D-87 PZ-110-SS PZ-111-KS PZ-111-SD PZ-112-AS PZ-104-KS PZ-104-SD PZ-104-SS PZ-109-SS D-14 D-83 I-62 PZ-101-SS PZ-200-SS PZ-207-AS PZ-102R-SS PZ-102-SS B B' A' A AREA 2 AREA 1 PROPERTY BOUNDARY MW-102 S-61 D-6 I-11 S-10 D-12 LCS-3C LCS-1D LCS-6B PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL PL ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? NORTHWEST A SOUTHEAST A' 450 400 350 300 450 400 350 300 ELEVATION ABOVE MEAN SEA LEVEL (feet) BEND IN SECTION Closed Demolition Landfill Site Access Road North Quarry Portion of the Bridgeton Landfill Area 2 Area 1 PL PL Property Boundary ONSITE WORKERS Direct Contact Ingestion Inhalalation Radiation OFFSITE WORKERS Inhalation WINDBLOWN DUST AND RADON RADON EMISSIONS DISSOLVED PHASE TRANSPORT IN GROUNDWATER LEACHING TO GROUNDWATER DISSOLVED PHASE TRANSPORT IN GROUNDWATER SURFACE WATER RUNOFF TRANSPORT WINDBLOWN DUST AND RADON ONSITE WORKERS Direct Contact Ingestion Inhalalation Radiation SURFACE WATER RUNOFF TRANSPORT RADON EMISSIONS RIM Clay Alluvium St. Louis Fm Loess Loess ? St. Louis Fm Solid Waste Solid Waste Fill RIM RIM RIM Solid Waste Solid Waste RIM RIM Alluvium LEACHING TO GROUNDWATER EMSI Engineering Management Support, Inc. GEOLOGIC LEGEND Solid Waste Clay Loess Alluvium St Louis Fm Limestone Salem Fm Limestone Keokuk Fm Limestone Warsaw Fm LEGEND Geostatisical Estimate of Radiologically Impacted Material (RIM) September 2013 Alluvial Groundwater Elevation Taken at Well September 2013 St Louis Fm Groundwater Elevation Taken at Well September 2013 Alluvial Groundwater Elevation at Cross Section Intersection September 2013 St Louis Fm Groundwater Elevation at Cross Section Intersection 150 0 75 HORIZONTAL SCALE IN FEET VERTICAL EXAGGERATION 5X M:\clients\EMSI\westlake\2017\RI-Addendum-edits\Section-7\FIG-7-1-Section Pathways.dwg 6/9/17 Cross Section Index September 2013 Leachate Groundwater Elevation Taken at Well Potential Contaminant Migration and Exposure Pathways Figure 7-1 West Lake Landfill OU-1 RI Addendum Possible Exposure Pathway Possible Migration Pathway Notes: These cross-sections were developed to display groundwater conditions beneath the site , and only reflect the RIM occurrences along these sections. Please see the cross-sections in Appendix M for more detailed portrayals of the RIM occurrences in Areas 1 and 2. Ground surface from Aerial Topography provided by Cooper Aerial Surveys Co. and is dated December 2, 2016
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
D-87
PZ-110-SS
PZ-111-KS
PZ-111-SD
PZ-112-AS
PZ-104-KS
PZ-104-SD
PZ-104-SS
PZ-109-SS
D-14
D-83
I-62
PZ-101-SS
PZ-200-SS
PZ-207-AS
PZ-102R-SS
PZ-102-SS
B
B'
A'
A
AREA 2
AREA 1
PROPERTY
BOUNDARY
MW-102
S-61
D-6
I-11
S-10
D-12
LCS-3C
LCS-1D
LCS-6B
P
L
P
L
P
L
PL
PL
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
PL
PL
PL
PL
PL
P
L
P
L
P
LP
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
P
L
?
?
?
?
?
?
?
??
?
?
?
?
?
?
?
?
?
NORTHWEST
A
SOUTHEAST
A'
450
400
350
300
450
400
350
300
EL
EV
AT
IO
N A
BO
VE
ME
AN
S
EA
L
EV
EL
(fe
et)
BEND IN
SECTION
Closed
Demolition
Landfill
Site A
ccess R
oad
North Quarry
Portion of the
Bridgeton Landfill
Area 2 Area 1
PL
PL
Property B
oundary
ONSITE WORKERS
Direct Contact
Ingestion
Inhalalation
Radiation
OFFSITE WORKERS
Inhalation
WINDBLOWN
DUST AND
RADON
RADON
EMISSIONS
DISSOLVED
PHASE
TRANSPORT IN
GROUNDWATER
LEACHING TO
GROUNDWATER
DISSOLVED
PHASE
TRANSPORT IN
GROUNDWATER
SURFACE WATER
RUNOFF TRANSPORT
WINDBLOWN
DUST AND
RADON
ONSITE WORKERS
Direct Contact
Ingestion
Inhalalation
Radiation
SURFACE WATER
RUNOFF TRANSPORT
RADON EMISSIONS
RIM
Clay
Alluvium
St. Louis Fm
Loess
Loess ?
St. Louis Fm
Solid Waste
Solid Waste
Fill
RIM
RIM
RIM
Solid Waste
Solid Waste
RIM
RIM
Alluvium
LEACHING
TO GROUNDWATER
EMSI Engineering Management Support, Inc.
GEOLOGIC LEGEND
Solid
Waste
Clay
Loess
Alluvium
St Louis Fm
Limestone
Salem Fm
Limestone
Keokuk Fm
Limestone
Warsaw Fm
LEGEND
Geostatisical Estimate
of Radiologically
Impacted Material (RIM)
September 2013 Alluvial Groundwater
Elevation Taken at Well
September 2013 St Louis Fm
Groundwater Elevation Taken at Well
September 2013 Alluvial Groundwater
Elevation at Cross Section Intersection
September 2013 St Louis Fm Groundwater
Elevation at Cross Section Intersection
1500 75
HORIZONTAL SCALE IN FEET
VERTICAL EXAGGERATION 5X
M:\clients\E
MS
I\w
estlake\2017\R
I-A
ddendum
-edits\S
ection-7\F
IG
-7-1-S
ection P
athw
ays.dw
g 6/9/17
Cross Section Index
September 2013 Leachate Groundwater
Elevation Taken at Well
Potential Contaminant
Migration and Exposure Pathways
Figure 7-1
West Lake Landfill OU-1 RI Addendum
Possible Exposure Pathway
Possible Migration Pathway
Notes: These cross-sections were developed to display groundwater conditions beneath the site, and only reflect the RIM occurrences along these sections.
Please see the cross-sections in Appendix M for more detailed portrayals of the RIM occurrences in Areas 1 and 2.
Ground surface from Aerial Topography provided by Cooper Aerial Surveys Co. and is dated December 2, 2016
LegendResult plus 2 Sigma Note: Early non-detect results with elevated MDAs not shown.Radium Result Linear regression trend lineResult minus 2 Sigma R2 - linear regression line correlation coefficient
Well D-3 Radium ResultsWest Lake Landfill OU-1 RI Addendum
Engineering Management Support, Inc.EMSI
Figure 7-5
R² = 0.3395
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Activ
ity (p
Ci/L
)Well D-3 Radium-226 Total
R² = 0.2814
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Activ
ity (p
Ci/L
)
Well D-3 Radium-226 Dissolved
R² = 0.4654
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
Activ
ity (p
Ci/L
)
Well D-3 Radium-228 Total
R² = 0.1913
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
Activ
ity (p
Ci/L
)
Well D-3 Radium-228 Dissolved
LegendResult plus 2 Sigma Note: Early non-detect results with elevated MDAs not shown.Radium Result Linear regression trend lineResult minus 2 Sigma R2 - linear regression line correlation coefficient
Well I-4 Radium ResultsWest Lake Landfill OU-1 RI Addendum
Engineering Management Support, Inc.EMSI
Figure 7-6
R² = 0.0459
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
Jan-
96
Jan-
97
Jan-
98
Jan-
99
Jan-
00
Jan-
01
Jan-
02
Jan-
03
Jan-
04
Jan-
05
Jan-
06
Jan-
07
Jan-
08
Jan-
09
Jan-
10
Jan-
11
Jan-
12
Jan-
13
Jan-
14
Activ
ity (p
Ci/L
)Well I-4 Radium-226 Total
R² = 0.0556
0.0
2.0
4.0
6.0
8.0
10.0
12.0
Jan-
96
Jan-
97
Jan-
98
Jan-
99
Jan-
00
Jan-
01
Jan-
02
Jan-
03
Jan-
04
Jan-
05
Jan-
06
Jan-
07
Jan-
08
Jan-
09
Jan-
10
Jan-
11
Jan-
12
Jan-
13
Jan-
14
Activ
ity (p
Ci/L
)
Well I-4 Radium-228 Total
R² = 0.0743
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
Activ
ity (p
Ci/L
)
Well I-4 Radium-226 Dissolved
R² = 0.2271
0.0
2.0
4.0
6.0
8.0
10.0
12.0
Jan-
96
Jan-
97
Jan-
98
Jan-
99
Jan-
00
Jan-
01
Jan-
02
Jan-
03
Jan-
04
Jan-
05
Jan-
06
Jan-
07
Jan-
08
Jan-
09
Jan-
10
Jan-
11
Jan-
12
Jan-
13
Jan-
14
Activ
ity (p
Ci/L
)
Well I-4 Radium-228 Dissolved
LegendResult plus 2 Sigma Note: Early non-detect results with elevated MDAs not shown.Radium Result Linear regression trend lineResult minus 2 Sigma R2 - linear regression line correlation coefficient
Well S-5 Radium ResultsWest Lake Landfill OU-1 RI Addendum
Engineering Management Support, Inc.EMSI
Figure 7-7
R² = 0.0027
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Jan-
96
Jan-
97
Jan-
98
Jan-
99
Jan-
00
Jan-
01
Jan-
02
Jan-
03
Jan-
04
Jan-
05
Jan-
06
Jan-
07
Jan-
08
Jan-
09
Jan-
10
Jan-
11
Jan-
12
Jan-
13
Jan-
14
Activ
ity (p
Ci/L
)Well S-5 Radium-226 Total
R² = 0.2831
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Jan-
96
Jan-
97
Jan-
98
Jan-
99
Jan-
00
Jan-
01
Jan-
02
Jan-
03
Jan-
04
Jan-
05
Jan-
06
Jan-
07
Jan-
08
Jan-
09
Jan-
10
Jan-
11
Jan-
12
Jan-
13
Jan-
14
Activ
ity (p
Ci/L
)
Well S-5 Radium-226 Dissolved
0.0
2.0
4.0
6.0
8.0
10.0
12.0
Jan-
96
Jan-
97
Jan-
98
Jan-
99
Jan-
00
Jan-
01
Jan-
02
Jan-
03
Jan-
04
Jan-
05
Jan-
06
Jan-
07
Jan-
08
Jan-
09
Jan-
10
Jan-
11
Jan-
12
Jan-
13
Jan-
14
Activ
ity (p
Ci/L
)
Well S-5 Radium-228 Total
R² = 0.0798
0.0
2.0
4.0
6.0
8.0
10.0
12.0
Jan-
96
Jan-
97
Jan-
98
Jan-
99
Jan-
00
Jan-
01
Jan-
02
Jan-
03
Jan-
04
Jan-
05
Jan-
06
Jan-
07
Jan-
08
Jan-
09
Jan-
10
Jan-
11
Jan-
12
Jan-
13
Jan-
14
Activ
ity (p
Ci/L
)
Well S-5 Radium-228 Dissolved
LegendResult plus 2 Sigma Note: Early non-detect results with elevated MDAs not shown.Radium Result Linear regression trend lineResult minus 2 Sigma R2 - linear regression line correlation coefficient
Well I-68 Radium ResultsWest Lake Landfill OU-1 RI Addendum
Engineering Management Support, Inc.EMSI
Figure 7-8
R² = 0.3718
0.00.51.01.52.02.53.03.54.04.55.0
Jan-
96
Jan-
97
Jan-
98
Jan-
99
Jan-
00
Jan-
01
Jan-
02
Jan-
03
Jan-
04
Jan-
05
Jan-
06
Jan-
07
Jan-
08
Jan-
09
Jan-
10
Jan-
11
Jan-
12
Jan-
13
Jan-
14
Activ
ity (p
Ci/L
)Well I-68 Radium-226 Total
R² = 0.4382
0.00.51.01.52.02.53.03.54.04.55.0
Jan-
96
Jan-
97
Jan-
98
Jan-
99
Jan-
00
Jan-
01
Jan-
02
Jan-
03
Jan-
04
Jan-
05
Jan-
06
Jan-
07
Jan-
08
Jan-
09
Jan-
10
Jan-
11
Jan-
12
Jan-
13
Jan-
14
Activ
ity (p
Ci/L
)
Well I-68 Radium-226 Dissolved
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Jan-
96
Jan-
97
Jan-
98
Jan-
99
Jan-
00
Jan-
01
Jan-
02
Jan-
03
Jan-
04
Jan-
05
Jan-
06
Jan-
07
Jan-
08
Jan-
09
Jan-
10
Jan-
11
Jan-
12
Jan-
13
Jan-
14
Activ
ity (p
Ci/L
)
Well I-68 Radium-228 Total
R² = 0.1254
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Jan-
96
Jan-
97
Jan-
98
Jan-
99
Jan-
00
Jan-
01
Jan-
02
Jan-
03
Jan-
04
Jan-
05
Jan-
06
Jan-
07
Jan-
08
Jan-
09
Jan-
10
Jan-
11
Jan-
12
Jan-
13
Jan-
14
Activ
ity (p
Ci/L
)
Well I-68 Radium-228 Dissolved
LegendResult plus 2 Sigma Note: Early non-detect results with elevated MDAs not shown.Radium Result Linear regression trend lineResult minus 2 Sigma R2 - linear regression line correlation coefficient
Well D-6 Radium ResultsWest Lake Landfill OU-1 RI Addendum
Engineering Management Support, Inc.EMSI
Figure 7-9
R² = 0.1728
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Jan-
96
Jan-
97
Jan-
98
Jan-
99
Jan-
00
Jan-
01
Jan-
02
Jan-
03
Jan-
04
Jan-
05
Jan-
06
Jan-
07
Jan-
08
Jan-
09
Jan-
10
Jan-
11
Jan-
12
Jan-
13
Jan-
14
Activ
ity (p
Ci/L
)
Well D-6 Radium-226 Dissolved
R² = 0.3669
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0Ac
tivity
(pCi
/L)
Well D-6 Radium-226 Total
R² = 0.0002
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
Jan-
96
Jan-
97
Jan-
98
Jan-
99
Jan-
00
Jan-
01
Jan-
02
Jan-
03
Jan-
04
Jan-
05
Jan-
06
Jan-
07
Jan-
08
Jan-
09
Jan-
10
Jan-
11
Jan-
12
Jan-
13
Jan-
14
Activ
ity (p
Ci/L
)
Well D-6 Radium-228 Total
R² = 0.1143
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
Jan-
96
Jan-
97
Jan-
98
Jan-
99
Jan-
00
Jan-
01
Jan-
02
Jan-
03
Jan-
04
Jan-
05
Jan-
06
Jan-
07
Jan-
08
Jan-
09
Jan-
10
Jan-
11
Jan-
12
Jan-
13
Jan-
14
Activ
ity )p
Ci/L
)
Well D-6 Radium-228 Dissolved
LegendResult plus 2 Sigma Note: Early non-detect results with elevated MDAs not shown.Radium Result Linear regression trend lineResult minus 2 Sigma R2 - linear regression line correlation coefficient
Well D-93 Radium ResultsWest Lake Landfill OU-1 RI Addendum
Engineering Management Support, Inc.EMSI
Figure 7-10
R² = 0.383
0.00.51.01.52.02.53.03.54.04.55.0
Jan-
96
Jan-
97
Jan-
98
Jan-
99
Jan-
00
Jan-
01
Jan-
02
Jan-
03
Jan-
04
Jan-
05
Jan-
06
Jan-
07
Jan-
08
Jan-
09
Jan-
10
Jan-
11
Jan-
12
Jan-
13
Jan-
14
Activ
ity (p
Ci/L
)Well D-93 Radium-226 Total
R² = 0.5769
0.00.51.01.52.02.53.03.54.04.55.0
Jan-
96
Jan-
97
Jan-
98
Jan-
99
Jan-
00
Jan-
01
Jan-
02
Jan-
03
Jan-
04
Jan-
05
Jan-
06
Jan-
07
Jan-
08
Jan-
09
Jan-
10
Jan-
11
Jan-
12
Jan-
13
Jan-
14
Activ
ity (p
CI/L
)
Well D-93 Radium-226 Dissolved
R² = 0.0468
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
Jan-
96
Jan-
97
Jan-
98
Jan-
99
Jan-
00
Jan-
01
Jan-
02
Jan-
03
Jan-
04
Jan-
05
Jan-
06
Jan-
07
Jan-
08
Jan-
09
Jan-
10
Jan-
11
Jan-
12
Jan-
13
Jan-
14
Activ
ity (p
Ci/L
)
Well D-93 Radium - 228 Total
R² = 0.3072
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
Jan-
96
Jan-
97
Jan-
98
Jan-
99
Jan-
00
Jan-
01
Jan-
02
Jan-
03
Jan-
04
Jan-
05
Jan-
06
Jan-
07
Jan-
08
Jan-
09
Jan-
10
Jan-
11
Jan-
12
Jan-
13
Jan-
14
Activ
ity (p
Ci/L
)
Well D-93 Radium-228 Dissolved
LegendResult plus 2 Sigma Note: Early non-detect results with elevated MDAs not shown.Radium Result Linear regression trend lineResult minus 2 Sigma R2 - linear regression line correlation coefficient
Well I-9 Radium ResultsWest Lake Landfill OU-1 RI Addendum
Engineering Management Support, Inc.EMSI
Figure 7-11
R² = 0.3535
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5Ja
n-96
Jan-
97
Jan-
98
Jan-
99
Jan-
00
Jan-
01
Jan-
02
Jan-
03
Jan-
04
Jan-
05
Jan-
06
Jan-
07
Jan-
08
Jan-
09
Jan-
10
Jan-
11
Jan-
12
Jan-
13
Jan-
14
Activ
ity (p
Ci/L
)Well I-9 Radium-226 Total
R² = 0.0527
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
Jan-
96
Jan-
97
Jan-
98
Jan-
99
Jan-
00
Jan-
01
Jan-
02
Jan-
03
Jan-
04
Jan-
05
Jan-
06
Jan-
07
Jan-
08
Jan-
09
Jan-
10
Jan-
11
Jan-
12
Jan-
13
Jan-
14
Activ
ity (p
Ci/L
)
Well I-9 Radium-226 Dissolved
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
Jan-
96
Jan-
97
Jan-
98
Jan-
99
Jan-
00
Jan-
01
Jan-
02
Jan-
03
Jan-
04
Jan-
05
Jan-
06
Jan-
07
Jan-
08
Jan-
09
Jan-
10
Jan-
11
Jan-
12
Jan-
13
Jan-
14
Activ
ity (p
Ci/L
)
Well I-9 Radium-228 Total
R² = 0.0458
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
Jan-
96
Jan-
97
Jan-
98
Jan-
99
Jan-
00
Jan-
01
Jan-
02
Jan-
03
Jan-
04
Jan-
05
Jan-
06
Jan-
07
Jan-
08
Jan-
09
Jan-
10
Jan-
11
Jan-
12
Jan-
13
Jan-
14
Activ
ity (p
Ci/L
)
Well I-9 Radium-228 Dissolved
LegendResult plus 2 Sigma Note: Early non-detect results with elevated MDAs not shown.Radium Result Linear regression trend lineResult minus 2 Sigma R2 - linear regression line correlation coefficient
Well S-82 Radium ResultsWest Lake Landfill OU-1 RI Addendum
Engineering Management Support, Inc.EMSI
Figure 7-12
R² = 0.1534
0.00.51.01.52.02.53.03.54.04.5
Activ
ity (p
Ci/L
)Well S-82 Radium-226 Total
R² = 0.1397
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
Activ
ity (p
CI/L
)
Well S-82 Radium-226 Dissolved
R² = 0.1052
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
Jan-
96
Jan-
97
Jan-
98
Jan-
99
Jan-
00
Jan-
01
Jan-
02
Jan-
03
Jan-
04
Jan-
05
Jan-
06
Jan-
07
Jan-
08
Jan-
09
Jan-
10
Jan-
11
Jan-
12
Jan-
13
Jan-
14
Activ
ity (p
Ci/L
)
Well S-82 Radium-228 Total
R² = 0.1557
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
Jan-
96
Jan-
97
Jan-
98
Jan-
99
Jan-
00
Jan-
01
Jan-
02
Jan-
03
Jan-
04
Jan-
05
Jan-
06
Jan-
07
Jan-
08
Jan-
09
Jan-
10
Jan-
11
Jan-
12
Jan-
13
Jan-
14
Activ
ity (p
Ci/L
)
Well S-82 Radium-228 Dissolved
B
U
F
F
E
R
Z
O
N
E
MW-1204
PZ-100-KS
PZ-100-SD
PZ-100-SS
PZ-101-SS
PZ-102R-SS
PZ-102-SS
PZ-103-SS
PZ-104-KS
PZ-104-SD
PZ-104-SS
PZ-105-SS
PZ-106-KS
PZ-106-SD
PZ-106-SS
PZ-107-SS
PZ-109-SS
PZ-115-SS
PZ-116-SS
PZ-200-SS
PZ-201A-SS
PZ-202-SS
PZ-203-SS
PZ-204A-SS
PZ-204-SS
PZ-205-SS
PZ-206-SS
PZ-208-SS
E
D
G
E
O
F
A
L
L
U
V
I
U
M
STORMWATER
RETENTION
BASIN
PZ-212-SD
PZ-212-SS
PZ-209-SD
PZ-209-SS
PZ-211-SD
PZ-210-SS
PZ-210-SD
OU-2
CLOSED
DEMOLITION
LANDFILL
OU-2
INACTIVE
SANITARY
LANDFILL
NORTH
QUARRY
PORTION
OF
BRIDGETON
LANDFILL
REPUBLIC
SERVICES
AREA
OFFICE
SOUTH
QUARRY
PORTION
OF
BRIDGETON
LANDFILL
ASPHALT
PLANT
OU-2
ON-SITE
SOIL
BORROW
STOCKPILE
AREA
SITE
ACCESS
ROAD
AREA 2
AREA 1
REFUSE
COLLECTION
VEHICLE PARKING
AND REPAIR
D-12
D-13
D-14
D-3
D-6
D-81
D-83
D-85
D-87
D-93
I-11
I-4
I-62
I-65
I-66
I-67
I-68
I-73
I-9
LR-100
LR-103
LR-104
LR-105
MW-102
MW-103
MW-104
PZ-112-AS
PZ-113-AD
PZ-113-AS
PZ-114-AS
PZ-205-AS
PZ-207-AS
PZ-302-AI
PZ-302-AS
PZ-303-AS
PZ-304-AI
PZ-304-AS
PZ-305-AI
S-10
S-5
S-53
S-84
S-8
S-82
S-61
PZ-113-SS
PZ-111-SD
PZ-110-SS
PZ-111-KS
PZ-211-SS
LOT 2A2
NORTH
5000 250
SCALE IN FEET
NOTES:
1. Horizontal Coordinates Based on State Plane Missouri East Zone NAD 27
2. Elevations Based on U.S.G.S. Datum.
3. Existing Grade Contours are from the Aerial Survey Completed by
the Sanborn Mapping Company on July 20, 2011.
4. Base Map Prepared by Aquaterra Environmental Solutions, Inc.
Paved Road
Unpaved Road
OU-1 Area Boundary
Alluvial Intermediate Well
St. Louis Formation Well
Salem Formation Well
Keokuk Formation Well
I or AI:
SS:
SD:
KS:
Alluvial Shallow WellS or AS:
Undifferentiated LR or MW:
WELL FORMATION DESIGNATIONS
Alluvial Deep WellD or AD:
LEGEND
Combined Total Thorium-230 + 232
in Groundwater,
August 2012 Through February 2014
URANIUM EXPLANATION
Total Thorium-230 + 232 less than15 pCi/L
[the Gross Alpha MCL]
(all sampling dates)
Total Thorium-230 + 232 less than15 pCi/L
[the Gross Alpha MCL]
(at least one sampling date but not all sampling dates)