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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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Page 1: Ü Ü Ü hs Ü aWe C vaCtB a Ü d AST Ü t W Ü re Ü Ü Ü Ü ÜÜ · PDF fileA p r o x i m a t e L o c a t i o n o f F o r m e r P e r c o l a t i o n B ed # BAO \\ZINFANDEL\PROJ\PACIFICGASELECTRICCO\TOPOCKPROGRAM\GIS\MXD\2006\RFI

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ve W

as

h

Ap

pro

xim

ate

Are

a o

f F

orm

er

Perc

ola

tio

n B

ed

SandBlast

Shelter

TransferPumps

Sludge DryingBeds

TransferSump

ChromateReduction Tank

Od

ora

nt

Sto

rag

e A

ST

To Class IIPonds

Portable Waste Oil Storage Tank

Clean Water AST

Waste OilHolding AST\

Oil/WaterCollection AST

Oil/WaterSeparator (AST)

Oil/WaterSeparator

Oil/WaterHolding Tank

"A" ValveNest Area

Sto

rag

e C

on

tain

er

StorageBuilding

To Class I Ponds

FormerScrubber Sump

Scrubbers

Odorant DayTank (AST)

Chem

ical S

tora

ge A

STs

Coo

ling

Tow

er A

Lower Yard

Coo

ling

Tow

er

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tExc

hang

er

Debris Ravine

Sto

rage A

rea

PotableWater Tanks

Sul

furic

Aci

d AST

Bat

tery

Roo

m

Fire WaterPump Building

(Diesel AST Inside)

PrecipitationTank

ProcessPump Tank

PaintLocker

Spill ControlStorage Area

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rage

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ldin

g

(For

mer

Wat

er

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ditio

ning

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ldin

g)For

mer

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pora

ry G

ener

ator

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ine

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ding

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T

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Generator

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pora

ry G

ener

ator

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ine

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din

g AST

Aux

iliar

y Bui

ldin

g

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ardo

us M

ater

ials

and

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te S

tora

ge A

rea

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CoveredStorage

Garage

WeldingShop

Tech

nica

l

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nten

ance

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pDock

Doc

k

DieselAST

Air

Dry

er

Bui

ldin

g Sep

ticTa

nk

Leac

h Fie

ld

Wa

sh R

ack

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ed

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st R

avin

e

Auxiliary JacketWater Coolers

ControlBuilding

Oil TransferTanks

Ja

cke

t W

ate

r C

oo

lers

Temporary Compressor Engine Oil Holding ASTs

ChemicalAST

Con

tro

lR

oo

m

WasteOil AST

New OilASTs (4)

Waste OilCollection

Sump

Warehouse

Loading Dock

Car Port

Diesel AST

FormerDiesel UST

FuelDispenser

FormerGasoline UST

GasolineAST

DistrictOffice

Aq

ua

To

we

rs (

10

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er

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mp

ora

ry C

om

pre

sso

r E

ng

ine

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ldin

g U

STs

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mp

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rB

uild

ing

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Teapot DomeRestaurant and

Gas Station(Location Approximate)

Well PurgeWater AST

13" ValveNest

Sto

rag

eC

on

tain

er

Sto

rage T

raile

r

Sto

rag

e T

raile

r

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Transwestern Interconnect

Pipeline Fluids AST

Odorant DayTank (AST)

Sulfu

ric

Aci

d A

ST

Chem

ical

Sto

rage A

STs

Coolin

g T

ow

er

Heat

Exc

hanger

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g T

ow

er

B

Scrubbers

MeterBuilding

ChromatographBuilding

GritTankSump

Oily Water Separator System Grit AST

Wash RackSump

PGE-08

0 40 80 12020

Feet

±1 inch equals 40 feet

LEGEND

Current Structures

Historic Structures

Current Piping

Historic Piping

FIGURE 3-1FACILITY LAYOUTRCRA FACILITY INVESTIGATION/REMEDIALINVESTIGATION REPORT (VOLUME 1)

PG&E TOPOCK COMPRESSOR STATIONNEEDLES, 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

Page 2: Ü Ü Ü hs Ü aWe C vaCtB a Ü d AST Ü t W Ü re Ü Ü Ü Ü ÜÜ · PDF fileA p r o x i m a t e L o c a t i o n o f F o r m e r P e r c o l a t i o n B ed # BAO \\ZINFANDEL\PROJ\PACIFICGASELECTRICCO\TOPOCKPROGRAM\GIS\MXD\2006\RFI

@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

Page 3: Ü Ü Ü hs Ü aWe C vaCtB a Ü d AST Ü t W Ü re Ü Ü Ü Ü ÜÜ · PDF fileA p r o x i m a t e L o c a t i o n o f F o r m e r P e r c o l a t i o n B ed # BAO \\ZINFANDEL\PROJ\PACIFICGASELECTRICCO\TOPOCKPROGRAM\GIS\MXD\2006\RFI

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

Page 4: Ü Ü Ü hs Ü aWe C vaCtB a Ü d AST Ü t W Ü re Ü Ü Ü Ü ÜÜ · PDF fileA p r o x i m a t e L o c a t i o n o f F o r m e r P e r c o l a t i o n B ed # BAO \\ZINFANDEL\PROJ\PACIFICGASELECTRICCO\TOPOCKPROGRAM\GIS\MXD\2006\RFI

EvaporationEvaporation

AquaTower

IntakeAir (for)CompressorEngine

Make-upWater

Intake Air

BlowdownWater

NaturalGas

Make-upWater

Natural Gas

Jacket Cooling Water

LubricatingOil Cooling

WaterLubricating

Oil

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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

Page 5: Ü Ü Ü hs Ü aWe C vaCtB a Ü d AST Ü t W Ü re Ü Ü Ü Ü ÜÜ · PDF fileA p r o x i m a t e L o c a t i o n o f F o r m e r P e r c o l a t i o n B ed # BAO \\ZINFANDEL\PROJ\PACIFICGASELECTRICCO\TOPOCKPROGRAM\GIS\MXD\2006\RFI

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Page 6: Ü Ü Ü hs Ü aWe C vaCtB a Ü d AST Ü t W Ü re Ü Ü Ü Ü ÜÜ · PDF fileA p r o x i m a t e L o c a t i o n o f F o r m e r P e r c o l a t i o n B ed # BAO \\ZINFANDEL\PROJ\PACIFICGASELECTRICCO\TOPOCKPROGRAM\GIS\MXD\2006\RFI

Approximate Location of Former Percolation Bed

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Page 7: Ü Ü Ü hs Ü aWe C vaCtB a Ü d AST Ü t W Ü re Ü Ü Ü Ü ÜÜ · PDF fileA p r o x i m a t e L o c a t i o n o f F o r m e r P e r c o l a t i o n B ed # BAO \\ZINFANDEL\PROJ\PACIFICGASELECTRICCO\TOPOCKPROGRAM\GIS\MXD\2006\RFI

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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

±0 50 10025

Feet

1 inch equals 100.0 feet

FIGURE 3-7INCIDENTAL RELEASE LOCATIONSRCRA FACILITY INVESTIGATION/REMEDIALINVESTIGATION REPORT (VOLUME 1)

PG&E TOPOCK COMPRESSOR STATIONNEEDLES, CALIFORNIA

Note: A pre-1995 release from Cooling Tower B to the

Northeast Ravine was also identified; however, the exact path and extent of the release are unknown

The Dec 2005 Bat Cave Wash Wastewater Release originated further west than is depicted

on this map

Page 8: Ü Ü Ü hs Ü aWe C vaCtB a Ü d AST Ü t W Ü re Ü Ü Ü Ü ÜÜ · PDF fileA p r o x i m a t e L o c a t i o n o f F o r m e r P e r c o l a t i o n B ed # BAO \\ZINFANDEL\PROJ\PACIFICGASELECTRICCO\TOPOCKPROGRAM\GIS\MXD\2006\RFI

BAO \\ZINFANDEL\PROJ\PACIFICGASELECTRICCO\TOPOCKPROGRAM\GIS\MXD\2006\RFI_AERIAL_PHOTO_1936.MXD RFI_FIG_3_8_AERIAL_PHOTO_1936.PDF 8/9/2006 10:17:53

RCRA FACILITY INVESTIGATION/REMEDIALINVESTIGATION REPORT (VOLUME 1)

PG&E TOPOCK COMPRESSOR STATIONNEEDLES, CALIFORNIA

FIGURE 3-8AERIAL PHOTOGRAPHJANUARY 12, 1936Date: 01/12/36

Flight/Frame(s): C-3821/75

Source: Fairchild Aerial Photography Collection Whittier College Whittier, CA 90608

Page 9: Ü Ü Ü hs Ü aWe C vaCtB a Ü d AST Ü t W Ü re Ü Ü Ü Ü ÜÜ · PDF fileA p r o x i m a t e L o c a t i o n o f F o r m e r P e r c o l a t i o n B ed # BAO \\ZINFANDEL\PROJ\PACIFICGASELECTRICCO\TOPOCKPROGRAM\GIS\MXD\2006\RFI

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