Gelman Sciences, Inc - 3rd Quarterly Report for Deep Plume ......design. build. operate. 1,4 dioxane isoconcentration map unit e (april 2018 - september 2018) - unit e 1,4-dioxane
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21
(2)
ARGO DAM
ARTESIAN WELL AREA
LITTLE
LAKE
FORMER
POND II
SECOND
SISTER
LAKE
THIRD
SISTER
LAKE
FIRST
SISTER
LAKE
I-9
4
Allen C
reek D
rain
RiverHuron
Rive
r
Hur
on
RED
GREEN
POND
POND
S
R
-
1
4
SR-14
T R I B U T A R Y
H O
N E
Y
C
R
E
E
K
I
-
9
4
CARETAKER'S
CABIN AREA
<1
<1
<1
<1
<1
(<1)
<1
14
79
(<1)
200
110
<1
1.3
240
<1
2600
340
280
54
(<1)
190
460
(470)
5.8
320
(1.7)
<1
1000
780
380
650
7.9
(3.3)
(320)
530
2
<1
680
16
<1
1.7
240
130
(100)
370
270
(250)
30
76
28
<1
8.3
<1
42
<1
390
<1
210
<1
23
13
<1
<1
<1
<1
<1
<1
<1
(<1)
11
(<1)
<1
<1
<1
<1
1.8
<1
<1
<1
Former Gelman Property Area
(560)
<1
DEEPER MIGRATION
(MERGES WITH
SHALLOWER D
PLUME TO EAST)
85
500
250
1
0
0
0
5
0
0
1
0
0
0
(470)
2
5
0
2
5
0
2
5
0
85
85
8
5
8
5
8
5
5
0
0
500
5
0
0
250
8
5
85
5
0
0
2
0
0
0
2
5
0
(190)
250
1
0
0
0
1
0
0
0
NOTES:
THE DATA SHOWN IS FROM SAMPLE PERIOD 04/2018 - 09/2018.
MAP COMBINES DATA FROM WELLS COMPLETED AT MULTIPLE
DEPTHS. INTERPRETATION OF THIS MAP REQUIRES FAMILIARITY
WITH THE GEOLOGY AND THE GROUNDWATER FLOW REGIME.
GE
LM
AN
S
CIE
NC
ES
Scio T
wp., W
ashtenaw
C
ounty, M
ichigan
PROJECT
806500
SHEET NO.
CAD FILE
EDIT
SCALE
DRAWING
PROJECT MGR. DATE
DRAWN BY DATE
GEOLOGIST DATE
DESIGN. BUILD. OPERATE.
1,4 D
IO
XA
NE
IS
OC
ON
CE
NT
RA
TIO
N M
AP
U
NIT
E
(A
PR
IL 2018 - S
EP
TE
MB
ER
2018)
- UNIT E 1,4-DIOXANE ISOCONCENTRATION CONTOUR (µg/L)
- UNIT D
2
1,4-DIOXANE ISOCONCENTRATION CONTOUR (µg/L)
- 1,4-DIOXANE CONCENTRATION (µg/L)
- DATA NOT USED
- PROHIBITION ZONE (PZ) BOUNDARY
- COMPLIANCE MONITOR WELL
- LITTLE LAKE AREA COMPLIANCE MONITOR WELL
ISO
LEGEND
- MONITOR WELL
- EXTRACTION WELL
- UNIT E EXTRACTION WELL OPERATING DURING SAMPLING