Remediation Results and Land Use Change

Transcription

Planned Upcoming Field Activities
2013 Field Construction Season
Eastern Early Transfer Parcel
Mare Island, Vallejo, California
Presented to
Mare Island Restoration Advisory Board
March 28, 2013
Discussion Topics
• Field Activities – Known Condition Sites
 IA K Sediments Underlying a Portion of IR03 Area
 IWPS4 / T-2 OWS Investigation / Remediation
 IR21 and Building 386/388/390 Area
Storm Sewer Investigation / Remediation
 IR03, IWPS4 / T-2 OWS and IR15
Groundwater Monitoring
 Underground Storage Tank (UST) 243 – Soil Gas
Survey
2
Discussion Topics (Continued)
• Field Activities – Unknown Condition
Sites
 Building 637 Area Remediation
 Building 688 PCB Site UL#01
Characterization / Remediation
 Building 742 PCB Sites UL#03 through UL#06
• Field Activities – Voluntary Sites
 Building 781 PCB Site AL#01
Remediation / Demolition
• Questions
3
Known Conditions Site - IA K Sediments
Underlying a Portion of IR03
4
Field Activities – Known Condition Site
IA K Sediments Underlying a Portion of
IR03
• Characterization – Lateral and
Vertical Extent Assessment
 Petroleum Hydrocarbons
 Between Quay Wall to Edge of Wharf
 Multiple Soil Boring / Sampling Locations
5
N
MA
SE
W I AVE
785
MARE ISLAND VICINITY MAP
VALLEJO
IR03 FOPL
SOURCE AREA
A3
Z
C1
B.1
B.2-2
4
I1/
5
98
B.2-1
IR03GB0227
(8.0, 9.5)
IR03GB0220
(9.0)
Z
GRAB SAMPLE
HAND-AUGERED BORING SAMPLE
}
FENCE
INDUSTRIAL WASTEWATER PIPELINE
ABANDONED FOPL SEGMENT
FLUSHED FOPL SEGMENT
FOPL SEGMENT NOT FOUND
<
<
Z
REMOVED FOPL SEGMENT
IR03CSB0571
(9.0)
PREVIOUSLY UNIDENTIFIED FOPL SEGMENT
SUBSURFACE 6-INCH WOOD DECKING
TR3
2009 EXPLORATORY TRENCH
Z
2009 POTHOLE
<
<
IR03CSB0569
(11.0)
/B
/6
I1
IR03CSB0570
(11.0)
&B
3A
47
TR8
IR03GB0232
(8.0, 9.5)
TR9
GEOPROBE SAMPLE
RAILROAD
FINAL 2009 SOIL REMOVAL AREA
IR03GB0231
(8.0, 9.5)
TR7
IT
RA
ST
Z
E8
3B
/B E
71
4
I1/
B4
<<
TR6
ND
LA
<<
3
92
4/
I1/
TR4
TR16
ARMY
CONCRETE RETAINING WALL (QUAY WALL)
IR03GB0219
(9.0)
IR03CSB0568
(9.0)
I1/6/B473A&B
<
<<
7
47
}
Z
IR03CSB0567
(11.0)
TR15
D1.2
BEGINNING AND END OF FOPL SEGMENT
IR03CSB0566
(9.0)
TR12
0
Z
IR03CSB0564
(9.0)
6/B
I1/
Z
IR03GB0218
(8.5)
IR03CSB0562
(9.0)
&B
3A
47
LO
AB
NP Y
SA BA
Z
C3
D1.1
LEGEND
IR03CSB0565
(11.0)
IR03GB0217
(9.0)
TR14
04
IR03CSB0563
(11.0)
IR03GB0215
(9.0)
IR03GB0216
(9.0)
&B
3A
69
B
/
6
I1/
D1.3
H
RT
BE
K
IN
YL CE
BA FFI
O
Z
IR03GB0229
(8.0, 9.5)
C3
C2
D1.2
D2
NT
RO
RF
TE VE
A
Z
D1.2
IS
E8
3B
/B E
H2
D1.3
SCHOOL
WA
IR03GB0228
(8.0, 9.5)
E
AR
M
7
47
4/B
I1/
STRUCTURE
ROAD
TR2
Z
TR1
NOTE:
SAMPLE DEPTHS NOTED FOR EACH LOCATION
(e.g., 8.0, 8.5, 9.0, 9.5, or 11.0 FEET BGS)
TR10
TR11
5
51
I1/
&B
3A
69
B
6/
TR13
0
TR17
Feet
TR18
289
1.5
I1/
/B
9
28
\\BALDUR\PROJ\MARE_ISLAND_264204\MXDS\SCR_FOPL\B_C1\IRA\IR03\FIG3-3_FOPL_SOURCE_IR03_SAMP_LOCS.MXD ECLARK1 1/4/2011 14:34:34
IR03GB0230
(8.0, 9.5)
30
Z
³
FIGURE 3-3
2009 INTERIM REMOVAL ACTION
SAMPLING LOCATIONS BELOW
SUBSURFACE WOOD DECKING
IMPLEMENTATION REPORT FOR IR03 INTERIM
REMOVAL ACTION, FUEL-OIL PIPELINE SOURCE
AREA IN INVESTIGATION AREA C1,
LENNAR MARE ISLAND, VALLEJO, CALIFORNIA
VALLEJO
FOPL SOURCE AREA AT IR03
A3
B.2-1
E
AR
M
B.2-2
H2
D1.2
IS
N
SA
BL
PA
D1.3
Y
BA
}
K
}
C3
D1.1
O
}
C3
C2
D1.2
D2
D1.2
CE
FI
OF
}
}
}
}
4
I1/
/
HAND-AUGERED BORING SAMPLE
}
FENCE
FINAL 2009 SOIL REMOVAL AREA
STRUCTURE
ROAD
H0
RT
BE
IR03GB0225 (09)
8,900= (8.0) D
1,000= (8.0) M
0
GEOPROBE SAMPLE
RAILROAD
T
}
Z
0
I
RA
}
}
71
B4
IR03GB0223 (09)
1,100= (8.0) D
310= (8.0) M
2,200= (9.0) D
91J (9.0) M
110= (10.0) D
13J (10.0) M
ST
}
}
0
}
D
AN
SL
}
}
LEGEND
}
}
}
}
}
}
}
}
}
}
}
EI
0
ARMY
}
R
MA
IR03GB0224 (09)
7,500= (8.0) D
1,300= (8.0) M
380= (9.0) D
}
91= (9.0) M } }
}
3,000= (10.0)
D
}
690= }(10.0) M
IT
RA
ST
D1.3
SCHOOL
ND
LA
E8
3B
/B E
Z
C1
B.1
4
I1/
IN
YL
BA
IR03GB0226 (09)
5,900= (7.5) D
4,700= (7.5) M
940= (8.0) D
170= (8.0) M
51= (9.0) D
42= (9.0) M
4,500J (9.5) D
12,000= (9.5) M
WATER
4
Z
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
N
RO
RF
TE VE
WA A
R
8
BE
E3
}
6/
I1/
B
A&
73
4
B
/B
}
}
}
}
4
I1/
}
}
}
IR03GB0222 (09)
13,000= (7.5) D
3,700= (7.5) M
8,200= (8.0) D
1000= (8.0) M
13,000= (9.0) D
12,000= (9.0) M
530= (9.5) D
170= (9.5) M
NOTES:
1. "<" = NOT DETECTED AT OR ABOVE THE
INDICATED CONCENTRATION
2. "=" = ANALYTE WAS DETECTED
3. "J" = ESTIMATED DETECTED RESULT
4. RED LABEL = EXCEEDS TIER 2 SCREENING
LEVEL IN SOIL
}
}
}
}
T
SAMPLE LOCATION ID
SOIL CONCENTRATION (mg/kg)
SAMPLE BEGINNING DEPTH (FEET BGS)
SAMPLE COLLECTION YEAR
IR14VB219 (93)
86FJ (2.8)
}
}
}
}
}
}
}
IR03GB0221 (09)
4,300= (7.5) D
4,500= (7.5) M
240= (8.0) D
190= (8.0) M
500= (9.0) D
540= (9.0) M
20J (10.0) D
38= (10.0) M
}
}
}
}
}
}
}
}
}
}
}
}
Z
TIER 2 SCREENING LEVELS IN 5SOIL
51
Analyte (Abbreviation)
Within 300 Fe et From a
Potential Aquatic Habitat
TPH-DIESEL (D)
YES
2,100
TPH-MOTOR-OIL (M)
YES
5,000
Screening Level
Note: Tier 2 screening level for so il for sites lo cated less than 300 feet from a sensitive recepto r (CH2M HILL
2009)
\\BALDUR\PROJ\MARE_ISLAND_264204\MXDS\SCR_FOPL\B_C1\IRA\IR03\FIG4-3_FOPL_SOURCE_IR03_EAST_QUAY.MXD ECLARK1 3/24/2010 13:36:01
P
DO
TA
IN
ST
0
20
Feet
³
FIGURE 4-3
SEDIMENT SAMPLE LOCATIONS AND
RESULTS EAST OF QUAY WALL
IMPLEMENTATION REPORT FOR IR03 INTERIM
REMOVAL ACTION, FUEL-OIL PIPELINE SOURCE
AREA IN INVESTIGATION AREA C1,
LENNAR MARE ISLAND VALLEJO, CALIFORNIA
Field Activities – Known Condition Sites
Industrial Pump Station 4 / T-2 Oil-Water
Separator (IWPS4 / T-2 OWS)
8
Industrial Pump Station 4 / T-2 Oil-Water
Separator (IWPS4 / T-2 OWS)
• Investigation – Multi-Media
Sampling and Analysis
 Petroleum Hydrocarbons and Chlorinated Volatile
Organic Compounds (CVOCs)
 Potential Multiple Sources
 Multiple Soil Boring / Sampling Locations – Soil,
Soil-Gas and Groundwater
 Install Additional Groundwater Monitoring Wells
and Integrate Into Groundwater Monitoring
Program
 Develop and Implement Remediation Plan
9
A3
BA
D1.1
!
A
!
A
D
IS
A
EM
N
E
AV
5
78
T2MW0102
601 (4/10)
397 (5/10)
598 (7/10)
482 (11/10)
396 (4/11)
318 (7/11)
457 (10/11)
670 (1/12)
940Y (6/12)
1000 (8/12)
660 (12/12)
!
A
OIL/WATER SEPARATOR T-2 !
C
!
(
7
45
!
IWPS No. 4 !
!
A
!
A
M
!
(
!
(
UNK R:\REMEDYLMI20000895\MAPFILES\IWPS4_T2\Q4\FIG4-2_IWPS4_TPHD_Q4.MXD ECLARK 1/11/2013 11:55:34 AM
BACKBONE SEWER PIPELINE
OTHER WATER PIPELINE
GAS PIPELINE
!
A
D
STORMWATER BACKBONE
STORMWATER SERVICE LINE
MARE ISLAND 1859 BOUNDARY
FORMER IWPS 4
2009 IR03 FUEL-OIL PIPELINE SOURCE
AREA EXCAVATION TO 8 TO 10 FEET BGS
EASTERN EARLY TRANSFER PARCEL
STRUCTURE
ROAD
IR03MW0200D
399J (4/10)
481 (5/10)
553 (7/10)
328 (11/10)
576 (2/11)
731 (4/11)
862 (5/11)
223 (7/11)
577 (10/11)
625 (1/12)
790J (6/12)
710 (8/12)
500 (12/12)
2005 IWPS 4 EXCAVATION (DEPTH IN FEET)
0 TO 5
5 TO 10
10 TO 15
15 TO 20
20
C
!
(
300-FOOT ENVIRONMENTAL SCREENING LEVEL BUFFER
0
BEGIN BUFFER
END BUFFER
15
Feet
NOTE:
4. “Y” = FUEL PATTERN (TPH ONLY)
5. GREEN LABEL D3
= EXCEEDS TPH-DIESEL
TIER 2 SCREENING LEVEL OF 640 µg/L
SAMPLE LOCATION
GROUNDWATER CONCENTRATION (µg/L)
D1
D6
SAMPLE COLLECTION (MONTH/YEAR)
3
47
D4
D5
30
$
FIGURE 4-2
IWPS 4 AND OWS T-2 TPH-DIESEL
CONCENTRATIONS IN GROUNDWATER
D2
C
!
(
C
UNDERGROUND ELECTRICAL UTILITY
IR03MW0200S
1,310 (3/11)
1,240 (5/11)
1,700 (10/11)
4,510 (1/12)
C
!
(
!
A
3
92
APPROXIMATE
GROUNDWATER
FLOW DIRECTION
03W07
544 (2/10)
449 (5/10)
582 (4/11)
630Y (6/12)
FENCE
INDUSTRIAL WASTEWATER PIPELINE (IR14)
1
47
,
!
A
STORM SEWER MANHOLE
INVESTIGATION AREA
3
92
C
!
(
IWPS4MW0102
1,290 (2/10)
1,600 (4/10)
1,680 (4/11)
1,510 (7/11)
1,530 (10/11)
1,500 (1/12)
2,100 (6/12)
2,500 (8/12)
1,900 (12/12)
}
STORM SEWER CATCHBASIN
RAILROAD
7
47
C
!
(
IWPS4MW0100
2,060 (2/10)
2,560 (4/10)
2,280 (4/11)
2,060 (7/11)
2,200 (10/11)
2,500 (1/12)
3,200 (6/12)
4,000 (8/12)
1,500 (12/12)
}
IWPS4 AND OWS T-2 DOWNGRADIENT
MONITORING WELL
SALTWATER PIPELINE
K
IN
YL CE
BA FFI
O
!
A
C
!
(
M
!
(
!
A
+
D
!
A
+
D
T2MW0100
777 (2/10)
942 (5/10)
1,170 (7/10)
1,250 (11/10)
1,250 (4/11)
1,090 (7/11)
1,490 (10/11)
2,230 (1/12)
1,300 (6/12)
2,800 (8/12)
1,100 (12/12)
M
!
(
IR03 QUARTERLY MONITORING LOCATION
SEWER SERVICE LINE
5
98
IWPS4MW0105
550 (2/10)
390 (5/10)
485 (4/11)
1,100Y (6/12)
+
E
AV
NT
RO
RF
TE
W
T2MW0101
213 (2/10)
179 (5/10) M
!
(
286 (7/10)
257 (11/10)
375 (4/11)
303 (7/11)
401 (10/11)
459 (1/12)
460Y (6/12)
700 (8/12)
370 (12/12)
IWPS4 AND OWS T-2 QUARTERLY MONITORING LOCATION
WA
Y
ARMY
03W19
223 (2/10)
343 (5/10)
409 (7/10)
375 (11/10)
360 (4/11)
353 (7/11)
457 (10/11)
351 (1/12)
770Y (6/12)
980 (8/12)
610 (12/12)
!
H
LO
D1.3
MONITORING WELL
D
IT
RA
ST
B
PA
C2
C1
N
SA
C3
D2
M
!
(
IA
SCHOOL
T
.2
D1
H2
T2MW0104
152 (6/10)
217 (7/10)
207J (11/10)
243 (4/11)
640 (7/11)
241 (10/11)
311 (1/12)
320Y (6/12)
360 (8/12)
250 (12/12)
A
H
B.2-2
I
RA
ST
C
!
(
ND
LA
IS
B.2-1 C1
B.1
M
!
(
!
A
D
D
AN
SL
RE
MA
T2MW0103
183 (6/10)
584 (7/10)
405J (11/10)
748 (4/11)
730 (7/11)
622 (10/11)
669 (1/12)
750Y (6/12)
930 (8/12)
760 (12/12)
LEGEND
I
RE
MA
VA L L E J O
AST
VICINITY MAP
IR14VB219
<4.8 (6/99)
515
FOURTH QUARTER/ANNUAL 2012 GROUNDWATER
MONITORING RESULTS,
INDUSTRIAL WASTEWATER PUMP STATION 4 AND
OIL/WATER SEPARATOR T-2, INVESTIGATION AREA C1,
BA
D1.1
W
IS
A
EM
N
E
AV
7
45
!
IWPS No. 4 !
!
A
!
A
M
!
(
T2MW0102
<0.19 (4/10)
<0.094 (5/10)
<0.19 (7/10)
0.23J (11/10)
<0.10 (4/11)
0.32J (7/11)
<0.070 (10/11)
<0.20 (1/12)
0.20J (6/12)
0.50 (8/12)
0.50 (12/12)
UNK R:\REMEDYLMI20000895\MAPFILES\IWPS4_T2\Q4\FIG4-7_IWPS4_VC_Q4.MXD ECLARK 1/10/2013 11:28:30 PM
}
}
STORM SEWER MANHOLE
FENCE
GAS PIPELINE
SALTWATER PIPELINE
C
!
(
!
A
D
IR03MW0200S
9.7 (7/11)
5.9 (10/11)
2.0 (1/12)
STORMWATER BACKBONE
FORMER IWPS 4
!
A
+
D
!
A
+
D
STRUCTURE
ROAD
!
A
IR03MW0200D
1.1 (7/10)
3.4 (11/10)
10 (4/11)
10.9 (7/11)
3.2 (10/11)
2.3 (1/12)
1.2 (6/12)
7.6 (8/12)
0.90 (12/12)
0 TO 5
5 TO 10
10 TO 15
15 TO 20
20
C
!
(
BEGIN BUFFER
0
END BUFFER
15
Feet
NOTE:
4. GREEN LABEL = EXCEEDS VINYL CHLORIDE
D3 LEVEL OF 590 µg/L
TIER 2 SCREENING
C
!
(
D2
SAMPLE LOCATION
GROUNDWATER CONCENTRATION (µg/L)
D1
D6
3
92
APPROXIMATE
GROUNDWATER
FLOW DIRECTION
C
!
(
M
!
(
3
47
D5
D4
1
47
,
03W07
18.7 (2/10)
26.4 (5/10)
14.6 (4/11)
17.0 (6/12)
IWPS4 AND OWS T-2 DOWNGRADIENT
MONITORING WELL
INVESTIGATION AREA
3
92
C
!
(
IWPS4MW0102
395 (2/10)
455 (4/10)
533 (4/11)
631 (7/11)
591 (10/11)
478 (1/12)
380 (6/12)
460 (8/12)
C
!
(
590 (12/12)
!
A
D
RAILROAD
7
47
C
!
(
IWPS4MW0100
385J (2/10)
397 (4/10)
373 (4/11)
453 (7/11)
389 (10/11)
373 (1/12)
330 (6/12)
300 (8/12)
230 (12/12)
SEWER SERVICE LINE
K
IN
YL CE
BA FFI
O
!
A
+
5
78
T2MW0100
8.2J (2/10)
117 (5/10)
156 (7/10)
27.9J (11/10)
1,420 (4/11)
12.2 (7/11)
168 (10/11)
268 (1/12)
140 (6/12)
530 (8/12)
15.0 (12/12)
M
!
(
IWPS4MW0105
3.1 (2/10)
5.6 (5/10)
2.9 (4/11)
2.9 (6/12)
E
AV
NT
RO
RF
TE
!
A
D
C
!
(
5
98
!
WA
Y
ARMY
MONITORING WELL
H
LO
T2MW0103
3.0 (6/10)
13.7 (7/10)
!
A
10.7 (11/10)
11.1 (4/11)
13.4 (7/11)
8.5 (10/11)
7.9 (1/12)
M
11.0 (6/12) T2MW0101!
(
64.2 (2/10)
15.0 (8/12)
55.1 (5/10)
9.3 (12/12)
78.2 (7/10)
!
A
83.9 (11/10)
61.8 (4/11)
72.5 (7/11)
69.1 (10/11)
69.0 (1/12)
70.0 (6/12)
96.0 (8/12)
57.0 (12/12)
C1
B
PA
D1.3
C2
IA
N
SA
C3
D2
IT
RA
ST
T
SCHOOL
.2
D1
H2
I
RA
ST
B.2-2
C
!
(
ND
LA
IS
B.2-1 C1
D
AN
SL
RE
MA
B.1
03W19
M
!
(
0.87J (2/10)
<0.94 (5/10)
<1.9 (7/10)
M (11/10)
2.4J
!
(
<0.91 (4/11)
<0.91 (7/11)
1.6J (10/11)
<2.0 (1/12)
<5.0 (6/12)
14.0J (8/12)
<3.0 (12/12)
!
A
D
A
H
A3
LEGEND
AST
VA L L E J O
I
RE
MA
T2MW0104
4.6 (6/10)
4.4 (7/10)
4.9 (11/10)
3.9 (4/11)
4.2 (7/11)
3.4 (10/11)
4.6 (1/12)
4.2 (6/12)
5.0 (8/12)
5.0 (12/12)
VICINITY MAP
30
$
FIGURE 4-7
IWPS 4 AND OWS T-2 VINYL CHLORIDE
CONCENTRATIONS IN GROUNDWATER
IR14VB219
<4.8 (6/99)
515
MONITORING RESULTS,
Known Condition Sites
Installation Restoration Program Site (IR) 21
and Building 386/388/390 Area Storm Sewers
12
IR 21 and Building 386/388/390 Area Storm
Sewers
• Investigation –
 Petroleum Hydrocarbons and Polynuclear
Aromatic Hydrocarbons (PAHs)
 Advance Soil Borings
 Install and Monitoring Additional Groundwater
Wells
 Develop and Implement Remediation Plan
13
MH
!
(
*
}
Z Z
}
H
C
//
C
C
) C C CC F
C
)
H
H
H
H
C
LEGEND
H
H
<
H
H
H
H
H
H
H
H
!!
H
H
H
G
C
F
(
B388W01
C!
!
=C
C!
=
!
IR21MH7H }
=
C
!
=
!
=
H H
!
==
C
INSET
2
}
<100
(5/99)
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750 D
NOTES:
INSET 2
430J (10/08) M
1. < = NOT DETECTED AT OR ABOVE THE
Z
Z
H
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C
Z*
(
INSET 1
IR19CB6 !
C
IR21CB1
D
180= (2/09) D
*
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(
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386
C Z
2. = = ANALYTE WAS DETECTED
Z
M
!
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=
500J (2/09) M
!
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A
!
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3. J = ESTIMATED DETECTED RESULT
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!
=
=
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!
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4. Y = FUEL PATTERN (TPH ONLY)
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M
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M
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5.
ONLY)
H
Z
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!
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TIER 2 INDUSTRIAL
!
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=!
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Y
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=
*
Z
*
H
LEVELS FOR GROUNDWATER
A
Z
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290J (9/09) M
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H
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Z
C
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RED
LABEL
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=
EXCEEDS
TIER
2
INDUSTRIAL
Z
(
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IR21GB0107 (02)
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SCREENING LEVELS FOR SOIL
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(
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950= (1.0) M Y
9. STORMWATER FLOW DIRECTIONS ARE BASED ON
(
!
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FIELD OBSERVATIONS
H
B382GB001 (98) Z
Z
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170JZ(2/10) M
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340=
(1.5)
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10. THE INFERRED CONFIGURATION IN INSET 1 IS BASED
0 <1.6 (2.0) D
Z
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ON FIELD OBSERVATIONS
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8
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Z
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Z
H
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M
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}
\\BALDUR\PROJ\MARE_ISLAND_264204\MXDS\STORM_SEWER\TWOIMP\FIG3-2_STORM_IR21_SGW_TIER2_TPH.MXD ECLARK1 1/13/2011 16:03:29
!
(!
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(
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H
}
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H
H
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UNKNOWN FUEL-OIL PIPELINE
H
H
H
}
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H
H
H
H
}
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}
}
}
}
}
}
}
}
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}
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C
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5,000
H
5,000
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H
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!
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!
( H*!
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2,500
}
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1338
7,300= (5.5) D
8,200= (5.5) M
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}
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=
H
≤3
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500
C
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(
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MH
Level
(
(m g/kg)
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}
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!
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H
!
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H
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REMOVED FUEL-OIL PIPELINE
SALTWATER PIPELINE
STEAM PIPELINE
}
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FENCE
H
}
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FUEL-OIL PIPELINE NOT FOUND
H
}
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FLUSHED FUEL-OIL PIPELINE
H
}
}
H
}
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H
}
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ABANDONED FUEL-OIL PIPELINE
H
H
EXISTING FRESHWATER PIPELINE
H
H
}
EXISTING DREDGE PIPELINE
H
H
COMPRESSED AIR PIPELINE
H
H
AIR PIPELINE
H
H
}
H
}
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H
H
H
H
}
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H
}
H
}
H
H
H
STORMWATER FLOW DIRECTION
GAS PIPELINE
H
H
SECTION OF BOTTOM OF
STORM SEWER PIPELINE MISSING
SEWER SERVICE LINE
H
H
TWO 1-INCH-DIAMETER LIVE
ELECTRICAL CABLE OBSERVED
!
H
H
}
}
H
<H
H
NOT VISIBLE DURING 2009 SITE VISIT
H
}
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CLEANED IN 2009
H
}
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H
M
D
So urce: CH2M HILL 2009a
So urce:}CH2M HILL 2009a
CLEANED IN 2001
H
H
}
STORM SEWER MANHOLE
STORM SEWER SERVICE LINE
H
!
H
H
M
Screening
≤3
H
NO
H
(
!!
(
CHC
Depth (feet)
}
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STORM SEWER BACKBONE
H
}
H
H
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H
!
(
M
H!
(
NO C
H
}
<
H
}
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H
INDUSTRIAL
H
LO
BINDUSTRIAL
H PA H !
M H
(
H
N
A
S
UNDERGROUND STORAGE TANK
H
H
H
TPH-MOTOR-OIL (M)
H
H
!!
!!
!
<
<<
<<<
H
H
<
H
H
H
90
8/ 3
C2
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(
C!
!
(
H Z
!
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<<
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38
6/
IA
D1
H
H
UNDERGROUND STORAGE TANK UNKNOWN
STORM SEWER PIPELINE FLUSHED/RINSED
SECTION OF STORM SEWER PIPELINE COULD
NOT BE VIDEOTAPED ON MAY 19, 2009
!!
H
H
38
DR
IA
!
(
H
H
H
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AV
< <<
<
<<
<
H
H
AR
H
H
C 300 Feet of
Within
MH
H
H
H
AD
}
H
H
H
}
H
<
}
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!
!!
<
H
DG
BL
U
AZ
TPH-DIESEL
H
H (D)
M1C
}
}
H
O
ILR
RA
H
<
<< << <
<<
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<<
< < < <
<<<
< < < <<
<
<
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<
<
<
<
<<
<
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<
< <
<
<
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< <
<
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< <<
<
<
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T
AI
H
R
ST
}
Land Use
<
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H
D
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AN
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!
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M
(
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C!
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H
H
H
H
L
IS
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!
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!
!
!
!
C
(
TIER 2 SCREENING!
LEVELS FOR SOIL
H!
CH
(
H
S
H
H
<<<
<<
<
< <
<
<< < < <
<
<
<
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<
<
<
<
<
<
<<
<
<<
<
<
<
< <
< <
<
<<
<
<< < <
<<< <
21
E
11
IR
}
!
M1
MONITORING WELL
!
H
<
IR
R
MA
O
BL
PA Y
N
SA BA
!
A
C
!
(
M
!
(
H
< <<
<
!
ANALYTE ABBREVIATION
SAMPLE COLLECTION YEAR
H
H
<
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<
<
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<
<
<
<<<
<
<
<
<
<<
!!
!
!!
GEOPROBE SAMPLE
H
<
<<<<
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<
<
<
<<<
<
<<
<
<<
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< <<
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< < < <<
<<
<<
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< <<<
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<<
<<
!
Z
S
H
208
H
H
H
H H
}
}
}
RAILROAD
INVESTIGATION AREA
GROUP I SITE
GROUP II, III SITE
BUILDING FOOTINGS
STRUCTURE
ROAD
0
³
50
100
Feet
FIGURE 3-2
TPH-DIESEL, TPH-MOTOR-OIL
CONCENTRATIONS IN SOIL AND
GROUNDWATER NEAR THE
BROKEN PIPELINE SEGMENT AT THE
STORM SEWER SYSTEM NEAR THE
IR21/BUILDINGS 386/388/390 AREA
SITE SUMMARY REPORT FOR THE STORM SEWER
SYSTEM NEAR IR19, IR21/BUILDINGS 386/388/390 AREA,
PCB SITE BUILDING 678 AL#04, AND
PCB SITE BUILDING 830 UL#01 IN
INVESTIGATION AREA C2,
Known Condition Sites
IWPS4 / T-2 OWS, IR03 and IR15
IWPS4 / T-2 OWS
IR03
IR15
15
VICINITY MAP
M
!
(
!
A
B.2-1 C1
N
SA
D2
+
+
!
A
03W19
C3
C2
!
A
LO
M
!
(
BA
D1.1
T2MW0101
!
A
W
Y
ARMY
VE
IA
T2MW0100
!
A
M
!
(
K
IN
YL CE
BA FFI
O
M
!
(
PROPOSED WELL TO MONITOR ONE TIME (1Q2013)
FOR COMPARISON TO TIER 2 SCREENING LEVELS
STORM SEWER MANHOLE
FENCE
SEWER SERVICE LINE
GAS PIPELINE
!
A
IWPS4MW0100
IR03MW0201D
03W07
7
47
C
!
(
!
IWPS No. 4 !
! A
A
STORMWATER BACKBONE
!
A
IR03MW0201S
FORMER IWPS 4
A
+
A
+
IWPS4MW0102
STRUCTURE
ROAD
AS
C
!
(
3
92
T
03W06
A
+
0 TO 5
D3
C
10 TO 15
15 TO 20
D2
!
(
20
D6
+
D
D5
3
47
IR03MW0202S
4
3
92
IR03MW0204
A
D1
D
C
!
(
5 TO 10
1
47
IWPS4MW0106
C
!
(
IR03MW0200D
SALTWATER PIPELINE
IWPS4MW0105
!
(
IR03MW0200S
PROPOSED WELL TO ELIMINATE FROM
IR03 MONITORING PROGRAM
INVESTIGATION AREA
IT
RA
ST
C1
M
!
(
!
A
+
!
A
+
MONITORING WELL
RAILROAD
D
AN
SL
E
AV
7
45
5
98
A
+
}
I
RE
MA
N
TA
A
EM
C
!
(
T2MW0102
!
A
IWPS4MW0104
C
!
(
A
+
}
ON
IS
5
78
M
C
!
(
M
!
(
R
RF
TE
WA
B
PA
D1.3
!
T
SCHOOL
.2
D1
H2
D
T2MW0103
I
RA
ST
B.2-2
A
M
!
(
ND
LA
IS
B.1
LEGEND
H
A3
T2MW0104
RE
MA
C
!
(
VA L L E J O
IR03MW0202D
A
+
D
A
+
D
H
757
C
!
(
0
BEGIN BUFFER
END BUFFER
20
Feet
5
51
C
!
(
04
1S1
1
29
C
!
(
289
IR03MW0203D
03W18
C
UNK R:\REMEDYLMI20000895\MAPFILES\IWPS4_T2\Q4\FIG5-1_IWPS4_PW_BEGINQ1_Q4.MXD
ECLARK 1/28/2013 10:15:29
AM
C
!
(
!
(
$
FIGURE 5-1
PROPOSED MONITORING WELL NETWORK
IWPS4 AND OWS T-2 BEGINNING
FIRST QUARTER 2013
1
29
5
79
C
!
(
M
!
(
40
A
+
A
+
MONITORING RESULTS,
C
!
(
W
VICINITY MAP
A
EM
IS
N
A3
LEGEND
A
D
FENCE
RAILROAD
INVESTIGATION AREA
FORMER IWPS 4
E8
IR03 FOPL SOURCE AREA
C1
ROAD
IT
RA
ST
T
H
H
D3
BEGIN BUFFER
END BUFFER
D6
4
D
/B
&B
STRUCTURE
03
IR
71
1
47
3
47
/
I1
6/
6
I1/
3A
47
D5
3
92
D1
IR03 SITE BOUNDARY
D
AN
SL
IA
4
4 /B
AS
3
92
D2
2009 INTERIM REMOVAL ACTION SOIL
EXCAVATION FOOTPRINT
I
RE
MA
A
+
A
+
I1/
A
+
D
}
3B
/B E
IR03MW0201S
IR03MW0204
T
Y
!
A
+
!
A
+
IR03MW0201D
7
47
IWPS4MW0100
}
K
IN
YL CE
BA FFI
O
!
A
!
! A
A
BEGINNING AND END OF FOPL SEGMENT
SUBSURFACE 6-INCH WOOD DECKING
IWPS4MW0105
03W07
NOT LOCATED FOPL SEGMENT
IR03MW0200D
T2MW0100
D1.1
IR03MW0200S
!
A
PROPOSED WELL TO ELIMINATE
FROM MONITORING PROGRAM
!
A
!
A
.2
D1
BA
7
47
MONITORING WELL
ABANDONED FOPL SEGMENT
C2
4
I1/
7
45
5
98
C3
ARMY
E
T2MW0102
/B
+
AV
5
78
D2
D1.3
LO
T2MW0101
4
I1/
B
PA
T
ON
FR
ER
AT
!
A
!
A
N
SA
/B
SCHOOL
W
4
I1/
03W19
8
BE
E3
4 /B
I1/
E8
3B
/B E
!
A
7
47
H2
!
I
RA
ST
B.2-2
4
I1/
T2MW0103
B.2-1 C1
ND
LA
IS
757
RE
MA
E
AV
B.1
!
A
T2MW0104
IWPS4MW0102
VA L L E J O
B4
IR03MW0202S
A
73
IR03MW0202D
A
+
D
A
+
D
&B
4
I1/
3B
/B E
I1/6/B473A&B
E8
5
79
5
51
NOTE:
S-PREFIX WELLS AND WELL 03W18 ARE COMPLETED
ABOVE THE SUBSURFACE 6-INCH WOOD DECK AND
D-PREFIX WELLS ARE COMPLETED BELOW THE
SUBSURFACE 6-INCH WOOD DECK.
1
29
1S1
04
U
69 ST
3D9
,
APPROXIMATE
REGIONAL
GROUNDWATER
DIRECTION
I1/
6
6 /B
A
93
1
29
&B
IR03MW0203D
03W18
1
I1/
.
28
5 /B
9
UNK R:\REMEDYLMI20000895\MAPFILES\IR03\Q4\FIG5-1_IR03_PROP_REM_Q4.MXD ECLARK 1/28/2013 10:09:46 AM
9
28
851
0
A
+
A
+
25
Feet
50
$
FIGURE 5-1
BEGINNING WITH FIRST QUARTER 2013
MONITORING RESULTS,
IR03 FUEL OIL PIPELINE SOURCE AREA,
X
X
}
X
X
X
X
}
A
%
X
}
X
}
X
}
X
X
VA L L E J O
A3
A
%
X
}
X
X
X
X
X
X
X
Y
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
}
!
(
X
X
X
IR15MW0240D
X
A
%
COOLING-WATER LOOP
X
X
CONCRETE OBSTRUCTION
X
A
%
X
X
IR15MW0241D
PRB UNDER CONCRETE OBSTRUCTION
A
%
X
X
A
%
PRB FOR CHLORINATED ETHENE PLUME CORE AREA
IR15MW0205D
X
X
IR15MW0243D
X
A
%
QUAY WALL TIE-BACK
X
X
273
X
X
X
X
X
IR15MW0206D
A
%
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
15W04
}
X
}
X
X
}
X
X
}
X
X
}
X
X
X
X
}
}
}
}
C
!
(
X
}
}
}
C
!
(
R
X
R
X
C
!
(
R
X
X
C
!
(
C
!
(
X
X
X
X
X
X
X
X
X
X
}
225
101
X
X
X
X
X
0
12.5
Feet
25
$
FIGURE 5-1
BEGINNING WITH FIRST QUARTER 2013
X
C
!
(
X
X
X
X
X
A
%
UNK R:\REMEDYLMI20000895\MAPFILES\IR15\2012_Q4\FIG5-1_IR15_PROPMWNTWRK_Q4.MXD ECLARK 1/14/2013 10:29:50 AM
X
X
X
R
ROAD
M
!
(
X
R77
APPROXIMATE
GROUNDWATER
FLOW DIRECTION
STRUCTURE
F
!
(
X
IR15MW0214B
X
M
X
R75
X
M
IR15 SITE BOUNDARY
X
R
IR15MW0214D
A
A %
A%
!
(%
!
(
A
%
FENCE
INVESTIGATION AREA
IR15MW0204D
X
C
!
(
}
RAILROAD
IR15MW0104
A
%
A
%
X
A
%
IR15MW0234D
M
X
A
%
A
%
A
%
}
X
X
IR15MW0232D
PURE WATER PIPELINE
STORMWATER BACKBONE
IR15MW0236D
R
X
STEAM PIPELINE
IR15MW0239D
}
X
IR15MW0107
M
!
(
X
SALTWATER PIPELINE
}
X
A
%
}
X
X
A
%
REMOVED FUEL-OIL PIPELINE
X
}
X
X
IR15MW0203D
A
%
NOTE:
1. QUAY WALL TIE-BACK LOCATIONS INFERRED FROM
THOSE OBSERVED WITHIN PRB ALIGNMENT DURING
EXCAVATION OF PRB; DISTANCE OF TIE-BACKS FROM
QUAY WALL NOT DETERMINED.
FLUSHED FUEL-OIL PIPELINE
}
X
X
A
%
}
X
X
X
A
%
EXISTING FRESHWATER PIPELINE
IT
RA
ST
IR15MW0225D
COMPRESSED AIR PIPELINE
}
X
X
A
%
IR15MW0238D
AIR PIPELINE
ND
LA
IS
IR15MW0235D
}
X
X
A
%
SEWER SERVICE LINE
}
X
X
A
%
}
X
X
P51
IR15MW0233D
,
SEWER MANHOLE
UNDERGROUND TELEPHONE UTILITY
P31
A
%
A
%
IR15MW0219D
STORM SEWER OUTFALL
R
A
%
IR15MW0103D
A
%
STORM SEWER MANHOLE
A
%
}
X
X
X
IR15MW0103S
C
!
(
M
!
(
F
!
(
ARMY
M
!
(
15W05
PROPOSED WELL TO ELIMINATE
FROM MONITORING PROGRAM
D1.1
M
!
(
IR15MW0244D
IR15MW0223D
%
%
PROPOSED QUARTERLY GROUNDWATER
MONITORING WELL (WILL BE INCLUDED
IN ANNUAL SAMPLING EVENT)
}
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
PROPOSED ANNUAL GROUNDWATER
MONITORING WELL
E
AR
M
X
X
M
!
(
X
C
!
(
%
C2
D1.3
X
X
BA
M
!
(
C3
D2
LO
M
!
(
R
T
B
PA
SCHOOL
.2
D1
N
SA
C
!
(
H2
I
RA
ST
B.2-2
}
}
}
B.2-1 C1
B.1
}
MONITORING WELL
A
ND
LA
IS
M
!
(
}
}
X
IR15MW0201D
R
IR15MW0237D
RE
MA
}
C1
15
IR
69
}
}
LEGEND
VICINITY MAP
IA
}
}
MONITORING RESULTS, IR15,
Known Condition Site
UST 243
19
Field Activities – Known Condition Site
UST 243 Soil Gas Survey
• Soil Gas Survey
 Petroleum hydrocarbons
 Chlorinated VOCs
 Additional characterization needed to the east,
northeast
 Goal: cumulative assessment of risk related to
petroleum hydrocarbons and chlorinated VOCs in
soil vapors
20
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
! !
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
28,000= (4.5)
<10,000 (4.5)
!
!
!
!
!
<3,600 (4.5)
!
!
}
FENCE
FORMER STRUCTURE
ROAD
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
1327
V
V
!
!
!
!
!
!
!
!
!
!
\
!
!
!
!
!
!
\
\\BALDUR\PROJ\MARE_ISLAND_264204\MXDS\UST\UST243\IMP\FIG3-3_UST243_SG_TPHG.MXD ECLARK1 1/17/2011 09:01:07
NOTES:
1. = = ANALYTE WAS DETECTED
2. GRAY SYMBOL = OTHER SAMPLE LOCATION
3. DATA FOR SAMPLES COLLECTED ON NORTHEAST
SIDE OF DATA EVALUATION BOUNDARY ARE PART
OF UST SITE 243; DATA FOR SAMPLES COLLECTED
SOUTHWEST OF DATA EVALUATION BOUNDARY ARE
PART OF UST SITE 231
25
³
REQUEST FOR CLOSURE FOR UNDERGROUND STORAGE
TANKS 243-1 AND 243-2 IN INVESTIGATION AREA H2,
!
V
!
!
!
!
\
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
<23,000 (4.5)
IR14VB219
86J (2.8)
FIGURE 3-3
UST SITE 243 SOIL VAPOR SAMPLING
LOCATIONS AND TPH-GASOLINE
RESULTS
!
!
!
!
!
!
!
!
V
UST243SV0428
<4,600 (4.0)
V
SAMPLE LOCATION
CONCENTRATION (µg/m 3)
Feet
!
!
!
!
LIUST231SV0720
<5,000 (4.5)
!
!
!
!
!
!
!
\
V
Z
STORMWATER PIPELINE
STRUCTURE
0
V UST243SV0416
!
!
!
\
<6,800 (4.5)
<3,600 (4.5)
!
!
!
V
\
V UST243SV0418
V UST243SV0411
!
!
!
V
*
V
\
V
Z
!
<17,000 (4.5)
!
!
\
!
!
!
!
!
\
V
!
V UST243SV0417
!
!
!
}
}
\
!
!
!
!
!
!
!
!
!
!
!
!
<4,300 (4.5)
V UST243SV0412
V
!
}
}
*
}
\
!
!
!
!
!
V UST243SV0415
UST243SV0427
V <13,000 (3.0)
UST243SV0419
<13,000 (4.5)
<3,800 (4.5)
!
!
!
}
}
}
}
V
!
!
!
231
Z
\
*
Z
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
}
}
V
\
V
V UST243SV0413
<3,600 (4.5)
*
\
Z
!
!
\
V
!
!
!
!
!
\
!
!
243
!
\
*V
V
!
!
!
!
!
!
!
}
\
Z
\
V
!
!
ZV
V UST243SV0408
<9,100 (4.5)
V UST243SV0410
!
!
<4,100 (4.5)
!
!
!
!
!
!
V
V UST243SV0407
!
!
!
UST243SV0430
<3,400 (4.0)
V
*
!
!
!
!
RAILROAD
UST SITES 231 AND 243 DATA
EVALUATION BOUNDARY
1992 REMOVAL ACTION (NAVY)
ASSOCIATED WITH UST SITE 243
2004 REMOVAL ACTION (CH2M HILL)
2005 INFRASTRUCTURE IMPROVEMENT
EXCAVATION AREA (ENGEO)
UST243SV0429
<3,500 (4.0)
V
V UST243SV0501
!
!
!
!
!
!
*
!
!
!
}
!
!
}
!
!
!
!
V
!
!
!
!
\
\
!
!
!
Z
!
!
!
!
!
!
!
!
!
!
!
!
V
!
!
!
!
!
!
!
!
!
!
!
}
!
!
!
!
!
!
!
!
!
!
!
UST243SV0420
<8,500 (4.5)
*
!
!
<8,300 (4.5)
Z
!
!
}
!
V UST243SV0421
!
!
!
!
!
\Z
!
\
!
!
!
!
!
!
!
!
!
!
!
!
Z
V UST243SV0500
!
!
<4,100 (4.5)
!
!
!
!
!
!
V UST243SV0409
!
!
\
A
}
!
}
!
!
!
!
!
!
!
!
!
!
!
V
\
!
}
!
V
UST243SV0502
16,000= (4.5)
!
!
!
!
!
!
!
!
!
V
\
!
!
!
V
V
\
!
!!
FORMER FUEL PIPELINE
UST243SV0414
<3,800 (4.5)
!
Z
!
*
!
V
!
!
!
!
!
!
!
Z
!
!
GAS PIPELINE
INVESTIGATION AREA
22,000= (4.5)
!
!
\
131A
}
!
!
!
!
!
!
!
!
!
!
!
!
\
UST243SV0422
<12,000 (4.5)
V
V
Z
Z
Z
V UST243SV0503
* 20,000= (4.5)
!
!
!
!
!
!
!
!
!
!
VV
!
V
!
!
!
!
!
!
!
!
<3,600 (4.5)
*
!
Z
V
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
V
V *
VV
V
V UST243SV0400 Z
V
!
!
!
!
!
!
!
!
!
!
!
!
!
*
FORMER UNDERGROUND STORAGE TANK
49,000= (5.0)
V UST243SV0601
UST243SV0405
<4,200 (4.5)
UST243SV0406
<3,800 (4.5)
*
Z
UST243SV0100
*
<21,000 (4.5)
SOIL VAPOR SAMPLE
)
V UST243SV0608
UST243SV0505
32,000= (4.5)
!
!
!
<18,000
(5.0)
\
H2
V
<
!
<
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
V
!
V
V
23,000= (5.0)
)
V*
UST243SV0101*
<19,000 (4.5)
<4,400J*(5.0)
IA
Y
!
!
V
\
<
!
!
\
!
!
!
!
IA
ARMY
D1.2
LEGEND
<14,000 (4.0)
Z
V
V UST243SV0203 \
UST243SV0401
*
<19,000
(5.0)
)
2
2B. *
BA
!
!
A
V
UST243SV0404
14,000= (4.5)
V
Z
UST243SV0403
\
<3,700 (4.5)
UST243SV0402
\
<3,900J (5.0)
V UST243SV0204\
\
O
!
!
!
!
!
!
Z
<3,000 (5.0)
BL
PA
!
!
\
!
V UST243SV0303
<
!
!
*
!
!
!
!
!
!
!
!
T
!
!
UST243SV0301
\
<3,000 (5.0)
!
N
SA
!
!
<2,600 (5.0)
I
RA
ST
!
!
\
!
!
!
\
\
V UST243SV0602
UST243SV0600
<17,000 (5.0)
!
!
!
!
!
VV
\
Z
!
!
!
\
!
!
!
811
!
!
!
\
!
!
!
\
!
!
!
\
!
!
!
!
!
!
!
V UST243SV0309
Z
V UST243SV0425Z
<3,700 (4.0)
<16,000 (4.5)
\
\
UST243SV0423
\
V UST243SV0426
Z
110,000= (4.5)
<11,000 (4.5)
UST243SV0302
<6,100 (5.0)
\
\
V
\
ND
LA
IS
!
!
!
!
!
!
!
!
!
!
!
!
A
V
!
!
!
!
V
!
!
!
!
!
! !
!
!
<2,200 (5.0)
!
!
!
V
\
!
!
!
*
Z
UST243SV0202
\
7,700,000= (5.0)
!
!
!
!
!
!
!
C3
C2
D1.3
D1.3 D1.1
!
!!
!
V UST243SV0315
E
AR
M
!
!
!
!
!
!
!
!
!
!
!
!
!
V
\
V
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
V UST243SV0300
!
!
!
!
!
!
!
!
!
!
*
!
!
!
!
!
!
!
!
!
!
UST243SV0201
<19,000
V
Z (5.0)
\
!
<11,000 (5.0)
!
!
!
!
AZ
<1,900 (4.0)
H2 D1.2
D1.3
SCHOOL
D2
22,000= (4.5)
!
!
!
V UST243SV0603
!
!
<2,400 (4.0)
!
!
C1
B.2-2
UST SITE 243
V UST243SV0504
V
!
!
!
!
!
!
!
26,000= (5.0)
!
!
!
!
!
!
!
!
!
!
!
V UST243SV0308
UST243SV0424
<19,000 (4.5)
!
!
!
!
!
!
!
!
UST243SV0322
<4,900 (5.0)
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
V UST243SV0330
!
!
V
V
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
V UST243SV0606
B.1
!
!
!
!
!
!
!
!
UST243SV0306
<3,300 (4.0)
Z
!
UST243SV0307
<2,700 (4.0)
V
20,000= (5.0)
*
!
!
*
V UST243SV0321
<2,000 (5.0)
V
!
!
UST243SV0314
<2,800 (5.0)
!
UST243SV0329
<3,800 (5.0)
!
!
!
!
!
!
!
V
B.2-1
}
V UST243SV0604
!
V
<2,100 (5.0)
!
!
V
UST243SV0328
<3,800 (5.0)
V
!
!
!
!
!
!
V UST243SV0320
Z
UST243SV0327
<1,900 (5.0)
!
!
<3,400 (5.0)
*
!
!
!
!
0
!
!
!
<6,800 (5.0)
}
}
*
!
!
!
!
!
!
0
!
!
!
!
C
0
*
C
C C
*
!
!
!
!
0
!
!
!
!
V UST243SV0312
*
* (
UST243SV0313
<1,500 (4.0)
V UST243SV0326
!
!
!
!
!
!
*
(
VALLEJO
A3
!
!
<1,800 (5.0)
!
!
<2,000 (5.0)
*
(
V UST243SV0325
Z
<18,000 (5.0)
!
!
*
C
C
* 0
C
0
!
*
(
V UST243SV0318
)
C
0
!
!
!
!
!
!
!
!
!
!
!
0
C
0
0 C*
C
C
637 0
!
V UST243SV0605
!
!
!
!
!
0
C
*
(
!
!
!
!
!
!
Z
)
!
*
(
!
*
(
!
!
0
!
!
!
!
0
0
!
!
!
!
!
C
C
C
C
C*
C
C
C
!
!
!
!
!
!
!
!
!
!
Z
!
!
=
!
!
!
!
C
!
!
!
0
!
!
!
C
V
Unknown Condition Site
Building 637 Area
22
Field Activities – Unknown Condition Sites
Building 637 Area
• Remediation
 Petroleum Hydrocarbons and PAHs
 Excavation with Confirmation Soil Sampling
 Installation of Monitoring Wells
 Develop and Implement Groundwater Monitoring
Program
23
Tier 2 Residential ESLs
Soil (0-10 ft bgs)
mg/kg
TPH G
100
TPH D
100
TPH MO
370
BaP
0.038
T
RE
NC
O
C
E
N
CO
ET
CR
E
B637NW-SW-1 (4-5)
DIRT
)
127 ft2
38 CY
B637NW-SW-12 (4-5)
TOE EXCAVATIO N
CONCRETE
)
B637NW-SW-11 (4-5)
D
D
DIRT
D
CO
RE
NC
TO P
B637LT-SW-2 (4.9-5.9)
TO E
E
B637LT-SW-1 (4.8-5.8)
)
D
EX C
AVAT
ION
XCA
VAT
IO N
)
D
D
B637NW-SW-4 (4-5)
D
B637LT-SW-4 (4.7-5.7)
TPH-D: 3200
TPH-MO: ND(2500)
994 ft2
335 CY
D
)
D
D
D
D
R
UA
AZ
D
B637NW-SW-7 (3.3-4.3)
TPH-D: 510
TPH-MO: 1500
FORMER LOCOMOTIVE
TURNTABLE AREA
)
B637HH-SW-13 (5.2-6.2)
B637HH-SW-14 (5-6)
)
N
ATIO
X CAV
N
TIO
AVA
D
)
158 ft2
47 CY
DIRT
FORMER
BUILDING
637
NORTHERN
TWO-THIRDS AREA
B637NW-SW-6 (4-5)
B637LT-SW-14 (4.1-5.1)
)
) B637LT-SW-11 (2.6-3.6)
EXC
D
)
B637LT-SW-13 (4.2-5.2)
E
TO E
D
DIRT
)
)
3,580 CY
11,676 ft2
(Includes ~1,000 CY demolition pit)
)
TO P
)
E
TO
N
B637LT-SW-9 (3.7-4.7)
TPH-D: 1800
TPH-MO: ND(780)
B637LT-SW-10 (2.5-3.5)
TPH-D: 2700
TPH-MO: ND(2500)
TOP EXC AVATION
D
TOE EXCAVATION
D
DIRT
)
TI O
VA
CA
X
E
)
B637LT-SW-3 (3.9-4.9)
1,388 CY
4,924 ft2
EX
N
TI O
VA
CA
B637LT-SW-12 (4.4-5.4)
BENZO(A)PYRENE: 0.058
E T
G N
ED E ME
V
PA
307 CY
870 ft2
)
B637NW-SW-9 (3.4-4.4)
TPH-MO: 590
TPH-MO SGC: 400
P
TO
TE
)
B637NW-SW-8 (3.2-4.2)
TPH-D: 180
TPH-DRO SGC: 150
TPH-MO: 440
)
)
B637LT-SW-6 (4-5)
TPH-D: 690
)
249 ft2
74 CY
B637LT-SW-5 (3.8-4.8)
)
) B637NW-SW-10 (3.4-4.4)
)
EDGE
PAVEMENT
87 ft2
26 CY
B637LT-SW-7 (4.4-5.4)
TPH-D: 230
B637NW-SW-3 (4-5)
TOE EXCAVATION
D
)
CON CRETE
223 ft2
66 CY
B637NW-SW-2 (3.4-4.4)
BENZO(A)PYRENE: 0.067 B
)
)
TPH-D: 1900
TPH-MO: ND(980)
FORMER HYDRAULIC
HOIST AREA
)
N
O
TI
A
V
N
IO
CA
AT
EX
V
E
CA
TO
EX
P
TO
D
B637HH-SW-1 (5.2-6.2)
TPH-D: 2400
TPH-DRO SGC: 2000
TPH-MO: ND(1000)
TPH-MO SGC: ND(1000)
D
D
B637HH-SW-2 (4.3-5.3)
TPH-D: 700
TPH-MO: ND(490)
D
D
E
IV
DR
)
) B637HH-SW-3 (4.9-5.9)
B637HH-SW-4 (3.3-4.3)
TPH-D: 660
D
N
CO
)
TPH-D: 780
TPH-MO: ND(490)
CR
D
ET
E
D
79 ft2
23 CY
D
SAMPLE NAMING CONVENTION:
B637HH-SW-1
Sample #
Sidewall Sample
)
D
D
Location – Building 637
D
B637HH-SW-7 (3.1-4.1)
)
D
B637HH-SW-5 (4-5)
TPH-D: 140
)
DIRT
97 CY
342 ft2
) B637HH-SW-8 (2.6-3.6)
D
B637HH-SW-10 (3.9-4.9)
N
)AVATIOON
D
Area of Investigation – Hydraulic Hoist
D
N
TIO
B637HH-SW-6 (3.6-4.6)
VA
N
A
C
TI O
EX
VA
A
P
C
TO
EX
E
O
T
D
TI
C
EX AVA
P
C
TO E X
E
TO
D
B637HH-SW-11 (3.9-4.9)
TPH-D: 6800
TPH-MO: 9700
D
D
D
DDD-2
D
D
CON
D
TO
C RE
XC
EE
TE
TIO
AVA
D
D
D
B637FSI-SW-2 (4.9-5.9)
D
DD
)
160 ft2
48 CY
D
NOTES:
• SOIL RESULTS ARE LISTED IN MILLIGRAMS PER KILOGRAM (mg/kg)
• TPH = TOTAL PETROLEUM HYDROCARBONS
• G = TPH GASOLINE
• D = TPH DIESEL
• MO = TPH MOTOR OIL
• BaP = BENZO(A)PYRENE
• J = ESTIMATED DETECTED RESULT
• UTILITY PIPING LOCATION SHOWS BURIED UTILITIES BELOW CONNOLLY STREET (REMOVED IN 2004)
• SAMPLE LOCATIONS (X, Y, Z) SURVEYED BY KSR PROFESSIONAL LAND SURVEYORS
1
D-
D
D
)
)
E
TO
E
)
107 CY
404 ft2
B637HH-SW-12 (4-5)
179
ft2
B637FSI-SW-3 (4.7-5.7)
59 CY
TPH-D: 1100
TPH-DRO SGC: 1100
TPH-MO: ND(490)
TPH-MO SGC: ND(490)
)
N
366 CY
1,270 ft2 ION
)
B637HH-SW-9 (3.2-4.2)
)
B637FSI-SW-4 (5-6)
)
AT
AV
C
X
N
)AVATIO
C
EX
P
O
T
B637FSI-SW-6
(4.9-5.9)
FORMER SERVICE
ISLAND AREA
TPH-D: 1300
TPH-MO: ND(490)
B637FSI-SW-1 (5-6)
TPH-D: 210
D
D
REFERENCES:
1. Soil standards listed are from Table 6 Tier 2 Screening Levels for the Eastern Early Transfer Parcel for Soil 0 to 10 Feet Below Ground Surface at Residential Sites, CH2M HILL, Revised December 6, 2011.
D
FIGURE 2
EXPLANATION
EXCAVATION SIDEWALL SAMPLE LOCATION - JULY 2012
)
)
EXCAVATION EXTENT
CONCENTRATIONS BELOW TIER 2
PROPOSED STEP OUT EXCAVATION AREA
EXCEEDS TIER 2
2009 NAVY DRMO EXCAVATION
APPROXIMATE UTILITY
PIPING LOCATION
NOVEMBER 2008 NAVY DRMO
FOLLOW-ON TPH INVESTIGATION
TRENCH SAMPLE
REMOVED 3-INCH OILY PIPE
NATURAL GAS PIPE
2004 CONNOLLY STREET
EXCAVATION BOUNDARY
1999 UST637 (1)(2)
EXCAVATION BOUNDARY
FORMER LOCOMOTIVE
TURNTABLE FOUNDATION
FORMER HYDRAULIC HOIST PITS
FORMER LOCOMOTIVE
REPAIR FOUNDATION
APPROXIMATE LOCATION OF
ABRASIVE BLAST MATERIAL
−
FORMER BUILDING
0
20
JULY 2012 SAMPLE LOCATIONS AND RESULTS
40 '
1252 Commerce Drive
Laramie, WY 82070
www.trihydro.com
(P) 307/745.7474 (F) 307/745.7729
Drawn By: BR
Checked By: AR
LENNAR MARE ISLAND, LLC
VALLEJO, CALIFORNIA
Scale: 1" = 20'
Date: 8/8/12
File: LMI_Samples_Results_201207.mxd
Unknown Condition Site
Building 688 PCB Site UL#01
25
Building 688 PCB Site UL#01
• Characterization / Remediation
 Characterize Portions of Transformer Pad
 Scabble/Scarify Portions of Transformer Pad
 Remove Surrounding Asphalt
 Collect Confirmation Samples
26
Data results are preliminary
and have not been validated.
BUILDING VICINITY MAP
OK
A
M
HO
LA
TZ
MI
NI VE
A
146
B688UL01GB0389
0.65 mg/kg
ST
8-0376
8.4= (0.0) mg/kg A-1254
B688UL01GB0380
1.1= (0.0) mg/kg
686
0
³
VALLEJO
A3
10
}
}
}
}
}
}
}
480V
( )
F
)
8-0358
<1 (0.0) mg/kg
}
}
}
}
}
}
750
C
C
Sample
Location
}
}
B688UL01MH0388
15= (8.0) mg/kg
}
8-0359
<1 (0.0) mg/kg
}
}
}
(
}
}
}
12
}
C
R
FD
}
B688UL01COMP-2C
RA-122 0.75 mg/kg
C
KV
}
}
6271-0113
<1 (0.0) mg/kg
T-1756
C
}
PCB SITE BUILDING 688 UL#01
}
C
)
E
}
8-0362
<1 (0.0) mg/kg
}
B688UL01COMP-3C
0.17 mg/kg
6114-0038
<1 (0.0) ppm
}
}
}
8-0379
1.2= (0.0) mg/kg A-1260
(
}
208V
1
T-
(
B688UL1GB0376
<0.019 (1.5) mg/kg
1
Z
}
}
240V
}
PC7610
0.8J (0.5) mg/kg
}
B688UL1GB0369
<0.02 (1.5) mg/kg
}
}
B688UL1GB0375
1.2= (1.5) mg/kg
PC8610
0.06J (2.0) mg/kg
}
}
*
Z
Z
}
(
Y
C
8-0364
}
<1 (0.0)} mg/kg
C
Z
}
D1.3
ARMY
D1.1
}
}
}
*
PC8684
0.09= (4.0) mg/kg
C
F
))
}
}
MANHOLE
}
}
}
*
Z
PC8681
0.2= (4.0) mg/kg
}
}
}
Z
Z
8-0366
<1 (0.0) mg/kg
B688UL1GB0363
<0.02 (1.5) mg/kg
*
B688UL1GB0367
<0.018 (1.5) mg/kg
B688UL01COMP-5C
5.24 mg/kg
B688UL01GB0390
0.0002 mg/L
B688UL01COMP-1S
1.8 mg/kg
B688UL1GB0362
<0.019 (1.5) mg/kg
D1.2
}
}
ASPHALT SAMPLE
CONCRETE CHIP SAMPLE
CHIP SAMPLE
GEOPROBE SAMPLE
LIQUID CONTENTS SAMPLE
SOIL BORING SAMPLE
SEDIMENT GRAB SAMPLE
SOIL GRAB SAMPLE
SURFACE SOIL SAMPLE
WIPE SAMPLE
FENCE
ASPHALT
CONCRETE PAD
REMOVED SOIL AND ASPHALT TO 18 INCHES BGS
(TWD 97-1398, REVISION B)
REMOVED SOIL AND ASPHALT TO 28 INCHES BGS
(TWD 97-1398, REVISIONS A AND B)
SCABBLED TO 0.5 INCH
(TWD 97-1398, REVISION A)
SCABBLED TO 0.25 INCH
(TWD 97-1398, REVISION A)
SCABBLED TO 0.75 INCH (TWD 96-1398)
STRUCTURE
}
Z
Z
SAMPLE LOCATIONS UNKNOWN
LOCID
CONCENTRATION
UNIT
PC7611
0.44J
mg/kg
PC7612
2.1J
mg/kg
PC7613
0.24J
mg/kg
PC7614
2.4J
mg/kg
PC7615
0.33=
mg/kg
PC8611
2.41=
mg/kg
PC8612
5.51=
mg/kg
PC8614
1.5=
mg/kg
BUILDING 688
}
}
}
8-0365
<5 (0.0) µg/100 cm2
B688UL01COMP-6C
3.39 mg/kg
59
17
}
}
B688UL1GB0368
0.014J (1.5) mg/kg
T-
}
(
B688UL01GB0385
0.1= (0.0) mg/kg
B688UL01MH0387
17= (8.0) mg/kg
}
}
B688UL01COMP-7C
0.031 mg/kg
B688UL01COMP-4C
17.19 mg/kg
78
}
B688UL01GB0386
0.18= (0.0) mg/kg
8-0363
3.7= (0.0) mg/kg A-1254
}
B688UL01COMP-8C
0.032 mg/kg
(
C
(
Y
Z
)
E
*
F
)
G
)
=
)
8-0360
<1 (0.0) mg/kg
8-0378
<1 (0.0) mg/kg
C3
LEGEND
8-0361
<1 (0.0) mg/kg
T-1757
C
C2
D1.2
Y
740
B688UL01COMP-1C
0.30 mg/kg
BA
8-0377
2= (0.0) mg/kg A-1254
}
688
Sample Area
and 3-Meter Grid
Boundaries
IT
RA
ST
(
B688UL01GB0381
0.53= (0.0) mg/kg
8-0356
<1 (0.0) mg/kg
ND
LA
C
O
858
8-0355
<1 (0.0) mg/kg
(
IS
(
BL
PA
388
686A
E
AV
390
MANHOLE
8-0357
<5 (0.0) µg/100 cm 2
PCB SITE
BUILDING 688 UL#01
N
SA
D
OA
ILR
RA
390A
}
680
E
AR
M
B.2-1
C1
B.1
B.2-2
H2
D1.2
D1.3
SCHOOL
D2
Feet
PC8680
<0.011 (4.0) mg/kg
Z*
PC8613
0.2= (2.0) mg/kg
8-0393
2.2= (0.0) mg/kg A-1260
8-0394
1.2= (0.0) mg/kg A-1260
B688UL1GB0366
<0.018 (1.5) mg/kg
B688UL1GB0361
<0.019 (1.5) mg/kg
B688UL1GB0365
<0.019 (1.5) mg/kg
Z
G
)
(
B688UL01GB0382
0.67= (0.0) mg/kg
=
(
B688UL1GB0364
<0.019 (1.5) mg/kg
(
NOTES:
4. ANALYTE ABBREVIATIONS:
A-1254 = AROCLOR-1254
A-1260 = AROCLOR-1260
5. SSPORTS SAMPLES COLLECTED FROM THE CONCRETE
PAD FOLLOWING SCABBLING ACTIVITIES WERE
COLLECTED FROM THE SURFACE OF THE SCABBLED
AREA AND ARE LISTED AS 0.0 FEET BGS
6. SAMPLE B688UL1GB0361 WAS COLLECTED IN FILL
MATERIAL
B688UL01GB0384
0.092= (0.0) mg/kg
B688UL01GB0383
0.082= (0.0) mg/kg
SAMPLE LOCATION
PCB CONCENTRATION
UNIT
IR14VB219
86J (2.8) mg/kg
FIGURE 3
PCB SITE BUILDING 688 UL#01
SAMPLING LOCATIONS AND
REMAINING PCB CONCENTRATIONS
RDD V:\MARE_ISLAND_264204\MXDS\PCB\B688\FIG3_B688PREV_SAMPLE_BLOC11X17_B.MXD ECLARK1 11/3/2011 1:55:27 PM
Unknown Condition Sites
Building 742 PCB Sites UL#03 through UL#06
28
Building 742 PCB Sites UL#03 – UL#06
• Remediation
 Four Pits within Southern Floor of Building 742
 Pressure Wash Pits
 Evaluate Other Remediation Options
29
Voluntary Cleanup Site
Building 781 PCB Site AL#01
• Characterization / Remediation
/ Demolition
 PCBs
 Decommissioned Electrical Substation
 Characterize Subsurface Vault
 Remove Structure
32
Path Forward
• April 9, 2013 - Meeting with
Regulatory Agencies
• April 2013 – Development and Review
of Work Plans
• May 2013 – Submit Draft Work Plans to
Regulatory Agencies
• May – October 2013 – Complete
Characterization/Investigation/
Remediation
33
Questions?

Remediation Results and Land Use Change

Transcription

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