Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü @ A Bat Ca v e W a s h Ap p r o x i m a t e A re a o f F o rmer P er c ola tio n B ed Sand Blast Shelter Transfer Pumps Sludge Drying Beds Transfer Sump Chromate Reduction Tank Odorant Storage AST To Class II Ponds Portable Waste Oil Storage Tank Clean Water AST Waste Oil Holding AST\ Oil/Water Collection AST Oil/Water Separator (AST) Oil/Water Separator Oil/Water Holding Tank "A" Valve Nest Area Storage Container Storage Building To Class I Ponds Former Scrubber Sump Scrubbers Odorant Day Tank (AST) Chemical Storage ASTs Cooling Tower A Lower Yard Cooling Tower Heat Exchanger Deb ris R av ine Stor a ge A r e a Potable Water Tanks Sulfuric Acid AST Battery Room Fire Water Pump Building (Diesel AST Inside) Precipitation Tank Process Pump Tank Paint Locker Spill Control Storage Area Storage Building (Former Water Conditioning Building) Former Temporary Generator Engine Oil Holding UST Emergency Generator Temporary Generator Engine Oil Holding AST Auxiliary Building Machine Shop Hazardous Materials and Waste Storage Area Maintenance Shop Covered Storage Garage Welding Shop Technical Maintenance Shop Dock Dock Diesel AST Air Dryer Building Septic Tank Leach Field Wash Rack Shed Ea s t R a v in e Auxiliary Jacket Water Coolers Control Building Oil Transfer Tanks Jacket Water Coolers Temporary Compressor Engine Oil Holding ASTs Chemical AST Control Room Waste Oil AST New Oil ASTs (4) Waste Oil Collection Sump Warehouse Loading Dock Car Port Diesel AST Former Diesel UST Fuel Dispenser Former Gasoline UST Gasoline AST District Office Aqua Towers (10) Former Temporary Compressor Engine Oil Holding USTs Compressor Building Dock Teapot Dome Restaurant and Gas Station (Location Approximate) Well Purge Water AST 13" Valve Nest Storage Container Storage Trailer Storage Trailer Transwestern Intertie Transwestern Interconnect Pipeline Fluids AST Odorant Day Tank (AST) Sulfuric Acid AST Chemical Storage ASTs Cooling Tower Heat Exchanger Cooling Tower B Scrubbers Meter Building Chromatograph Building Grit Tank Sump Oily Water Separator System Grit AST Wash Rack Sump PGE-08 0 40 80 120 20 Feet ± 1 inch equals 40 feet LEGEND Current Structures Historic Structures Current Piping Historic Piping FIGURE 3-1 FACILITY LAYOUT RCRA FACILITY INVESTIGATION/REMEDIAL INVESTIGATION REPORT (VOLUME 1) PG&E TOPOCK COMPRESSOR STATION NEEDLES, CALIFORNIA BAO \\ZINFANDEL\PROJ\PACIFICGASELECTRICCO\TOPOCKPROGRAM\GIS\MXD\2006\RFI_FACILITY_LAYOUT_D.MXD RFI_FIG_3_1_FACILITY_LAYOUT_D.PDF 8/10/2006 09:25:00
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BAO \\ZINFANDEL\PROJ\PACIFICGASELECTRICCO\TOPOCKPROGRAM\GIS\MXD\2006\RFI_FACILITY_LAYOUT_D.MXD RFI_FIG_3_1_FACILITY_LAYOUT_D.PDF 8/10/2006 09:25:00
@A
@A
@A
@A@A
@A
@A
@A
Colorado River
BAT
CAVE W
ASH
INTERSTATE
Park M
oabi R
d.
TOPOCKCOMPRESSOR
STATION
PG&E
PGE-2 (Abandoned)
§̈¦40
Topock-2 (Abandoned)
Topock-1 (Abandoned)
PGE-06 (Inactive)
PGE-07 (Inactive)
PGE-1 (Abandoned)
Topock-2A (Active)
Topock-3 (Active)
0 600 1,200300
Feet
±
Legend
@A Production Well
Stream
Ravine
Gravel Road / Area
Paved Road
Water
Building
BAO \\ZINFANDEL\PROJ\PACIFICGASELECTRICCO\TOPOCKPROGRAM\GIS\MXD\2006\RFI_LOCATION_OF_WATER_PRODUCTION_WELLS.MXD RFI_FIG_3_2_LOCATION_OF_WATER_PRODUCTION_WELLS.PDF 8/14/2006 15:31:00
1 inch equals 600 feet
FIGURE 3-2LOCATION OF WATER SUPPLYTOPOCK COMPRESSOR STATIONWELLSRCRA FACILITY INVESTIGATION/REMEDIALINVESTIGATION REPORT (VOLUME 1)
PG&E TOPOCK COMPRESSOR STATIONNEEDLES, CALIFORNIA
Project Area
Las Vegas
Joshua Tree NPPalm Springs
Salton Sea
Mojave NPRES
Death Valley NP
Toiyabe NF
Anza-Borrego Desert State Park
San Diego Metro Area
San Bernardino NF
§̈¦15
§̈¦40
§̈¦10
Nevada
California§̈¦15
£¤93Lake Mead
Colora
do R
iver
§̈¦215
§̈¦8
Las VegasLas Vegas
San BernardinoSan Bernardino
§̈¦10
§̈¦15
§̈¦5
Mojave NPRES
Death Valley NP
Joshua Tree NP
California State Plane Coordinate SystemNAD 83 Zone 5 US. Feet.
Notes:
Wells PGE-1 and PGE-2 abandoned in 1964-1965
Wells Topock-1 and Topock-2 began usage in 1961,abandoned in 1980
Well Topock-2A replaced Topock-2 in 1980
Well Topock-3 installed in 1974
Wells Topock-2A and Topock-3 are City of NeedlesWells and supply water to facility
FIGURE 3-3
SCHEMATIC OF NATURAL GAS FLOW
THROUGH COMPRESSOR STATIONRCRA FACILITY INVESTIGATION/REMEDIAL
INVESTIGATION REPORT (VOLUME 1)
PG&E TOPOCK COMPRESSOR STATION
NEEDLES, CALIFORNIA
ES072006003BAO_RFI-Fig 3-3 Natural Gas Fl.pdf_82806_ll
Compressor(s)
CoolingTower A
CoolingTower B
Line 300A
Line 300B
DischargeHeader
Suction Header
Odorizers
Scrubbers
Scrubbers
Legend: Natural Gas Flow Direction
Line 300A(El Paso)
Line 300B(EL Paso)
Transwestern
EvaporationEvaporation
AquaTower
IntakeAir (for)CompressorEngine
Make-upWater
Intake Air
BlowdownWater
NaturalGas
Make-upWater
Natural Gas
Jacket Cooling Water
LubricatingOil Cooling
WaterLubricating
Oil
HeatExchanger
NaturalGas
IntakeAir
Exhaust Air
Exhaust Air
IntakeAir
ExhaustAir
Auxiliary Jacket Cooling Water
Lubricating Oil Auxiliary Lubricating Oil Cooling Water
HeatExchanger
Compressor EngineCooling Tower
Generator Engine
Auxiliary JacketWater Coolers
Intake Air
Jacket Water Coolers
ExhaustAir
Cooling Coils
Cooling Coils
BAO \\ZINFANDEL\PROJ\PACIFICGASELECTRICCO\TOPOCKPROGRAM\GIS\MXD\2006\RFI_COOL_WATER_SYS.MXD RFI_FIG_3_4_COOL_WATER_SYS.PDF 8/9/2006 13:51:14
FIGURE 3-4SCHEMATIC OF COOLINGWATER SYSTEMSRCRA FACILITY INVESTIGATION/REMEDIALINVESTIGATION REPORT (VOLUME 1)PG&E TOPOCK COMPRESSOR STATIONNEEDLES, CALIFORNIA
LEGEND
Flow Direction
FIG
UR
E 3
-5T
YP
ICA
L C
OIL
SH
ED
CO
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ING
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WE
RR
CR
A F
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ILIT
Y IN
VE
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IGAT
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ME
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L
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PO
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ME
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PG
&E
TO
PO
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MP
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SS
OR
STAT
ION
NE
ED
LE
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ALIF
OR
NIA CH2M
HIL
L
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
FanFansta
ck
Air O
utlet
Drift
Elim
inato
rs
Packin
g
Cold
Wate
r B
asin
Natu
ral G
as
and L
ube
Oil
Coolin
g
Wate
r C
oils
Hot W
ate
r B
asin
Air Inle
t
Make-u
pW
ate
r
Sourc
e:
PG
&E
1995
ES07
2006
003B
AO_R
FI-F
ig 3-
5 Coo
ling T
ower.
pdf_8
1006
_ll
Approximate Location of Former Percolation Bed
#
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August 2001Oily Water Release Area
Debris R
December 2000Wastewater Release Area
October 1995Mercury Release Area
December 2005Bat Cave Wash Wastewater Release Area
Pre 1995 Mercury Spill
Pre 1995 Mercury Spill
Pre 1995 Cooling Water Spill
Aug 2005 Bat Cave Wash Wastewater Release Area
March 2004Scrubber Oil Release Area
June 1996, August 1998,and April 2003
Cooling Water Release Area
August 2002Aqua Tower Release Area
September 2002Grit Tank Release Area
December 2005Grit Tank Release Area
April 2006 and May 2006Wastewater Release Area
December 2005 and April 2006Compressor Lube Oil Release Area
January 2006Jacket Cooling Water
Release Area
BAO \\ZINFANDEL\PROJ\PACIFICGASELECTRICCO\TOPOCKPROGRAM\GIS\MXD\2006\RFI_RELEASE_AREA.MXD RFI_FIG_3_7_RELEASE_AREA.PDF 8/28/2006 13:38:00