M-112 G-8 M-108 M-1 M-116 M-113 CWDD (CEG) 21 M-9 M-8 …
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400 401+00 402+00 403+00 404+00 405+00 406+00 407+00 408+00 409+00 410+00 411+00 412+00 413+00 414+00 415+00 416+00 417+00 418+00 419+00 420+00 421+00 422+00 423+00 424+00 425+00 426+00 427+00 428+00 429+00 430+00 431+00 432+00 433+00 434+00 435+00 436+00 437+00 438+00 439+00 440+00 441+00 442+00 443+00 444+00 445+00 446+00 447+00 448+00 449+00 450+00 451+00 452+00 453+00 454+00 455+00 456+00 457+00 458+00 459+00 460+00 461+00 462+00 463+00 464+00 465+00 466+00 467+00 468+00 469+00 470+00 471+00 472+00 473+00 474+00 475+00 476+00 477+00 478+00 479+00 480+00 481+00 482+00 483+00 484+00 485+00 486+00 487+00 488+00 489+00 490+00 491+00 492+00 493+00 494+00 495+00 496+00 497+00 498+00 499+00 500+00 501+00 502+00 503+00 504+00 505+00 506+00 507+00 508+00 509+00 510+00 511+00 512+00 513+00 514+00 515+00 516+00 517+00 518+00 519+00 520+00 521+00 522+00 523+00 524+00 525+00 526+00 527+00 528+00 529+00 530+00 531+00 532+00 533+00 534+00 535+00 536+00 537+00 538+00 539+00 540+00 541+00 542+00 543+00 544+00 545+00 546+00 547+00 548+00 549+00 550+00 551+00 552+00 553+00 554+00 555+00 556+00 557+00 558+00 559+00 560+00 561+00 562+00 563+00 564+00 565+00 566+00 567+00 568+00 569+00 570+00 571+00 572+00 573+00 574+00 575+00 576+00 577+00 578+00 579+00 +00 SAN PEDRO FM (Qsp) SAN PEDRO FM (Qsp) YOUNGER ALLUVIUM (Qal) SAN PEDRO FM (Qsp) sp) SAN PEDRO FM (Qsp) af af af Qlw Qal Qalo FERNANDO FM (Tf) SAN PEDRO FM (Qsp) SAN PEDRO FM (Qsp) SAN PEDRO FM (Qsp) FERNANDO FM (Tf) FERNANDO FM (Tf) FERNANDO FM (Tf) FERNANDO FM (Tf) SAN PEDRO FM (Qsp) Qalo af af af af af LAKEWOOD FORMATION (Qlw) LAKEWOOD FORMATION (Qlw) (Qal) OLDER ALLUVIUM (Qalo) LAKEWOOD FORMATION (Qlw) Qlw Qalo Qlw Qlw Qalo LAKEWOOD FORMATION (Qlw) Qalo af af Qal af Qlw Qlw Qal 400+ 401+00 402+00 403+00 404+00 405+00 406+00 407+00 408+00 409+00 410+00 411+00 412+00 413+00 414+00 415+00 416+00 417+00 418+00 419+00 420+00 421+00 422+00 423+00 424+00 425+00 426+00 427+00 428+00 429+00 430+00 431+00 432+00 433+00 434+00 435+00 436+00 437+00 438+00 439+00 440+00 441+00 442+00 443+00 444+00 445+00 446+00 447+00 448+00 449+00 450+00 451+00 452+00 453+00 454+00 455+00 456+00 457+00 458+00 459+00 460+00 461+00 462+00 463+00 464+00 465+00 466+00 467+00 468+00 469+00 470+00 471+00 472+00 473+00 474+00 475+00 476+00 477+00 478+00 479+00 480+00 481+00 482+00 483+00 484+00 485+00 486+00 487+00 488+00 489+00 490+00 491+00 492+00 493+00 494+00 495+00 496+00 497+00 498+00 499+00 500+00 501+00 502+00 503+00 504+00 505+00 506+00 507+00 508+00 509+00 510+00 511+00 512+00 513+00 514+00 515+00 516+00 517+00 518+00 519+00 520+00 521+00 522+00 523+00 524+00 525+00 526+00 527+00 528+00 529+00 530+00 531+00 532+00 533+00 534+00 535+00 536+00 537+00 538+00 539+00 540+00 541+00 542+00 543+00 544+00 545+00 546+00 547+00 548+00 549+00 550+00 551+00 552+00 553+00 554+00 555+00 556+00 557+00 558+00 559+00 560+00 561+00 562+00 563+00 564+00 565+00 566+00 567+00 568+00 569+00 570+00 571+00 572+00 573+00 574+00 575+00 576+00 577+00 578+00 579+00 +00 LORRAINE BL. CRESCENT HEIGHTS BL. LA JOLLA AVE SAN VICENTE BLVD G-104 G-125 G-127 G-128 CB-105 M-12 M-15-alt M-13 M-14 M-16 TOP OF TAR IMPREGNATED SOIL G-124 / M-113 G-126 / M-116 G-7A No. 10 DOUBLE CROSSOVER PLYMOUTH BL. ARDEN BL. FREEMONT PL. RIMPAU BL. MUIRFIELD RD. JUNE ST. McCADDEN PL. HIGHLAND AVE MANSFIELD AVE SYCAMORE AVE LA BREA AVE CLOVERDALE AVE DUNSMUIR AVE RIDGELEY DR. MASSELIN AVE CURSON AVE SPAULDING AVE ORANGE GROVE AVE FAIRFAX AVE S. LUCERNE BL. LA CIENEGA BLVD. G-105 G-106 G-107 G-108 G-109 G-110 G-111 G-113 G-112 G-114 G-116 G-118 G-119 G-121 G-123 G-129 G-130B G-131 G-132 CB-101 CB-102 CB-103 CB-104 G-206 C-105 C-106 C-107 C-108 C-109A C-110 C-112 C-111 M-10 M-11 M-8 M-7 M-6 M-5 M-4 M-3 M-1 M-9 M-2 TOP OF TAR-IMPREGNATED SOIL TOP OF TAR IMPREGNATED SOIL P-101 COCHRAN AVE HAMILTON DR. GALE DR. WINDSOR BL. WILSHIRE / LA CIENEGA STATION WILSHIRE / LA BREA STATION WILSHIRE / FAIRFAX STATION NO.10 DOUBLE CROSSOVER ~ ~ ~ ~ 5/12/11 ~ 5/12/11 OGDEN DR M-114 M-115 M-102 M-103 M-104 M-105 M-107 M-101 M-108 M-106 M-112 M-111 M-110 M-116 M-113 ? ? S-102 TOP OF TAR-IMPREGNATED SOIL 0.0/0.0 0.0/0.4 0.0/ND 0.0/0.0 0.0/0.2 0.0/ND 0.0/0.0 0.0/0.1 0.0/ND 0.0/0.0 0.0/0.1 0.0/ND 0.3/0.0 0.0/0.6 0.5/0.0 0.0/0.4 0.0/ND 0.7/0.0 0.0/0.5 0.0/ND 0.5/0.0 0.0/0.4 0.0/ND 0.0/0.0 0.0/0.7 0.0/0.0 0.0/0.1 0.0/ND 0.5/0.0 0.0/0.4 0.0/ND 0.2/0.0 0.0/0.3 0.0/ND 0.0/W 0.0 0.2 0.0 0.0 0.0 0.0 0.1 0.0 0.0 0.1 0.0 0.0 0.05 0.5 0.5 0.2 0.0 0.0 1.4 0.0 0.0 3.2 0.0 0.0 0.1 48.1 W W W 0.0 40.3 0.0 0.0 22.4 0.0 0.0 0.0 59.1 0.25 25.4 0.0 0.0 64.1 0.0 0.0 71.8 47.0 0.0 0.0 23.5 0.0 7.6 0.0 0.0 30.3 0.0 0.25 54.4 0.0 0.65 W W 194 79.1 290 193 78.0 179 30.0 76.4 134 W 4.0 90.0 60.0 86.8 10.0 1.8 75.1 56.0 TAR TAR TAR 79.0 2.5 77.7 W W W 0.0 0.0 78.7 0.0 0.0/38 0.9/W 0.01/W W W W W W W 10.0 72.8 0.0 10.0 82.7 0.0 0.0/0.0 0.0/1.9 0.0/0.0 0.0/4.8 0.0/ND 0.0/2.3 0.0/2.5 .005/ND 0.0/1.4 0.0/1.3 .008/ND .005/.41 0.0/291 0.6/60 0.14/30 168/152 75/ND 75/ND 0.0/844 W/W W/W 17.1 38.2 3.0 0.42/3.9 W/84.5 W/W 0.0/32 W/84.3 W/W 0.0/4.0 W/W W/W 0.0/1.4 W/W W/W 0.0/0.0 3.2/0.6 0.0/0.2 7.8/5.5 0.1/ND 0.0/0.0 1.3/5.7 .004/ND W/9.1 0.106/W 0.0/0.0 .004/ND 0.0/0.4 5.5/82.6 0.0/0.0 0.0/W 0.005/W 0.0/0.0 0.0/37.9 0.0/ND 15.5/W .003/0.17 0.0/W .004/W 4.0 31.4 4.0 55.0 1.0 2.0 84.2 0.0 0.5 86.0 0.34 1.0 0.1 0.4 0.0 0.0 0.4 0.0 0.1 0.3 0.0 0.1 0.4 0.0 0.3 85.2 0.0 0.0 84.7 0.0 0.0 70.0 0.0 10.0 47.1 0.0 0.0 84.6 0.0 0.0 7.8 0.0 0.0 9.2 0.0 0.5 2.9 0.0 0.0/0.0 0.0/2.7 W/0.11 0.0/0.0 W/1.6 W/ND 0.2/>5 0.0/20.6 W/ND W/>5 W/48.2 W/ND 4.0 89.2 6.0 12.0 96.0 3.0 20.0 86.6 120.0 20/16 90.4/100 6500/1000 0.0 0.9 0.0 0.0 99.2 0.0 0.0 1.7 0.0 0.0 1.1 0.0 0.0/0.0 .006/ND 0.0/0.0 0.0/0.71 0.11/ND 0.0/0.0 0.0/3.2 0.0/ND 0.0/0.0 0.0/4.3 0.0/ND 0.0/0.0 0.0/ND 0.0/ND 0.0/0.0 0/.0015 0.0/ND 0.0/0.0 0.0/ND 0.0/ND W/0.0 0.0/ND 0.0/W 0.0 0.0 0.0 0.0 0.0038 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0/0.0 0.6/.0022 0.0/ND 0.0/0.0 0.0/.0027 0.003/ND 0.0/0.0 0.0/0.6 .004/ND 0.0/0.0 0.9/0.6 .003/ND 0.0/0.028 10.0/0.8 0.0/0.92 73.3/58 2.7/0.3 0.23/0.35 76.1/39.1 1.0/0.0 0.006/ND 2.9/90.4 5.0/2.2 0.22/ND 79.7/86.0 0.0/0.0 0.0/ND 0.0/0.0 0.0/0.0 0.0/ND 2.1/0.2 0.0/V 0.0/V 2.3/0.0 0.0/ND 0.0/ND 0.0/0.0 0.0/ND 0.0/ND 0.0/0.0 0.0/ND 0.0/ND 0.2/0.0 0.0/ND 0.0/ND 0.0/0.0 1.2/ND 0.0/ND 0.0/0.0015 5/14/11 5/14/11 5/13/11 5/10/11 5/10/11 5/2511 5/24/11 5/14/11 5/16/11 5/16/11 6/7/11 6/7/11 6/7/11 5/20/11 0.0/ND 0.69 ND 0.86 ND ND ND S. BURNSIDE AVE 0.0 M L90123.ADEFO 8 2 1 M A-69235 M A-69235 2 1 M A-69228 M A-69228 CWDD (CEG) 21 M A-72204 3 CB-103 M-111 M-110 M-112 M-114 CB-105 M-115 CB-104 M-15 M-8 M-9 M-10 G-7 M-13 M-14 M-16 G-8 M-12 G-5 G-6 M-11 G-7A M-116 M-113 400+00 400+00 580+00 580+00 0 20 40 60 80 100 120 140 160 180 200 0 20 40 60 80 100 120 140 160 180 200 0 20 40 60 80 100 120 140 160 180 200 0 20 40 60 80 100 120 140 160 180 200 220 0 20 40 60 80 100 120 140 160 180 200 220 0 20 40 60 80 100 120 140 160 180 200 220 WWC 6 WWC 5 CWDD (CEG) 17 CB-101 M-101 M-102 M-103 CB-102 M-104 M-105 M-106 M-108 M-107 G-2 M-1 M-2 G-3 M-4 M-5 G-4 M-6 M-7 M-3 M-109 100 10 1 0.1 0.01 0.001 0.00001 0.00001 0.000001 580+00 400+00 560+00 540+00 520+00 500+00 480+00 460+00 440+00 420+00 100 10 0.1 0.01 0.001 0.00001 0.00001 0.000001 1 100 10 0.1 0.01 0.001 0.00001 0.00001 0.000001 1 LA JOLLA AVE Hydrogen Sulfide (H ɑS) AS NOTED PLATE 3-1 STATION 400+00 to 580+00 REV CONTRACT NO DRAWING NO SCALE SHEET NO DESIGNED BY DRAWN BY CHECKED BY IN CHARGE DATE LOS ANGELES COUNTY METROPOLITAN TRANSPORTATION AUTHORITY 01/11/2012 L. MORLEY MBH / PM JAG / HP DESCRIPTION REV DATE BY EXPIRES REG NO APP SEAL HOLDER WESTSIDE SUBWAY EXTENSION PRELIMINARY ENGINEERING PLOT OF SUBSURFACE GAS DATA FAIRFAX AREA UserName: Larry.Morley Jan 11, 2012 @ 12:50pm FileName=> C:\Users\larry.morley\Documents\CAD\4953-11-1421_WSE\4953-11-1421_Gas-Data-Log-Plt4.dwg [Plt3-1] ELLIOTT / MUNRO ALIGNMENTE STA 580+00 PLAN PLAN PLAN PLAN GAS SYMBOLS NOTES: 1. Slash "/" indicates year taken (2011/2009) otherwise all data is 2011 2. W = Water encountered negating Data 3. H = High (off scale) 4. NA = No Measured Data (not available) 5. Ground-Water Level and Date Measured 6. For clarity purposes Geotechnical Borings are not shown on Plan and Profile. Only Geologic Units and Contacts are shown on the Profile. 5/26/11 MAXIMUM RECORDED VALUES During 2009 to 2011 GROUNDWATER SYMBOLS : Groundwater depth measured in an observation well and date of measurement (AMEC 2009 - 2011). Overnight Groundwater depth measured in a boring (AMEC 2011). Groundwater depth measured during drilling of a boring (AMEC 2011). Groundwater encountered during drilling (Metro, 2011). Seepage encountered during drilling (LC, 1969). 12/24/08 0.7 0.7 4 100 25 Methane (CH 4 ): < 5% by Volume 5 - 25% by Volume 26 - 100% by Volume Hydrogen Sulfide (H ɑS): 0.7 ppm (Parts Per Million by Volume) Pressure (HɑO): 0.7 inches of Water
Transcript of M-112 G-8 M-108 M-1 M-116 M-113 CWDD (CEG) 21 M-9 M-8 …
400+00401+00402+00403+00404+00405+00406+00407+00408+00409+00410+00411+00412+00413+00414+00415+00416+00417+00418+00419+00420+00421+00422+00423+00424+00425+00426+00427+00428+00429+00430+00431+00432+00433+00434+00435+00436+00437+00438+00439+00440+00441+00442+00443+00444+00445+00446+00447+00448+00449+00450+00451+00452+00453+00454+00455+00456+00457+00458+00459+00460+00461+00462+00463+00464+00465+00466+00467+00468+00469+00470+00471+00472+00473+00474+00475+00476+00477+00478+00479+00480+00481+00482+00483+00484+00485+00486+00487+00488+00489+00490+00491+00492+00493+00494+00495+00496+00497+00498+00499+00500+00501+00502+00503+00504+00505+00506+00507+00508+00509+00510+00511+00512+00513+00514+00515+00516+00517+00518+00519+00520+00521+00522+00523+00524+00525+00526+00527+00528+00529+00530+00531+00532+00533+00534+00535+00536+00537+00538+00539+00540+00541+00542+00543+00544+00545+00546+00547+00548+00549+00550+00551+00552+00553+00554+00555+00556+00557+00558+00559+00560+00561+00562+00563+00564+00565+00566+00567+00568+00569+00570+00571+00572+00573+00574+00575+00576+00577+00578+00579+00580+00
SAN PEDRO FM (Qsp)
SAN PEDRO FM (Qsp)YOUNGER ALLUVIUM (Qal)
SAN PEDRO FM (Qsp)
SAN PEDRO FM (Qsp)
SAN PEDRO FM (Qsp)
af
af
af
Qlw
Qal
Qalo
FERNANDO FM (Tf)
SAN PEDRO FM (Qsp)
SAN PEDRO FM (Qsp)
SAN PEDRO FM (Qsp)
FERNANDO FM (Tf)
FERNANDO FM (Tf)
FERNANDO FM (Tf)
FERNANDO FM (Tf)
SAN PEDRO FM (Qsp)
Qalo
af
af
af
af
af
LAKEWOOD FORMATION (Qlw)
LAKEWOOD FORMATION (Qlw)
YOUNGER ALLUVIUM (Qal)
OLDER ALLUVIUM (Qalo)
LAKEWOOD FORMATION (Qlw)
Qlw
Qalo
Qlw
Qlw
Qalo
LAKEWOOD FORMATION (Qlw)
Qalo
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Qal
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400+00401+00402+00403+00404+00405+00406+00407+00408+00409+00410+00411+00412+00413+00414+00415+00416+00417+00418+00419+00420+00421+00422+00423+00424+00425+00426+00427+00428+00429+00430+00431+00432+00433+00434+00435+00436+00437+00438+00439+00440+00441+00442+00443+00444+00445+00446+00447+00448+00449+00450+00451+00452+00453+00454+00455+00456+00457+00458+00459+00460+00461+00462+00463+00464+00465+00466+00467+00468+00469+00470+00471+00472+00473+00474+00475+00476+00477+00478+00479+00480+00481+00482+00483+00484+00485+00486+00487+00488+00489+00490+00491+00492+00493+00494+00495+00496+00497+00498+00499+00500+00501+00502+00503+00504+00505+00506+00507+00508+00509+00510+00511+00512+00513+00514+00515+00516+00517+00518+00519+00520+00521+00522+00523+00524+00525+00526+00527+00528+00529+00530+00531+00532+00533+00534+00535+00536+00537+00538+00539+00540+00541+00542+00543+00544+00545+00546+00547+00548+00549+00550+00551+00552+00553+00554+00555+00556+00557+00558+00559+00560+00561+00562+00563+00564+00565+00566+00567+00568+00569+00570+00571+00572+00573+00574+00575+00576+00577+00578+00579+00580+00
LO
RR
AIN
E B
L.
CR
ES
CE
NT
H
EIG
HT
S B
L.
LA
JO
LLA
A
VE
SA
N V
IC
EN
TE
B
LV
D
G-104
G-125
G-127
G-128
CB
-105
M-1
2
M-1
5-a
lt
M-1
3
M-1
4
M-1
6
TOP OF TAR
IMPREGNATED
SOIL
G-124 /
M-113
G-126 /
M-116
G-7
A
No. 10DOUBLE CROSSOVER
PLY
MO
UT
H B
L.
AR
DE
N B
L.
FR
EE
MO
NT
P
L.
RIM
PA
U B
L.
MU
IR
FIE
LD
R
D.
JU
NE
S
T.
McC
AD
DE
N P
L.
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HLA
ND
A
VE
MA
NS
FIE
LD
A
VE
SY
CA
MO
RE
A
VE
LA
B
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A A
VE
CLO
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RD
ALE
A
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DU
NS
MU
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RID
GE
LE
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R.
MA
SS
ELIN
A
VE
CU
RS
ON
A
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SP
AU
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IN
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OR
AN
GE
G
RO
VE
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FA
IR
FA
X A
VE
S. LU
CE
RN
E B
L.
LA
C
IE
NE
GA
B
LV
D.
G-105
G-106
G-107
G-108
G-109
G-110
G-111
G-113
G-112
G-114
G-116
G-118
G-119
G-121
G-123
G-129
G-130B
G-131
G-132
CB
-101
CB
-102
CB
-103
CB
-104
G-206
C-105
C-106
C-107
C-108
C-109A
C-110
C-112
C-111
M-1
0
M-1
1
M-8 M
-7
M-6
M-5
M-4
M-3
M-1
M-9
M-2
TOP OF
TAR-IMPREGNATED
SOIL
TOP OF TAR
IMPREGNATED
SOIL
P-101
CO
CH
RA
N A
VE
HA
MILT
ON
D
R.
GA
LE
D
R.
WIN
DS
OR
B
L.
WILSHIRE / LA CIENEGASTATION
WILSHIRE / LA BREASTATION
WILSHIRE / FAIRFAXSTATION
NO.10 DOUBLE CROSSOVER
~
~
~
~
5/12/11
~
5/12/11
OG
DE
N D
R
M-114
M-115
M-102
M-103
M-104
M-105
M-107
M-101
M-108
M-106
M-112
M-111
M-110
M-116
M-113
?
?
S-102
TOP OF
TAR-IMPREGNATED
SOIL
0.0/0.00.0/0.4 0.0/ND
0.0/0.00.0/0.2 0.0/ND
0.0/0.00.0/0.1 0.0/ND
0.0/0.00.0/0.1 0.0/ND
0.3/0.00.0/0.6
0.5/0.00.0/0.4 0.0/ND
0.7/0.00.0/0.5 0.0/ND
0.5/0.00.0/0.4 0.0/ND
0.0/0.00.0/0.7
0.0/0.00.0/0.1 0.0/ND
0.5/0.00.0/0.4 0.0/ND
0.2/0.00.0/0.3 0.0/ND
0.0/W0.00.2
0.00.0 0.0
0.00.1 0.0
0.00.1 0.0
0.00.050.5
0.50.2 0.0
0.01.4 0.0
0.03.2 0.0
0.00.148.1
WW W
0.040.3 0.0
0.022.4 0.0
0.00.059.1
0.2525.4 0.0
0.064.1 0.0
0.071.8 47.0
0.00.023.5
0.07.6 0.0
0.030.3 0.0
0.2554.4 0.0
0.65
WW
19479.1 290
19378.0 179
30.076.4 134
W4.090.0
60.086.8 10.0
1.875.1 56.0
TARTAR TAR
79.0
2.577.7
WW W
0.0
0.078.7 0.0
0.0/380.9/W 0.01/W
WW
WW W
W
10.072.8 0.0
10.082.7 0.0
0.0/0.00.0/1.9
0.0/0.00.0/4.8 0.0/ND
0.0/2.30.0/2.5 .005/ND
0.0/1.40.0/1.3 .008/ND
.005/.41
0.0/2910.6/60 0.14/30
168/15275/ND 75/ND
0.0/844W/W W/W
17.138.2 3.0
0.42/3.9W/84.5 W/W
0.0/32W/84.3 W/W
0.0/4.0W/W W/W
0.0/1.4W/W W/W
0.0/0.03.2/0.6
0.0/0.27.8/5.5 0.1/ND
0.0/0.01.3/5.7 .004/ND
W/9.1
0.106/W
0.0/0.0.004/ND
0.0/0.45.5/82.6
0.0/0.00.0/W 0.005/W
0.0/0.00.0/37.9 0.0/ND
15.5/W
.003/0.17
0.0/W.004/W
4.031.4
4.055.0 1.0
2.084.2 0.0
0.586.0 0.34
1.0
0.10.4 0.0
0.00.4 0.0
0.10.3 0.0
0.10.4 0.0
0.385.2 0.0
0.084.7 0.0
0.070.0 0.0
10.047.1 0.0
0.084.6 0.0
0.07.8 0.0
0.09.2 0.0
0.52.9 0.0
0.0/0.00.0/2.7 W/0.11
0.0/0.0W/1.6 W/ND
0.2/>50.0/20.6 W/ND
W/>5W/48.2 W/ND
4.089.2 6.0
12.096.0 3.0
20.086.6 120.0
20/1690.4/100 6500/1000
0.00.9 0.0
0.099.2 0.0
0.01.7 0.0
0.01.1 0.0
0.0/0.0.006/ND
0.0/0.00.0/0.71 0.11/ND
0.0/0.00.0/3.2 0.0/ND
0.0/0.00.0/4.3 0.0/ND
0.0/0.00.0/ND 0.0/ND
0.0/0.00/.0015 0.0/ND
0.0/0.00.0/ND 0.0/ND
W/0.00.0/ND 0.0/W
0.00.0 0.0
0.00.0038 0.0
0.00.0 0.0
0.00.0 0.0
0.0/0.00.6/.0022 0.0/ND
0.0/0.00.0/.0027 0.003/ND
0.0/0.00.0/0.6 .004/ND
0.0/0.00.9/0.6 .003/ND
0.0/0.028
10.0/0.80.0/0.9273.3/58
2.7/0.30.23/0.3576.1/39.1
1.0/0.00.006/ND2.9/90.4
5.0/2.20.22/ND79.7/86.0
0.0/0.00.0/ND
0.0/0.00.0/0.0 0.0/ND
2.1/0.20.0/V 0.0/V
2.3/0.00.0/ND 0.0/ND
0.0/0.00.0/ND 0.0/ND
0.0/0.00.0/ND 0.0/ND
0.2/0.00.0/ND 0.0/ND
0.0/0.01.2/ND 0.0/ND
0.0/0.0015
5/14/11 5/14/11
5/13/11
5/10/11
5/10/11
5/2511
5/24/11
5/14/11
5/16/11
5/16/11
6/7/11
6/7/11
6/7/11
5/20/11
0.0/ND
0.69 ND
0.86 ND
ND ND
S. B
UR
NS
ID
E A
VE
0.0
M
L90123.A
D
E
FO
8
2
1
M
A
-69235
M
A
-69235
2
1
M
A
-69228
M
A
-69228
C
W
D
D
(C
E
G
) 21
M
A
-72204
3
C
B
-103
M
-111
M
-110
M
-112
M
-114
C
B
-105
M
-115
C
B
-104
M
-15
M
-8
M
-9
M
-10
G
-7
M
-13
M
-14
M
-16
G
-8
M
-12
G
-5
G
-6
M
-11
G
-7A
M
-116
M
-113
400+00400+00580+00580+00
0
20
40
60
80
100
120
140
160
180
200
0
20
40
60
80
100
120
140
160
180
200
0
20
40
60
80
100
120
140
160
180
200
0
20
40
60
80
100
120
140
160
180
200
220
0
20
40
60
80
100
120
140
160
180
200
220
0
20
40
60
80
100
120
140
160
180
200
220
WWC 6
WWC 5
CWDD (CEG) 17
CB-101
M-101
M-102
M-103
CB-102
M-104M-105
M-106
M-108
M-107
G-2
M-1
M-2
G-3
M-4
M-5
G-4
M-6
M-7
M-3
M-109
100
10
1
0.1
0.01
0.001
0.00001
0.00001
0.000001
580+00 400+00560+00 540+00 520+00 500+00 480+00 460+00 440+00 420+00
100
10
0.1
0.01
0.001
0.00001
0.00001
0.000001
1
100
10
0.1
0.01
0.001
0.00001
0.00001
0.000001
1
LA
JO
LLA
A
VE
Hydrogen Sulfide (H₂S)
AS NOTED
PLATE 3-1
STATION 400+00 to 580+00
REV
CONTRACT NO
DRAWING NO
SCALE
SHEET NO
DESIGNED BY
DRAWN BY
CHECKED BY
IN CHARGE
DATE
LOS ANGELES COUNTYMETROPOLITAN TRANSPORTATION AUTHORITY
01/11/2012
L. MORLEY
MBH / PM
JAG / HP
DESCRIPTIONREV DATE BY EXPIRESREG NOAPP SEAL HOLDER
WESTSIDE SUBWAY EXTENSION
PRELIMINARY ENGINEERING
PLOT OF SUBSURFACE GAS DATA
FAIRFAX AREA
UserN
am
e: Larry.M
orley Jan 11, 2012 @
12:50pm
F
ileN
am
e=
> C
:\U
sers\larry.m
orley\D
ocum
ents\C
AD
\4953-11-1421_W
SE
\4953-11-1421_G
as-D
ata-Log-P
lt4.dw
g [P
lt3-1]
ELLIOTT / MUNRO
AL
IG
NM
EN
TE
S
TA
580+
00
PLAN
PLAN
PLAN
PLAN
GAS SYMBOLS
NOTES:
1. Slash "/" indicates year taken (2011/2009)
otherwise all data is 2011
2. W = Water encountered negating Data
3. H = High (off scale)
4. NA = No Measured Data (not available)
5. Ground-Water Level and Date Measured
6. For clarity purposes Geotechnical Borings are
not shown on Plan and Profile. Only Geologic
Units and Contacts are shown on the Profile.
5/26/11
MAXIMUM RECORDED VALUES
During 2009 to 2011
GROUNDWATER SYMBOLS :
Groundwater depth measured in an observation well and date of
measurement (AMEC 2009 - 2011).
Overnight Groundwater depth measured in a boring (AMEC 2011).
Groundwater depth measured during drilling of a boring (AMEC 2011).
Groundwater encountered during drilling (Metro, 2011).
Seepage encountered during drilling (LC, 1969).
12/24/08
0.7
0.7
4
10025
Methane (CH
4
):
< 5% by Volume
5 - 25% by Volume
26 - 100% by Volume
Hydrogen Sulfide (H₂S):
0.7 ppm (Parts Per Million by Volume)
Pressure (H₂O):
0.7 inches of Water
