Ifi

-'<

\V
(
)

,

'"'

7
L
1

';'q;:,

I

I~

-0/
(

.
Figure 3

Updated 02/25/2010 by Parametrix, Inc.

-

o

Apparent Point of Discharge. Shallow Ground
Water from WSP Property to Surface Waler

10000 Feet

5000

~~iiiiiiiiiiiiiiiiiiiO!!!!!!!!!!!!!!!!!!!!!!!!iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii2l!!!!!!!!!!!!!!!!~3Miles

Probable Polnl of Entry (PPE). Runoff Into
Surface waler via Shallow Ground Water

Scale 1:100,000

ecology and environment, inc.
International Specialists in the Environment
SealUe. Washington

WASHINGTON STATE PENITENTIARY
Walla Walla, Washington

Figure 4
AREA TOPOGRAPHY AND SURFACE WATER FEATURES

1----------------------l------r----~-----------------___1
Source:

Washinglon Stale Department of Ecology, 2000.

Date:

Drawn by:

7/13/09

AES

10:002330WD2703\fig 4

N

--

~.
~.

Not to Scale

y~----_._-VK

--II---

'f-1,
1'111

1~t

\\\

,,'~ .•. "".'-.--.
K

\~

=S~
~ .. ~-~
--~
~----= - ,~.~.--.
,

I

~

,

rnrn.

l

-;-~

.......

:.~J:~.~x--..

.-·-

J~--'--'--'--i
J~--'--.--.--.

O\llER
OIll'ER

(
J/'

.;"'"
//
'
.

~

\~
.~

'\

BASIN 2 AND 3
BOUNDARY
BOUNDARV

o
Cl

EJ
~

.......-'~
...J~
~
«
all<
01>'
O~

BU1LOING
SUlLOIN<;
INOUSTRI£S
INDUSTRIES BUILDING

I;IJ
I

.·__·_·LJ
-_. -_.
_···__·_··sO

\-l,-.-----....
\ '----...,.----.,.."'l;9~~--------­
,-.------.,.
•
:'l----...,.----.,..~9i)-~--------­

...

0'"
uo
ColO
t-

If)
V>
VI
III

9

~I HOUS(

"I GATE
GATE

INC aUILO~IN=CS=====1'
BUILO~IN=CS====1'
BUILO~IN=GS=====t'

~!::=I
J ~!:==---.,..

HOUSe
HOUSE:

POII'(R
POwt:R
PO~
HOUSE
HOUSf.
HOUS£

I) I
ecology and environment, inc.
International Specialists in the Environment
Seattle, Washington

n

\(~
\(~

6-NHG
6-MNG
6-'MHG DAY
RO
6-NNG
6-IMNG
aAY RD

Figure 3

Figure 5
SITE DRAINAGE

WASHINGTON STATE PENITENTIARY
Walla, Walla, Washington
Source: Parametrix, Inc., 1995.

AR1S AHD
AftlS
AND
CR,6i1S
CR.'i1S
CRNlS
CR~S

G'f),IHASlUM
C'l?INASlUM

\0

=
=d
d
-, ...;
.

&

RECREAliON
REffiEAlIOH
llE~EAlIOH 'fARO
YARD
YARO

Date:
6/8/09

Drawn by:
AES
10:002330WD2703\fig 3
Updated 02/25/2010 by Parametrix, Inc.

0

250

500

Approximate Scale in Feet
Note:

N

Facilities Not To Scale

ecology and environment, inc.
&

International Specialists in the Environment
Seattle, Washington

Source: Parametrix, Inc., 1995.

WASHINGTON STATE PENITENTIARY
Walla Walla, Washington

Figure 6
STORMWATER DRAINAGE (NORTH)
Date:
7/13/09

Drawn by:
AES

10:002330WD2703\fig 6

AOC #1 - Washington State Penitentiary Landfill

AOC #2 - Former Dry Cleaning

MW-1

Proposed Sampling: Geophysical survey will be
conducted to determine if drums are present in
landfill. Manual excavation of test pits as well as soil
gas, soil, surface water, and groundwater sampling.

S-3

MW-2

S-2

S-1

Farm Shop

G70O
Lq.t9J
[~:t9]
l.<it
]
IImol

1

MW-9

AOC #8 - Sign Shop (location unknown)

---1-125----1-125---

Confirmed Contaminants: Trichloroethene and
Chloroform in groundwater samples and toluene in
surface water samples. Combustible gas also present.

iiiiJlliii~A70

Suspected COCs: VOCs and SVOCs (chlorinated
solvents, degreasers, and petroleum products).
Proposed Sampling: Soil gas survey and soil
sampling.

Suspected COCs: TCE and its degredation
products.
Proposed Sampling: Soil gas survey followed
by soil sampling.

AOC #9 - Metal Plant (location unknown)
Confirmed COCs: No sampling has been
conducted.

"'K10;-; ;

MW-3

~~
~*=~
~
c70iJ
S70iJ
S.70~J

Confirmed COCs: No sampling has been
conducted.

Confirmed COCs: No sampling has been
conducted but strong chemical odors observed
during demolition. Area suspected as primary
source of contamination.

I.

MW-4

7/.";

Suspected COCs: VOCs (solvents).

T 11

Proposed Sampling: Soil gas survey and soil
sampling.

Recycle

D
D=-

AOC #5 - Auto Body Work and
Furniture Refinishing Shop

C.m.
C,m.
G.m.

Department
Deplrtment
Deparfmant

Confirmed COCs: No sampling has
been conducted.
Proposed Sampling: Groundwater
sampling, well installation, and
groundwater monitoring to assess
groundwater flow.

MW-5
AOC #7 - Steam Plant Boiler Ash

AOC #6 - Former Hazardous Waste
Accumulation Area
Confirmed COCs: No sampling has been conducted.

Proposed Sampling: Soil gas survey and
soil sampling.

LEGEND

T1

T1

Suspected COCs: VOCs, SVOCs, Metals, and TPH.
See Section 3.2 for more details.

MW-7

nSlon Project
Expansion
2006 - 2007

Proposed Sampling: Surface soil at potential
locations of ash disposal.
EJlO City WI""
~ocated
Located
lncatod on
... the
tho~
Ea~
East
~
erimeter Fence
Penmeter
Perimeter
fence line
Ine ~
r5i""""7
__
.)

T3

I rF'"-

;;:;~===~g:======:J i

T4

Proposed Sampling: Soil gas survey and soil
sampling.

AOC #4 - Former UST Locations (8 total)
Proposed Sampling: Groundwater sampling.

~

MI Control Area

~
rrAl

EJ=
J80

II

Jao

Sudbury Road Landfill Monitoring Well

e

~

~

-.!::D~[]

A30~

"I

....::'.~::===== __J I

WSP Monitoring Well

~.-;;j~JW\~M

=J I~ri.=~-~-~" r~~

c=-"'''-:'

Future Expansion
Surface Water Sample

POD~.~
A30

:

~/
~
~1:'~<1

I
C80
cao
o

MW-10

~_.mel_~_:_F:::"T~:..::..-~EC'l:90,

iI

Confirmed COCs: No sampling has been conducted.

MSC Control Area
.trolArea

-EcII.hA.o.

General Groundwater
Flow Direction

I
I

~
~
lit---=~=======-===:::QiGra~vel~ROad~=JfL
_-================::§G~raVe~IROad~==~JfL
---==="=""=======","G,,",~elRilid~~
UJ
ll..rReesAve.
---fi
-.J\.

ecology and environment, inc.
&

T 10

Suspected COCs: Metals.

;

T

C90

Suspected COCs: VOCs, SVOCs, Metals, and TPH.
See Section 3.2 for more details.

ir%,~
~
L~.
"A
Expa .

Confirmed COCs: No sampling has been conducted.

EgO
ESO
Supply
EOO City
City Water
WlIor Su

~
m

AOC #3 - Former Motor Pool

Former Tank (UST) Location

T8

T9

z
Seattle, Washington

Source: Washington State Department of Corrections, 2009.

Construction Yard
--'----

WASHINGTON STATE PENITENTIARY
Walla Walla, Washington

Gravel
Road
Grav4i1RilOd

N

ReesAve.
RoosA...

Not to Scale

Figure 7
PRELIMINARY SITE CONCEPTUAL MODEL MAP
Date:
7/14/09

Drawn by:
AES

10:002330WD2703\fig 7
Updated 02/25/2010 by Parametrix, Inc.

Precipitation
(Dry v.s. Wet
Season)

Precipitation

Precipitation

Contaminated
Groundwater

Sudbury Road
Landfill
(Groundwater)

P
Co otenti
n
Sur tami ally
fac nate
eW d
ate
r

Groundwater

Co
Gr ntam
ou in
nd at
wa ed
ter

lly
tia ted
n
e
a
t
Po tamin ater
W
n
Co rface
Su

Potentially Contaminated
Stormwater

Washington State
Penitentiary
Landfill

Potentially Contaminated
Groundwater

Southern
Drainage Area/
Wetland

Surface Water

Washington State
Penitentiary
Facility

Potentially Contaminated
Stormwater

Key:
Regional Surface Water Pathway
Regional Groundwater Pathway

Mill Creek (Surface Water)

Precipitation
Contaminated Groundwater
Potentially Contaminated
Stormwater

ecology and environment, inc.
&

International Specialists in the Environment
Seattle, Washington

WASHINGTON STATE PENITENTIARY
Walla, Walla, Washington

Figure 8
PRELIMINARY SITE CONCEPTUAL MODEL DIAGRAM
Date:
7/13/09

Drawn by:
AES

10:002330WD2703\fig 8