow
nstre
am im
pact
s•
Neg
ativ
e do
wns
tream
impa
cts
on th
e D
efen
se W
aste
P
roce
ssin
g Fa
cilit
y an
d Li
quid
Was
te S
yste
m•
Enh
ance
dC
hem
ical
Cle
anin
gte
chno
logy
whi
chD
OE
•E
nhan
ced
Che
mic
al C
lean
ing
tech
nolo
gy w
hich
DO
E
had
been
pur
suin
g is
no
long
er fu
nded
Pat
h Fo
rwar
d:
•C
larif
y ho
w li
mita
tions
sur
roun
ding
oxa
late
s m
ight
impa
ct th
e lik
elih
ood
that
OA
will
rem
ain
part
of th
e te
chno
logy
bas
elin
e•
Cla
rify
alte
rnat
ive
tech
nolo
gies
DO
E m
ay b
e pu
rsui
ngy
gy
pg
11
RA
I-MEP
-2: S
elec
tion
of C
lean
ing
Tech
nolo
gy
Upd
ate
stra
tegy
for s
elec
ting
clea
ning
tech
nolo
gies
•G
iven
rece
nt D
OE
tech
nolo
gy d
ecis
ions
(e.g
., no
long
er fu
ndin
g h
dh
il
li
)D
OE
hld
dt
thi
enha
nced
che
mic
al c
lean
ing)
, DO
E s
houl
d up
date
thei
r do
cum
enta
tion
of th
e te
chno
logy
bas
elin
e•
Alth
ough
em
phas
is o
n hi
ghly
radi
oact
ive
radi
onuc
lide
(HR
R)
lidi
di
VE
SR
G00
003
R1
tre
mov
al is
dis
cuss
ed in
V-E
SR
-G-0
0003
, Rev
. 1, r
ecen
t te
chno
logy
app
licat
ions
and
sel
ectio
ns d
o no
t app
ear t
o ta
rget
hi
ghly
radi
oact
ive
radi
onuc
lides
Pth
Fd
Pat
h Fo
rwar
d:
•P
rovi
de a
des
crip
tion
of c
urre
nt p
roce
ss fo
r sel
ectio
n an
d ev
alua
tion
of w
aste
retri
eval
tech
nolo
gies
to d
emon
stra
te re
mov
al
of H
RR
s to
max
imum
ext
ent p
ract
ical
for t
anks
yet
to b
e cl
eane
d
12
RA
I-MEP
-3: I
mpl
emen
tatio
n of
Cle
anin
g Te
chno
logy
Tech
nolo
gyD
ocum
ent i
mpl
emen
tatio
n st
rate
gy fo
r cle
anin
g te
chno
logygy
•D
OE
’s p
roce
ss fo
r det
erm
inin
g a
parti
cula
r pum
ping
/mix
ing
stra
tegy
is n
ot w
ell d
ocum
ente
d•
Han
ford
mix
ing
mod
els
may
ass
ist D
OE
in p
redi
ctin
g th
e g
yp
gef
fect
iven
ess
or b
enef
its o
f cer
tain
mix
ing
stra
tegi
esP
ath
Forw
ard:
•
Des
crib
e D
OE
's g
ener
ic a
ppro
ach
for a
stra
tegy
, inc
ludi
ng th
e g
ppgy
,g
step
s an
d cr
iteria
use
d in
dec
isio
n m
akin
g, in
clud
ing
a sp
ecifi
c ex
ampl
e of
the
deve
lopm
ent o
f the
pum
ping
/mix
ing
stra
tegy
for a
sp
ecifi
c ta
nkC
lif
thti
lift
hft
hi
id
ltH
TFth
ti•
Cla
rify
the
timel
ine
of th
e us
e of
the
mix
ing
mod
el a
t HTF
that
is
bein
g de
velo
ped
for H
anfo
rd13
RA
I-MEP
-4: O
ptim
izat
ion
of C
lean
ing
Tech
nolo
gyTe
chno
logy
Doc
umen
t app
roac
h to
opt
imiz
ing
clea
ning
tech
nolo
gy
thro
ugh
sam
plin
gan
dm
onito
ring
thro
ugh
sam
plin
g an
d m
onito
ring
•M
ultip
le ty
pes
of s
ampl
ing
and
mon
itorin
g ha
ve b
een
utiliz
ed in
ta
nks
that
hav
e un
derg
one
heel
rem
oval
but
the
gene
ral p
roce
ss is
no
twel
ldoc
umen
ted
not w
ell d
ocum
ente
d
Pat
h Fo
rwar
d:
•C
larif
y th
e pr
oces
s fo
r det
erm
inin
g th
e sa
mpl
ing
and
mon
itorin
g th
at w
ill ta
ke p
lace
dur
ing
futu
re ta
nk c
lean
ings
•C
larif
y w
hat m
etric
s ar
e us
ed th
roug
hout
the
proc
ess
to d
eter
min
e ef
fect
iven
ess
14
RA
I-MEP
-5: R
emov
al E
ffici
ency
of C
lean
ing
Tech
nolo
gyTe
chno
logy
Doc
umen
t app
roac
h fo
r eva
luat
ing
rem
oval
effi
cien
cy o
f cl
eani
ngte
chno
logi
escl
eani
ng te
chno
logi
es•
DO
E h
as u
tiliz
ed b
oth
liqui
d pr
oces
s sa
mpl
es a
nd s
olid
slu
dge
sam
ples
col
lect
ed a
t var
ious
poi
nts
in th
e cl
eani
ng p
roce
ss fo
r ce
rtain
tank
sto
aid
inev
alua
ting
rem
oval
effic
ienc
yce
rtain
tank
s to
aid
in e
valu
atin
g re
mov
al e
ffici
ency
•D
ecis
ion-
mak
ing
proc
ess
for w
hen
to ta
ke s
peci
fic ty
pes
of
sam
ples
is n
ot w
ell d
ocum
ente
d
Pth
Fd
Pat
h Fo
rwar
d:
•C
larif
y D
OE
's a
ppro
ach
to e
valu
atin
g re
mov
al e
ffect
iven
ess
usin
g ch
emic
al c
lean
ing
for T
ank
12H
as
an e
xam
ple
•In
clud
e ge
neric
gui
delin
es o
n w
hen
it is
app
ropr
iate
to s
ampl
e th
e sl
udge
prio
r to
chem
ical
cle
anin
g15
RA
I-MEP
-6: L
esso
ns L
earn
ed fr
om F
TF
Cle
anin
gC
lean
ing
Inco
rpor
ate
less
ons
lear
ned
from
Tan
ks 5
F an
d 6F
for
futu
recl
eani
ngfu
ture
cle
anin
g•
Bec
ause
the
SM
Ps
coul
d no
t be
oper
ated
at l
ower
liqu
id le
vels
, in
effe
ctiv
e m
ixin
g du
ring
acid
stri
ke 2
in T
anks
5 a
nd 6
app
ears
to
have
cont
ribut
edto
the
form
atio
nof
solid
sdu
ring
chem
ical
have
con
tribu
ted
to th
e fo
rmat
ion
of s
olid
s du
ring
chem
ical
cl
eani
ng•
DO
E in
dica
ted
that
a lo
w-v
olum
e pu
mp
has
been
eva
luat
ed
Pth
Fd
Pat
h Fo
rwar
d:
•C
larif
y th
e tim
elin
e of
the
low
-vol
ume
mix
ing
pum
p te
chno
logy
•D
escr
ibe
how
the
less
ons-
lear
ned
from
Tan
ks 5
and
6 w
ill b
e in
corp
orat
ed in
futu
re c
lean
ing
effo
rts
16
RA
I-MEP
-7: T
ank
16H
Ann
ulus
Cle
anin
gA
lti
litf
dditi
llf
Tk
16H
Ana
lyze
pra
ctic
ality
of a
dditi
onal
rem
oval
from
Tan
k 16
H
annu
lus
•M
ixin
g w
as p
oor i
n la
st c
lean
ing
effo
rt in
197
7 as
exh
ibite
d by
the
gp
gy
varia
bilit
y in
sam
ple
resu
lts a
nd D
OE
cea
sed
furth
er c
lean
ing
effo
rts b
ecau
se th
e te
chno
logy
was
not
mat
ure
enou
gh to
dep
loy
•W
aste
in th
e an
nulu
s an
d/or
san
d pa
ds te
nds
to b
e m
ore
risk
psi
gnifi
cant
and
NR
C s
taff
is c
once
rned
that
the
perfo
rman
ce
asse
ssm
ent m
ay u
nder
estim
ate
annu
lar c
onta
min
atio
n ris
k
Pat
hFo
rwar
d:P
ath
Forw
ard:
•
Pro
vide
info
rmat
ion
on th
e pr
actic
ality
of r
emov
ing
addi
tiona
l was
te
from
the
Tank
16H
ann
ulus
to th
e ex
tent
nec
essa
ry to
redu
ce th
e ris
kad
dres
sing
the
issu
esid
entif
ied
inR
AI-N
F-12
and
RA
I-NF-
13ris
k, a
ddre
ssin
g th
e is
sues
iden
tifie
d in
RA
INF
12 a
nd R
AIN
F13
17
FTF
Com
men
ts R
elev
ant t
o H
TF
NR
C s
taff
reco
mm
ende
d th
at D
OE
•Fu
lly e
valu
ate
cost
s &
ben
efits
of a
dditi
onal
HR
R
rem
oval
rem
oval
•
Eva
luat
e H
RR
rem
oval
in it
s te
chno
logy
sel
ectio
n an
d ef
fect
iven
ess
eval
uatio
ns•
Con
tinuo
usly
eva
luat
e ne
w te
chno
logi
es•
Incl
ude
mor
e sp
ecifi
city
in it
s pr
oces
s fo
r det
erm
inin
g H
RR
dt
ME
PH
RR
s ar
e re
mov
ed to
ME
P
18
Chr
isto
pher
Gro
ssm
an, 3
01-4
15-7
658,
chr
isto
pher
.gro
ssm
an@
nrc.
gov
Leah
Park
s30
1-41
5-60
43le
ahpa
rks@
nrc
gov
CR
ITER
ION
3
Leah
Par
ks, 3
0141
560
43, l
eah.
park
s@nr
c.go
v
Cyn
thia
Bar
r, 30
1-41
5-40
15, c
ynth
ia.b
arr@
nrc.
gov
CR
ITER
ION
3
19
PER
FOR
MA
NC
EC
hris
toph
er G
ross
man
, 301
-415
-765
8, c
hris
toph
er.g
ross
man
@nr
c.go
v
PER
FOR
MA
NC
E A
SSES
SMEN
T
20
Cla
rifyi
ng C
omm
ents
TfF
EP
i•
Tran
spar
ency
of F
EP
s sc
reen
ing
•Im
pact
of b
iosp
here
mod
elin
g ch
ange
s fro
m F
TF to
H
TFP
erfo
rman
ceA
sses
smen
tsH
TF P
erfo
rman
ce A
sses
smen
ts
21
FTF
Mon
itorin
g Fa
ctor
s R
elev
ant t
o H
TF
•S
cena
rio A
naly
sis
•P
aram
eter
and
Mod
el S
uppo
rt
22
INVE
NTO
RY
Leah
Par
ks, 3
01-4
15-6
043,
leah
.par
ks@
nrc.
gov
INVE
NTO
RY
23
RA
I Cat
egor
ies
•U
ncer
tain
ty in
ann
ulus
vol
umes
and
con
cent
ratio
n as
sum
ptio
ns•
Inve
ntor
y ad
just
men
ts•
Ref
lect
ing
hist
oric
al p
roce
ss k
now
ledg
e in
pro
ject
ed
inve
ntor
ies
inve
ntor
ies
24
RA
I-IN
V-1:
Ann
ular
Vol
ume
Unc
erta
inty
Ann
ular
vol
ume
unce
rtain
ty c
ould
be
quan
tifie
d•
Unc
erta
inty
ste
mm
ing
from
man
y ar
eas
of th
e an
nulu
s (a
nd d
uct)
hi
ldt
iti
fth
tl
lt
ibl
whe
re v
isua
l det
erm
inat
ion
of th
e w
aste
leve
l was
not
pos
sibl
e•
No
mul
tiplie
rs u
sed
in u
ncer
tain
ty a
naly
sis
Pat
h Fo
rwar
d:
•P
rovi
de e
stim
ates
of t
he u
ncer
tain
ty o
f rem
aini
ng
volu
me
in T
ank
16H
ann
ulus
and
des
crib
e ho
w th
is
unce
rtain
tyis
rela
ted
toth
eun
certa
inty
ofth
em
ater
ial
unce
rtain
ty is
rela
ted
to th
e un
certa
inty
of t
he m
ater
ial
in th
e an
nuli
or o
ther
tank
s
25
RA
I-IN
V-2:
Rep
rese
ntat
iven
ess
of T
ank
16H
A
nnul
arSa
mpl
esA
nnul
ar S
ampl
es
Rep
rese
ntat
iven
ess
of T
ank
16H
ann
ulus
sam
ples
for
Tank
s9H
10H
and
14H
isno
tcle
arTa
nks
9H, 1
0H, a
nd 1
4H is
not
cle
ar•
DO
E a
pplie
s th
e co
ncen
tratio
ns o
f the
Tan
k 16
H a
nnul
us to
Tan
ks
9H, 1
0H a
nd 1
4H•
The
mat
eria
l in
the
Tank
16H
ann
ulus
is e
xpec
ted
to b
e ch
emic
ally
di
ffere
nt th
an th
e ot
her t
anks
Pat
h Fo
rwar
d:
•C
larif
y ba
sis
for u
sing
Tan
k 16
H a
nnul
us c
once
ntra
tions
for o
ther
s•
Des
crib
e th
e im
pact
of t
he e
xpec
ted
chem
ical
diff
eren
ces
on th
e in
vent
ory
estim
ates
inte
rms
ofra
dion
uclid
esth
atco
uld
beun
der-
inve
ntor
y es
timat
es in
term
s of
radi
onuc
lides
that
cou
ld b
e un
der
or o
ver-
estim
ated
as
a re
sult
26
RA
I-IN
V-3:
HTF
-FTF
Pro
cess
Diff
eren
ces
Diff
eren
ces
in H
TF a
nd F
TF p
roce
sses
are
not
refle
cted
in
proj
ecte
d in
vent
orie
s•
HTF
and
FTF
proc
esse
ddi
ffere
ntw
aste
stre
ams
whi
chw
ould
lead
toH
TF a
nd F
TF p
roce
ssed
diff
eren
t was
te s
tream
s, w
hich
wou
ld le
ad to
ex
pect
ed d
iffer
ence
s in
the
inve
ntor
ies
•P
roje
cted
inve
ntor
ies
for c
erta
in ra
dion
uclid
es d
o no
t ref
lect
di
ffere
nces
, inc
ludi
ng ra
dion
uclid
es n
ot tr
acke
d by
the
Was
te
Ch
ti
tiS
tC
hara
cter
izat
ion
Sys
tem
Pat
h Fo
rwar
d:
•C
larif
y ho
w D
OE
est
imat
ed th
e in
vent
orie
s fo
r rad
ionu
clid
es n
ot
incl
uded
inth
eW
CS
(incl
udin
gw
heth
erFT
Fda
taw
asus
edfo
rHTF
incl
uded
in th
e W
CS
(inc
ludi
ng w
heth
er F
TF d
ata
was
use
d fo
r HTF
pr
ojec
tions
)•
Ple
ase
also
exp
lain
the
diffe
renc
es in
inve
ntor
y pr
ojec
tions
from
the
expe
ctat
ions
des
crib
ed in
SR
NL-
STI
-201
2-00
479,
Rev
. 3p
,
27
RA
I-IN
V-4:
Rep
rese
ntat
iven
ess
of T
ank
16H
A
nnul
usSa
mpl
esA
nnul
us S
ampl
esTh
e re
pres
enta
tiven
ess
of 2
010
Tank
16H
ann
ulus
sa
mpl
es is
not
cle
arp
•D
OE
use
s th
e co
ncen
tratio
n of
the
four
sam
ples
take
n in
201
0 (a
ll fro
m o
utsi
de o
f the
ven
tilat
ion
duct
) to
repr
esen
t all
of th
e Ta
nk
16H
ann
ulus
mat
eria
l•
It is
not
cle
ar w
hy re
sults
from
the
sam
ples
take
n in
200
6 (fr
om
insi
de a
nd o
utsi
de th
e du
ct) w
ere
not u
sed
to h
elp
info
rm th
e pr
ojec
ted
inve
ntor
y ca
lcul
atio
ns
pj
y
Pat
h Fo
rwar
d:•
Cla
rify
why
the
2006
sam
ples
wer
e no
t use
d P
idj
tifi
tif
hth
tti
fth
lt
k•
Pro
vide
just
ifica
tion
for w
hy th
e co
ncen
tratio
n of
the
sam
ples
take
n fro
m o
utsi
de th
e ve
ntila
tion
duct
ade
quat
ely
repr
esen
ts th
e co
ncen
tratio
n of
mat
eria
l ins
ide
the
duct
28
RA
I-IN
V-5:
Inve
ntor
y A
djus
tmen
ts
Ces
ium
, stro
ntiu
m, a
nd z
ircon
ium
inve
ntor
y ad
just
men
ts
requ
ire fu
rther
just
ifica
tion
•D
OE
est
imat
es Z
r-93
by
usin
g a
ratio
of S
r-90
to Z
r-93
of 5
8,00
0:1
deve
lope
d fro
m s
ludg
e ba
tch
sam
ples
, but
act
ual m
easu
red
resu
lts
do n
ot re
flect
this
ratio
•D
OE
redu
ces
the
cesi
um, s
tront
ium
, and
zirc
oniu
m in
vent
orie
s fo
r al
l tan
k ty
pes
by o
ne o
rder
of m
agni
tude
bas
ed o
n pr
oces
s sa
mpl
es, b
ut fi
nal c
hara
cter
izat
ion
does
not
refle
ct a
n ti
tib
tth
dti
tii
over
estim
atio
n, b
ut ra
ther
an
unde
rest
imat
ion
in m
any
case
s
Pat
h Fo
rwar
d:
•P
rovi
de a
dditi
onal
just
ifica
tion
for t
he a
ssum
ed ra
tio a
nd fo
r j
redu
cing
the
inve
ntor
ies
by a
n or
der o
f mag
nitu
de
29
FTF
Mon
itorin
g Fa
ctor
s R
elev
ant t
o H
TF
•Fi
nal I
nven
tory
and
Ris
k E
stim
ates
•R
esid
ual W
aste
Sam
plin
g•
Res
idua
l Was
te V
olum
e•
Anc
illary
Equ
ipm
ent I
nven
tory
•W
aste
Rem
oval
(As
it P
erta
ins
to A
LAR
A)
30
REL
EASE
AN
DN
EAR
-FIE
LDC
hris
toph
er G
ross
man
, 301
-415
-765
8, c
hris
toph
er.g
ross
man
@nr
c.go
v
REL
EASE
AN
D N
EAR
FIEL
D
TRA
NSP
OR
T
31
RA
I Cat
egor
ies
•S
teel
Cor
rosi
on/C
emen
titio
usD
egra
datio
n –
2•
Rep
rese
ntat
ion
of re
duci
ng c
apac
ity in
gro
ut•
Com
posi
tion
of w
ater
con
tact
ing
the
grou
t and
resi
dual
w
aste
–2
•S
elec
tion
ofso
lubi
lity
cont
rollin
gph
ases
fork
ey•
Sel
ectio
n of
sol
ubili
ty c
ontro
lling
pha
ses
for k
ey
radi
onuc
lides
–4
•M
odel
ing
of p
refe
rent
ial p
athw
ays
thro
ugh
the
annu
lus
of T
ype
I and
II ta
nks
–4
•A
ppro
pria
tene
ss o
f an
unsa
tura
ted
mod
el to
repr
esen
t sa
tura
ted
cond
ition
s
32
satu
rate
d co
nditi
ons
RA
I-NF-
1: O
xyge
n A
vaila
bilit
y fo
r Chl
orid
e-In
duce
dC
orro
sion
Indu
ced
Cor
rosi
onP
rovi
de s
uppo
rt fo
r im
plic
it co
nclu
sion
that
ste
el li
ner
rem
ains
esse
ntia
llypa
ssiv
edu
eto
limite
dox
ygen
rem
ains
ess
entia
lly p
assi
ve d
ue to
lim
ited
oxyg
en
avai
labi
lity
•S
teel
cor
rosi
on ra
tes
in c
onta
ct w
ith c
hlor
ide
solu
tion
esse
ntia
lly
pass
ive
due
tolim
ited
avai
labi
lity
ofox
ygen
pass
ive
due
to li
mite
d av
aila
bilit
y of
oxy
gen
•M
odel
ing
impl
ies
that
cor
rosi
on is
uni
form
and
redu
ctio
n an
d ox
idat
ion
reac
tions
occ
ur a
t sam
e lo
catio
nf
f(
•P
ossi
bilit
y of
sep
arat
ion
of c
atho
dic
and
anod
ic re
gion
s (e
.g.,
vaul
t re
bar,
trans
fer l
ines
, acr
oss
wat
er ta
ble)
Pat
h Fo
rwar
d: P
rovi
de b
asis
for i
mpl
icit
conc
lusi
on th
at
stee
l rem
ains
ess
entia
lly p
assi
ve in
ligh
t of o
xyge
n va
riatio
ns33
RA
I-NF-
2: D
iffus
ion
Coe
ffici
ents
thro
ugh
Vaul
t C
oncr
ete
Con
cret
e
Pro
vide
a b
asis
that
diff
usio
n co
effic
ient
s th
roug
h ta
nk
vaul
tcon
cret
ebo
und
perm
eabi
lity
chan
ges
resu
lting
from
vaul
t con
cret
e bo
und
perm
eabi
lity
chan
ges
resu
lting
from
ca
rbon
atio
n•
Mod
elin
g as
sum
es a
fixe
d ef
fect
ive
diffu
sion
coe
ffici
ent f
or c
arbo
n di
oxid
e an
d ox
ygen
•R
ebar
cor
rosi
on, d
ue to
vol
ume
expa
nsio
n is
kno
wn
to c
rack
co
ncre
te
Pat
h Fo
rwar
d: P
rovi
de b
asis
that
diff
usio
n co
effic
ient
s fo
r oxy
gen
and
carb
on d
ioxi
de th
roug
h ta
nk v
ault
conc
rete
ade
quat
ely
cons
ider
ef
fect
s of
vol
ume
expa
nsio
n fro
m c
orro
sion
of r
einf
orci
ng s
teel
pg
34
RA
I-NF-
3: L
onge
vity
of R
educ
ing
Con
ditio
ns
Pro
vide
add
ition
al s
uppo
rt fo
r usi
ng p
yrite
as
prox
y fo
r re
duct
ants
in g
eoch
emic
al m
odel
ing
•M
odel
ing
assu
mes
pyr
ite (F
eS2)
repr
esen
ts re
duci
ng c
apac
ity o
f gr
out
•O
ther
redu
ced
sulfu
r spe
cies
pre
sent
in b
last
furn
ace
slag
mig
ht
not b
e ad
equa
tely
acc
ount
ed fo
r by
use
of p
yrite
as
surr
ogat
e•
Mor
e so
lubl
e re
duce
d su
lfur s
peci
es c
ould
dep
lete
redu
cing
ca
paci
ty o
f the
gro
ut m
ore
quic
kly
than
mod
eled
Pat
h Fo
rwar
d: P
rovi
de a
dditi
onal
sup
port
that
pyr
ite is
a
reas
onab
le p
roxy
for g
rout
redu
cing
cap
acity
in th
e ge
oche
mic
al
mod
elin
gg
35
RA
I-NF-
4: C
ondi
tioni
ng o
f wat
er c
onta
ctin
g w
aste
was
teP
rovi
de b
asis
for a
ssum
ing
wat
er c
onta
ctin
g w
aste
will
cons
isto
f10%
wat
erco
nditi
oned
byov
erly
ing
grou
tco
nsis
t of 1
0% w
ater
con
ditio
ned
by o
verly
ing
grou
t•
Mod
elin
g as
sum
es w
ater
con
tact
ing
was
te is
a m
ixtu
re o
f wat
er
that
is c
ondi
tione
d by
redu
cing
gro
ut (1
0%) a
nd u
ncon
ditio
ned
(90%
)(9
0%)
•B
asis
for r
atio
app
roxi
mat
es m
odel
ed la
tera
l-to-
verti
cal
grou
ndw
ater
flow
for c
urre
nt c
ondi
tions
Eng
inee
red
barr
iers
orpr
efer
entia
lpat
hway
sm
aylim
itco
ntac
tof
•E
ngin
eere
d ba
rrie
rs o
r pre
fere
ntia
l pat
hway
s m
ay li
mit
cont
act o
f w
aste
by
cond
ition
ed w
ater
Pat
h Fo
rwar
d: P
rovi
de b
asis
for c
ondi
tioni
ng o
f wat
er c
onta
ctin
g th
e w
aste
und
er c
lose
d co
nditi
ons
36
RA
I-NF-
5: D
isso
lved
Oxy
gen
of G
roun
dwat
er
Con
cent
ratio
n of
dis
solv
ed o
xyge
n in
the
grou
ndw
ater
for
geoc
hem
ical
mod
elin
g m
ay b
e un
dere
stim
ated
•Lo
w d
isso
lved
oxy
gen
prol
ongs
redu
cing
con
ditio
ns•
Dat
a fro
m P
27D
, whi
ch is
ano
mal
ousl
y lo
w re
lativ
e to
oth
er S
RS
w
ells
•S
cree
ning
dep
th o
r loc
ally
impa
cted
gro
undw
ater
may
be
poss
ible
ca
uses
for l
ow v
alue
Pat
hFo
rwar
d:E
valu
ate
impa
ctof
varia
tion
indi
ssol
ved
Pat
h Fo
rwar
d: E
valu
ate
impa
ct o
f var
iatio
n in
dis
solv
ed
oxyg
en a
cros
s S
RS
or c
olle
ct a
dditi
onal
mea
sure
men
ts
from
HTF
37
RA
I-NF-
6: P
luto
nium
Sol
ubili
ty
Ass
umed
sol
ubilit
y va
lues
for p
luto
nium
are
not
wel
l su
ppor
ted
•M
odel
ing
assu
mes
PuO
2(am
,hyd
)co
ntro
ls s
olub
ility
•M
ore
solu
ble
plut
oniu
m c
arbo
nate
pha
ses
poss
ible
in T
ank
18F
sam
ples
and
con
vers
ion
to P
uO2(
am,h
yd)un
der c
lose
d co
nditi
ons
may
be
inhi
bite
d.•
Insu
ffici
ent s
uppo
rt fo
r Eh
thre
shol
d fo
r inc
reas
ed p
luto
nium
so
lubi
lity
and
that
wat
er c
onta
ctin
g w
aste
will
rem
ain
less
than
th
resh
old
durin
g ox
idiz
ing
cond
ition
s
Pat
h Fo
rwar
d: P
rovi
de a
dditi
onal
sup
port
for a
ssum
ed s
olub
ility
-lim
itin g
pha
se b
ased
on
char
acte
rizat
ion
data
and
that
Eh
of w
ater
g
ph
cont
actin
g w
aste
will
rem
ain
belo
w s
olub
ility
tran
sitio
n th
resh
old
38
RA
I-NF-
7: T
echn
etiu
m C
o-pr
ecip
itatio
n w
ith
Iron
Iron
Insu
ffici
ent b
asis
for a
ssum
ing
100%
of t
echn
etiu
m c
o-pr
ecip
itate
sw
ithiro
npr
ecip
itate
s w
ith ir
on•
DO
E c
ites
Han
ford
evi
denc
e of
Tc
co-p
reci
pita
tion
with
iron
•A
ssum
es ta
nk w
ashi
ng w
ill re
mov
e al
l of t
he m
ore
solu
ble
Tc-9
9•
Not
dem
onst
rate
d th
at ta
nk w
ashi
ng w
ill re
mov
e al
l the
mor
e so
lubl
e Tc
-99
and
that
the
rem
aini
ng T
c-99
will
be c
o-pr
ecip
itate
d w
ith ir
on
Pat
h Fo
rwar
d: P
rovi
de e
xper
imen
tal s
uppo
rt fo
r ass
umpt
ion
that
te
chne
tium
sol
ubili
ty is
con
trolle
d by
iron
co-
prec
ipita
tion
unde
r all
chem
ical
con
ditio
ns.
39
RA
I-NF-
8: P
reci
pita
tion
of R
adio
nucl
ides
from
A
nnul
iA
nnul
iA
pplic
atio
n of
sol
ubilit
y lim
its to
radi
onuc
lides
that
mig
rate
up
war
dsfro
man
nula
rreg
ions
toth
eco
ntam
inat
edzo
neis
upw
ards
from
ann
ular
regi
ons
to th
e co
ntam
inat
ed z
one
is
not w
ell s
uppo
rted
•R
adio
nucl
ides
ass
ocia
ted
with
was
te in
ann
uli a
re n
ot s
olub
ility
lim
ited
inm
odel
limite
d in
mod
el•
Mod
elin
g ap
plie
s so
lubi
lity
limits
to ra
dion
uclid
es th
at m
igra
te in
to
the
cont
amin
ated
zon
e•
Tech
netiu
m c
onst
rain
ed to
low
sol
ubili
ty a
ssoc
iate
d w
ith ir
on c
o-pr
ecip
itatio
n
Pat
h Fo
rwar
d: A
sses
s th
e se
nsiti
vity
of s
olub
ility
con
trol f
or
annu
lar i
nven
tory
that
mig
rate
s in
to c
onta
min
ated
zon
e on
tank
re
leas
es a
nd p
rovi
de b
asis
for s
olub
ility
lim
its a
pplie
d40
RA
I-NF-
9: U
ncer
tain
ty in
Sol
ubili
ty V
alue
s
Sol
ubilit
y va
lues
do
not a
dequ
atel
y ac
coun
t for
unc
erta
inty
in
pro
babi
listic
mod
elin
g•
Dis
cret
e di
strib
utio
n m
odel
ed to
acc
ount
for u
ncer
tain
ty•
Lack
of d
irect
evi
denc
e su
ppor
ting
solu
bilit
y lim
iting
pha
ses
sele
cted
to re
pres
ent u
ncer
tain
ty•
Unc
erta
inty
in N
EA
dat
abas
e ex
ceed
s ra
nge
cons
ider
ed in
pr
obab
ilist
ic m
odel
ing
Pat
hFo
rwar
d:R
evis
epr
obab
ility
dist
ribut
ions
with
mor
eP
ath
Forw
ard:
Rev
ise
prob
abili
ty d
istri
butio
ns w
ith m
ore
defe
nsib
le v
alue
s an
d pr
ovid
e re
vise
d re
sults
from
pro
babi
listic
an
alys
is
41
RA
I-NF-
10: L
ack
of P
refe
rent
ial P
athw
ay in
B
ase
Cas
eB
ase
Cas
eA
ssum
ptio
n of
no
pref
eren
tial p
athw
ays
in b
ase
case
is
notw
ells
uppo
rted
not w
ell s
uppo
rted
•P
roba
bilis
tic m
odel
ing
assu
mes
no
poss
ibili
ty fo
r pre
fere
ntia
l pa
thw
ays
in 7
5% o
f rea
lizat
ions
His
toric
alev
iden
ceof
was
tere
leas
e(1
6H)a
ndob
serv
atio
nsof
•H
isto
rical
evi
denc
e of
was
te re
leas
e (1
6H) a
nd o
bser
vatio
ns o
f gr
ound
wat
er in
-leak
age
sugg
est l
ikel
ihoo
d m
ay b
e gr
eate
r•
Whi
le g
rout
ing
may
hel
p lim
it pr
efer
entia
l pat
hway
s, s
hrin
kage
and
de
grad
atio
nw
illte
ndto
prom
ote
pref
eren
tialp
athw
ays
degr
adat
ion
will
tend
to p
rom
ote
pref
eren
tial p
athw
ays
Pat
h Fo
rwar
d: P
rovi
de a
dditi
onal
bas
is fo
r lik
elih
ood
of p
refe
rent
ial
path
way
s, e
xplic
itly
incl
ude
in b
ase
case
, or r
epor
t con
ditio
nal r
esul
ts
for c
ases
inde
pend
ently
42
RA
I-NF-
11: F
low
Thr
ough
Pre
fere
ntia
l Pa
thw
ays
forF
ully
/Par
tially
Subm
erge
dTa
nks
Path
way
s fo
r Ful
ly/P
artia
lly S
ubm
erge
d Ta
nks
Lim
iting
flow
of w
ater
thro
ugh
pref
eren
tial p
athw
ays
to
infil
trate
may
unde
rest
imat
ere
leas
eof
shor
ter-
lived
infil
trate
may
und
eres
timat
e re
leas
e of
sho
rterl
ived
ra
dion
uclid
es•
Wat
er fl
owin
g th
roug
h pr
efer
entia
l pat
hway
in a
ltern
ativ
e ca
ses
is
limite
dto
infil
trate
thro
ugh
clos
ure
cap
whi
chlim
itsea
rlyin
filtra
tion
limite
d to
infil
trate
thro
ugh
clos
ure
cap,
whi
ch li
mits
ear
ly in
filtra
tion
•O
pera
tiona
l exp
erie
nce
sugg
ests
gro
undw
ater
in-le
akag
e co
uld
occu
r ear
lier,
pote
ntia
lly a
llow
ing
sign
ifica
nt re
leas
es o
f sho
rt-liv
ed
radi
onuc
lides
radi
onuc
lides
Pat
h Fo
rwar
d: E
valu
ate
pote
ntia
l rel
ease
of r
adio
nucl
ides
due
to
grou
ndw
ater
in-le
akag
e vi
a a
pref
eren
tial p
athw
ay th
roug
h fu
lly a
nd
parti
ally
sub
mer
ged
tank
s
43
RA
I-NF-
12: C
onta
ct o
f Ann
ular
Con
tam
inat
ion
byPr
efer
entia
lPat
hway
s–
Type
Iby
Pre
fere
ntia
l Pat
hway
s –
Type
ILa
ck o
f a p
refe
rent
ial p
athw
ay th
roug
h an
nula
r co
ntam
inat
ion
forT
anks
9Han
d10
His
notw
ells
uppo
rted
cont
amin
atio
n fo
r Tan
ks 9
H a
nd 1
0H is
not
wel
l sup
porte
d•
Pre
fere
ntia
l pat
hway
doe
s no
t con
tact
ann
ular
was
te fo
r Tan
ks 9
H
and
10H
Che
mic
alco
nditi
ons
asso
ciat
edw
ithm
atrix
flow
thro
ugh
redu
cing
•C
hem
ical
con
ditio
ns a
ssoc
iate
d w
ith m
atrix
flow
thro
ugh
redu
cing
gr
out w
ould
lim
it m
obili
ty o
f red
ox-s
ensi
tive
radi
onuc
lides
, w
here
as, f
low
thro
ugh
a pr
efer
entia
l pat
hway
may
not
be
as
thor
ough
lyco
nditi
oned
thor
ough
ly c
ondi
tione
d
Pat
h Fo
rwar
d: E
valu
ate
rele
ase
scen
ario
due
to g
roun
dwat
er in
-le
akag
e in
to a
nd o
ut o
f the
ann
uli o
f Tan
ks 9
H a
nd 1
0H
44
RA
I-NF-
13: C
onta
ct o
f Ann
ular
Con
tam
inat
ion
byPr
efer
entia
lPat
hway
s–
Type
IIby
Pre
fere
ntia
l Pat
hway
s –
Type
IIE
xten
t of c
onta
ct b
etw
een
annu
lar c
onta
min
atio
n an
d pr
efer
entia
lpat
hway
sis
notc
lear
pref
eren
tial p
athw
ays
is n
ot c
lear
•M
odel
ing
resu
lts s
ugge
st s
igni
fican
t diff
usio
n fro
m s
and
pads
into
ba
sem
ats
and/
or c
onta
min
ated
zon
es p
rior t
o re
leas
eD
iffus
ion
enha
nced
bya
high
coef
ficie
ntla
rge
conc
entra
tion
•D
iffus
ion
enha
nced
by
a hi
gh c
oeffi
cien
t, la
rge
conc
entra
tion
grad
ient
s, s
mal
l pat
h le
ngth
s, n
o lin
ers,
and
lim
ited
flow
thro
ugh
pref
eren
tial p
athw
ay d
ue to
clo
sure
cap
per
form
ance
Ste
ellin
erre
mna
nts
and
grou
ndw
ater
inle
akag
em
aylim
it•
Ste
el li
ner r
emna
nts
and
grou
ndw
ater
in-le
akag
e m
ay li
mit
diffu
sion
Pat
h Fo
rwar
d: A
sses
s ex
tent
to w
hich
pre
fere
ntia
l pat
hway
s af
fect
w
aste
in th
e sa
nd p
ads
and
its s
igni
fican
ce
45
RA
I-NF-
14: M
odel
ing
of S
atur
ated
Zon
e in
N
ear-
Fiel
dN
ear-
Fiel
dB
asis
for m
odel
ing
tank
rele
ases
und
er u
nsat
urat
ed
cond
ition
s fo
r ful
ly/p
artia
lly s
ubm
erge
d ta
nks
is n
ot w
ell
yp
yg
supp
orte
d•
Rel
ease
s fro
m ta
nks
loca
ted
with
in o
r bel
ow th
e w
ater
tabl
e ar
e m
odel
edw
ithan
unsa
tura
ted
flow
and
trans
port
near
-fiel
dm
odel
mod
eled
with
an
unsa
tura
ted
flow
and
tran
spor
t nea
rfie
ld m
odel
be
fore
load
ing
into
the
HTF
/PO
RFL
OW
mod
el u
sed
for s
atur
ated
tra
nspo
rt•
Uns
atur
ated
mod
elin
gm
ayin
crea
setra
velt
imes
toa
pote
ntia
lU
nsat
urat
ed m
odel
ing
may
incr
ease
trav
el ti
mes
to a
pot
entia
l re
cept
or o
r red
uce
rele
ase
rate
s in
cer
tain
cas
es
Pat
h Fo
rwar
d: C
larif
y ap
proa
ch a
nd e
valu
ate
impa
ct o
f sim
ulat
ing
rele
ases
usin
gan
unsa
tura
ted
mod
elin
gap
proa
chre
leas
es u
sing
an
unsa
tura
ted
mod
elin
g ap
proa
ch
46
Cla
rifyi
ng C
omm
ents
•G
roun
dwat
er in
-leak
age
to fu
lly/p
artia
lly s
ubm
erge
d ta
nks
Mi
lft
hh
dt
dt
df
•M
iner
alog
y of
the
hydr
ated
gro
ut a
ssum
ed fo
r ge
oche
mic
al m
odel
ing
•B
asis
forc
emen
t-lea
chat
eim
pact
edso
rptio
nm
odel
Bas
is fo
r cem
entl
each
ate
impa
cted
sor
ptio
n m
odel
pa
ram
eter
s•
Gro
utin
g pl
ans
for t
rans
fer l
ines
•V
alid
ity o
f chl
orid
e di
ffusi
on b
ound
ary
cond
ition
s su
ppor
ting
corro
sion
mod
elin
g
47
FTF
Mon
itorin
g Fa
ctor
s R
elev
ant t
o H
TF
•S
olub
ility
Lim
iting
Pha
ses/
Lim
its a
nd V
alid
atio
n•
Che
mic
al T
rans
ition
Tim
es a
nd V
alid
atio
n•
Gro
undw
ater
Con
ditio
ning
•S
hrin
kage
and
Cra
ckin
g•
Gro
ut P
erfo
rman
ce•
Bas
emat
Per
form
ance
•U
seof
Sta
biliz
ing
Gro
ut(A
sIt
Per
tain
sto
ALA
RA
)•
Use
of S
tabi
lizin
g G
rout
(As
It P
erta
ins
to A
LAR
A)
•M
odel
and
Par
amet
er S
uppo
rt
48
HYD
RO
LOG
YA
ND
FAR
-FIE
LDC
ynth
ia B
arr,
301-
415-
4015
, cyn
thia
.bar
r@nr
c.go
v
HYD
RO
LOG
Y A
ND
FA
RFI
ELD
TR
AN
SPO
RT
49
RA
I Cat
egor
ies
Clib
ti•
Cal
ibra
tion
–R
esul
ts–
Targ
ets
g–
Pro
cess
50
RA
I-FF-
1: H
TF/P
OR
FLO
W C
alib
ratio
n
The
HTF
/PO
RFL
OW
mod
el m
ay n
ot b
e w
ell c
alib
rate
d•
GS
A/F
AC
T an
d G
SA
/PO
RFL
OW
mod
el d
ocum
enta
tion
sugg
est
thtt
hd
lit
lllib
td
llt
HTF
that
the
mod
el is
not
wel
l cal
ibra
ted
loca
l to
HTF
•D
ose
pred
ictio
ns c
ould
be
over
-or u
nder
-est
imat
ed d
epen
ding
on
sour
ce lo
catio
n an
d ra
dion
uclid
e du
e to
poo
r mod
el c
alib
ratio
n
Pat
h Fo
rwar
d:•
Pro
vide
add
ition
al d
etai
l reg
ardi
ng re
sidu
als
and
calib
ratio
nst
atis
tics
loca
lto
HTF
calib
ratio
n st
atis
tics
loca
l to
HTF
.•
Per
form
val
idat
ion
exer
cise
s us
ing
envi
ronm
enta
l m
onito
ring
data
, sou
rce
rele
ase
info
rmat
ion,
and
m
odel
ing
tool
s.
51
RA
I-FF-
2: R
epre
sent
ativ
enes
s of
Cal
ibra
tion
Targ
ets
forP
ost-C
losu
reC
ondi
tions
Targ
ets
for P
ost-C
losu
re C
ondi
tions
Cal
ibra
tion
targ
ets
may
not
repr
esen
t pos
t-clo
sure
co
nditi
ons
•O
pera
tiona
l sou
rces
and
sin
ks m
ay h
ave
exis
ted
at H
TF a
nd
influ
ence
d ca
libra
tion
targ
ets.
•C
alib
ratio
n ta
r get
s m
ay n
ot b
e re
pres
enta
tive
of a
vera
ge, p
ost-
gy
pg
pcl
osur
e co
nditi
ons.
Pat
h Fo
rwar
d:
•E
valu
ate
liste
d an
d po
tent
ial o
pera
tiona
l sou
rces
and
sin
ks a
t HTF
p
pan
d th
eir p
oten
tial i
mpa
ct o
n ca
libra
tion
targ
ets.
•D
evel
op n
ew c
alib
ratio
n ta
rget
s an
d re
calib
rate
the
mod
el, i
f ne
cess
ary.
•E
valu
ate
the
impa
ct o
f cal
ibra
tion
unce
rtain
ty o
n th
e P
erfo
rman
ce
Ass
essm
ent r
esul
ts.
52
RA
I-FF-
3: H
ydra
ulic
Con
duct
ivity
A
ssig
nmen
tsA
ssig
nmen
tsH
ydra
ulic
con
duct
ivity
ass
ignm
ents
dur
ing
GS
A/P
OR
FLO
W
calib
ratio
n la
ck s
uppo
rt.A
djt
tt
hd
lid
tiit
di
dl
libti
t•
Adj
ustm
ents
to h
ydra
ulic
con
duct
ivity
dur
ing
mod
el c
alib
ratio
n m
ay n
ot
have
a s
trong
bas
is.
•C
hang
es in
hyd
raul
ic c
ondu
ctiv
ity c
ould
lead
to s
igni
fican
t cha
nges
in
the
HTF
flow
fiel
d.•
Dos
e pr
edic
tions
cou
ld b
e un
der-
or o
ver-
estim
ated
bas
ed o
n su
ch
fact
ors
as s
ourc
e lo
catio
n an
d ra
dion
uclid
e.P
ath
Forw
ard:
•
Cla
rify
the
horiz
onta
land
verti
cale
xten
tofh
ydra
ulic
cond
uctiv
ity•
Cla
rify
the
horiz
onta
l and
ver
tical
ext
ent o
f hyd
raul
ic c
ondu
ctiv
ity
adju
stm
ents
at H
TF d
urin
g m
odel
cal
ibra
tion.
•P
rovi
de a
dditi
onal
sup
port
for h
ydra
ulic
con
duct
ivity
ass
ignm
ents
at
HTF
.E
lh
ifh
dli
di
ii
h•
Eva
luat
e th
e im
pact
of h
ydra
ulic
con
duct
ivity
unc
erta
inty
on
the
Per
form
ance
Ass
essm
ent r
esul
ts.
53
RA
I-FF-
4: T
ime-
Varia
nt R
echa
rge
and
Flow
HTF
/PO
RFL
OW
lack
s co
nsid
erat
ion
of ti
me-
varia
nt re
char
ge
and
flow
•C
limat
ic fl
uctu
atio
ns a
nd e
n gin
eere
d ba
rrie
r deg
rada
tion
gg
coul
d ha
ve a
sig
nific
ant i
mpa
ct o
n re
char
ge ra
tes
and
the
HTF
flow
fiel
d.•
Rel
ease
s co
uld
occu
r fro
m s
ubm
erge
d or
par
tially
su
bmer
ged
tank
spr
iort
oen
gine
ered
barr
ierf
ailu
resu
bmer
ged
tank
s pr
ior t
o en
gine
ered
bar
rier f
ailu
re.
Pat
h Fo
rwar
d:•
Eva
luat
e th
e im
pact
of c
limat
ic fl
uctu
atio
ns o
n th
e H
TF fl
ow
field
field
.•
Eva
luat
e th
e im
pact
of t
he fu
lly fu
nctio
ning
and
deg
radi
ng
engi
neer
ed c
losu
re c
ap o
n th
e H
TF fl
ow fi
eld.
•E
valu
ate
the
impa
ctof
engi
neer
edba
rrie
rdeg
rada
tion
onE
valu
ate
the
impa
ct o
f eng
inee
red
barr
ier d
egra
datio
n on
H
TF re
leas
es a
nd th
e H
TF fl
ow fi
eld
over
tim
e.
54
Cla
rifyi
ng C
omm
ents
•D
egre
e of
ver
tical
spr
eadi
ng fr
om ta
nk s
ourc
es a
nd
diffe
renc
es in
ver
tical
dis
pers
ion
betw
een
east
and
wes
t ta
nks
tank
s.•
Deg
ree
of tr
ansv
erse
spr
eadi
ng a
nd u
tiliz
atio
n of
tra
nsve
rse
disp
ersi
vity
to s
imul
ate
chan
ging
flow
p
yg
gdi
rect
ions
par
ticul
arly
for w
este
rn s
ourc
es.
•E
ffect
ive
dilu
tion
fact
ors
appl
ied
at e
nd o
f the
flow
pat
h in
prob
abili
stic
mod
elin
gto
acco
untf
orin
crea
sed
in p
roba
bilis
tic m
odel
ing
to a
ccou
nt fo
r inc
reas
ed
velo
city
.•
Effe
ctiv
e di
lutio
n fa
ctor
s fo
r var
ious
sou
rce
term
s an
d
55
radi
onuc
lides
in p
roba
bilis
tic m
odel
ing.
FTF
Mon
itorin
g Fa
ctor
s R
elev
ant t
o H
TF
•N
atur
al A
ttenu
atio
n of
Plu
toni
um•
Cal
care
ous
Zone
Dis
solu
tion
•N
ear-
and
Far-F
ield
Mod
el In
tegr
atio
n•
Tran
spar
ency
of M
odel
Cal
ibra
tion
•E
xpos
ure
Poi
nt L
ocat
ion
56
INA
DVE
RTE
NT
INTR
USI
ON
Cyn
thia
Bar
r, 30
1-41
5-40
15, c
ynth
ia.b
arr@
nrc.
gov
INA
DVE
RTE
NT
INTR
USI
ON
57
Cla
rifyi
ng C
omm
ents
•C
onsi
dera
tion
of a
ltern
ativ
e ca
ses
in in
trude
r ana
lyse
s•
Res
ults
for a
ltern
ativ
e ca
se E
58
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