ARCO #0019

ARCO #0192

ARCO #0192

ARCO #0203cClosed 2-29-00

ARCO #0629

ARCO #0629

ARCO #1023

ARCO #1023

ARCO #1029

ARCO #1047

ARCO #1047

ARCO #1055

ARCO #1064

ARCO #1064

ARCO #1072

ARCO #1077

ARCO #1250

ARCO #1263

ARCO #1365

ARCO #1569cClosed 5/11/94

ARCO #1579

ARCO #1583

ARCO #1583

ARCO #1633

ARCO #1633

ARCO #1812

ARCO #1812

ARCO #1831

ARCO #1865

ARCO #1887

ARCO #1888

ARCO #1905

ARCO #1912

ARCO #1916cClosed 11/17/94

ARCO #1923cClosed 6/8/95

ARCO #1924

ARCO #1941

ARCO #1964cClosed 10/7/94

ARCO #1969

ARCO #1973

ARCO #1994Closed 7-30-2001

ARCO #1998

ARCO #3013

ARCO #3013

ARCO #3015

ARCO #3016

ARCO #3023

ARCO #3042

ARCO #3042

ARCO #3045

ARCO #3053

ARCO #3067Closed 2/11/98

ARCO #3080

ARCO #3085

ARCO #3085

ARCO #3086

ARCO #3091Closed 10-23-96

ARCO #3094

ARCO #5082

ARCO #5084Closed 7/23/99Closed 7/23/99

ARCO #5139

ARCO #5147

ARCO #5168

ARCO #5172

ARCO #5181

ARCO #5185

ARCO #5185

ARCO #5185, GW Elev

ARCO #5202

ARCO #5208

ARCO #5214

ARCO #5214

ARCO #5346

ARCO #5632

ARCO #5831

ARCO #5881

ARCO #6036

ARCO #6036

ARCO #6060

ARCO #6066

ARCO #6071

ARCO #6071

ARCO #6079

ARCO #6110

ARCO #6116

ARCO #6131

ARCO #6144cClosed 5/14/94

ARCO #6160

ARCO #6191

ARCO #6226

ARCO #6226

ARCO #6227

ARCO #6345

Baker Equipment

Beacon Bay, FV

Beacon Bay, NB

Beacon Bay, SA

Chevron #9-0422

Chevron #9-0550

Chevron #9-0863cClosed 4/4/89

Chevron #9-1202

Chevron #9-1825

Chevron #9-1825

Chevron #9-1921

Chevron #9-2789cClosed 8/27/97

Chevron #9-3558cClosed 11/2/99

Chevron #9-3673cClosed 5/14/02

Chevron #9-4887

Chevron #9-5401

Chevron #9-5543

Chevron #9-5568

Chevron #9-5903

Chevron #9-5899

Chevron #9-6287cClosed 4/24/03

Chevron #9-6515

Chevron #9-7056cClosed 9/1/92

Chevron #9-7743cClosed 6/7/03

Chevron #9-8156cClosed 8/1/89

Chevron #9-8474

Chevron #9-8787cClosed 10/4/01

Chevron #9-8809cClosed 7/25/02

Chevron #9-9212

Chevron #9-9398cClosed 9/13/96

Chevron #9-9545cClosed 9/27/02

Chevron #20-6285

Circle K #0311cClosed 5/4/99

Circle K #0340

Circle K #0358

Circle K #0575cClosed 2/6/03

Circle K #0585cClosed 10/24/95

Circle K #0801

Circle K #0837

Circle K #1922

Circle K #5063

Circle K #5217

Exxon #7-0769cClosed 3-1-01Closed 3-1-01

Exxon #7-0833cClosed 2/7/96

Exxon #7-0865

Exxon #7-0945cClosed 10/10/97

Exxon #7-1354Closed

Exxon #7-1488cClosed 1/25/99

Exxon #9-2217

Exxon #7-2218cClosed 7/18/97

Exxon #7-2314

Exxon #7-3333cClosed 5/30/02

Exxon #7-3336cClosed 9/24/87

Exxon #7-3398cClosed 6/17/92

Exxon #7-3515

Exxon #7-3650

Exxon #7-3738

Exxon #7-3738

Exxon #7-3858cClosed 3/7/94

Exxon #7-3915

Exxon #7-4283

Exxon #7-7987

EZ Serve #1000841

Farajami Mobil

G & M Oil #01

G & M Oil #03

G & M Oil #04

G & M Oil #04

G & M Oil #06

G & M Oil #21

G & M Oil #24

G & M Oil #24

G & M Oil #34

G & M Oil #43

G & M Oil #50

Heritage Chevron

J and L Oil Company

Metro Car Wash, CM

Mobil #08-F3HcClosed 7/14/88

Mobil #11-D9R

Mobil #11-D9R

Mobil #11-D9R, GW Elev.

Mobil #11-031cClosed 4.16.96

Mobil #11-E13

Mobil #11-E13

Mobil #11-EBX

Mobil #11-FEE

Mobil #11-FXW

Mobil #11-FXW

Mobil #11-FYE

Mobil #11-FYE

Mobil #11-G2W

Mobil #11-G2W

Mobil #11-G2W, GW

Mobil #11-G31

Mobil #11-G31

Mobil #11-G31, Running Averages

Mobil #11-G3E

Mobil #11-G3E

Mobil #11-G6R

Mobil #11-G6Yc

Mobil #11-G7G

Mobil #11-G7Rc

Mobil #11-GLG

Mobil #11-GTB

Mobil #11-H9N

Mobil #11-H9N

Mobil #11-KAVc

Mobil #18-031MW1 33.8315952 -117.9929076MW2 33.8316377 -117.9927501MW3 33.8314791 -117.9931635MW4 33.8317618 -117.9931797

Mobil #18-106cClosed 2-9-98

Mobil #18-182

Mobil #18-378

Mobil #18-465

Mobil #18-532, Costa Mesa

Mobil #11-532

Mobil #18-532, Costa Mesa

Mobil #18-668

Mobil #18-793GW Pumping

Mobil #18-824

Mobil #18-824

Mobil #18-824, GW

Mobil #18-826

Mobil #18-833

Mobil #18-837

Mobil #18-837

Mobil #18-912

Mobil #18-991

Mobil #18-A3E

Mobil #18-A5D

Mobil #18-A5D

Mobil #18-AAA

Mobil #18-AAA

Mobil #18-AAH

Mobil #18-ARM

Mobil #18-B4W

Mobil #18-D0D

Mobil #18-D3H

Mobil #18-D7E

Mobil #18-D8H

Mobil #18-D8H

Mobil #18-EFRcClosed 11/6/98

Mobil #18-ELG

Mobil #18-F1WcClosed 6/10/03

Mobil #18-F1M

Mobil #18-F34

Mobil #18-F34

Mobil #18-FFHcClosed 5/24/02

Mobil #18-FHE

Mobil #18-FLM

Mobil #18-FNW

Mobil #18-FNW

Mobil #18-FNW

Mobil #18-G0E

Mobil #18-G3W

Mobil #18-G4R

Mobil #18-G6B

Mobil #18-G6G

Mobil #18-G6G

Mobil #18-G6Y

Mobil #18-GFC

Mobil #18-GQ0

Mobil #18-GQT

Mobil #18-GWN

Mobil #18-GWVcClosed 8-11-98

Mobil #18-GVJ

Mobil #18-GX7

Mobil #18-H59c Closed 11/6/98

Mobil #18-H7Q

Mobil #18-HCN

Mobil #18-HCN

Mobil #18-HD4

Mobil #18-HDR

Mobil #18-HE1

Mobil #18-HEPcClosed 7/21/92

Mobil #18-HGC

Mobil #18-HGK

Mobil #18-HFK

Mobil #18-HFK

Mobil #18-HPH

Mobil #18-HJL

Mobil #18-HNR

Mobil #18-HT6

Mobil #18-HTY

Mobil #18-HVF

Mobil #18-J9X

Mobil #18-JMY

Mobil #18-JMY

Mobil #18-JP5cClosed 12-31-2001

Mobil #18-JPVcClosed 6/21/96

Mobil #18-JQY

Mobil #18-KA8

Mobil #18-KBD

Mobil #18-KBV

Mobil #18-KGW

Mobil #18-LCC

Mobil #99-A8Q

Mobil Bulk Plant

P & M Oil Station #971

Pricedless Fuels

Rapid Gas #25

Shell #1201 (DIPE)

Shell #3840

Shell #4001

Shell #6502

Shell #8990

Shell #18976

Shell #23971

Shell #23971

Texaco #

Thrifty Oil #008

Thrifty Oil #014

Thrifty Oil #014

Thrifty Oil #015

Thrifty Oil #075

Thrifty Oil #084cClosed 2/23/00, aka ARCO #9555

Thrifty Oil #085

Thrifty Oil #134

Thrifty Oil #139

Thrifty Oil #150

Thrifty Oil #151

Thrifty Oil #182

Thrifty Oil #301

Thrifty Oil #302

Thrifty Oil #302

Thrifty Oil #338

Thrifty Oil #340

Thrifty Oil #340, Riverside, GW Elev.

Thrifty Oil #341

Thrifty Oil #342

Thrifty Oil #343

Thrifty Oil #345

Thrifty Oil #345

Thrifty Oil #351

Thrifty Oil #353

Thrifty Oil #356

Thrifty Oil #356

Thrifty Oil #357

Thrifty Oil #358cClosed 7/3/02

Thrifty Oil #359

Thrifty Oil #360

Thrifty Oil #361

Thrifty Oil #361

Thrifty Oil #365cClosed 8/7/02

Thrifty Oil #368

Thrifty Oil #370

Thrifty Oil #371

Thrifty Oil #372

Thrifty Oil #372

Thrifty Oil #374

Thrifty Oil #374

Thrifty Oil #375

Thrifty Oil #376

Thrifty Oil #377

Thrifty Oil #380

Thrifty Oil #380

Thrifty Oil #383

Thrifty Oil #384

Thrifty Oil #385

Thrifty Oil #385

Thrifty Oil #386

Ultramar #750

Union Car Wash / Beacon Bay

Unocal #0014

Unocal #0379

Unocal #0807Closed 12/21/98

Unocal #2281cClosed //

Unocal #2417

Unocal #2885

Unocal #2908

Unocal #3494

Unocal #3530Closed 5-1-2002

Unocal #3670

Unocal #3797Closed 6-1-2002

Unocal #4050Closed 3-26-1999

Unocal #4107

Unocal #4614

Unocal #4629

Unocal #4686

Unocal #4727

Unocal #4773

Unocal #4778

Unocal #4781cClosed 10/28/94

Unocal #4814

Unocal #4814

Unocal #4970

Unocal #4911

Unocal #4914

Unocal #4966

Unocal #4975

Unocal #4992

Unocal #5000

Unocal #5017cClosed 7/31/97

Unocal #5067

Unocal #5077

Unocal #5078

Unocal #5089Closed 4-8-1997

Unocal #5094

Unocal #5106

Unocal #5123

Unocal #5123

Unocal #5156

Unocal #5169

Unocal #5198

Unocal #5225

Unocal #5225

Unocal #5226

Unocal #5226

Unocal #5274

Unocal #5279

Unocal #5280

Unocal #5285

Unocal #5297Closed 3-10-2000

Unocal #5310Closed 4-12-1999

Unocal #5330Closed 10-27-1997

Unocal #5336

Unocal #5356

Unocal #5356

Unocal #5371

Unocal #5372, Yorba Linda

Unocal #5376

Unocal #5376

Unocal #5386

Unocal #5398

Unocal #5399Closed 9-24-1997

Unocal #5404

Unocal #5408

Unocal #5422

Unocal #5422

Unocal #5429Closed 11-20-1996

Unocal #5436Closed 8-8-1997

Unocal #5511

Unocal #5548

Unocal #5552

Unocal #5592

Unocal #5592

Unocal #5599

Unocal #5599

Unocal #5607Closed 7-13-1999

Unocal #5618cClosed 4/25/03

Unocal #5618cClosed 4/25/03

Unocal #5635

Unocal #5646

Unocal #5672

Unocal #5678

Unocal #5762Closed 3-16-1998

Unocal #5825

Unocal #5863cClosed 12/20/94

Unocal #5869cClosed 7-15-1999

Unocal #5887

Unocal #5888

Unocal #5888

Unocal #5908cClosed 4/21/99

Unocal #5909Closed 3-10-2000

Unocal #5915

Unocal #5930

Unocal #6056

Unocal #6297

Unocal #6355Closed 9-3-1996

Unocal #6356

Unocal #6404

Unocal #6428

Unocal #6435

Unocal #6473

Unocal #6519

Unocal #6521

Unocal #6521

Unocal #6525

Unocal #6537

Unocal #6839

Unocal #6839

Unocal #6926

Unocal #6968cClosed 6/25/97

Unocal #6975

Unocal #7462

Unocal #7470

Unocal #7470

Unocal #7470, WT Elev.

USA Gasoline #241

USA Gasoline #234

Class I Site 1772, 130,000 ppbA total of approx. 26,566 pounds of petroleum hydrocarbons have been removed from the subsurface since remedial activities were intiated in May 1996.Class I site - 1245, 210,000 ppb sub- sea level water table 3 miles InlandClass I site - 1675, 63500 ppbClass I site - 1545, 59000 ppbClass I site - 1538, 80,000 ppbClass I site - 1411, 360,000 ppbA total of approx. 10,391 pounds of petroleum hydrocarbon have been removed from the subsurface since the system was started on July 10, 1995Beacon Bay Car Wash, Newport BeachPeaking in 4th Qtr 2000 @ 230,000 ppb MtBEClass I site - 1932, 9,500,000 ppbClass I site - 1500, 120,000 ppbCircle K, #0801, RiversidePeaking in 1st Qtr 2000 @ 320,000 ppb MtBECircle K #0837, Lake ElsinoreClass I site - 417, 160,000 ppbPeaking in 1st Qtr 2000 @1,300,000 ppb MtBEClass I site - 339, 210,000 ppbCurrent Land Use is Bank of America Drive-up Window Area

Current Land Use is Bank of America Drive-up Window AreaOperating Mobil Station

Farajami MobilClass I site - 339, 210,000 ppbG & M Oil #06Class I site - 1730, 325,000 ppbG & M Oil #24, Santa AnaClass I site - 1977, 1,200,000 ppbJ & L Oil Company, Fountain ValleyClass I site - 1064, 101,600 ppbMobil #11-D9R, Huntington BeachClass I site - 1792, 96,000 ppbMobil #11-FEE, CypressClass I site - 364, 350,000 ppbMobil #11-G6R, Huntington BeachClass I site - 369, 420,000 ppbMobil #11-GTB, Garden GroveClass I site - 1427, 51,000 ppbMW1MW11/27/0133.8315952-117.9929076MW2MW11/27/0133.8316377-117.9927501MW3MW11/27/0133.8314791-117.9931635MW4MW11/27/0133.8317618-117.9931797

Mobil #18-991, Lake ElsinoreClass I site - 1382, 330,000 ppbMobil #18-D8H, RiverisdeClass I site - 1428, 57,000 ppbAs of 9/14/04, 3803 lbs of hydrocarbon-containing vaporsMobil #18-GFC, Big Bear LakeClass I site - 578, 1,400,000 ppbMobil #18-GWN, Garden GroveClass I site - 565, 130,000Mobil #18-HCN, Santa AnaClass I site - 1760, 62,400 ppb Mobil #18-HEP, Santa AnaClass I site - 1260, 100,000 ppbMobil #18-HJ6, CoronaClass I site - xxxx, 160,000 ppbMobil #18-JMY, Costa MesaClass I site - 602, 632,000 ppbP & M Stations #971, La HabraClass I site - 1605, 120,000 ppb MtBEPricedless Fuels, Fountain ValleyClass I site - 751, 99, 013 ppb MtBEShell #4001, CypressClass I site - 822, 64,000 ppb MtBEShell #8990, WestminsterClass I site - 899270,000 ppb

Texaco, Buena ParkClass I site - 1587, 140,000 ppb MtBEFree Product appeared dramatically in 2nd Qtr 99, w/ 1.33 in MW-01.Union Car Wash / Beacon Bay, Santa AnaClass I site -1887,51,000 ppb MtBETaco Bell for approx. ???? yearsUnocal #5356, Santa AnaClass I site -1592,1,900,000 ppb MtBEUnocal / Tosco #5372Class I site -110,000 ppb MtBEUnocal #5422, Santa AnaClass I site -1295,82,000 ppb MtBEUnocal #5599, Buena ParkClass I site -1360,210,000 ppb MtBEUnocal #5646, Laguna HillsClass I site -53, 000 ppb MtBE