J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES 101 CALIFORNIA STREET--SANTA MONICA, CA 02/01/63 05/01/64 Standard 20TH CENTURY FOX--CENTURY CITY, CA 01/01/27 12/31/59 Standard 2ND & SPRINGS ST--LOS ANGELES, CA 03/01/49 03/31/49 Low 3440, 3450, 3460 WILSHIRE BLVD--LOS ANGELES, CA 10/01/52 10/31/52 Low 3M COMPANY--CAMARILLO, CA 12/01/66 01/31/68 Low 3M COMPANY--CORONA, CA 10/01/47 10/31/47 Standard 5012 ONTEORA WAY--EAGLE ROCK, CA 11/01/51 11/30/51 Low 948 E. 2ND STREET--LOS ANGELES, CA 01/01/33 12/31/43 Low A. JOHNSON & COMPANY--OXNARD, CA 04/01/71 07/31/71 Low A.M. CASTLE COMPANY--VERNON, CA 04/01/64 04/30/64 Low AARON FERER & SON--LOS ANGELES, CA 04/01/57 05/31/68 Standard p ABEX--BALTIMORE, MD 04/01/68 04/30/68 Low researchp 09.20.07 ABEX--CHICAGO, IL 01/01/67 01/31/67 Low research 09.20.07 ABEX--POMONA, CA 08/01/62 01/31/67 Standard ACE FOUNDRY--HUNTINGTON PARK, CA 01/01/38 07/31/76 Standard ACE STEAMSHIP COMPANY--LONG BEACH, CA 02/01/57 02/28/57 Low ACME BREWING CO--VERNON, CA 01/01/41 03/31/52 Standard ACME BRICK COMPANY--SANTA MONICA, CA 01/01/26 12/31/26 Low ACTION TRUCKING CO--LONG BEACH, CA 06/01/46 06/30/46 Low ADVANCE TANK COMPANY--LOS ANGELES, CA 06/01/59 11/30/59 Low AEROJET-GENERAL CORPORATION--ANAHEIM, CA 12/01/69 12/31/69 Low AEROJET-GENERAL CORPORATION--AZUSA, CA 06/01/59 10/31/61 Low AEROJET-GENERAL CORPORATION--DOWNEY, CA 08/01/60 06/30/62 Standard AEROJET-GENERAL CORPORATION--FULLERTON, CA 08/01/68 01/31/76 Standard AEROJET-GENERAL CORPORATION--NIMBUS, CA 05/01/63 05/31/63 Low AERONCA MANUFACTURING COMPANY--TORRANCE, CA 10/01/60 10/31/60 Low AETNA METALS COMPANY--EL SEGUNDO, CA 07/01/57 01/31/63 Standard AFFILIATED METALS--LOS ANGELES, CA 11/01/72 11/30/72 Low AGRASHELL INC/ AGICIDE LABS--LOS ANGELES, CA 01/01/43 06/30/45 Standard AIRCRAFT ACCESSORIES CORPORATION--BURBANK, CA 01/01/43 12/31/43 Low AIRCRAFT BOLT COMPANY--MONTEREY PARK, CA 09/01/60 09/30/60 Low AIREON MANUFACTURING CORPORATION--BURBANK, CA 04/01/45 04/30/45 Low AIRESEARCH CORPORATION--LOS ANGELES, CA 07/01/76 07/31/76 Low AIRESEARCH CORPORATION--PHOENIX, AZ 08/01/56 08/31/56 Low AIRESEARCH CORPORATION--TORRANCE, CA 01/01/78 12/31/85 Standard AIROX CORPORATION--SANTA MARIA, CA 12/01/71 02/28/75 Standard AJAX FORGE COMPANY--VERNON, CA 01/01/53 01/31/53 Low ALABAMA PIPE COMPANY--SOUTH GATE, CA 04/01/58 04/30/58 Low ALAMEDA TANK COMPANY--LOS ANGELES, CA 06/01/72 06/30/72 Low ALCAN ALUMINUM CORPORATION--RIVERSIDE, CA 01/01/27 09/30/75 Standard ALCO STEAMSHIP COMPANY, INC.--WILMINGTON, CA 01/01/45 12/31/45 Low ALEX ROBERTSON COMPANY--LOS ANGELES, CA 05/01/66 05/31/66 Low ALEXANDER H. KERR & COMPANY--SANTA ANA, CA 11/01/49 02/28/68 Standard ALEXANDRIA HOTEL--LOS ANGELES, CA 01/01/29 12/31/29 Low ALFRED ICE CREAM COMPANY--TIPTON, CA 01/01/27 12/31/27 Low ALHAMBRA FOUNDRY COMPANY, LIMITED--ALHAMBRA, CA 01/01/39 12/31/39 Low ALHAMBRA HIGH SCHOOL--ALHAMBRA, CA 01/01/27 12/31/27 Low ALLEGHENY-LUDLUM STEEL CORPORATION--LOS ANGELES, CA 01/01/43 03/31/62 Standard ALLIED CHEMICAL--ANACORTES, WA 01/01/74 01/31/74 Low ALLIED CHEMICAL--CARSON, CA 06/01/73 09/30/75 Low

04/10/2012 1 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES ALLIED CHEMICAL--EL SEGUNDO, CA 01/01/45 03/31/74 Standard ALLIS-CHALMERS--OXNARD, CA 02/01/74 02/28/74 Low ALLISON STEEL MANUFACTURING COMPANY--HELENA, AZ 01/01/65 01/31/68 Low ALLISON STEEL--PHOENIX, AZ 04/01/66 04/30/66 Low ALLISON STEEL--TEMPE, AZ 08/01/66 08/31/66 Low ALPASE--DOWNEY, CA 07/01/71 07/31/71 Low ALTAMIL CORP--SANTA ANA, CA 11/01/74 11/30/74 Low ALUMAX--RIVERSIDE, CA 01/01/70 12/31/79 Standard ALUMINUM ALLOY CASTING COMPANY-- LOS ANGELES, CA 01/01/37 12/31/37 Low ALUMINUM COMPANY OF AMERICA (ALCOA)--LOS ANGELES, CA 04/01/65 04/30/65 Low ALUMINUM COMPANY OF AMERICA (ALCOA)--RIVERSIDE, CA 12/01/73 12/31/73 Low ALUMINUM COMPANY OF AMERICA (ALCOA)--TORRANCE, CA 01/01/42 08/31/64 Low ALUMINUM COMPANY OF AMERICA (ALCOA)--VERNON, CA 01/01/40 12/31/84 High ALUMINUM EXTRUSION COMPANY--LOS ANGELES, CA 06/01/57 12/31/88 Standard ALUMINUM PLANT--EL MONTE ,CA 01/01/71 12/31/86 Standard ALUMINUM PROCESSORS, INC.--PHOENIX, AZ 09/01/59 09/30/60 Low ALVADALE APARTMENTS (1443 N. ALVARADO)--LOS ANGELES, CA 05/01/46 05/31/46 Low AMATEX CORPORATION--LOS ANGELES, CA 10/01/73 10/31/73 Low AMAX CARBON PRODUCTS--BAKERSFIELD, CA 01/01/72 08/31/73 Low AMERCARGO CORPORATION--LONG BEACH, CA 06/01/70 06/30/70 Low AMERICAN AIRLINES--LOS ANGELES INTERNATIONAL AIRPORT (LAX), CA 04/01/46 04/30/46 Low AMERICAN BITULMUIS COMPANY--INGLEWOOD, CA 01/01/43 12/31/43 Low AMERICAN BRAZING COMPANY--LOS ANGELES, CA 05/01/45 05/31/45 Low AMERICAN BRIDGE--VERNON, CA 05/01/64 05/31/64 Low AMERICAN CAN COMPANY--LOS ANGELES (SANTA FE AVENUE) 04/01/74 04/30/74 Low AMERICAN CAN COMPANY--LOS ANGELES, CA (TERMINAL ANNEX) 01/01/74 12/31/74 Standard AMERICAN CAN COMPANY--VERNON, CA 02/01/56 10/31/70 Standard AMERICAN CAN COMPANY--WILMINGTON, CA 12/01/65 06/30/66 Low AMERICAN CEMENT COMPANY RIVERSIDE DIVISION--CRESTMORE, CA 01/01/72 12/31/73 Low AMERICAN CEMENT COMPANY RIVERSIDE DIVISION--RIVERSIDE, CA 01/01/68 12/31/73 Standard AMERICAN CERAMICS PRODUCTS INC--SANTA MONICA, CA 06/01/48 04/30/52 Standard AMERICAN CHEMICAL CORPORATION--LONG BEACH, CA 12/01/60 02/28/67 Standard AMERICAN CHEMICAL CORPORATION--WATSON, CA 01/01/65 04/01/70 Standard AMERICAN CHEMICAL CORPORATION--WILMINGTON, CA 04/01/72 04/30/72 Low AMERICAN CONTAINER--LOS ANGELES, CA 11/01/51 11/30/51 Low AMERICAN CYANAMID COMPANY--AZUSA, CA 06/01/46 12/31/78 Standard AMERICAN CYANAMID COMPANY--SAVANNAH, GA 10/01/68 08/30/69 Low AMERICAN CYANAMID COMPANY--WESTWEGO, LA 01/01/78 12/31/78 Low AMERICAN EXPORT LINES--LONG BEACH, CA 02/01/67 02/28/67 Low AMERICAN FISHERIES--SAN DIEGO, CA 01/01/41 12/31/41 Low AMERICAN FOREST PRODUCTS CORPORATION--SANTA FE SPRINGS, CA 06/01/59 06/30/59 Low AMERICAN GYPSUM COMPANY--ALBUQUERQUE, NM 10/01/63 10/31/63 Low pj AMERICAN HAIR & FELT COMPANY--LOS ANGELES, CA 01/01/29 01/31/29 Low research 12.13.06 AMERICAN HOIST COMPANY--IRWINDALE, CA 11/01/66 11/30/66 Low AMERICAN LUMBER & TREATING COMPANY--WILMINGTON, CA 03/01/48 03/31/48 Low AMERICAN MACHINE & FOUNDRY COMPANY--PACOIMA, WA 04/01/56 04/30/56 Low AMERICAN MANGANESE STEEL DIVISION--LOS ANGELES, CA 04/01/51 06/30/62 Standard AMERICAN MANGANESE STEEL DIVISION--VERNON, CA 08/01/49 07/31/60 Standard AMERICAN MINERALS COMPANY--LOS ANGELES, CA 10/01/47 10/31/47 Low AMERICAN MINERALS COMPANY--SAN PEDRO, CA 01/01/37 12/31/38 Low

04/10/2012 2 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES AMERICAN OIL COMPANY--SALT LAKE CITY, UT 11/01/71 11/30/72 Standard AMERICAN PACIFIC STEAMSHIP COMPANY--LOS ANGELES, CA 02/01/47 02/28/47 Low AMERICAN PIPE & STEEL CORPORATION--ALHAMBRA, CA 11/01/54 12/31/55 Low AMERICAN POTASH & CHEMICAL CORPORATION--HENDERSON, NV 01/01/56 11/30/60 Low AMERICAN POTASH & CHEMICAL CORPORATION--LOS ANGELES, CA 12/01/54 09/30/66 Low AMERICAN POTASH & CHEMICAL CORPORATION--VERNON, CA 03/01/59 03/31/59 Low AMERICAN PROCESSING CO, SAN DIEGO, CA 11/01/47 11/30/47 Low AMERICAN RESEARCH CORPORATION--LOS ANGELES, CA 07/01/65 07/31/65 Low AMERICAN SMELTING & REFINING COMPANY--HAYDEN, AZ 01/01/73 01/31/73 Low AMERICAN SMELTING & REFINING COMPANY--LOS ANGELES, CA 01/01/43 01/31/74 Standard AMERICAN SMELTING & REFINING COMPANY--VERNON, CA 01/01/39 01/31/69 Standard AMERICAN STANDARD PLUMBING & HEATING DIVISION--TORRANCE, CA 09/01/47 12/31/80 Standard AMERICAN TRADING & PRODUCTION, REDONDO BEACH, CA 02/01/70 02/28/70 Low AMERICAN-MARIETTA COMPANY OF CALIFORNIA--LOMPOC, CA 12/01/51 12/31/51 Low AMERON COMPANY--BREA, CA 11/01/75 11/30/75 Low AMERON COMPANY--ETIWANDA, CA 07/01/76 07/31/76 Low AMERON COMPANY--SAN PEDRO, CA 03/01/74 03/31/74 Low pj AMETEK ALUMINUM--ALAHAMBRA, CA 09/01/77 09/30/77 Low researchpj 11.15.07 AMETEK ALUMINUM--CARSON YARD, CA 11/01/84 11/30/84 Low researchpy p 11.15.07 AMETEK ALUMINUM--LOS ANGELES, CA 05/01/71 08/30/88 Standard additional job bookpj research 11.15.07 AMETEK ALUMINUM--TEMECULA, CA 06/01/78 06/30/78 Low research 11.15.07 AMLING, CLARENCE, ROSES, INC.--SANTA ANA, CA 01/01/35 07/31/51 Standard AMOCO CHEMICAL CORPORATION--SANTA FE SPRINGS, CA 08/01/75 08/31/75 Low pj ANACONDA AMERICAN BREASS--PARAMOUNT, CA 08/01/74 01/31/75 Standard research 12.13.06 ANACONDA COPPER MINING COMPANY--GRANTS, NM 04/01/53 05/31/53 Low ANAHEIM CITRUS PRODUCTS COMPANY--ANAHEIM, CA 04/01/45 04/30/46 Standard ANCHOR POST PRODUCTS CO--WHITTIER, CA 11/01/55 03/31/70 Low ANDREW BROWN CO--MAYWOOD, CA 01/01/44 12/31/44 Low ANDREW JERGENS CO--BURBANK, CA 08/01/53 08/31/53 Low ANGELUS BLOCK COMPANY--BURBANK, CA 07/01/53 07/31/53 Low ANGELUS HOSPITAL, LOS ANGELES, CA 01/01/26 12/31/59 Standard ANGELUS STEEL TREATING CO--VERNON, CA 01/01/40 04/30/48 Standard ANHEUSER-BUSCH BREWERY (BUDWEISER)--VAN NUYS, CA 01/01/34 05/31/72 Standard APACHE POWDER CO--BENSON, AZ 08/01/54 07/31/57 Low APEX INTERNATIONAL ALLOYS--CARSON, CA 01/01/77 12/31/77 Low APEX LIME--LAS VEGAS, NV 06/01/59 06/30/59 Low APEX SMELTING COMPANY--LONG BEACH, CA 01/01/26 06/30/76 High APEX STEEL CORPORATION--LOS ANGELES, CA 12/01/45 12/31/45 Low APROS CORP--TUSTIN, CA 01/01/75 12/31/75 Standard AR HAAS CHEMICAL CO--SOUTHGATE, CA 01/01/34 12/31/34 Standard ARCATA GRAPHICS--VERNON, CA 01/01/74 01/31/74 Low ARCO FACILITY--CARSON/WILMINGTON, CA (AKA ATLANTIC RICHFIELD, RICHFIELD OIL) 01/01/42 10/06/87 High Based upon additional job book research 04.20.10 ARCO MARINE, INC.--LONG BEACH, CA 08/01/48 07/31/75 Standard ARCO REFINERY--CHERRY POINT, FERNDALE, WA 09/01/70 04/30/71 Low ARCO TWIN TOWERS--LOS ANGELES, CA 01/01/70 12/31/79 Standard ARDEN FARMS--LOS ANGELES, CA 01/01/46 01/31/46 Low ARIZONA BREWING COMPANY--PHOENIX, AZ 04/01/51 03/31/62 Low ARIZONA CHEMCOPPER--BAGDAD, AZ 10/01/65 01/31/66 Standard ARIZONA PORTLAND CEMENT CO--RILLITO, AZ 04/01/49 12/31/86 Standard ARIZONA PORTLAND CEMENT CO--TUSCON, AZ 01/01/76 12/31/77 Standard

04/10/2012 3 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES ARIZONA POWER AND LIGHT, AZ 01/01/38 11/30/49 Standard ARIZONA PUBLIC SERVICE CO, AZ 10/01/65 10/31/65 Low ARIZONA STATE HOSPITAL--PHOENIX, AZ 10/01/47 10/31/47 Low ARIZONA STATE TEACHER'S COLLEGE--FLAGSTAFF, AZ 01/01/36 12/31/36 Low ARIZONA STATE TEACHER'S COLLEGE--TEMPE, AZ 01/01/36 07/31/57 Standard ARMCO STEEL--TORRANCE, CA 01/01/66 04/30/74 Standard ARMOUR & COMPANY--LOS ANGELES, CA 01/01/36 12/31/42 Standard ARROW PLATING CO--LOS ANGELES, CA 07/01/46 08/31/74 Standard ARROWHEAD PRODUCTS--LOS ALAMITOS, CA 04/01/73 01/31/74 Low ARROWHEAD PURITAS WATER CO--LOS ANGELES, CA 01/01/42 11/30/62 Low ASHLAND CHEMICAL C0--MOJAVE, CA 10/01/75 10/31/75 Low ASSOCIATED BANNING COMPANY--WILMINGTON, CA 01/01/43 12/31/43 Low ASSOCIATED MOLDING CO--LOS ANGELES, CA 06/01/46 10/31/46 Low ASSOCIATED OIL CO (REDONDO TRACT VILLAGE)-- REDONDO BEACH, CA 01/01/26 12/31/26 Low ASSOCIATED OIL--ARTESIA, CA (AKA TIDE WATER ASSOCIATED OIL CO.) 01/01/26 12/31/26 Low ASSOCIATED OIL--BALDWIN HILLS, CA 01/01/26 12/31/26 Low ASSOCIATED OIL--BULL HEAD POINT, CA 01/01/26 12/31/26 Low ASSOCIATED OIL--HUNTINGTON BEACH, CA 01/01/26 12/31/26 Low ASSOCIATED OIL--LOS NIETOS, CA 01/01/26 12/31/26 Low ASSOCIATED OIL--SAN PEDRO, CA 01/01/26 10/31/59 Standard ASSOCIATED OIL--SANTA FE SPRINGS, CA 01/01/26 12/31/26 Low ASSOCIATED OIL--SANTA RITA, CA 01/01/26 12/31/26 Low ASSOCIATED OIL--SEAL BEACH, CA 01/01/26 12/31/59 Low ASSOCIATED OIL--SIGNAL HILL, CA 01/01/26 12/31/26 Low ASSOCIATED OIL--VENTURA, CA 04/01/48 12/31/55 Standard ASSOCIATED OIL--WILMINGTON/WATSON, CA (AKA TIDE WATER ASSOCIATED OIL CO.) 01/01/26 12/31/59 High ASSOCIATED PIPING AND ENGINEERING--COMPTON, CA 09/01/71 09/30/71 Low ASSOCIATED SUPPLY CO--WILMINGTON, CA 01/01/26 12/31/26 Low ASTECH--SANTA ANA, CA 10/01/73 10/31/73 Low ATASCADERO STATE HOSPITAL--ATASCADERO, CA 01/01/60 12/31/69 Standard ATCHISON, TOPEKA & SANTA FE RAILROAD--REDONDO BEACH, CA 01/01/26 04/12/67 Low ATCHISON, TOPEKA & SANTA FE RAILROAD--SAN BERNARDINO, CA 03/01/47 03/31/47 Low ATHENS GASOLINE COMPANY/GENERAL PETROLEUM--LOS ANGELES, CA 01/01/26 02/28/59 Low ATKINSON BRICK CO--LOS ANGELES, CA 01/01/77 12/31/82 Low ATLAS CARBON & CLAY COMPANY--GLENDALE, CA 01/01/43 12/31/43 Low ATLAS FIREBRICK COMPANY--SAN BERNARDINO, CA 01/01/26 12/31/59 Standard ATOMICS INTERNATIONAL--CHATSWORTH, CA 08/01/73 08/31/73 Low AUDIO MAGNETICS--IRVINE, CA 01/01/81 12/31/81 Low AUSTIN COMPANY OFFICE BLDG--1660 WILSHIRE BLVD., LOS ANGELES, CA 10/01/51 10/31/51 Low AUTOMOTIVE BATTERY DIVISION-CITY OF INDUSTRY, CA 01/01/77 12/31/77 Low AUTONETICS--ANAHEIM, CA 02/01/64 02/28/64 Low AVALON CLEANERS--CULVER CITY, CA 08/01/64 08/31/64 Low AVERILL-MORGAN CO--HOLLYWOOD, CA 01/01/39 03/31/55 Standard AVION INC--VERNON, CA 01/01/44 12/31/44 Low AXELSON MANUFACTURING COMPANY--VERNON, CA 01/01/42 07/31/55 Standard p B.F. GOODRICH CHEMICAL CO--CALVERT CITY, KY 08/01/54 08/31/54 Low research 09.20.07 B.F. GOODRICH CHEMICAL CO--LONG BEACH, CA 01/01/39 09/30/57 Low B.F. GOODRICH COMPANY--NORWALK, CA 11/01/60 11/30/60 Low B.F. GOODRICH--LOS ANGELES, CA 01/01/36 11/30/70 Standard BAASH-ROSS TOOL CO--LOS ANGELES, CA 01/01/27 12/31/28 Low

04/10/2012 4 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES BAKERSFIELD GENERAL HOSPITAL, BAKERSFIELD, CA 01/01/68 12/31/68 Standard BALBOA BREWING CO--(AKA CHIEF BREWING CO.), LOS ANGELES, CA 01/01/34 12/31/34 Low BALL CORPORATION--EL MONTE, CA 06/01/71 06/30/71 Low BANDINI FERTILIZER CO--VERNON, CA 07/01/65 08/31/66 Low BANK OF AMERICA--SANTA BARBARA, CA 01/01/67 12/31/67 Standard BANKLINE OIL COMPANY--BAKERSFIELD, CA 10/01/59 03/31/61 Standard BARNSDALL OIL COMPANY--ELLWOOD, CA 01/01/36 12/31/36 Low BARNSDALL OIL COMPANY--NEWHALL, CA 06/01/48 06/30/48 Low BARON INDUSTRIES--LOS ANGELES, CA 06/01/59 06/30/59 Low BARRINGTON MOBAR INC--TORRANCE, CA 02/01/76 02/28/76 Low BARRINGTON-PLAZA APARTMENTS--LOS ANGELES, CA 05/01/62 03/31/64 Low BARTLETT-SNOW PACIFIC--BRISBANE, CA 04/06/64 04/30/64 Low BASIC MAGNESIUM CORPORATION-LAS VEGAS, NV 01/01/41 12/31/42 Low BASIC REFRACTORIES--GABBS, NV 08/01/50 08/31/50 Low BATES MARINE LINE--SAN PEDRO, CA 01/01/47 01/31/47 Standard BATTENFELD GREASE & OIL CORPORATION--COMPTON, CA 08/01/54 08/31/54 Low BECHTEL--WILMINGTON, CA 08/01/48 08/31/48 Low BEESON ENGINEERING CO--LOS ANGELES, CA 04/01/52 04/30/52 Low BELL AND HOWELL COMPANY--IRVINE, CA 04/01/70 04/30/70 Low BELL FOUNDRY--SOUTHGATE, CA 01/01/64 12/31/79 Low BELL OIL & REFINING--SANTA MARIA, CA 01/01/43 01/31/45 Low BELLRIDGE OIL COMPANY--BAKERSFIELD, CA 01/01/37 12/31/37 Low BELVEDERE JUNIOR HIGH SCHOOL--LAUSD--LOS ANGELES, CA 01/01/26 12/31/26 Low BENDIX--NORTH HOLLYWOOD, CA 01/01/45 08/31/49 Standard BERG IRON & METAL CORPORATION--(AKA BERG FOUNDRY-- LOS ANGELES, CA 01/01/35 12/31/35 Low pj BETHLEHEM STEEL SHIPYARD--SAN PEDRO, CA (AKA BETHLEHEM PACIFIC COAST STEEL 06/01/48 09/30/78 Standard research 12.13.06 BETHLEHEM STEEL--VERNON, CA (AKA BETHLEHEM PACIFIC COAST STEEL CORPORATION) 10/01/45 06/30/76 High BEVAN PORCELAIN COMPANY--LOS ANGELES, CA 11/01/60 01/31/61 Low BEVERLY HILLS HOTEL--BEVERLY HILLS, CA (SUNSET BLVD) 12/01/52 07/31/61 Low BIGELOW LIPTAK--LOS ANGELES, CA 01/01/40 05/31/65 Low BILL WILLIAMS WELDING SHOP--LONG BEACH, CA 03/01/67 03/31/67 Low BILTMORE HOTEL--LOS ANGELES, CA 01/01/28 12/31/28 Low BIMINI BATH--LOS ANGELES, CA 01/01/26 12/31/26 Low BIRD & SONS INC--WILMINGTON, CA 12/01/72 04/30/75 Low BIRMINGHAM GENERAL HOSPITAL--VAN NUYS, CA 01/01/43 12/31/43 Low BIRMINGHAM HIGH SCHOOL--VAN NUYS (LAUSD), CA 06/01/59 06/30/59 Low BLACKIE'S BLACKSMITH & WELDING SHOP--BURBANK, CA 08/01/47 08/31/47 Low BLACKSTONE APARTMENT HOTEL--LOS ANGELES, CA 08/01/50 08/31/50 Low BLAW KNOX CONSTRUCTION COMPANY--ANAHEIM, CA 05/01/47 05/31/47 Low BLISS & LAUGHLIN--LOS ANGELES, CA 02/01/63 09/30/72 Low BLUE BIRD LAUNDRY--LOS ANGELES, CA 01/01/43 01/31/45 Low BLUE DIAMOND CORPORATION--ARDEN, NV 01/01/41 05/31/55 Standard BLUE SEAL LINEN SUPPLY CO--LOS ANGELES, CA 01/01/36 05/31/45 Standard BM HOLT CO--ALHAMBRA, CA 01/01/62 01/31/62 Low BOAZ PLUMBING CO--INGLEWOOD, CA 11/01/47 11/30/47 Low BONE ENGINEERING CORPORATION--BURBANK, CA 04/01/56 04/30/56 Low BORDEN CHEMICAL CO--FREMONT, CA 06/01/72 06/30/72 Low BORDEN CHEMICAL CO--LOS ANGELES, CA 12/01/61 05/31/63 Low BOREL OFFICE BUILDING--TUCSON, AZ 08/01/73 08/31/73 Low BORON REFINERY--LANCASTER, CA 01/01/76 12/31/76 Standard

04/10/2012 5 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES BOWERS BUILDING & CONSTRUCTION CO--SALT LAKE CITY, UT 02/01/67 02/28/67 Low BOWIE PIE CO--LOS ANGELES, CA 08/01/63 08/31/63 Low BRADBURY BUILDING--LOS ANGELES, CA 01/01/26 12/31/26 Low BRAY CHEMICAL CO--LOS ANGELES, CA 12/01/51 08/31/65 Standard BREA CHEMICALS INC--BREA, CA 11/01/53 10/31/56 Standard BRIDGEPORT BRASS CO--RIVERSIDE, CA 10/01/54 11/30/64 Standard BROADWAY POWERHOUSE (PASADENA WTR & PWR DEPT)--CA 03/01/50 10/31/60 Low BROCK GLASS--IRVINE, CA 01/01/79 12/31/79 Low BROCK GLASS--SANTA ANA, CA 08/01/74 08/31/74 Low BROCKWAY GLASS--POMONA, CA 12/01/75 12/31/75 Standard BUDWEISER BREWERY--SAN FERNANDO VALLEY, CA 01/01/60 12/31/69 Standard BULLOCKS--PALM SPRINGS, CA 05/01/47 05/31/47 Low BULLOCKS--PASADENA, CA 09/01/46 05/31/47 Low BURBANK CANNING CO--BURBANK, CA 01/01/39 08/31/64 Standard BURBANK POWERHOUSE--BURBANK, CA 01/01/44 12/31/79 Standard BURNHAM CHEMICAL COMPANY--WESTEND, CA 01/01/28 12/31/28 Low BURNS STEAMSHIP CO--WILMINGTON, CA 03/01/52 03/31/52 Low BYRON JACKSON CO--HUNTINGTON BEACH, CA 01/01/67 01/31/67 Low BYRON JACKSON CO--LONG BEACH, CA 06/01/66 03/31/67 Low BYRON JACKSON CO--VERNON, CA 01/01/44 12/31/44 Low C.C. MOORE & CO. ENGINEERS--LOS ANGELES, CA 10/01/45 10/31/45 Low C.F. BRAUN & CO. - AMERICAN POTASH & CHEMICAL CORPORATION--HAMILTON, MS. 06/01/64 06/30/64 Low Modified start date based on job book info; 12.13.06 C.F. BRAUN--ALHAMBRA, CA 01/01/26 12/31/35 Standard C.K. WILLIAMS & COMPANY--LUCERNE VALLEY, CA 10/01/63 10/31/63 Low C.M. MILLWORK COMPANY--ARCADIA, CA 08/01/60 08/31/60 Low CADWALLADER-GIBSON COMMPANY--LONG BEACH, CA 01/01/28 12/31/29 Standard CALAVERAS CEMENT--CALAVERAS, CA 10/01/45 10/31/45 Low pj CALIFELT INSULATION MANUFACTURING COMPANY-LOS ANGELES, CA 01/01/26 12/31/27 Low research 12.13.06 CA 06/28/72 06/28/72 Standard CALIFORNIA CARBONIC COMPANY--BELL GARDENS, CA 03/01/59 03/31/59 Low CALIFORNIA CARBONIC COMPANY--LOS ANGELES, CA 05/01/50 02/28/57 Standard CALIFORNIA CHEMICAL COMPANY--ANAHEIM, CA 06/01/64 06/30/64 Low CALIFORNIA CLUB--528 S. FLOWER ST., LOS ANGELES, CA 01/01/70 01/31/70 Low CALIFORNIA CONSUMERS CORPORATION--LOS ANGELES, CA 01/01/29 12/31/32 Low CALIFORNIA CONTAINER CORPORATION--VERNON, CA 12/01/52 12/31/52 Low CALIFORNIA CYANIDE COMPANY--CUDAHY, CA 01/01/26 12/31/26 Standard CALIFORNIA DORAN--LOS ANGELES, CA 01/01/80 12/31/80 Low CALIFORNIA DROP FORGE--LOS ANGELES, CA 07/01/56 12/31/87 Standard CALIFORNIA ELECTRIC POWER CO--DAGGETT, CA 07/01/63 07/31/63 Low CALIFORNIA ELECTRIC POWER CO--HIGHGROVE, CA 02/01/55 11/30/59 Standard CALIFORNIA ELECTRIC POWER CO--SAN BERNADINO, CA 01/01/57 09/30/57 Standard CALIFORNIA FIREPROOF DOOR CO--LOS ANGELES, CA 02/01/48 02/28/48 Low CALIFORNIA GASOLINE COMPANY--SANTA FE SPRINGS, CA 01/01/27 12/31/27 Low CALIFORNIA HIGHWAY PATROL--SAN BERNARDINO, CA 01/01/59 12/31/59 Standard CALIFORNIA INSTITUTE FOR WOMEN--CHINO, CA 02/01/66 02/28/66 Low CALIFORNIA INSTITUTE FOR WOMEN--CORONA, CA 06/01/59 06/30/59 Low CALIFORNIA INSTITUTE OF TECHNOLOGY--PASADENA, CA 01/01/26 10/31/63 Standard CALIFORNIA MARINE CURING & PACKING CO--TERMINAL ISLAND, CA 11/01/60 11/30/60 Low CALIFORNIA METAL ENAMELING COMPANY--LOS ANGELES, CA 01/01/26 12/31/83 High CALIFORNIA OIL PURIFICATION CO--VENTURA, CA 07/01/74 01/31/76 Low

04/10/2012 6 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES CALIFORNIA PACKING CO--SAN DIEGO, CA 01/01/29 12/31/29 Low CALIFORNIA PACKING CO--SAN PEDRO, CA 01/01/29 12/31/29 Low CALIFORNIA PACKING CO--SANTA ANA, CA 01/01/28 12/31/28 Low CALIFORNIA PACKING CO--TERMINAL ISLAND, CA 01/01/28 12/31/29 Low CALIFORNIA PETROLEUM CO--WATSON, CA 01/01/26 06/30/61 Standard CALIFORNIA PORTLAND CEMENT CO--COLTON, CA (AKA CLAMAT) 01/01/37 12/31/78 High CALIFORNIA PORTLAND CEMENT--MOJAVE, CA (AKA CLAMAT) 10/01/54 12/31/78 Standard CALIFORNIA RENDERING COMPANY--VERNON, CA 01/01/34 01/31/47 Standard CALIFORNIA STATE POLYTECHNIC UNIVERSITY--POMONA, CA 01/01/65 12/31/66 Standard CALIFORNIA STATE UNIVERSITY--NORTHRIDGE, CA 10/01/75 04/30/76 Low CALIFORNIA STEEL TANK--SALT LAKE CITY, UT 02/01/76 02/28/76 Low CALIFORNIA YOUTH AUTHORITY--CHINO, CA 08/01/65 08/31/65 Low CALIFORNIA ZONOLITE--LOS ANGELES, CA 05/01/50 07/31/68 Standard CALIFORNIA/ALABAMA PIPE CO (CAPCO)--SOUTHGATE, CA 12/01/70 12/31/70 Low CALIFORNIA-OREGON PAPER MILL--VERNON, CA 08/01/45 06/30/46 Low CALMAT--COLTON, CA 01/01/37 01/31/45 Low CALMO ENGINEERING COMPANY--TERMINAL ISLAND, CA 09/01/56 09/30/56 Low CALSTRIP STEEL CORPORATION--LOS ANGELES, CA 02/01/59 05/31/59 Low CALTEX BOILER WORKS--INGLEWOOD, CA 04/01/51 04/30/51 Low CAL-THEMES--INGLEWOOD, CA 01/01/59 01/31/59 Low CAL-TUF DIVISION--ALHAMBRA, CA 10/01/75 10/31/75 Low CAMARILLO STATE HOSPITAL--CAMARILLO, CA 01/01/37 12/31/37 Low CAMP ANZA--ARLINGTON, CA 01/01/44 12/31/44 Low CAMP COOK--LOMPOC, CA 08/01/50 12/31/77 Low CAMP PENDLETON--OCEANSIDE, CA 03/01/58 03/31/58 Low CAMP ROSS--WILMINGTON/SAN PEDRO, CA 03/01/45 03/31/45 Low CAMPBELL MACHINE--SAN DIEGO, CA 02/01/64 02/28/64 Low CANNON ELECTRIC--LOS ANGELES, CA 02/01/65 02/28/65 Low CAPITAL METALS CO--LIVERMORE, CA 03/01/74 03/31/74 Low CAPITAL WESTWARD INC--PARAMOUNT, CA 04/01/70 01/31/71 Low CAPITOL FOUNDRY--LOS ANGELES, CA 11/01/59 11/30/59 Low CARIBBEAN REFINING CORPORATION --SAN JUAN, CA 12/01/55 12/31/55 Low CARLSBAD POWERHOUSE--CARLSBAD, CA 05/01/57 05/31/57 Low CARLTON FORGE WORKS--PARAMOUNT, CA 08/01/62 10/31/75 Standard CARNATION CO--CULVER CITY, CA 12/01/46 12/31/46 Low CARSON OIL--CARSON, CA 12/01/72 07/31/73 Low CARSON YARD--WILMINGTON, CA 01/01/76 12/31/82 Standard pj CARTER OIL CO--BILLINGS, MT (C.C. Moore & Co. Engineers) 01/01/48 01/31/48 Low research 12.13.06 CASCADE CARBON--BAKERSFIELD, CA 04/01/64 07/31/66 Standard CASCADE LAUNDRY COMPANY--LOS ANGELES, CA 01/01/28 12/31/28 Low CATALINA ISLAND BRICK & TILE COMPANY--CATALINA ISLAND, CA 01/01/31 12/31/32 Low CAVANAUGH MACHINE WORKS--WILMINGTON, CA 10/01/56 05/31/72 Standard pgp CBS STEEL & FORGE--(AKA CALIFORNIA BLOWPIPE & STEEL CO)--VERNON 09/01/46 06/30/47 Standard additional jobs 12.13.06 CEDARS OF LEBANON HOSPITAL--LOS ANGELES, CA 08/01/51 08/31/51 Low CEDARS SINAI HOSPITAL--LA CIENEGA/3RD, LOS ANGELES, CA 07/01/48 01/31/51 Standard CELITE COMPANY (JM)--LOMPOC, CA 01/01/27 12/31/59 Standard CELITE COMPANY (JM)--LONG BEACH, CA 01/01/26 12/31/26 Low CELOTEX--LOS ANGELES, CA 12/01/47 12/31/83 Standard CEMENT PLANT--BIG BEAR, CA 01/01/71 12/31/86 Standard CEMENT PLANT--MOJAVE, CA 01/01/71 12/31/86 Standard

04/10/2012 7 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES CEMENT PLANT--TEHACHAPI, CA 01/01/71 12/31/86 Standard CENTRAL BAG & SUPPLY CO--LOS ANGELES, CA 12/01/74 12/31/74 Low CENTURY METALCRAFT MANUFACTURING--LOS ANGELES, CA 01/01/54 01/31/54 Low CENTURY OIL CO--LONG BEACH, CA 05/01/48 03/31/61 Low CERAMIC PRODUCTS CORPORATION--HUNTINGTON BEACH, CA 03/01/63 03/31/63 Low CF BRAUN--ALHAMBRA, CA 01/01/26 05/31/63 Standard CHAFFEY UNION HIGH SCHOOL--ONTARIO, CA 01/01/47 01/31/47 Low CHALMETTE & GRAMERCY--LOS ANGELES, CA 01/01/77 12/31/77 Low CHAMPLIN OIL REFINERY--WILMINGTON, CA 05/01/71 12/31/85 Standard CHAPMAN METALS--CHINO, CA 04/01/73 04/30/74 Low CHARLES E. WARDMAN CO--COMPTON, CA 04/01/72 04/30/72 Low CHARLES PFIZER INC.--CUSHENBURY, CA 01/01/70 01/31/70 Low CHAS PFIZER & CO--VICTORVILLE, CA 02/01/68 02/28/68 Low CHEMICAL MILLING INTERNATIONAL CORPORATION--EL SEGUNDO, CA 04/01/68 10/31/68 Low CHEVRON CHEMICAL--KENNEWICK, WA 03/01/73 03/31/73 Low CHEVRON CHEMICAL--RICHMOND, CA 09/01/83 09/30/83 Low CHEVRON SHIPPING--LOS ANGELES/SAN PEDRO, CA 07/01/65 05/31/70 Standard CHICKSAN CO--BREA, CA 03/01/55 03/31/55 Low CHILDRENS HOSPITAL (VERMONT AVE)--LOS ANGELES, CA 01/01/38 05/31/52 Low CHOLLA POWERHOUSE (ARIZONA PUBLIC SERVICE CO)--AZ 08/01/61 08/31/61 Low CHRISTENSEN & LYONS--SOUTHGATE, CA 11/01/53 11/30/53 Low CHROMIZING CO--GARDENA, CA 04/01/74 04/30/74 Low p CITIES SERVICE OIL CO--LAKE CHARLES, LA 04/01/74 04/30/74 Low research 09.20.07 CITY DAIRY--PASADENA, CA 01/01/26 12/31/26 Low CITY OF BEVERLY HILLS, BEVERLY HILLS, CA 01/01/26 12/31/59 Standard CITY OF BURBANK POWERHOUSE--BURBANK, CA 01/01/40 03/31/58 Standard CITY OF BURBANK--BURBANK, CA 03/01/47 08/31/51 Low CITY OF GLENDALE--GLENDALE,CA 01/01/41 09/30/59 Standard CITY OF LOS ANGELES, LOS ANGELES, CA 12/01/48 09/30/55 Standard CITY OF PASADENA, PASADENA, CA 01/01/26 10/31/71 Standard CITY OF POMONA, POMONA, CA 03/01/53 01/31/56 Standard CITY OF SAN DIEGO, SAN DIEGO, CA 01/01/44 12/31/44 Low CITY OF SIGNAL HILL, SIGNAL HILL, CA 04/01/49 04/30/49 Low CLAREMONT COLLEGE--CLAREMONT, CA 09/01/47 11/30/66 Low CLAREMONT RETIREMENT HOME--CLAREMONT, CA 01/01/60 12/31/61 Standard CLARK CHEMICAL COMPANY--BARTLETT, CA 01/01/27 12/31/27 Low CLEVELAND ERECTORS--WILMINGTON, CA 08/01/75 08/31/75 Low CLIMATE CONDITIONING CORPORATION--FULLERTON, CA 03/01/71 03/31/71 Low CLIMATE CONDITIONING CORPORATION--STANTON, CA 09/01/70 09/30/70 Low CLIMAX CHEMICAL CO--HOBBS, NM 09/01/61 09/30/61 Low CLOUGHERTY BROTHERS MEAT PACKING CO--VERNON, CA 09/01/45 12/31/65 Standard COAST FISHERIES DIV OF THE QUAKER OATS CO --WILMINGTON, CA 01/01/26 04/30/64 Standard COASTAL MACHINE BOILER WORKS--WILMINGTON, CA 06/01/79 06/30/80 Low COLD METAL PRODUCTS COMPANY OF CA, THE--LOS ANGELES, CA 04/01/56 06/30/56 Low COLDWELL BANKER & CO--LOS ANGELES, CA 12/01/69 12/31/69 Low COLINE GASOLINE CORPORATION--TORRANCE, CA 01/01/38 12/31/38 Low COLINE GASOLINE CORP--VENTURA, CA 05/01/49 05/31/49 Low COLLEY ENGINEERS & CONSTRUCTION COMPANY--WATSON, CA 11/01/70 11/30/70 Low COLLIER CARBON & CHEMICAL CO.--ANACORTES, WA 04/01/75 04/30/75 Standard Added based upon additionalpj job book 07.24.07 COLLIER CARBON & CHEMICAL CO.--KENAI, AK 04/01/75 07/31/77 Standard numbers/Added based upon additional job 2.13.06

04/10/2012 8 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES COLLIER CARBON & CHEMICAL CORPORATION--BREA/LOS ANGELES, CA 08/01/46 12/31/78 High COLLIER CARBON & CHEMICAL CORPORATION--BREA/LOS ANGELES, CA (AKA RT COLLIER) 08/01/46 12/31/78 High COLLIER CARBON & CHEMICAL CORPORATION--SANTA MARIA, CA 07/01/66 04/30/76 Standard COLLIER CARBON & CHEMICAL CORPORATION--WILMINGTON, CA 08/01/61 12/31/75 Standard COL-TEX REFINING COMPANY--COLORADO, TX 01/01/33 12/31/33 Low COL-TEX REFINING COMPANY--COLORADO, TX 01/01/39 12/31/39 Low COLTON CEMENT--COLTON, CA 01/01/80 12/31/83 Standard COLTON CEMENT--SAN BERNARDINO, CA 01/01/71 12/31/79 Standard COLUMBIA MILLS INC THE--LOS ANGELES, CA 07/01/52 07/31/52 Low COLUMBIA PHONOGRAPH--LOS ANGELES, CA 01/01/35 12/31/35 Low COLUMBIA RECORD DIV OF CBS INC--LOS ANGELES, CA 10/01/56 09/30/57 Low COLUMBIA STEEL CORP--LOS ANGELES, CA 01/01/36 12/31/37 Low COLUMBIA-SOUTHERN CHEMICAL COMPANY--BARTLETT, CA 09/01/60 09/30/60 Low COMBUSTION ENGINEERING--LOS ANGELES, CA 05/01/50 03/31/75 Standard COMBUSTION EQUIPMENT COMPANY--PHOENIX, AZ 05/01/61 05/31/61 Low COMBUSTION POWER CO.--IVANPAH, CA 05/12/87 08/26/88 Standard Added based upon additional job book 07.24.07 COMBUSTION POWER CO.--MENLO PARK, CA 09/01/85 09/30/85 Low Added based upon additional job book 07.24.07 COMBUSTION POWER CO.--TORRANCE, CA 08/29/86 08/29/86 Low Added based upon additional job book 07.24.07 COMMERCIAL ENAMELING COMPANY--HUNTINGTON PARK, CA 11/01/49 12/31/77 Standard COMMERCIAL IRON WORKS--LOS ANGELES, CA 11/01/51 11/30/51 Low COMMUNITY LAUNDRY SERVICE LTD--BELLFLOWER, CA 01/01/37 12/31/39 Standard COMMUNITY LINEN RENTAL SERVICE--SANTA MONICA, CA 01/01/57 01/31/57 Low COMPTON COMMUNITY COLLEGE--COMPTON, CA 03/01/52 03/31/52 Low pj CONCRETE MACHINERY & SUPPLY--FONTANA , CA 01/01/34 12/31/34 Low research 12.13.06 CONNOR SPRINGS--MONTEREY PARK, CA 05/01/85 05/31/85 Low CONOCO OIL--VENTURA, CA 01/01/43 12/31/43 Low CONSOLIDATED AIRCRAFT--SAN DIEGO, CA 01/01/41 12/31/41 Low CONSOLIDATED ALUMINUM--CITY OF INDUSTRY, CA 01/01/79 12/31/79 Low CONSOLIDATED FILM INDUSTRIES--HOLLYWOOD, CA 05/01/64 05/31/64 Low CONSOLIDATED LUMBER CO--WILMINGTON, CA 01/01/31 11/30/59 Standard CONSOLIDATED ORANGE GROWERS ASSN--ORANGE, CA 03/01/47 03/31/47 Low CONSOLIDATED STEEL CORP--WILMINGTON, CA 01/01/31 07/31/46 Standard CONSOLIDATED WESTERN STEEL--LOS ANGELES, CA (US STEEL CORP) 01/01/30 11/30/63 Standard CONTAINER CORP OF AMERICA--LOS ANGELES, CA 11/01/50 09/30/56 Low CONTINENTAL BAKING CO--BEVERLY HILLS, CA 02/01/50 02/28/50 Low CONTINENTAL CAN CO--CITY OF COMMERCE, CA 03/01/67 02/28/76 Standard CONTINENTAL CAN CO--HAYWARD, CA 08/01/68 04/30/76 Standard CONTINENTAL CAN CO--LOS ANGELES, CA 11/01/60 05/31/75 Standard CONTINENTAL CAN CO--OLYMPIA, WA 03/01/72 04/30/73 Low pj CONTINENTAL CAN CO--PATTERSON, NJ 04/01/72 04/30/72 Low research 12.13.06 CONTINENTAL CAN CO--PITTSBURG, CA 07/01/63 11/30/75 Standard CONTINENTAL CAN CO--PORTLAND, OR 12/01/71 03/31/73 Low CONTINENTAL CAN CO--SAN LEANDRO, CA 03/01/72 06/30/72 Low p CONTINENTAL CAN CO--SPARROWS POINT, MD 11/01/72 11/30/72 Low research 09.20.07 CONTINENTAL CAN CO--UNION PACIFIC, CA 08/01/73 12/31/73 Low CONTINENTAL CAN CO--VAN NUYS, CA 10/01/65 02/28/74 Standard CONTINENTAL CAN CO--WILMINGTON, CA 12/01/71 01/31/74 Standard CONTINENTAL CARBON COMPANY--BAKERSFIELD, CA 01/01/61 01/31/61 Low CONTINENTAL DEVELOPMENT & REDUCTION COMPANY--NEWPORT BEACH, CA 01/01/26 12/31/26 Standard CONTINENTAL FORGE--COMPTON, CA 10/01/73 10/31/73 Low

04/10/2012 9 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES CONTINENTAL OIL (CONOCO)--NORTH BELRIDGE, CA 01/01/31 12/31/32 Low CONTINENTAL OIL (CONOCO)--SEAL BEACH, CA 01/01/31 12/31/32 Low CONTINENTAL OIL (CONOCO)--VENTURA, CA 01/01/42 12/31/42 Low CONTINENTAL OIL (CONOCO)--WASCO, CA 01/01/40 12/31/40 Low CONTINENTAL OIL COMPANY--TORRANCE, CA 01/01/31 12/31/78 Standard COOK MANUFACTURING CO--PUENTE, CA 04/01/48 04/30/48 Low COOL WATER POWERHOUSE (SCE)--CA 07/01/63 12/31/88 Low COOPER LUMBER CO--LOS ANGELES, CA 11/01/50 11/30/50 Low COORS COMPANY INC--INGLEWOOD, CA 09/01/52 10/31/66 Standard COPRA OIL & MEAL CO--WILMINGTON,CA 01/01/38 12/31/38 Low COPRA OIL CO.--WILMINGTON, CA 11/01/51 11/30/51 Low COUNTY OF LOS ANGELES--LOS ANGELES, CA (500 W. TEMPLE ST) 01/01/31 09/30/51 Low CP HANCOCK & SON--RIVERSIDE, CA 01/01/39 12/31/39 Low CRANE CO.--COLTON, CA 01/01/29 02/28/71 Standard CRESCENT TOWEL & LINEN SUPPLY CO--LOS ANGELES, CA 01/01/45 01/31/45 Low CRESTLITE PRODUCTS CO--SAN CLEMENTE, CA 11/01/65 12/31/77 Low CROSBY & OVERTON--WILMINGTON/LONG BEACH, CA 05/01/67 12/31/74 Standard CROSBY--LONG BEACH, CA (AKA CROSBY AND OVERTON) 01/01/69 12/31/74 Standard CROWN CORK AND SEAL--FULLERTON, CA 09/01/70 09/30/70 Low CROWN-ZELLERBACH--LOS ANGELES,CA 09/01/55 09/30/55 Low CRUDE OIL REFORMING CORP--(AKA CRUDE OIL RECOVERY CORP)--COLTON, CA 01/01/38 12/31/38 Low CRYSTAL CHEMICAL COMPANY--ANAHEIM, CA 01/01/26 12/31/59 Standard CRYSTAL PETROLEUM PRODUCTS CORP--LOS ANGELES, CA 01/01/26 12/31/26 Low CS MCANLEY--SIGNAL HILL, CA 03/01/74 03/31/74 Low CUDAHY PACKING COMPANY--LOS ANGELES, CA 01/01/36 10/31/54 Standard CUDAHY PACKING COMPANY--PHOENIX, AZ 08/01/46 08/31/46 Low CURTIS CORPORATION-_LONG BEACH, CA 01/01/26 12/31/59 Low CUTTING ENGINEERING WORKS--LOS ANGELES, CA 03/01/66 03/31/66 Low CYPRESS MINES--GLOBE, AZ 01/01/88 12/31/88 Standard CYPRUS TUBING & CONDUIT CO--TORRANCE, CA 05/01/74 03/31/76 Standard DAVIDSON BRICK--CHINO, CA 10/01/61 12/31/61 Standard DAVIDSON CHEMICAL DIVISION--SOUTH GATE, CA 12/01/71 12/31/71 Low DAVIS APARTMENTS--LOS ANGELES, CA 01/01/62 01/31/62 Low DAVIS WALKER CORPORATION--HAYWARD, CA 01/01/83 12/31/84 Low DAY & NIGHT MANUFACTURING CO--LA PUENTE, CA 07/01/65 03/31/72 Standard DAYTON FOUNDRY--SOUTH GATE, CA 04/01/74 04/30/74 Low DE MENNO--COMPTON, CA 01/01/78 12/31/78 Low DECCA RECORDS--HOLLYWOOD, CA 08/01/45 12/31/47 Low DEEPWATER CHEMICAL--CARSON, CA 04/01/74 04/30/74 Low DELCO BATTERY--BUENA PARK, CA 02/01/64 01/31/65 Low DELCO-REMY DIVISION, GENERAL MOTORS--ANAHEIM, CA 05/01/53 10/31/75 Standard DELCO-REMY--ANAHEIM, CA 06/01/72 12/31/81 Standard DEPARTMENT OF WATER & POWER--LOS ANGELES,CA 11/01/60 11/30/60 Low p DERBY OIL CO--WICHITA, KS 04/01/51 04/30/51 Low research 09.20.07 DESERT INN HOTEL--LAS VEGAS, NV 02/01/59 02/28/59 Low DESIGN CRAFT-LOS ANGELES, CA 11/01/63 11/30/63 Low DEVOE & REYNOLDS CO., INC--LOS ANGELES, CA 04/01/56 04/30/56 Low DIAMOND SHAMROCK CHEMICAL--OXNARD, CA 07/01/73 07/31/73 Low DIAMOND SHAMROCK--OXNARD, CA 07/01/73 07/31/73 Low DICKSON GUN PLANT--LOS ANGELES, CA 03/01/45 03/31/45 Low

04/10/2012 10 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES DILECTRON CO--MONROVIA, CA 12/01/62 12/31/62 Low DISNEY STUDIOS--BURBANK, CA 01/01/44 03/31/55 Standard DISPENSER'S INC--GOLETA, CA 05/01/68 05/31/70 Low DIVERSIFIED BUILDERS INC--PARAMOUNT, CA 01/01/84 12/31/84 Low DIVERSIFIED METALS--CUCAMONGA, CA 12/01/69 12/31/69 Low DIX CHEMICAL CO.(WORK DONE IN WILMINGTON YARD)--LONG BEACH, CA 03/01/63 03/31/63 Low DIXIE PRESERVES COMPANY--LOS ANGELES, CA 07/01/55 07/31/55 Low DOCKSIDE MARINE WORKS--SAN DIEGO, CA 12/01/69 12/31/69 Low DOMESTIC LAUNDRY--LOS ANGELES, CA 01/01/29 12/31/29 Low DOMINGUEZ CHEMICAL COMPANY--DOMINGUEZ, CA 01/01/31 11/30/62 Standard DOMINGUEZ FERTILIZER COMPANY--DOMINGUEZ, CA 08/01/63 08/31/65 Standard DONOVAN LUMBER COMPANY--LOS ANGELES, CA 01/01/29 12/31/29 Low DONOVAN STEAMSHIP COMPANY--LOS ANGELES, CA 01/01/29 12/31/29 Low DOUGLAS BOYLE--PARAMOUNT, CA 04/01/76 04/30/76 Low DOUGLAS OIL (HYNES REFINERY)--LONG BEACH, CA 03/01/49 02/28/50 Low DOUGLAS OIL--BAKERSFIELD, CA 05/01/47 05/31/47 Low DOUGLAS OIL--CLEARWATER, CA 08/01/47 06/30/48 Standard DOUGLAS OIL--PARAMOUNT, CA 01/01/41 12/31/80 Standard DOUGLAS OIL--SANTA FE SPRINGS, CA 01/01/77 12/31/77 Low DOW CHEMICAL--GARDENA, CA 01/01/44 12/31/44 Low DOW CHEMICAL--LOS ANGELES, CA 01/01/43 07/31/53 Standard DOW CHEMICAL--TORRANCE, CA 01/01/42 12/31/42 Low DOWNEY GLASS--COMMERCE, CA 01/01/76 01/31/76 Low DRESSER INDUSTRIES INC--HUNTINGTON PARK, CA 05/01/75 05/31/75 Low DRY ICE CORPORATION--LOS ANGELES, CA 01/01/30 12/31/30 Low DRYTRAMS INC--TERMINAL ISLAND, CA 02/01/56 02/28/56 Low DUVAL CORPORATION--MINERAL PARK, AZ 04/01/64 04/30/64 Low DYEMASTERS INC--INGLEWOOD, CA 10/01/62 10/31/62 Low E.C. LOSCH COMPANY--PARAMOUNT, CA 08/01/56 08/31/56 Low pj E.I. DUPONT DE NEMOURS & CO, INC.--BELLE, WV 08/01/57 08/31/57 Low research 12.13.06 E.I. DUPONT DE NEMOURS & CO--ANTIOCH, CA 05/01/81 11/15/83 Standard E.M. JORGENSEN--SEATTLE, WA 02/01/67 01/31/76 Standard EAGLE OIL & REFINING COMPANY--SANTA FE SPRINGS, CA 04/01/48 04/30/48 Low EARLE M. JORGENSEN COMPANY--LOS ANGELES, CA 01/01/43 03/31/76 High EAST WEST REFINING COMPANY--GARDENA, CA 01/01/40 12/31/40 Low EASTERN IRON & METAL CO LTD--LOS ANGELES, CA 10/01/53 06/30/54 Low EASTERN PICKLE PRODUCTS INC--LOS ANGELES, CA 05/01/64 05/31/64 Low EASTERN SMELTING & REFINING COMPANY--LOS ANGELES, CA 12/01/45 09/30/68 Standard EASTMAN KODAK COMPANY--LOS ANGELES, CA 01/01/39 12/31/39 Low EAZ-LIFT SPRING CORPORATION--SUNLAND, CA 04/01/56 10/31/66 Standard p ECOL--GARYSVILLE, LA 04/01/75 12/31/75 Low research 09.20.07 ECP--EL CENTRO POWERHOUSE--EL CENTRO, CA 01/01/79 12/31/79 Low EDGERLY APARTMENTS--SANTA BARBARA, CA 01/01/29 12/31/29 Low EDISON BUILDING--LONG BEACH, CA 01/01/31 12/31/32 Low EHRHART & ASSOCIATES INC--LOS ANGELES, CA 03/01/71 03/31/71 Low EJ STANTON & SON--LOS ANGELES, CA 01/01/27 12/31/27 Low EK WOOD LUMBER CO--SAN PEDRO, CA 01/01/26 05/31/47 Standard EL CENTRO POWERHOUSE (IMPERIAL IRRIGATION DISTRICT), EL CENTRO, CA 02/01/57 02/28/57 Low EL PASO ELECTRIC CO--RIO GRANDE STATION, LAS CRUCES, NM 04/01/48 02/28/58 Low EL REY PRODUCTS COMPANY--LOS ANGELES, CA 01/01/34 05/31/47 Standard

04/10/2012 11 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES EL TEJON OIL & REFINING CORPORATION--BAKERSFIELD, CA 07/01/46 09/30/46 Low ELJER-CALIFORNIA COMPANY--VERNON, CA 01/01/42 02/28/50 High EMERY INDUSTRIES--CITY OF COMMERCE, CA 07/01/62 12/31/77 Standard EMERY INDUSTRIES--LOS ANGELES, CA 06/01/59 11/30/64 Standard EMERY PRODUCTS--BELL GARDENS, CA 10/01/68 10/31/68 Low EMSCO DERRICK AND EQUIPMENT--LOS ANGELES, CA 01/01/37 12/31/37 Low EMSCO PRESS FORGING CO--LOS ANGELES, CA 01/01/59 12/31/59 Low EMSCO PRESS FORGING COMPANY--LOS ANGELES, CA 01/01/26 12/31/26 Low EMSCO REFRACTORIES--SOUTH GATE, CA 01/01/29 12/31/44 Standard EMSCO REFRACTORIES--VERNON, CA 01/01/43 12/31/43 Standard ENCINA POWERHOUSE (SAN DIEGO GAS & ELECTRIC)--CA 06/01/59 12/31/77 Low pj ENGLISH & LAUER--20th CENTURY FOX STUDIO--CENTURY CITY, CA 01/01/36 12/31/37 Low research pj 12.13.06 ENGLISH & LAUER--INYOKERN, CA 04/01/45 04/30/45 Low research pj 12.13.06 ENGLISH & LAUER--LYNWOOD, CA 10/01/45 10/31/45 Low research pj 12.13.06 ENGLISH & LAUER--SAN DIEGO, CA 06/01/45 06/30/45 Low research p 12.13.06 ENJAY CHEMICAL--BATON ROUGE, LA 09/01/70 06/22/72 Low research pj 09.20.07 ENJAY CHEMICAL--KANSAS CITY, MO 09/01/70 06/22/72 Low research 12.13.06 ESB INC--LOS ANGELES, CA 06/01/76 06/30/76 Low p ESSO OIL--BATON ROUGE, LA 04/01/52 04/30/52 Low research 09.20.07 ETS-HOKIN CORPORATION--WILMINGTON, CA 11/01/59 11/30/59 Low EUREKA ALUMINUM PIPE CO--RIVERSIDE, CA 05/01/54 09/30/57 Standard EUSTON APARTMENTS--LOS ANGELES, CA 01/01/30 12/31/30 Low EXCHANGE ORANGE PRODUCTS CO--LINDSAY, CA 10/01/48 10/31/48 Low EXCHANGE ORANGE PRODUCTS CO--ONTARIO, CA 01/01/42 09/30/51 Standard EXCHANGE ORANGE PRODUCTS CO--SAN DIMAS, CA 01/01/26 12/31/59 Standard EXETER REFINING (HYNES REFINERY)--LONG BEACH, CA 01/01/45 08/31/47 Standard pj EXXON BAYWAY REFINERY--LINDEN, NJ 10/01/73 10/31/73 Low research 12.13.06 EXXON REFINERY--BENICIA, CA 03/01/68 09/30/69 Low F.S. BITGOOD INC--EL SEGUNDO, CA 01/01/30 12/31/32 Low FABRIFORM METAL PRODUCTS INC--LOS ANGELES, CA 08/01/49 08/31/49 Low FAIRVIEW STATE HOSPITAL--COSTA MESA, CA 07/01/55 07/31/55 Low FARMER JOHN MEATS--VERNON, CA 08/01/70 08/31/70 Low FARR FILTER CO.--2301 ROSECRANS AVE., EL SEGUNDO, CA 10/01/56 10/31/56 Low FAY COMPANY'S LAUNDRY--LOS ANGELES, CA 01/01/28 12/31/28 Low FEDERAL FACILITIES CORP-ALISO STREET PLANT--LOS ANGELES, CA 02/01/45 02/28/45 Standard FEDERAL FACILITIES CORPORATION--LOS ANGELES, CA 01/01/44 03/31/55 Standard FEDERAL FACILITIES CORPORATION-TORRANCE PLANT, CA 01/01/44 07/31/54 Low FEDERAL MOGUL--LOS ANGELES, CA 01/01/78 12/31/78 Low FEDERAL PAPER BOARD--CITY OF INDUSTRY, CA 12/01/72 12/31/72 Low FEDERATED METALS (DIV OF ASARCO)--LOS ANGELES, CA 01/01/39 09/30/68 Low FEDERATED METALS--VERNON, CA 01/01/65 05/31/67 Standard FELLOWS & STEWART INC--TERMINAL ISLAND, CA 07/01/52 07/31/74 Standard FERER, AARON & SONS INC-LOS ANGELES, CA 03/01/58 09/30/69 Standard FERNHOLTZ MACHINERY CO--VAN NUYS, CA 08/01/74 08/31/74 Low FERNSTROM PAPER MILLS--POMONA, CA 01/01/41 12/31/50 Standard FERRO CORPORATION--MAYWOOD, CA 01/01/81 12/31/81 Low FIBREBOARD--SOUTHGATE, CA 01/01/29 05/31/68 Standard FIBREBOARD--VERNON, CA 01/01/37 04/30/76 Standard p FILTROL CORPORATION--JACKSON, MS 09/01/45 06/30/46 Low research 09.20.07 FILTROL CORPORATION--LOS ANGELES, CA 09/01/56 11/30/74 Standard

04/10/2012 12 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES FILTROL CORPORATION--SALT LAKE CITY, UT 11/01/50 11/30/50 Low FILTROL CORPORATION--VERNON, CA 01/01/38 04/30/75 High FINCH, LEON LTD--LOS ANGELES, CA 09/01/45 09/30/45 Low FINKELSTEIN SUPPLY COMPANY--LOS ANGELES, CA 05/01/47 05/31/47 Standard FIRESTONE TIRE & RUBBER--SOUTHGATE, CA 01/01/28 12/31/28 Low FIRST BAPTIST CHURCH--PASADENA, CA 10/01/56 10/31/56 Low FIRTH STEAMSHIP CO--LONG BEACH, CA 10/01/51 10/31/51 Low FIRTH STERLING INC--LOS ANGELES, CA 11/01/61 12/31/65 Low FISHER-KLOSTERMAN INC--LOS ANGELES, CA 01/01/85 12/31/85 Low FIVE C REFINING COMPANY--SANTA MARIA, CA 01/01/44 12/31/44 Low FLETCHER OIL--CARSON, CA 01/01/39 02/28/76 Standard FLINTKOTE (FLOORING DIVISION)--VERNON, CA 12/01/45 12/31/53 Standard FLINTKOTE COMPANY, THE--VERNON, CA 03/01/44 04/30/56 Low FLINTKOTE GENSTAR DOMTAR--VERNON, CA (2116 EAST 55TH ST) 03/01/49 09/30/53 Standard pj FLINTKOTE--ARROLIME, NV 05/01/68 05/31/68 Low research 12.13.06 FLINTKOTE--HENDERSON, NV 05/01/73 05/31/73 Low FLINTKOTE--LOS ANGELES, CA 01/01/35 12/31/42 Standard FLORENCE CERAMICS--PASADENA, CA 04/01/49 04/30/49 Low FLUID PACKED PUMP COMPANY--LOS ANGELES, CA 04/01/45 04/30/45 Low FLUOR CORPORATION--LOS ANGELES, CA 01/01/48 05/31/66 Standard FLUOR CORPORATION--TILDEN, TX 01/01/42 12/31/42 Low FMC CORPORATION--CARSON, CA 03/01/74 03/31/74 Low FMC CORPORATION--VERNON, CA 07/01/74 07/31/74 Low FOLGERS COFFEE CO--COMPTON, CA 02/01/59 02/28/59 Low FONTANA STEEL MILL--FONTANA, CA 01/01/61 12/31/63 Standard FONTENOY APARTMENTS--LOS ANGELES, CA 01/01/34 12/31/34 Low FOOD MACHINERY & CHEMICAL CORPORATION--LOS ANGELES, CA 09/01/55 09/30/55 Low FORD MOTOR CO--LONG BEACH, CA 01/01/35 09/30/57 Standard FORD MOTOR CO--LOS ANGELES, CA 02/01/47 05/31/47 Low FORD MOTOR CO--TORRANCE, CA 10/01/72 10/31/72 Low FOREMOST DAIRIES--LOS ANGELES, CA 03/01/59 03/31/59 Low FOREST LAWN MEMORIAL PARK/MORTUARY--GLENDALE, CA 01/01/28 10/31/56 Standard FORRESTER BUILDING--LOS ANGELES, CA 01/01/26 12/31/26 Low FORSTER SHIPBUILDING--TERMINAL ISLAND, CA 01/01/48 12/31/55 Low FORTIFIBER CORPORATION--LOS ANGELES, CA 01/01/63 01/31/63 Low FOUR CORNERS POWERHOUSE--FARMINGTON, NM 08/01/63 08/31/63 Low FRED MEYER--GLENDALE, CA 12/01/45 12/31/45 Low FREDERICK O'BRIEN PAINT & VARNISH WORKS--LOS ANGELES, CA 03/01/44 02/28/50 Standard FRENCH SARDINE COMPANY--SAN PEDRO, CA 01/01/29 12/31/29 Low FRONTIER REFINING COMPANY--CHEYENNE, WY 01/01/41 12/31/42 Low Added based upon additional job book 07.24.07 FULLERTON HIGH SCHOOL, FULLERTON, CA 01/01/40 12/31/40 Low FURNESS WITHY & CO LTD--LOS ANGELES, CA 09/01/51 09/30/51 Low G.A. MCKENZIE GENERAL CONTRACTOR--LAGUNA BEACH, CA 04/01/51 04/30/51 Low GA TECHNOLOGIES--CARSON, CA 01/01/85 12/31/85 Low GAFFERS & SATTLER--LOS ANGELES, CA 12/01/64 06/30/76 Low GAFFERS & SATTLER--VERNON, CA 01/01/36 07/31/48 Standard GANADO MISSION--GANADO, AZ 08/01/45 08/31/45 Low GARDEN CITY PAPER COMPANY--LOS ANGELES/POMONA, CA 09/01/66 07/31/75 Standard GARDEN STATE PAPER CO--POMONA, CA 01/01/60 12/31/65 Standard GARDENA HIGH SCHOOL (LAUSD)--GARDENA, CA 01/01/26 12/31/26 Low

04/10/2012 13 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES GARRETT RESEARCH & DEVELOPMENT--LA VERNE, CA 03/01/75 08/31/75 Low GAS PROCESSORS INC--BREA, CA 02/01/71 02/28/71 Low GEM ENAMEL PRODUCTS--DOWNEY, CA 01/01/57 01/31/57 Low GENERAL ALUMINUM & CHEMICAL CORP--PHOENIX, AZ 10/01/62 10/31/62 Low GENERAL ALUMINUM & CHEMICAL CORP--TORRANCE, CA 02/01/64 07/31/66 Standard GENERAL AMERICAN TRANSPORTATION CORPORATION--COMPTON, CA 04/01/56 04/30/56 Low GENERAL AMERICAN TRANSPORTATION CORPORATION--WEST LOS ANGELES, CA 08/01/53 08/31/53 Low GENERAL BREWING CO--AZUSA, CA 04/01/48 04/30/48 Low GENERAL CHEMICAL--EL SEGUNDO, CA 01/01/42 02/28/65 Standard GENERAL CONTROLS CO--BURBANK, CA 03/01/59 08/31/61 Low GENERAL DYNAMICS CORPORATION-LIQUID CARB DIV--LOS ANGELES, CA 05/01/59 04/30/66 Low GENERAL DYNAMICS-CONVAIR--SAN DIEGO, CA 10/01/56 09/30/57 Low GENERAL ELECTRIC CO--ANAHEIM, CA 06/01/46 09/30/56 Low GENERAL ELECTRIC CO--HUNTINGTON PARK, CA 11/01/44 11/30/44 Low GENERAL ELECTRIC CO--LOS ANGELES, CA 01/01/44 01/31/61 Low GENERAL ELECTRIC COMPANY--ONTARIO, CA 01/01/77 12/31/78 Standard GENERAL METALS--VERNON, CA 01/01/42 02/28/63 Standard GENERAL MOTORS--VAN NUYS, CA 08/01/63 12/31/65 Low GENERAL PAINT CORPORATION--LOS ANGELES, CA 01/01/39 05/31/48 Low GENERAL PETROLEUM BLDG--LOS ANGELES, CA 01/01/34 12/31/56 Standard GENERAL PETROLEUM--BURRELL, CA 01/01/34 10/31/45 Low GENERAL PETROLEUM--LEBEC, CA 01/01/35 12/31/35 Low GENERAL PETROLEUM--LONG BEACH, CA 09/01/56 09/30/56 Low GENERAL PETROLEUM--SANTA FE SPRINGS, CA 01/01/27 12/31/59 Standard GENERAL PETROLEUM--TERMINAL ISLAND, CA 08/01/51 08/31/51 Low GENERAL PETROLEUM--TORRANCE, CA 01/01/28 06/30/59 Standard GENERAL PETROLEUM--VERNON, CA 01/01/28 04/30/59 Standard GENERAL PETROLEUM--WILMINGTON, CA 01/01/57 12/31/59 Standard GENERAL REFRACTORIES--LOS ANGELES, CA 01/01/47 02/28/56 Standard GENERAL REFRACTORIES--VERNON, CA 08/01/45 10/31/56 Standard GENERAL STEAMSHIP CO--TERMINAL ISLAND, CA 04/01/57 03/31/67 Low GENERAL TELEPHONE (GTE)--LONG BEACH, CA 11/01/55 11/30/55 Low GENERAL WATER HEATER CORPORATION--BURBANK, CA 06/01/52 06/30/56 Standard GENERAL WATER HEATER--BURBANK, CA 12/01/51 12/31/51 Low GENERAL WELDING & SHIP REPAIR--LONG BEACH, CA 04/01/68 08/31/73 Standard GENERAL WELDING AND MANUFACTURING COMPANY--ALHAMBRA, CA 01/01/74 05/31/75 Low GENERAL WELDING AND MANUFACTURING COMPANY--LOS ANGELES, CA 10/01/63 10/31/69 Standard GENTRY INC--OXNARD, CA 09/01/47 09/30/47 Low GEORGE COBREA--TORRANCE, CA 02/01/58 02/28/58 Low GETTY OIL--BREA, CA 08/01/68 08/31/68 Low GILMORE & NOLAN INC--LOS ANGELES, CA 03/01/49 03/31/49 Low GILMORE DABNEY GASOLINE PLANT--SIGNAL HILL, CA 01/01/28 12/31/33 Low GILMORE OIL CO--LONG BEACH, CA 01/01/31 12/31/32 Low p GLACIER PRODUCTION CORP--CUTBANK, MT 01/01/39 12/31/39 Low research 09.20.07 GLADDING MCBEAN & CO--LOS ANGELES, CA 09/01/54 09/30/54 Low GLADDING MCBEAN--ABERHILL, CA 01/01/29 12/31/29 Low GLADDING MCBEAN--CORONA, CA 01/01/27 11/30/59 Standard GLADDING MCBEAN--GLENDALE, CA 02/01/58 12/31/77 Standard GLADDING MCBEAN--LOS ANGELES, CA 05/01/46 07/31/62 Standard GLADDING MCBEAN--MONROVIA, CA 01/01/61 06/30/62 Standard

04/10/2012 14 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES GLADDING MCBEAN--SANTA MONICA, CA 01/01/27 09/30/53 Standard GLADDING MCBEAN--SOUTHGATE, CA 05/01/48 08/31/62 High GLASS CONTAINER--LOS ANGELES, CA 06/01/66 06/30/75 Standard GLASS CONTAINERS CORPORATION--LOS ANGELES, CA 11/01/73 11/30/73 Low GLASS CONTAINERS CORPORATION--SOUTHGATE, CA 09/01/59 09/30/59 Low GLASS CONTAINERS CORPORATION--VERNON, CA 09/01/59 12/31/73 Standard GLENDALE CAMPFIRE GIRLS, GLENDALE, CA 04/01/51 04/30/51 Low GLENDALE MEMORIAL HOSPITAL--GLENDALE, CA 08/01/60 08/31/60 Low GLENDALE POWERHOUSE--GLENDALE, CA 01/01/45 03/31/65 Low GLIDDEN DURKEE CO--ANAHEIM, CA 10/01/68 07/31/72 Low GLOBAL BULK TRANSPORT CO--TERMINAL ISLAND, CA 03/01/67 03/31/67 Low GLOBE GRAIN & MILLING COMPANY--WILMINGTON, CA 01/01/31 12/31/40 Low GLOBE LAUNDRY--LOS ANGELES, CA 04/01/57 04/30/57 Low GLOBE LUMBER COMPANY LTD--LOS ANGELES, CA 09/01/45 09/30/45 Low GLOBE MILLS--EAST LOS ANGELES, CA 10/01/49 03/31/50 Low GLOBE OIL TOOLS COMPANY--LOS ANGELES, CA 01/01/34 12/31/34 Low GLOBE UNION MANUFACTURING COMPANY--FULLERTON, CA 01/01/36 12/31/36 Low GNB BATTERY--LOS ANGELES/VERNON, CA 01/01/70 12/31/90 Standard GOLDBERG METAL REFINING CO--GARDENA, CA 06/01/62 11/30/63 Low GOLDEN BEAR OIL CO--BAKERSFIELD, CA 09/01/63 02/28/67 Low GOLDEN BEAR OIL CO--OILDALE, CA 06/01/59 12/31/63 Standard GOLDEN EAGLE REFINING COMPANY INC--TORRANCE, CA 05/01/59 12/31/70 Standard GOLDEN STATE CO--LONG BEACH, CA 01/01/54 01/31/54 Low GOLDEN STATE CREAMERY--LOS ANGELES, CA 01/01/37 12/31/37 Low GOLDEN STATE WOOLEN MILLS--LONG BEACH, CA 01/01/26 12/31/26 Low GOLDEN WEST POTATO CHIP CO--SOUTH GATE, CA 02/01/53 02/28/53 Low GONZALES & BLANCO--SAN LUIS REY, CA 08/01/45 08/31/45 Low GOOD SAMARITAN HOSPITAL--LOS ANGELES, CA 01/01/48 01/31/48 Low GOOD SAMARITAN HOSPITAL--PHOENIX, AZ 03/01/61 03/31/61 Low () GOODYEAR AIRCRAFT--LITCHFIELD PARK, AZ 01/01/44 12/31/44 Low Akron, OH to Litchfiled Park, AZ based upon 04.19.07 GOODYEAR TIRE & RUBBER CO--LOS ANGELES, CA 01/01/26 03/31/76 Standard GORDON SAND COMPANY--EL SEGUNDO, CA 03/01/61 03/31/61 Low GOTHAM INDUSTRIES--NORWALK, CA 09/01/69 09/30/69 Low GRANING ENAMELING COMPANY--EL MONTE, CA 12/01/50 06/30/74 Standard GRANO STEEL--LOS ANGELES, CA 05/01/61 02/28/71 Standard GRANO STEEL--SANTA FE SPRINGS, CA 04/01/73 04/30/73 Low GRAYS FUNERAL CHAPEL--LOS ANGELES, CA 08/01/50 08/31/50 Low GRAYSON CONTROLS--LONG BEACH, CA 06/01/65 06/30/65 Low pj GREAT LAKES CARBON CORP (CALUMENT PLANT)--CHICAGO, IL 01/01/75 06/30/76 Low research pj 12.13.06 GREAT LAKES CARBON CORP--BASALT, NV 03/01/62 03/31/62 Low research 12.13.06 GREAT LAKES CARBON CORP--LOMPOC, CA 01/01/44 05/31/65 Standard GREAT LAKES CARBON CORP--LOS ANGELES, CA 01/01/42 12/31/42 Low GREAT LAKES CARBON CORP--PALOS VERDES, CA 01/01/30 12/31/43 Standard pj GREAT LAKES CARBON CORP--PORT ARTHUR, TX 07/01/77 02/28/80 Low research 12.13.06 GREAT LAKES CARBON CORP--ROSAMOND, CA 05/01/65 12/31/75 Standard GREAT LAKES CARBON CORP--SOCORRO, NM 09/01/52 12/31/53 Low GREAT LAKES CARBON CORP--TORRANCE, CA 05/01/46 04/30/50 Standard GREAT LAKES CARBON CORP--WALTERIA, CA 08/01/45 09/30/57 Standard GREAT LAKES CARBON CORP--WILMINGTON, CA 01/01/37 07/31/76 High GREAT LAKES CARBON--LOMPOC, CA 01/01/65 12/31/65 Standard

04/10/2012 15 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES GREAT NORTHERN OIL CO--PINE BEND, MN 05/01/55 07/31/62 Low Added based upon job book info. 12.13.06 GREAT SOUTHWEST CLEANERS & DYERS--LOS ANGELES, CA 01/01/26 12/31/27 Low GREENWOOD MEMORIAL PARK--SAN DIEGO, CA 08/01/50 08/31/50 Low GREER PRODUCTS INC--LOS ANGELES, CA 03/01/58 03/31/58 Low GREFCO--LOMPOC, CA 05/01/66 12/31/75 Standard GREGG IRON FOUNDRY--EL MONTE, CA 02/01/64 02/28/64 Low GREGORY ELECTRIC CO --WILMINGTON, CA 06/01/54 09/30/54 Low GRIFFITH CO--LOS ANGELES, CA 05/01/63 05/31/63 Low GRIFFITH COMPANY--SANTA FE SPRINGS, CA 11/01/46 11/30/46 Low GRIFFITH WHEEL CO--COLTON, CA 12/01/56 12/31/77 Standard GROVE VALVE & REGULATOR CO--OAKLAND, CA 11/01/68 11/30/68 Low GRUMMAN ECOSYSTEMS--HONOLULU, HI 02/01/76 02/28/76 Low Added based upon job book info. 12.13.06 GUARANTY BUILDING--HOLLYWOOD, CA 07/01/57 07/31/57 Low GULF OIL CORPORATION--NORWALK, CA 06/01/66 06/30/66 Low pj GULF OIL REFINERY--PHILADELPHIA, PA 08/01/54 01/31/55 Low firm request 11.12.08 GULF OIL REFINERY--SANTA FE SPRINGS, CA (AKA GULF OIL CORPORATIO, GULF OIL 08/01/54 07/31/76 High GULF REFINERY--PORT ARTHUR, TX 09/01/56 09/30/56 Low H E RUDD CONSTRUCTION--WILMINGTON, CA 06/01/57 06/30/57 Low H LEVINE COOPERAGE--VERNON, CA 01/01/44 10/31/56 Low H. KRAMER COMPANY--LOS ANGELES, CA 05/01/66 01/31/67 Low H. KRAMER--EL SEGUNDO, CA 07/01/53 06/30/76 High H.K. PORTER CO--WILMINGTON, CA 06/01/70 06/30/70 Low H.W. LOUD MACHINE WORKS--POMONA, CA 05/01/45 05/31/45 Low HALL HEATING TREATING COMPANY--PARAMOUNT, CA 01/01/66 12/31/79 Standard HALLIBURTON COMPANY--LOS ANGELES, CA 02/01/46 02/28/46 Low HAMBURGER DEPARTMENT STORE--LOS ANGELES, CA 01/01/26 12/31/26 Low HAMMOND LUMBER CO--LOS ANGELES, CA 09/01/47 08/31/50 Standard HAMMOND LUMBER CO--TERMINAL ISLAND, CA 07/01/50 07/31/50 Low HAMMOND LUMBER CO--VERNON, CA 08/01/53 08/31/53 Low HAMMS BREWERY--LOS ANGELES, CA 12/01/57 03/31/70 Standard HANCOCK CHEMICAL COMPANY--WILMINGTON/WATSON/LONGBEACH, CA 11/01/48 02/28/63 Standard HANCOCK OIL REFINERY--LONG BEACH, CA 07/01/54 12/31/58 Standard HARBOR POWERHOUSE--WILMINGTON, CA 08/01/47 02/28/63 Standard HARDESTY, W.C., COMPANY, INC--LOS ANGELES, CA 01/01/44 12/31/47 Standard HARMONY CONSTRUCTION--EL SEGUNDO, CA 01/01/88 12/31/88 Low HARSELL ENGINEERING CO--LOS ANGELES, CA 06/01/63 12/31/81 Low HARSHAW CHEMICAL COMPANY--EL SEGUNDO, CA 01/01/42 10/31/48 Standard HARSHAW-FILTROL--LOS ANGELES, CA 01/01/85 12/31/85 Low HARVEY ALUMINUM--TORRANCE, CA (AKA MARTIN MARIETTA) 12/01/45 12/31/72 High HARVEY MACHINE COMPANY--TORRANCE, CA 01/01/48 09/30/57 Standard HARVEY MUDD COLLEGE--POMONA, CA 01/01/61 12/31/65 Standard HARVILL CORPORATION--COMPTON, CA 02/01/58 07/31/66 Standard HAUSER PACKING COMPANY--LOS ANGELES, CA 01/01/35 12/31/35 Low HAWAIIAN CEMENT CORPORATION--LOS ANGELES, CA 10/01/59 10/31/59 Low pj HAWTHORNE ARMY AMMUNITION PLANT (HWAAP)--HAWTHORNE, NV 11/01/77 11/30/77 Low research and firm request 11.15.2007 HAYES SPRAY GUN CO--PASADENA, CA 07/01/55 05/31/70 Standard HAYNES POWERHOUSE (LADWP)--SEAL BEACH, CA (WESTMINSTER) 01/01/55 12/31/59 Standard HAYNES POWERHOUSE--LONG BEACH, CA 01/01/58 12/31/64 Standard HAYWARD SCIENTIFIC GLASS CORPORATION--WHITTIER, CA 07/01/52 07/31/52 Low HC SMITH OIL & TOOL--COMPTON, CA 08/01/50 06/30/52 Low

04/10/2012 16 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES HEAT ENGINEERING & SUPPLY CO--SAN GABRIEL, CA 09/01/69 10/31/71 Low HEAT TRANSFER ENGINEERS--BUENA PARK, CA 10/01/60 08/31/62 Standard pj HECLA+A800 MINING COMPANY--CASA GRANDE, AZ 04/01/74 08/31/77 Standard research 12.13.06 HELMS BAKERIES--LOS ANGELES, CA 10/01/52 10/31/52 Low HELMS BAKERIES--MONTEBELLO, CA 04/01/48 10/31/51 Standard HEMET VALLEY HOSPITAL--HEMET, CA 01/01/60 12/31/65 Standard HENRY ASPHALT COMPANY--LOS ANGELES, CA 02/01/47 06/30/53 Low HERBERTS MACHINERY COMPANY--LOS ANGELES, CA 01/01/37 12/31/37 Low HERCULES FORGE CORPORATION--LOS ANGELES, CA 10/01/44 06/30/46 Standard HERCULES POWDER--HERCULES, CA 08/20/73 09/24/73 Standard HICKMAN BROS., INC.--LOS ANGELES, CA 11/01/46 06/30/59 Low HICKS TILE COMPANY--LOS ANGELES, CA 01/01/29 12/31/29 Low HIGGINS BRICK--CHINO, CA 09/01/61 02/28/76 Standard HILLGREN MANUFACTURING COMPANY--HUNTINGTON PARK, CA 08/01/60 08/31/60 Low HITCO--GARDENA, CA 07/01/76 12/31/78 Standard HITCO--TORRANCE, CA 01/01/73 01/31/73 Low HODGSON-GREENE-HALDEMAN, SHIPBUILDERS 10/01/44 10/31/46 Standard HOFFMAN TILE COMPANY--ONTARIO, CA 11/01/62 09/30/65 Standard HOFFMAN TILE MFG. CO., INC.--ONTARIO, CA 04/01/59 04/30/59 Low HOLLADAY & CHACE--LOS ANGELES, CA 12/01/45 12/31/45 Low HOLLY OIL CO--HUNTINGTON BEACH, CA 01/01/26 03/23/67 Low HOLLY SUGAR--BRAWLEY,CA 04/01/64 11/30/73 Low HOLLY SUGAR--CARLTON, CA 09/01/60 12/31/61 Standard HOLLY SUGAR--SANTA ANA, CA 01/01/34 06/30/59 Standard HOLLYWOOD CLUB--HOLLYWOOD, CA 01/01/30 12/31/30 Low HOLLYWOOD LAUNDRY--HOLLYWOOD, CA 05/01/55 11/30/55 Low HOLLYWOOD PRESBYTERIAN HOSPITAL 02/01/52 08/31/61 Standard HOLMES TUTTLE--LOS ANGELES, CA 02/01/48 02/28/48 Low HOLT INDUSTRIES--VENICE, CA 12/01/70 02/28/71 Low pj HOME-STAKE PRODUCTION CO (LIMESTONE DIVISION)--SAHUARITA, AZ 09/01/70 09/30/70 Low research 12.13.06 HONEYWELL, INC.--GARDENA, CA 06/01/59 12/31/79 Low HONOLULU OIL CO--TAFT, CA 01/01/38 12/31/38 Low HOOKER CHEMICAL--SEARLES LAKE, CA 10/01/71 09/30/72 Low HOPPING FOUNDRY--PASADENA, CA 04/01/66 10/31/73 Low HOTEL DEL CORONADO--CORONADO ISLAND, CA 04/01/46 08/31/46 Standard HOTEL VISTA DEL ARROYO--PASADENA, CA 01/01/30 12/31/30 Low HOUSTON CHEMICAL CO--BEAUMONT, TX 01/01/68 02/28/68 Low research and request from firm 04.17.08 HOXIE, GEORGE H.--LONG BEACH, CA 07/01/52 07/31/52 Low HUB CITY LAUNDRY--COLTON, CA 10/01/48 10/31/48 Low HUDSON WATER WAYS--PORT HUENEME, CA 05/01/69 05/31/69 Low HUDSON WATER WAYS--SAN PEDRO, CA 05/01/73 02/28/74 Low HUGHES AIRCRAFT--CANOGA PARK, CA 07/01/71 07/31/71 Low HUGHES AIRCRAFT--CULVER CITY, CA 01/01/42 12/31/77 Low HUGHES AIRCRAFT--TUCSON, AZ 10/01/56 10/31/56 Low HUGHES AIRCRAFT--VENICE, CA 01/01/41 12/31/41 Low HUGHES BUILDING--SEPULVEDA, CA 01/01/58 12/31/58 Standard HUGHES RESEARCH LABORATORIES--MALIBU, CA 04/01/75 06/30/75 Low HUGHES TOOL CO--HOUSTON, TX 03/01/44 11/01/44 Low HUGO NEU-PROLER CORPORATION--TERMINAL ISLAND, CA 02/01/68 12/31/77 Standard HUGO NEW PROLER--TERMINAL ISLAND, CA 01/01/68 12/31/68 Standard

04/10/2012 17 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES HUMBLE OIL--BAYTOWN, TX 02/01/42 08/31/72 Low research and request from firm 04.17.08 HUMBLE OIL--KATY, TX 03/01/48 03/31/48 Low HUMKO PRODUCTS--BUENA PARK, CA 11/01/64 01/31/65 Standard HUNT FOODS--FULLERTON, CA 03/01/55 12/31/81 Standard HUNTER DOUGLAS CORPORATION--RIVERSIDE, CA 06/01/54 04/30/56 Standard HUNTER ENGINEERING CO--RIVERSIDE, CA 06/01/54 02/28/58 Standard HUNTINGTON BEACH HIGH SCHOOL--HUNTINGTON BEACH, CA 11/01/52 03/31/55 Standard HUNTINGTON MEMORIAL HOSPITAL--PASADENA, CA 08/01/49 12/31/69 Standard HUNTLEY HOUSE--CALIFORNIA ST, SANTA MONICA, CA 01/01/64 12/31/74 Standard HYDRAULIC DREDGING CO--SAN DIEGO, CA 01/01/40 12/31/41 Low HYDRIL CORPORATION--LOS ANGELES, CA 01/01/80 12/31/80 Low HYDRO MECHANICAL CO--LONG BEACH, CA 01/01/76 01/31/76 Low HYGRADE FOOD PRODUCTS CORPORATION--LOS ANGELES, CA 08/01/56 08/31/56 Low HYPERION SEWER TREATMENT--PLAYA DEL REY, CA 11/01/48 10/31/56 Low HYPERION TREATMENT PLANT--VENICE, CA 06/01/57 08/31/57 Low pj I.T.--CARSON, CA 02/01/80 12/31/86 Standard research 12.13.06 I.T.E. CIRCUIT BREAKER COMPANY--LOS ANGELES, CA 10/01/65 02/28/76 Low pj I.T.--WILMINGTON, CA 06/01/78 11/01/78 Low research 12.13.06 IDYLLWILD GRAMMAR SCHOOL--IDYLLWILD, CA 01/01/60 12/31/69 Standard IMMIGRATION BUILDING--SAN YISIDRO, CA 01/01/31 12/31/32 Low IMPERIAL IRRIGATION DISTRICT--EL CENTRO, CA 10/01/47 02/28/50 Low IMPERIAL IRRIGATION DISTRICT--IMPERIAL, CA 06/01/57 10/31/61 Low INDAL ALUMINUM CORPORATION--CITY OF INDUSTRY, CA 01/01/84 12/31/84 Low INDIA PAINT AND LACQUER COMPANY--LOS ANGELES, CA 01/01/37 11/30/44 Standard INDIAN STATE PRISON--COLD CREEK, NV 03/28/00 03/28/00 Standard INDUSTRIAL ENGINEERS, INC.--LOS ANGELES, CA 01/01/37 05/31/57 Low INDUSTRIAL ENGINEERS, INC.--MONTEBELLO, CA 05/01/76 05/31/76 Low INDUSTRIAL ENGINEERS, INC--GLENDALE, CA 02/01/76 02/28/76 Low INDUSTRIAL HEATER COMPANY--GARDENA, CA 02/01/58 02/28/58 Low INDUSTRIAL MANUFACTURERS, LIMITED--VERNON, CA 12/01/44 01/31/47 Low INDUSTRIAL TECTONICS--LOS ANGELES, CA 12/01/62 12/31/62 Low INDUSTRIAL TUBULAR EQUIPMENT CO.--NORTH HOLLYWOOD, CA 01/01/56 04/30/58 Low INGALLS SHIPBUILDING Co. - PACAGOULA, MS 10/23/68 10/31/68 Low land-based plate heating furnace INGLEWOOD PARK CEMETERY ASSOCI--INGLEWOOD, CA 12/01/47 01/31/71 Standard INSPIRATION CONSOLIDATED COPPER CO--INSPIRATION, AZ 09/01/69 02/28/74 Standard INTELLUX INC--SANTA BARBARA, CA 08/01/61 05/31/63 Low INTERNATIONAL BUILDING--LOS ANGELES, CA 01/01/29 12/31/29 Low INTERNATIONAL DERRICK & EQUIPMENT CO.--TORRANCE, CA 01/01/47 03/31/48 Low INTERNATIONAL EXTRUSION CORPORATION--ALHAMBRA, CA 08/01/66 12/31/84 Standard INTERNATIONAL EXTRUSION--LOS ANGELES, CA 04/01/74 04/30/74 Low INTERNATIONAL HARVESTER--SAN DIEGO, CA (SOLAR DIVISION) 06/01/51 10/31/56 Low INTERNATIONAL PAPER COMPANY--LOS ANGELES, CA 06/01/53 07/31/64 Low INTERNATIONAL PIPE & CERAMIC CORP--SOUTH GATE, CA 12/01/62 12/31/62 Low INTERPACE--CORONA, CA 12/01/64 12/31/68 Low INTERPACE--GLENDALE, CA (AKA INTERNATIONAL PIPE & CERAMICS CORPORATION) 06/01/63 12/31/78 High INTERPACE--LOS ANGELES, CA 01/01/65 04/30/76 Standard INTERPACE--MONROVIA, CA 06/01/63 07/31/63 Low INTERPACE--SAN BERNARDINO, CA 07/01/65 12/31/69 Low INTERPACE--SOUTHGATE, CA 04/01/64 04/30/66 Standard INTERPACE--VICTORVILLE, CA 04/01/71 12/31/71 Low

04/10/2012 18 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES INYO CHEMICAL COMPANY--CARTAGO, CA 01/01/28 12/31/30 Standard ISAACS BUILDING--LOS ANGELES, CA 01/01/26 12/31/26 Low ISAACSON STEEL DIVISION--SEATTLE, WA 03/01/66 03/31/66 Low ISBRANDTSEN CO--LONG BEACH, CA 09/01/52 09/30/52 Low ITALIAN TERRACOTTACOMPANY--LOS ANGELES, CA 03/01/64 03/31/64 Low ITALIAN VINEYARD--GUISTI, CA 01/01/26 12/31/28 Low J G WARNER - RESIDENCE--WHITTIER, CA 02/01/49 02/28/49 Low J K VEEDER--WEST LOS ANGELES, CA (2450 ROSCOMARE ROAD) 01/01/56 01/31/56 Low J R ORPHEUM, LIMITED--LOS ANGELES, CA 01/01/26 12/31/26 Low J. CARMER CO--GARDENA, CA 07/01/64 07/31/64 Low J.A. BAUER POTTERY COMPANY--LOS ANGELES, CA 01/01/34 08/31/45 Standard J.A. BOGUNG--LOS ANGELES, CA 10/01/53 10/31/53 Low J.A. CARTER COMPANY--COSTA MESA, CA 01/01/80 12/31/80 Low J.B. SEAGE INC--SOUTH GATE, CA 04/01/56 04/30/56 Low J.H. BAXTER & CO--LONG BEACH, CA 01/01/29 01/31/59 Standard J.T. THORPE INC--WHITTIER, CA 01/01/84 12/31/84 Low J.T. THORPE, INC.--LOS ANGELES, CA 01/01/26 05/31/73 Standard J.T. THORPE, INC--CARSON, CA 12/01/63 03/31/73 Low J.W. MACPHERSON--GLENDALE, CA 10/01/48 10/31/48 Low JAMES RIVER OF NEVADA--LOS ANGELES, CA 01/01/56 12/31/66 Standard JEFFERSON LAKE SULPHUR CO--LONG POINT, TX 06/01/45 06/30/45 Low JEFFERSON LAKE SULPHUR CO--MANDERSON, WY 07/01/54 07/31/54 Low Added based upon additional job book 07.24.07 JELCO--CANOGA PARK, CA 03/01/74 03/31/74 Low JET PROPULSION LABORATORY--PALMDALE, CA 01/01/78 12/31/78 Low JET PROPULSION LABORATORY--PASADENA, CA 12/01/55 12/31/55 Low JM COVINGTON CORPORATION--BAKERSFIELD, CA 03/01/71 03/31/71 Low JOHN MUIR HIGH SCHOOL (LAUSD), LOS ANGELES, CA 01/01/26 09/30/51 Low JOHNS-MANVILLE PRODUCTS CORPORATION--LOS ANGELES, CA 03/01/61 03/31/61 Low JOHNS-MANVILLE--CORONA, CA 12/01/72 12/31/72 Low JOHNS-MANVILLE--LOMPOC, CA 01/01/29 08/31/74 Standard JOHNS-MANVILLE--LONG BEACH, CA 01/01/41 07/31/74 Standard JOHNS-MANVILLE--WATSON, CA 10/01/49 01/31/65 Low JOHNSON SPECIALTY COMPANY--ORANGE, CA 01/01/44 12/31/44 Standard JOHNSON, ROBERT L., CORPORATION--LOS ANGELES, CA 01/01/40 12/31/40 Low JONATHAN CLUB--LOS ANGELES, CA 08/01/49 11/30/49 Low JORDAN ROGERS COMPANY--ORANGE, CA 09/01/57 09/30/57 Low JORGENSEN, EARLE M., COMPANY--LOS ANGELES, CA 01/01/78 12/31/84 Standard JORGENSON STEEL--LOS ANGELES, CA 09/01/63 01/31/69 Standard JORGENSON STEEL--LYNWOOD, CA 01/01/75 12/31/79 Standard JOSEPH SCHLITZ BREWING CO--RAYMER, CA 08/01/53 08/31/53 Low JOSEPH SCHLITZ BREWING CO--VAN NUYS, CA 09/01/53 02/28/72 Standard JOSHUA HENDY CORPORATION--LOS ANGELES, CA 04/01/75 04/30/75 Low JOSLYN PACIFIC COMPANY--DOMINGUEZ, CA 05/01/73 12/31/78 Standard JOSLYN PACIFIC COMPANY--VERNON, CA 02/01/64 03/31/67 Low K MART--SAN BERNADINO, CA 01/01/60 12/31/69 Standard pj KAISER ALUMINUM AND CHEMICAL--BEDFORD, IN 10/01/75 02/28/80 Standard research 12.13.06 KAISER ALUMINUM AND CHEMICAL--CARSON YARD, CA 01/01/87 12/31/87 Low pj KAISER ALUMINUM AND CHEMICAL--CHALMETTE, LA 11/01/77 10/31/80 Low research pj 12.13.06 KAISER ALUMINUM AND CHEMICAL--DOLTON, IL 12/01/77 04/30/82 Standard research 12.13.06 KAISER ALUMINUM AND CHEMICAL--LOS ANGELES, CA 01/01/78 12/31/78 Low

04/10/2012 19 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES KAISER ALUMINUM AND CHEMICAL--PLEASANTON, CA 10/01/68 10/31/68 Low pj KAISER ALUMINUM AND CHEMICAL--TULSA, OK 04/01/77 09/30/77 Low research 12.13.06 KAISER CEMENT & GYPSUM CORP--CARSON, CA 01/01/78 12/31/85 Standard KAISER CEMENT & GYPSUM CORP--CUSHENBURY, CA 06/01/56 10/31/75 Standard KAISER GLASS FIBERS--IRWINDALE, CA 02/01/72 09/30/72 Low KAISER GYPSUM--LONG BEACH, CA 04/01/51 05/31/74 Standard KAISER HOSPITAL--FONTANA, CA 01/01/60 12/31/63 Standard KAISER INDUSTRIES--REMACO, CO 01/01/44 12/31/44 Low KAISER REFRACTORIES--TEMPE, AZ 01/01/67 12/31/67 Low KAISER REFRACTORIES--VERNON, CA 06/01/63 01/31/64 Standard KAISER STEEL--EAGLE MOUNTAIN, CA 02/01/66 10/31/73 Standard KAISER STEEL--FONTANA, CA 01/01/42 01/31/76 High KAISER STEEL--NAPA (AKA BASALT ROCK--NAPA), CA 07/01/76 07/31/76 Low KAL KAN FOODS INC--LOS ANGELES, CA 01/01/70 01/31/70 Low KAL KAN FOODS INC--VERNON, CA 01/01/66 07/31/68 Low KALOF ALUMINUM--TORRANCE, CA 12/01/67 01/31/68 Low KALOF PAPER MILL- PORT HUENEME, CA 11/01/55 11/30/55 Low pj KAUAI ELECTRIC-PORT ALLEN POWER STATION--KAUAI, HI 03/01/71 03/31/71 Low research 12.13.06 KAWECKI CHEMICAL--WENATCHEE, WA 10/01/66 03/31/67 Low KAY BRUNER STEEL--ALHAMBRA, CA 10/01/66 11/30/75 Standard KAYNAR MANUFACTURING CO.--FULLERTION, CA 01/01/70 02/28/76 Standard KELCO CORP--SAN DIEGO, CA 01/01/29 04/30/48 Standard KENNECOTT COPPER--HAYDEN, AZ 03/01/59 09/30/68 Standard KENNECOTT COPPER--MAGNA, UT 06/01/66 06/30/66 Low KERN FOOD PRODUCTS--LOS ANGELES, CA 05/01/46 05/31/46 Low KERR GLASS--SANTA ANA, CA 04/01/70 04/30/76 Standard KERR MCGEE/AMERICAN POTASH & CHEMICAL--TRONA, CA 01/01/34 01/31/75 High KERR MCGEE--SANTA ANA, CA 01/01/52 12/31/76 Standard KERR MCGEE--WESTEND,CA 11/01/74 01/31/76 Standard KEYSTONE FABRICATING CO--COMPTON, CA 10/01/56 10/31/56 Low KEYSTONE SHIPPING CO--LONG BEACH, CA 01/01/71 07/31/72 Standard KIDDE PROCESS CORPORATION--SOUTH PASADENA, CA 09/01/62 09/30/62 Low KILN COMPANY--ARCADIA, CA 07/01/62 07/31/62 Low KIMBERLY-CLARK CORPORATION--FULLERTON, CA 07/01/55 09/30/63 Low KINZBACH TOOL CO--HOUSTON, TEXAS 03/01/44 12/31/44 Low KITCHEN FRESH FOODS--PICO RIVERA, CA 03/01/72 03/31/72 Low KLEEN TOWELL SERVICE--LOS ANGELES, CA 09/01/60 09/30/60 Low KNUDSEN FROZEN FOODS, INC--MOUNTAIN VIEW, CA 12/01/56 12/31/56 Low KOLLSMAN MINERAL--FISH LAKE, NV 01/01/65 02/28/66 Low KOPCO INC--PORT HUENEME, CA 04/01/70 02/28/73 Low KOPPERS CO--ETIWANDA, CA 01/01/60 12/31/64 Standard KOPPERS CO--FONTANA,CA 06/01/65 08/31/75 Standard KOPPERS CO--SAN BERNARDINO, CA 01/01/75 12/31/75 Standard KRIEGER OIL COMPANY--LOS ANGELES, CA 01/01/38 02/28/46 Low KROEHLER MANUFACTURING CO--INGLEWOOD, CA 01/01/49 01/31/49 Low KUHNERT SYNDICATE--INYO COUNTY, CA 01/01/28 12/31/28 Low KUHNERT SYNDICATE--SKINNER, CA 01/01/27 12/31/27 Low KYRENE POWERHOUSE (SALT RIVER PROJECT)--AZ 12/01/51 09/30/55 Standard L.W. LEFORT CO--ANAHEIM, CA 01/01/71 12/31/71 Standard LA GRANADA APARTMENTS-- ANAHEIM, CA 08/01/53 08/31/53 Low

04/10/2012 20 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES LACY MANUFACTURING CO--HUNTINGTON BEACH, CA 01/01/29 03/31/65 Standard LADYS CHOICE FOODS--LOS ANGELES, CA 09/01/64 10/31/69 Low LAMB FUNERAL HOME--PASADENA, CA 05/01/69 05/31/69 Low LANCASTER MALLEABLE CASTINGS CO--LANCASTER, PA 04/01/69 04/30/69 Low LARSON BOAT--TERMINAL ISLAND, CA 03/01/69 03/31/69 Low LAS VEGAS COUNTY COURT HOUSE--LAS VEGAS, NV 02/01/59 02/28/59 Low LAST CHANCE MINING CORPORATION--LOS ANGELES, CA 03/01/52 03/31/52 Low LATCHFORD GLASS--LOS ANGELES, CA 12/01/69 12/31/69 Low LATCHFORD MARBLE GLASS COMPANY--LOS ANGELES, CA 04/01/48 04/30/48 Low LATCHFORD, W J COMPANY--LOS ANGELES, CA 01/01/27 12/31/27 Low LAURA SCUDDERS--ANAHEIM, CA 01/01/35 12/31/35 Low LE BOW OF CALIFORNIA--BURBANK, CA 07/01/52 07/31/52 Low LE FLEUR CORPORATION--PHOENIX, AZ 11/01/65 11/30/65 Low LEA COUNTY ELECTRIC COOPERATIVE--UTAH 08/01/75 08/31/75 Low LEA COUNTY ELECTRICAL COOPERATIVE--LOVINGTON, NM 06/01/73 06/30/73 Low LEDORA APARTMENTS--LONG BEACH, CA 09/01/59 09/30/59 Low LEUZINGER HIGH SCHOOL--HAWTHORNE, CA 11/01/66 11/30/66 Low LEVER BROS CO--LOS ANGELES, CA / CITY OF COMMERCE 08/01/50 06/30/75 Standard LEWIS FOODS--LONG BEACH, CA 04/01/66 09/30/66 Low LH BUTCHER COMPANY--LOS ANGELES, CA 02/01/51 07/31/55 Standard p LIANCO CONTAINER CORP--CHICAGO, IL 02/01/71 02/28/71 Low research 09.20.07 LIBBY MCNEILL & LIBBY--BURBANK, CA 01/01/26 12/31/26 Low LIGHT & POWER PLANT--PASADENA, CA 11/01/46 11/30/46 Low LIGHT WEIGHT PROCESSING CO--VENTURA, CA 01/01/73 12/31/73 Standard LILLY SHIPPING AGENCY--LONG BEACH, CA 03/01/66 03/31/66 Low LILY TULIP CUP CO--RIVERSIDE, CA 12/01/57 12/31/57 Low LINCOLN FOUNDRY--VERNON, CA 05/01/73 05/31/73 Low LINCOLN MERCURY DIVISION--LOS ANGELES, CA 02/01/52 02/28/52 Low pj LINDBERG STEEL TREATING--LOS ANGELES, CA 02/01/79 02/28/79 Low research 12.13.06 LIQUID CARBONIC CORPORATION--LOS ANGELES, CA 09/01/45 05/31/67 Standard LIVE OAK CEMETARY ASSOCIATION--DUARTE, CA 08/01/61 08/31/61 Low LIVE OAK MEMORIAL PARK CEMETERY--MONROVIA, CA 10/01/50 02/28/64 Low LLOYD A FRY ROOFING COMPANY--COMPTON, CA 12/01/66 12/31/66 Low LOCKHEED--BURBANK, CA 02/01/49 04/30/74 Standard LOCKHEED--MAYWOOD, CA 09/01/56 09/30/56 Low LOCKHEED--PALMDALE, CA 06/01/53 06/30/53 Low LOCKHEED--SAUGUS, CA 02/01/62 12/31/64 Low LOMA LINDA MERCANTILE CO--LOMA LINDA, CA 01/01/26 12/31/59 Standard LONG BEACH HARBOR--LONG BEACH, CA 12/01/48 12/31/48 Low LONG BEACH LINEN & SUPPLY CO--LONG BEACH, CA 01/01/35 05/31/50 Low LONG BEACH MARINE REPAIR COMPANY--LONG BEACH, CA 06/01/54 10/31/63 Standard LONG BEACH NAVAL HOSPITAL--LONG BEACH, CA 06/01/45 06/30/45 Low LONG BEACH NAVAL SHIPYARD BASE ACTIVITIES, LONG BEACH, CA 06/01/57 07/31/57 Low LONG BEACH SALT COMPANY, LONG BEACH, CA 05/01/71 05/31/71 Low LONGVIEW FIBER--MAYWOOD, CA 08/01/60 08/31/60 Low LOS ANGELES ATHLETIC CLUB--LOS ANGELES, CA 01/01/26 12/31/30 Low LOS ANGELES BASKET COMPANY--GLENDALE, CA 01/01/26 12/31/26 Low LOS ANGELES BREWING COMPANY--LOS ANGELES, CA 01/01/34 08/31/53 Standard LOS ANGELES BRICK & CLAY PRODUCTS--ABERHILL, CA 01/01/26 02/01/57 Standard LOS ANGELES BRICK & CLAY PRODUCTS--SANTA MONICA, CA 01/01/26 12/31/26 Low

04/10/2012 21 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES LOS ANGELES BY-PRODUCTS--LOS ANGELES, CA 01/01/28 12/31/28 Standard LOS ANGELES CHEMICAL COMPANY--SOUTH GATE, CA 01/01/34 12/31/34 Low LOS ANGELES CITY DYE WORKS--LOS ANGELES, CA 05/01/47 05/31/47 Low LOS ANGELES COTTON PRESS--SAN PEDRO, CA 01/01/27 12/31/28 Low LOS ANGELES COUNTY CENTRAL PLANT--LOS ANGELES, CA 02/01/61 02/28/61 Low LOS ANGELES COUNTY COURTHOUSE--LOS ANGELES, CA 01/01/57 12/31/57 Standard CA 01/01/38 06/30/52 Standard LOS ANGELES COUNTY MEN'S JAIL--LOS ANGELES, CA 03/01/64 03/31/64 Low LOS ANGELES COUNTY WOMENS DETENTION CENTER--MONTEREY PARK, CA 03/01/64 03/31/64 Low LOS ANGELES CREAMERY--TULARE, CA 01/01/26 12/31/26 Low LOS ANGELES DEPT OF WATER AND POWER--SAN PEDRO, CA 07/01/49 07/31/49 Low LOS ANGELES DRUG COMPANY--LOS ANGELES, CA 01/01/27 12/31/27 Low LOS ANGELES FERTILIZER--WATSON, CA 01/01/30 12/31/35 Standard LOS ANGELES GAS COMPANY--LOS ANGELES, CA (ALISO ST) 01/01/45 12/31/47 Standard LOS ANGELES HARBOR DEPARTMENT--SAN PEDRO, CA 01/01/39 12/31/39 Low LOS ANGELES HYPERION SEWAGE DISPOSAL DEPT--LOS ANGELES, CA 04/01/56 04/30/56 Low LOS ANGELES HYPERION SEWAGE DISPOSAL DEPT--LOS ANGELES, CA 01/01/26 12/31/59 Low LOS ANGELES INTERNATIONAL AIRPORT--LOS ANGELES, CA 07/01/46 03/31/74 Standard LOS ANGELES PAPER BOX CO--BELL GARDEN, CA 12/01/67 12/31/67 Low LOS ANGELES PAPER BOX COMPANY--LOS ANGELES, CA 06/01/52 10/31/56 Low LOS ANGELES PAPER COMPANY, LOS ANGELES, CA 01/01/26 12/31/33 Standard LOS ANGELES PERIOR FURNITURE CO--LOS ANGELES, CA 11/01/47 11/30/47 Low LOS ANGELES POTTERIES--LOS ANGELES, CA 03/01/44 03/31/44 Low LOS ANGELES SHIPBUILDING--(AKA TODD PACIFIC SHIPYARD AND SHIPBUILDING 01/01/43 10/31/73 Standard 04.20.10 LOS ANGELES SOAP COMPANY--LOS ANGELES, CA 01/01/31 10/31/46 Standard LOS ANGELES STEEL CASTING--LOS ANGELES, CA 12/01/44 11/30/63 Standard LOS ANGELES SUBPORT OF EMARKATION HOSPITAL--TORRANCE, CA 01/01/43 12/31/43 Low LOS ANGELES TANKER, LOS ANGELES, CA 01/01/44 12/31/44 Low LOS ANGELES UNION PASSENGER TERMINAL, LOS ANGELES, CA 01/01/28 11/30/46 Standard LOS ANGELES WATER PLANT, LOS ANGELES, CA 01/01/53 12/31/71 Standard LOVECO--TERMINAL ISLAND, CA 11/01/73 11/30/73 Low LUCERNE CREAMERY--HANFORD, CA 01/01/36 12/31/39 Low LUCERNE MILK COMPANY--LOS ANGELES, CA 09/01/55 02/28/56 Low LUCKENBACH STEAMSHIP CO--TERMINAL ISLAND, CA 06/01/53 07/31/53 Low LUCKY LAGER BREWERY--AZUSA (ALSO SEE MILLER--AZUSA), CA 08/01/49 02/28/61 Standard LUER MEAT CO--VERNON, CA 01/01/44 01/31/56 Standard LUNDAY-THAGARD OIL COMPANY--SOUTH GATE, CA 08/01/63 12/31/68 Low M.G.R.S.--WILMINGTON, CA 03/01/61 05/31/75 Standard M.W. KELLOGG FAB SHOP--PARAMOUNT, CA 02/01/72 04/30/75 Low MACCO CONSTRUCTORS INC--PARAMOUNT, CA 03/01/49 03/31/49 Low MACMILLIAN RING FREE OIL CO--LONG BEACH, CA 08/01/73 08/31/73 Low MAGMA COPPER CO--SAN MANUEL, AZ 08/01/63 12/31/81 Standard MAGMA COPPER CO--SUPERIOR, AZ 01/01/29 12/31/29 Low MAGNESIUM ALLOY PRODUCTS COMPANY--COMPTON, CA 04/01/56 04/30/56 Low MAGNOLIA PETROLEUM CO--HODGE, TX 01/01/31 12/31/32 Low MAIER BREWING CO--LOS ANGELES, CA 01/01/34 11/30/51 Standard MAJESTIC BAKERY--LOS ANGELES, CA (1412 WEST 54TH ST) 09/01/48 09/30/48 Low MALCO REFINERIES, INC.--ROSWELL, NM 10/01/50 10/31/50 Low MALLEABLE FITTINGS, INC.--LOS ANGLES, CA 11/01/50 03/31/51 Low MANDALAY POWERHOUSE--OXNARD, CA (SCE) 01/01/56 12/31/60 Standard

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SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES MANDARIN FOOD PRODUCTS INC.--LOS ANGELES, CA 12/01/47 12/31/47 Low MANGANESE INC--HENDERSON, NV 10/01/56 10/31/56 Low MANGANESE ORE CO--BOULDER CITY, NV 01/01/43 12/31/43 Low MANGANESE ORE CO--ROYSON, NV 01/01/42 12/31/42 Low MARATHON STEEL--TEMPE, AZ 01/01/73 01/31/73 Low MAREMONT CORPORATION, GRIZZLY BRAKE DIVISION--LOS ANGELES, CA 07/01/61 07/31/61 Low MARINE CORPS AIR STATION--MIRAMAR, CA 04/01/45 04/30/45 Low MARINE REFINING CORPORATION--VERNON, CA 01/01/26 12/31/59 Standard MARION HOSPITAL--SANTA MARIA, CA 01/01/63 12/31/80 Standard MARITIME PETROLEUM COMPANY--WILMINGTON, CA 12/01/48 12/31/48 Low MARKOFF MOZAIC TILE CO--INGLEWOOD, CA 01/01/28 12/31/28 Low MARQUARDT AIRCRAFT COMPANY--OGDEN, UT 08/01/66 08/31/66 Low MARQUARDT CORPORATION--SAUGUS, CA 01/01/59 06/30/66 Standard MARQUARDT CORPORATION--VAN NUYS, CA 10/01/56 08/31/74 Standard MARTIN SHIP SERVICE COMPANY OF WILMINGTON--WILMINGTON, CA 01/01/42 07/31/45 Standard MARTIN-MARIETTA ALUMINUM--TORRANCE, CA 07/01/72 06/30/73 Low MARTIN-MARIETTA--CARSON, CA 08/01/73 06/30/76 Standard MARTIN-MARIETTA--CUCAMONGA, CA 08/01/64 09/30/64 Low MARTIN-MARIETTA--LONG BEACH, CA 02/01/73 02/28/73 Low MARTIN-MARIETTA--THE DALLES, OR 11/01/63 03/31/64 Low MARTIN-MARIETTA--TORRANCE, CA 07/01/72 12/31/80 High MARTIN-MARIETTA--WILMINGTON, CA 06/01/72 08/31/73 Standard MARTINOLICH SHIPYARD--SAN DIEGO, CA 09/01/54 09/30/54 Low MASTER BUILDERS--CUCAMONGA, CA 04/01/69 10/31/71 Low MASTER CLEANERS & DRYERS--LONG BEACH, CA 01/01/50 01/31/50 Low MATSON NAVIGATION--LONG BEACH/TERMINAL ISLAND, CA 10/01/47 03/31/04 Standard MAX WEIL OF CALIFORNIA--LOS ANGELES, CA 03/01/48 09/30/49 Standard MAY COMPANY, THE--LOS ANGELES, CA 01/01/31 05/31/47 Standard MAY INC--HOUSTON, TX 02/01/63 02/28/63 Low research and request from firm 04.17.2008 MAYWOOD SHOPS--MAYWOOD, CA 08/01/46 08/31/46 Low MCCLATCHIE MANUFACTURING CO--COMPTON, CA 01/01/34 12/31/35 Standard MCCORMICK STEAMSHIP CO--LOS ANGELES, CA 01/01/44 12/31/44 Low MCDONNELL DOUGLAS--CULVER CITY, CA 12/01/56 12/31/56 Low MCDONNELL DOUGLAS--EL SEGUNDO, CA 01/01/38 08/31/72 Standard MCDONNELL DOUGLAS--HUNTINGTON BEACH, CA 02/01/75 03/31/75 Low MCDONNELL DOUGLAS--LONG BEACH, CA (3855 LAKEWOOD BLVD.) 07/01/62 04/30/65 Standard MCDONNELL DOUGLAS--SANTA MONICA, CA 10/01/56 10/31/56 Low MCDONNELL DOUGLAS--TORRANCE, CA 08/01/54 09/30/54 Low MCKEON CANNING COMPANY INC--BURBANK, CA 07/01/54 07/31/54 Low MCKINLEY BOY'S HOME--SAN DIMAS, CA 08/01/47 08/31/47 Low MCKINLEY JUNIOR HIGH SCHOOL--PASADENA, CA 01/01/26 12/31/26 Low MCKINNEY HARDWOOD COMPANY--LOS ANGELES, CA 02/01/50 02/28/50 Low MCKINNEY LUMBER CO--LOS ANGELES, CA 04/01/47 04/30/47 Low MCMILLAN REFINERY--LONG BEACH, CA 02/01/64 12/31/67 Low MCRAE PAINT PRODUCTS--LOS ANGELES, CA 01/01/28 12/31/29 Standard MEAD JOHNSON & CO--TORRANCE, CA 01/01/40 11/30/49 Standard MEG-A-THERM--TORRANCE, CA 04/01/56 04/30/56 Low MELODY RECORD COMPANY--HOLLYWOOD, CA 03/01/46 03/31/46 Low MELROSE ABBEY--ANAHEIM, CA 01/01/69 01/31/69 Low MENASCO MANUFACTURING--BURBANK, CA 01/01/42 12/31/42 Low

04/10/2012 23 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES MERCHANTS ICE & COLD STORAGE--LOS ANGELES, CO 01/01/26 12/31/42 Low MERCHANTS ICE & COLD STORAGE--SAN FRANCISCO, CA 03/07/67 03/19/67 Low MERCHANTS PACKING--LOS ANGELES, CA 01/01/39 12/31/39 Low MERCURY MINES OF AMERICA--GLOBE, AZ 01/01/28 12/31/28 Low MERCY HOSPITAL--BAKERSFIELD, CA 09/01/46 09/30/46 Low MERCY HOSPITAL--SAN DIEGO, CA 08/01/46 09/30/46 Low MERIT METAL CORP--LOS ALAMITOS, CA 10/01/68 10/31/68 Low MERRITT AIR CONDITIONING--PHOENIX, AZ 01/01/30 12/31/30 Low METAL CAL DIVISION OF AVERY PRODUCTS--INGLEWOOD, CA 02/01/66 02/28/66 Low METALLURGICAL CONSULTANTS INC.--MONTEBELLO, CA 12/01/63 12/31/63 Low METALS REFINING CORPORATION--LOS ANGELES, CA 01/01/26 12/31/64 Standard METHODIST HOSPITAL OF SOUTHERN CALIFORNIA--ARCADIA, CA 01/01/29 12/31/29 Low METROPOLITAN AIRPORT--VAN NUYS, CA 01/01/44 12/31/44 Low METROPOLITAN INSURANCE COMPANY--LOS ANGELES, CA 11/01/60 11/30/60 Low METROPOLITAN STATE HOSPITAL--NORWALK, CA 12/01/75 12/31/75 Low MFG--LOS ANGELES, CA 02/01/74 02/28/74 Low MIAMI COPPER COMPANY--MIAMI, AZ 01/01/28 12/31/28 Low MID-WAY HOSPITAL--LOS ANGELES, CA 02/01/55 02/28/55 Low MIDWEST PIPING & SUPPLY CO--LOS ANGELES, CA 01/01/42 01/31/63 Low MIDWEST RUBBER COMPANY--BARBERTON, OH 01/01/54 01/31/54 Low MILLER BREWERY--AZUSA (WAS LUCKY LAGER--AZUSA), CA 05/01/67 11/30/68 Low MILLER SOAP PRODUCTS--LOS ANGELES, CA 04/01/47 04/30/47 Low MILLS IRON WORKS--GARDENA, CA 07/01/65 11/30/67 Low MINERALS PROCESSING COMPANY--LOS ANGELES, CA 01/01/31 12/31/43 Low MISSION CLAY PRODUCTION--SANTA FE SPRINGS, CA 02/01/73 02/28/73 Low MISSION DRY CORPORATION--LOS ANGELES, CA 01/01/39 12/31/39 Low p MOBIL, BEAUMONT, TX 06/01/71 06/30/71 Low request from firm 04.17.08 MOBIL--FERNDALE, WA 07/01/72 07/31/72 Low MOBIL--LONG BEACH, CA 06/01/66 06/30/66 Low MOBIL--SANTA FE SPRINGS, CA 11/01/65 05/31/72 Standard MOBIL--TORRANCE/WILMINGTON, CA 11/01/60 07/31/76 High MOBIL--VERNON, CA 09/01/69 09/30/69 Low MOHAWK OIL--SANTA FE SPRINGS, CA 01/01/26 12/31/26 Low MOHAWK REFINERY (GETTY OIL)--BAKERSFIELD, CA 01/01/39 03/31/46 Standard MOJAVE POWERHOUSE (SCE)--LAUGHLIN, NV 01/01/74 12/31/77 Standard MOLYCORP, INCORPORATED--MOUNTAIN PASS, CA 05/01/76 05/31/76 Low MONARCH REFINERIES--SAN DIEGO, CA 01/01/34 12/31/34 Low MONARCH SMELTING AND REFINING CO INC--SAN DIEGO, CA 07/01/68 07/31/68 Low MONOLITH PORTLAND CEMENT--LOS ANGELES, CA 01/01/34 11/30/55 Standard MONOLITH PORTLAND CEMENT--TEHACHAPI, CA 01/01/33 12/31/33 Low MONROVIA LAUNDRY--MONROVIA, CA 01/01/40 12/31/40 Low MONSANTO CHEMICAL--AVON, CA 12/01/62 12/31/62 Low MONSANTO CHEMICAL--LONG BEACH, CA 09/01/61 06/30/69 Standard MONSANTO CHEMICAL--PARAMOUNT, CA 10/01/65 01/31/76 Standard MONSANTO CHEMICAL--WILMINGTON, CA 06/01/71 06/30/71 Low MONSANTO--LONG BEACH, CA 03/01/68 05/31/76 High MONTEREY OIL COMPANY--HUNTINGTON BEACH, CA 01/01/57 12/31/57 Low MONTROSE CHEMICAL CORPORATION--TORRANCE, CA 05/01/53 05/31/73 Standard MOORELAND MOTOR TRUCK CO--BURBANK, CA 01/01/26 12/31/26 Low MORGAN LAUNDRY SERVICE, INC--LOS ANGELES, CA 03/01/47 03/31/47 Low

04/10/2012 24 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES MORRIS INDUSTRIES--MAYWOOD, CA 10/01/73 10/31/73 Low MORRIS P. KIRK & SON--LOS ANGELES, CA 01/01/43 10/31/73 Standard MOTION PICTURE COUNTRY HOUSE AND HOSPITAL--WOODLAND, CA 03/01/55 03/31/55 Low MOULTON CERAMIC MOLD & PATTERN--INGLEWOOD, CA 02/01/49 02/28/49 Low MOUNTAIN VIEW DAIRIES--LONG BEACH/LOS ANGELES, CA 01/01/31 12/31/32 Low MOUNTAIN VIEW DIARIES, INC--LONG BEACH, CA 08/01/50 08/31/50 Low MR WHITE (SHELL OIL) RESIDENCE--LOS ANGELES, CA 01/01/26 12/31/26 Low MUELLER COMPANY--BREA, CA 11/01/65 11/30/65 Low MUELLER COMPANY--LOS ANGELES, CA 01/01/37 12/31/37 Low MULLIN LUMBER COMPANY--LOS ANGELES, CA 02/01/50 02/28/50 Low MUNGER LAUNDRY--SAN DIEGO, CA 01/01/38 12/31/38 Low MUNGER' S LAUNDRY--SAN DIEGO, CA 08/01/50 08/31/50 Low MUNICIPAL LIGHT & POWER DEPARMENT--PASADENA, CA 07/01/57 07/31/57 Low MUTUAL CITRUS PRODUCTS CO--ANAHEIM, CA 09/01/46 09/30/46 Low MUTUAL DAIRY ASSOCIATION--LOS ANGELES, CA 01/01/26 12/31/26 Low MYERS DRUM COMPANY--LOS ANGELES, CA 02/01/59 02/28/76 Standard NALCO CHEMICALS--SOUTH GATE, CA 07/01/53 12/31/73 Standard NATIONAL BISCUIT CO--BUENA PARK, CA 01/01/26 12/31/26 Low NATIONAL CHLORIDE CO--AMBOY, CA 09/01/63 09/30/63 Low NATIONAL CONTAINER CORPORATION--LOS ANGELES, CA 08/01/50 08/31/50 Low NATIONAL ENAMELING & FOUNDRY CO--LOS ANGELES, CA 01/01/37 12/31/49 Standard NATIONAL GAS EQUIPMENT CO--LOS ANGELES, CA 01/01/35 12/31/35 Low NATIONAL GYPSUM CO--LONG BEACH, CA 02/01/70 02/28/70 Low NATIONAL LEAD & CHEMICAL--SALT LAKE CITY, UT 11/01/71 11/30/71 Low NATIONAL LEAD CO--LOS ANGELES, CA 03/01/74 03/31/76 Low NATIONAL LEAD CO--ROWLEY, UT 10/01/71 07/31/75 Standard NATIONAL LEAD CO--SALT LAKE CITY, UTAH 01/01/73 01/31/73 Low NATIONAL MALLEABLE & STEEL CORPORATION--TEMPE, AZ 11/01/59 11/30/59 Low NATIONAL METAL & MINING CO--SOLVANG, CA 07/01/45 07/31/45 Low NATIONAL METAL & STEEL CO--TERMINAL ISLAND, CA 05/01/47 01/31/76 Standard NATIONAL MILLING AND MINING--SUNFLOWER, AZ 01/01/44 12/31/44 Low NATIONAL PAPER--SOUTHGATE, CA 01/01/26 12/31/59 Low NATIONAL SALES--LONG BEACH, CA 11/01/67 11/30/67 Low NATIONAL SCREW & MANUFACTURING CO OF CALIFORNIA--LOS ANGELES,CA 10/01/54 05/31/69 Standard NATIONAL SCREW--COMMERCE, CA 01/01/70 05/31/72 Low NATIONAL SHIP SERVICE--LOS ANGELES, CA 01/01/46 04/30/46 Standard NATIONAL SODA PRODUCTS--KEELER, CA 01/01/36 03/31/52 Standard NATIONAL STEEL & SHIPBUILDING--SAN DIEGO, CA 01/01/41 12/31/89 Standard NATIONAL SUPPLY DIV.--TORRANCE, CA 01/01/37 02/28/69 Low NATIONAL TANK & MANUFACTURING COMPANY--LOS ANGELES, CA 09/01/61 09/30/71 Standard NAVAL AIR STATION NORTH ISLAND--SAN DIEGO, CA 01/01/41 03/31/45 Low NAVAL CONSTRUCTION BATTALION CENTER--PORT HUENEME, CA 12/01/64 06/30/74 Low NAVAL COVALESCENT HOSPITAL--BANNING, CA 03/01/45 03/31/45 Low NAVAL ELECTRONIC LAB--POINT LOMA, SAN DIEGO, CA 10/01/51 10/31/51 Low NAVAL HOSPITAL--CORONA, CA 01/01/43 01/31/46 Standard NAVAL HOSPITAL--SAN DIEGO, CA 01/01/27 12/31/27 Low NAVAL OPERATING BASE--SAN DIEGO, CA 01/01/28 12/31/28 Low NAVAL OPERATING BASE--TERMINAL ISLAND, CA 01/01/44 12/31/44 Low NAVAL ORDANCE TEST STATION--INYOKERN, CA 12/01/44 12/31/44 Low NAVAL ORDNANCE TEST STATION--CHINA LAKE, CA 04/01/45 01/31/59 Standard

04/10/2012 25 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES NAVAL RECEIVING STATION--TERMINAL ISLAND, CA 05/01/49 05/31/49 Low NAVAL REPAIR FACILITY--SAN DIEGO, CA (32ND STREET ANNEX) 01/01/45 12/31/83 Standard NAVARRO APARTMENTS--LOS ANGELES, CA 01/01/31 12/31/32 Low NEW YORK OHIO CHEMICAL CORPORATION--DOMINGUEZ, CA 05/01/45 05/31/45 Low NEWHALL REFINERY--NEWHALL, CA 01/01/47 04/30/52 Low NICHOLAS CONVEYOR & ENGINEERING COMPANY--LOS ANGELES, CA 05/01/50 05/31/50 Low NICHOLS ENGINEERING & RESEARCH CORP--POMONA, CA 07/01/76 07/31/76 Low NISSION FOODS USA CO INC--GARDENA, CA 12/01/75 03/31/76 Low NL INDUSTRIES--LOS ANGELES, CA 01/01/74 06/30/76 Standard NORAIR DIVISION--HAWTHORNE, CA 10/01/62 10/31/62 Low NORMAN PITT, INC.--LOS ANGELES, CA 05/01/71 07/31/76 Low NORRIS INDUSTRIES--CARSON, CA 12/01/73 12/31/73 Low NORRIS INDUSTRIES--CITY OF INDUSTRY, CA 04/01/74 07/31/76 Low NORRIS INDUSTRIES--MAYWOOD, CA 03/01/70 02/28/75 Standard NORRIS INDUSTRIES--VERNON, CA 11/01/51 06/30/76 Standard NORRIS STAMPING & MANUFACTURING CO--LOS ANGELES, CA 03/01/46 07/31/50 Standard NORRIS THERMADOR CORPORATION--VERNON, CA 02/01/48 12/31/68 High NORRIS THERMADOR CORPORATION--VERNON, CA (AKA N.I. INDUSTRIES, NORRIS 02/01/48 12/31/68 High NORRIS THERMADOR CORPORATION--WALNUT, CA 05/01/55 07/31/64 Standard NORTH AMERICAN WIRE MILLS--CITY OF INDUSTRY, CA 04/01/62 04/30/62 Low NORTH AMERICAN AVIATION CO--WILMINGTON, CA 02/01/63 02/28/63 Low NORTH AMERICAN ROCKWELL--ANAHEIM, CA 06/01/63 06/30/63 Low NORTH AMERICAN ROCKWELL--CANOGA PARK, CA 05/01/59 10/31/59 Low NORTH AMERICAN ROCKWELL--CHATSWORTH, CA 08/01/72 08/31/72 Low NORTH AMERICAN ROCKWELL--DOWNEY, CA 01/01/68 12/31/69 Standard NORTH AMERICAN ROCKWELL--EL SEGUNDO, CA 02/01/56 07/31/74 Standard NORTH AMERICAN ROCKWELL--HAWTHORNE, CA 08/01/64 08/31/64 Low NORTH AMERICAN ROCKWELL--INGLEWOOD, CA 09/01/64 09/30/64 Low NORTH AMERICAN ROCKWELL--LAX, LOS ANGELES, CA 09/01/63 12/31/64 Low NORTH ONTARIO DRIED FRUIT CO--LOS ANGELES,CA 07/01/46 07/31/46 Low NORTHERN NATURAL GAS COMPANY--HOBBS, NM 02/01/75 02/28/75 Low NORTHROP AVIATION--HAWTHORNE, CA 05/01/64 06/30/71 Standard NORTHROP-(1 HORNET WAY), EL SEGUNDO, CA 08/01/57 08/31/57 Low NORTHWEST PAPER COMPANY--POMONA, CA 06/01/66 06/30/66 Low NORWALK STATE HOSPITAL--NORWALK, CA 01/01/26 12/31/26 Low NOYES ROACH COMPANY & C.L. PECK CONTRACTING--LOS ANGELES, CA 05/01/68 05/31/68 Low NUKEM PRODUCTS CORP, MERIT WESTERN--LOS ANGELES, CA 05/01/51 05/31/51 Low p NUUANU MEMORIAL PARK MORTUARY LTD--HONOLULU, HI 06/01/50 06/30/50 Low research 09.20.07 OCEAN LABS--PORT HUENEME, CA 02/01/74 02/28/74 Low OCEAN SALT COMPANY--LONG BEACH, CA 03/01/70 06/30/71 Low O'CONNOR ENGINEERING LABS--CARSON, CA 05/01/75 05/31/75 Low ODD FELLOWS TEMPLE ASSOCIATION--LOS ANGELES, CA 08/01/50 07/31/51 Low OFFCO ACQUISITION CORPORATION--LONG BEACH, CA 05/01/71 05/31/71 Low OIL FIELD CONSTRUCTION CO (OFCCO)--MONTEBELLO, CA 01/01/39 06/30/59 Low OIL OPERATORS--LONG BEACH, CA 01/01/38 06/30/48 Low O'KEEFE & MERRITT STOVE CO--EAST LOS ANGELES, CA 01/01/35 12/31/47 Standard O'KELLY ECCLES COMPANY--IRWINDALE, CA 12/01/62 05/31/66 Low OLD COLONY PAINT & CHEMICAL COMPANY--LOS ANGELES, CA 10/01/44 08/31/56 Standard OLD RANCHERS CANNING COMPANY--UPLAND, CA 11/01/46 11/30/46 Low OLIVE VIEW TUBERCULOSIS SANITARIUM, UPLAND, CA 01/01/38 12/31/38 Low

04/10/2012 26 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES OLYMPIC STEAMSHIP CO, INC.--SEATTLE, WA 10/01/51 10/31/51 Low ONTARIO LAUNDRY--ONTARIO, CA 01/01/39 08/31/49 Low ORANGE CANNING COMPANY--ORANGE, CA 04/01/56 04/30/56 Low ORANGE COAST COLLEGE--COSTA MESA, CA (2701 FAIRVIEW RD) 06/01/53 12/31/53 Standard ORANGE COUNTY HOSPITAL--ORANGE, CA 12/01/62 12/31/62 Low gpj ORANGE COUNTY LINEN SUPPLY--ANAHEIM, CA 01/01/38 12/31/86 Low book gpjresearcg 12.13.06 ORANGE COUNTY SANITATION DISTRICT PLANT #1--FOUNTAIN VALLEY, CA 08/01/68 12/31/86 Standard book research and modified exposure level 07.24.07 ORANGE COUNTY SANITATION PLANT--HUNTINGTON BEACH, CA 07/01/68 07/31/68 Low pj ORANGE COUNTY SANITATION--CARSON, CA 12/01/71 12/31/71 Low researchpj 12.13.06 ORANGE COUNTY SANITATION--ORANGE, CA 08/01/80 08/31/80 Low research 12.13.06 ORANGE COUNTY STEEL SALVAGE--ANAHEIM, CA 01/01/76 01/31/76 Low ORANGE COUNTY TILE CO--HUNTING BEACH, CA 07/01/57 01/31/59 Low ORANGE PRODUCTS INC--ONTATRIO, CA 08/01/60 08/31/60 Low ORMAND BEACH POWERHOUSE--OXNARD, CA (SCE) 01/01/57 12/31/60 Standard OSCAR MAYER & CO--LOS ANGELES, CA 10/01/56 11/30/62 Low OSCAR MEYER PACKING CO--VERNON, CA 10/01/56 11/30/59 Low OWENS ILLINOIS--EL CERRITO, CA 02/01/73 11/30/74 Standard OWENS ILLINOIS--LOS ANGELES, CA 01/01/41 12/31/41 Low OWENS ILLINOIS--PORTLAND, OR 01/01/71 12/31/86 Standard OWENS ILLINOIS--SAN JUAN CAPISTRANO, CA 04/01/76 04/30/76 Low OWENS-ILLINOIS GLASS COMPANY--VERNON, CA 10/01/62 10/31/62 Low OWENS-ILLINOIS--CORONA, CA 01/01/63 04/30/73 Low OWENS-ILLINOIS--MISSION VIEJO, CA 05/01/71 05/31/71 Low OWENS-ILLINOIS--VERNON, CA 01/01/52 12/31/76 Standard OWL TRUCK & CONSTRUCTION CO--LOS ANGELES, CA 01/01/59 01/31/59 Standard OWL TRUCK CONSTRUCTION COMPANY-TEXACO, INC--WILMINGTON,CA 05/01/61 05/31/61 Low PABCO PRODUCTS, INC--WILMINGTON, CA 05/01/55 05/31/55 Low PABCO--SOUTHGATE, CA 05/01/51 05/31/55 Standard PABST BREWERY--LOS ANGELES, CA 05/01/54 09/30/66 Standard PACIFIC ABRASIVE SUPPLY--LOS ANGELES, CA 01/01/28 12/31/28 Low PACIFIC ALKALAI COMPANY--BARTLETT, CA 01/01/30 12/31/32 Standard PACIFIC ATLANTIC STEAMSHIP CO--LONG BEACH, CA 06/01/51 10/31/56 Low PACIFIC CHROMALOX, INC--GARDENA, CA 09/01/57 09/30/57 Low PACIFIC CLAY PRODUCTS--CORONA, CA 01/01/59 12/31/60 Standard PACIFIC CLAY PRODUCTS--LOS ANGELES, CA 01/01/27 12/31/59 High PACIFIC CLAY PRODUCTS--LOS NIETOS, CA 01/01/26 07/31/64 High PACIFIC CLAY PRODUCTS--POMONA, CA 08/01/52 08/31/52 Low PACIFIC CLAY PRODUCTS--SANTA FE SPRINGS, CA 01/01/26 02/28/74 Standard PACIFIC COAST BORAX COMPANY--BORON, CA 03/01/44 09/30/48 Standard PACIFIC COAST BORAX COMPANY--WILMINGTON, CA 01/01/26 12/31/59 High PACIFIC COAST TRANSPORT--WILMINGTON, CA 06/01/62 10/31/66 Standard PACIFIC COLONY--SPADRA, CA 01/01/38 12/31/38 Low PACIFIC CONVEYOR CO.--DOWNEY, CA 09/01/71 09/30/71 Low PACIFIC CRAKER CO--SANTA FE SPRINGS, CA 07/01/65 07/31/65 Low PACIFIC CRANE & RIGGING CO--PARAMOUNT, CA 01/01/60 12/31/61 Standard PACIFIC FAR EAST LINES, INC.--WILMINGTON, CA 04/01/49 03/31/76 Standard PACIFIC FELLOWS--CARSON, CA 04/01/74 04/30/74 Low PACIFIC FINANCE BUILDING--LOS ANGELES, CA 01/01/38 12/31/38 Low PACIFIC FRUIT EXPRESS--SAN BERNADINO, CA 01/01/41 12/31/41 Low PACIFIC FRUIT EXPRESS--TUSCON, AZ 01/01/26 12/31/26 Low

04/10/2012 27 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES PACIFIC GOODRICH--LOS ANGELES, CA 01/01/28 12/31/34 Standard PACIFIC LIGHTING--SIGNAL HILL, CA 01/01/44 12/31/44 Low PACIFIC PUMP CO--HUNTINGTON PARK, CA 11/01/60 09/30/73 Standard PACIFIC R & H CHEMICAL COMPANY--LOS ANGELES, CA 01/01/34 12/31/34 Low PACIFIC SINTERED METALS CO--GARDENA, CA 07/01/55 06/30/76 Standard PACIFIC SMELTING--TORRANCE, CA 09/01/65 07/31/76 High PACIFIC SOAP COMPANY, LIMITED--LOS ANGELES, CA (6830 MCKINLEY) 03/01/45 03/31/45 Low PACIFIC SOUTHERN FOUNDRY--BAKERSFIELD, CA 05/01/65 05/31/65 Low PACIFIC STATE HOSPITAL--POMONA, CA DBA: LANTERMAN DEVELOPMENTAL CENTER 03/01/58 08/31/60 Low PACIFIC STATES OIL--WILMINGTON, CA 01/01/39 02/28/48 Standard PACIFIC TELEPHONE & TELEGRAPH CO--LOS ANGELES, CA 11/01/61 11/30/61 Low PACIFIC TILE & PORCELAIN CO--HYNES, CA 01/01/47 01/31/47 Low PACIFIC TILE & PORCELAIN--PARAMOUNT, CA 02/01/49 02/28/65 Low PACIFIC TUBE CO--EAST LOS ANGELES, CA 01/01/43 12/31/43 Low PACIFIC VALVES SHOP--LONG BEACH, CA 05/01/70 11/30/75 Standard PACIFIC WELDING ALLOYS MANUFACTURING CO--LOS ANGELES, CA 08/01/51 08/31/51 Low PACIFIC WESTERN IND--KERN PLNT, LEBEC, CA 04/01/66 01/31/67 Low PALISADES TRAILER BOWL--SANTA MONICA, CA 05/01/55 05/31/55 Low PALOMAR REFINING CO--BAKERSFIELD, CA 01/01/37 12/31/37 Low PAN AMERICAN PETROLEUM CO--WHITTIER, CA 01/01/26 12/31/26 Low pj PARAFFINE COMPANIES, INC., THE--SOUTH GATE, CA 06/01/46 05/31/51 Standard research 12.13.06 PARK LA BREA APTS--LOS ANGELES, CA (FAIRFAX/WILSHIRE) 06/01/49 04/30/62 Standard PASADENA COOPERATIVE DAIRY--PASADENA, CA 01/01/27 12/31/27 Low PASADENA DEPARTMENT OF WATER AND POWER--PASADENA, CA 01/01/75 01/31/75 Low PASADENA MUNICIPAL LIGHT AND POWER--PASADENA, CA 01/01/26 02/28/63 Standard PASADENA STEAM PLANT--PASADENA, CA 11/01/64 11/30/64 Low PASCOE STEEL CORPORATION--POMONA,CA 08/01/74 08/31/74 Low PASO ROBLES SCHOOL FOR BOYS--PASO ROBLES, CA 11/01/53 11/30/53 Low PATENT SCAFFOLDING COMPANY--LOS ANGELES, CA 05/01/50 05/31/50 Low PATHWAY BELLOWS INC--EL CAJON, CA 09/01/73 09/30/73 Low PATHWAY BELLOWS--CARSON, CA 04/01/74 07/31/75 Low PATHWAY BELLOWS-DIAMOND SHAMROCK--OXNARD, CA 01/01/78 12/31/78 Low PATTERN BLINN LUMBER CO--WILMINTON, CA 08/01/46 10/31/54 Standard PATTON STATE HOSPITAL--SAN BERNARDINO, CA 01/01/29 08/31/45 Standard PAX METAL CORPORATION--LOS ANGELES, CA 10/01/49 10/31/49 Low yg PEARL HARBOR NAVAL SHIPYARD - HONOLULU, HI 03/01/75 03/31/0975 Low abatement facilities PEDRO POTTERIES--LOS ANGELES, CA 01/01/38 12/31/38 Low PEERLESS LAUNDRY SERVICES--LOS ANGELES, CA 09/01/55 09/30/55 Low PEERLESS LAUNDRY--SAN DIEGO, CA 01/01/40 12/31/40 Low PELTON BLH CORP (AKA PELTON DIVISION OF BALDWIN-LIMA-HAMILTON CORPORATION) 10/01/59 12/31/59 Standard PENNZOIL CHEMICAL--HANFORD, CA 01/01/28 12/31/28 Low PEPSI COLA BOTTLING COMPANY OF LOS ANGELES--TORRANCE, CA 01/01/42 12/31/42 Low PERMANENTE CEMENT PLANT--LUCERNE, CA 03/01/62 05/31/64 Standard PETERSON MANUFACTURING--LOS ANGELES, CA 01/01/44 12/31/44 Low PETROL CORP--BANDINI BLVD, LOS ANGELES, CA 01/01/31 08/31/50 Standard PETROLEUM EQUIPMENT--LOS ANGELES, CA 01/01/31 12/31/32 Low PETROLEUM MIDWAY CO--WATSON, CA 01/01/26 12/31/26 Low PETROLEUM PROCESS CO--TORRANCE, CA 01/01/27 12/31/27 Low PETROLEUM SECURITIES--VENTURA, CA 01/01/28 12/31/28 Low PFIZER, CHAS & COMPANY--LUCERNE VALLEY, CA 12/01/64 10/31/74 Low

04/10/2012 28 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES PG&E--MORRO BAY, CA 05/01/57 05/31/57 Low PHELPS DODGE TUBE CO--PLASS, NM 01/01/75 12/31/76 Standard PHELPS-DODGE CORPORATION--AJO, AZ 05/01/48 04/30/74 Standard PHELPS-DODGE CORPORATION--DOUGLAS, AZ 01/01/26 01/31/72 Standard PHELPS-DODGE CORPORATION--LOS ANGELES, CA 07/01/56 06/30/76 High PHELPS-DODGE CORPORATION--MORENCI, AZ 01/01/41 06/30/76 Standard PHILADELPHIA QUARTZ CO--SOUTHGATE, CA 01/01/31 06/30/76 Standard PHILIP R. PARK INC--SAN PEDRO, CA 06/01/59 05/31/66 Standard PHILIPPINE PRESIDENT LINES--LONG BEACH, CA 01/01/70 11/30/70 Low PHILLIPS PETROLEUM--AVON, CA 08/01/75 08/31/75 Low PHILLIPS PETROLEUM--SANTA BARBARA, CA 02/01/69 02/28/69 Low PHOENIX CEMENT COMPANY--CLARKDALE, AZ 01/01/59 12/31/59 Standard PICO STEAM BATH--LOS ANGELES, CA 06/01/59 05/31/65 Low PIER 85--SAN PEDRO, CA 01/01/83 12/31/83 Low PILLSBURY MILLS INC--EAST LOS ANGELES, CA 10/01/51 08/31/52 Low PIONEER ALUMINUM COMPANY--SOUTHGATE, CA 03/01/61 05/31/62 Standard PIONEER ALUMINUM, EL SEGUNDO/SOUTHGATE, CA 01/01/70 01/31/70 Low PIONEER PACIFIC WORSTED CO--LOS ANGELES, CA 01/01/26 12/31/59 Low PIONEER PAPER--LOS ANGELES, CA 01/01/26 12/31/59 Standard PIPE SPECIALTY CO--NEWPORT BEACH,CA 06/01/45 06/30/45 Low PITTSBURG CHEMICAL--LOS ANGELES, CA 01/01/42 01/31/46 Standard PITTSBURG PLATE GLASS--TORRANCE, CA 04/01/52 06/30/59 Low PITTSBURGH PLATE GLASS (PPG INDUSTRIES)--FRESNO, CA 10/01/63 10/31/63 Low PLESSEY PRECISION METALS--LOS ANGELES, CA 10/01/74 06/30/76 Low PLIBRICO COMPANY--LOS ANGELES, CA 01/01/31 12/31/32 Low POLY INDUSTRIES--PACOIMA, CA 05/01/65 05/31/65 Low POMONA FOUNDRY--POMONA, CA 08/01/64 08/31/64 Low POMONA TILE CO--PASADENA, CA 02/01/46 10/31/46 Low POMONA TILE--POMONA, CA 01/01/27 12/31/68 Standard POMONA VALLEY HOSPITAL, POMONA, CA 01/01/60 12/31/65 Standard POPE & TALBOT--WILMINGTON, CA 12/01/50 12/31/50 Low PORT HUENEME SEWAGE TREATMENT PLANT, PORT HUENEME, CA 12/01/64 12/31/64 Low PORT WELDING--LONG BEACH,CA 06/01/68 05/31/75 Standard PORT WELDING--PORT HUENEME, CA 08/01/70 08/31/70 Low PORT WELDING--REDONDO BEACH, CA 12/01/74 12/31/74 Low PORTERVILLE STATE HOSPITAL--PORTERVILLE, CA 07/01/51 07/31/51 Low PORTLAND GAS & COKE CO--PORTLAND, OR 01/01/41 12/31/41 Low PORTLAND TUG & BARGE--PORTLAND, OR 10/01/46 10/31/46 Low POST TRANSPORTATION COMPANY--CARSON, CA 05/01/76 05/31/76 Low POTLATCH FOREST INC--POMONA, CA 07/01/53 02/28/58 Low POWERINE OIL--SANTA FE SPRINGS, CA 03/01/59 04/30/76 Standard POZZOLAN PRODUCTS--CASMALIA, CA 08/26/69 10/31/69 Low PRECISION HEAT TREATING COMPANY--MONTEBELLO, CA 11/01/72 07/31/76 Standard PRECISION STAINLESS PRODUCTS--BELL GARDENS, CA 03/01/75 03/31/75 Low PRICE-PFISTER BRASS MANUFACTURING CO--LOS ANGELES,CA 07/01/55 07/31/55 Low PRIDE PACKING COMPANY INC--VERNON,CA 04/01/56 04/30/56 Low PROCTOR & GAMBLE--LONG BEACH, CA 01/01/31 02/28/76 High PRODUCTION STEEL CO.--LOS ANGELES, CA 05/01/62 05/31/62 Low PRODUCTION STEEL--GARDENA, CA 06/01/72 12/31/73 Standard PRODUCTOL CHEMICAL STEEL--WHITTER, CA 10/01/74 10/31/74 Low

04/10/2012 29 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES PRODUCTOL COMPANY--SANTA FE SPRINGS, CA 08/01/63 08/31/73 Standard PRUDENTIAL BUILDING--LOS ANGELES,CA 02/01/49 11/30/52 Standard pj PURE OIL COMPANY--WORLAND, WY 04/01/49 04/30/49 Low research 12.13.06 PUREX CORPORATION--SOUTH GATE, CA 04/01/63 04/30/63 Low Q.R.S. NEON COMPANY--LOS ANGELES, CA 01/01/42 12/31/42 Low QUAKER OATS--LOS ANGELES, CA 06/01/59 05/31/71 Standard QUAKER OATS--WILMINGTON, CA 03/01/67 04/30/71 Low QUALITY PACKING COMPANY--LOS ANGELES, CA 08/01/71 08/31/71 Low QUALITY STEEL CORPORATION--CHULA VISTA, CA 01/01/65 01/31/65 Low QUEEN OF ANGELS HOSPITAL--LOS ANGELES, CA 01/01/31 07/31/73 Standard QUEMETCO--CITY OF INDUSTRY, CA 08/01/72 12/31/72 Low R & R CHILLER AND CONDENSER--LOS ANGELES, CA 01/01/69 05/31/69 Low R B & W--LOS ANGELES, CA 07/01/76 07/31/76 Low RADIO CORPORATION OF AMERICA-HOLLYWOOD, CA 05/01/45 01/31/59 Low RALPH M PARSONS CO., THE--LOS ANGELES, CA 12/01/69 10/31/73 Low RALPH M PARSONS COMPANY--WILMINGTON, CA 02/01/59 02/28/59 Low RALPH M PARSONS CORP--LOS ANGELES, CA 01/01/74 12/31/74 Standard RALSTON PURINA--BRAWLEY, CA 08/01/50 08/31/50 Low RAMAPO AJAX--VERNON, CA 07/01/56 07/31/56 Low RANSOM & RUDOLPH COMPANY--LOS ANGELES, CA 08/01/53 08/31/53 Low REDLAND COMPANY--TORRANCE, CA 06/01/76 06/30/76 Low REDMAN EQUIPMENT--TORRANCE, CA 03/01/69 03/31/74 Standard g REDONDO BEACH POWERHOUSE (SCE)--REDONDO BEACH, CA 05/01/46 12/31/79 High Redondo Beach site entry 04.17.08 REDONDO TILE COMPANY--REDONDO BEACH, CA 08/01/47 08/31/47 Low REED ROLLER BIT COMPANY--LOS ANGELES, CA 04/01/46 04/30/46 Low REFINING ASSOCIATES--ORANGE, CA 03/01/69 02/28/71 Standard REICHHOLD CHEMICALS INC--AZUSA, CA 11/01/53 04/30/57 Low REICHOLD CHEMICAL INC.--IRWINDALE, CA 08/01/75 10/31/75 Low REPLACEMENT UNIT COMPANY--LOS ANGELES, CA 02/01/59 10/31/60 Low REPUBLIC CARBON PRODUCTS COMPANY INC.--BAKERSFIELD, CA 07/01/71 07/31/71 Standard REPUBLIC STEEL--LOS ANGELES, CA 10/01/46 10/31/46 Low REULAND ELECTRIC COMPANY-- CITY OF INDUSTRY, CA 03/01/65 09/30/74 Standard REVERE COPPER & BRASS CO--LOS ANGELES, CA 10/01/48 11/30/48 Standard REVLAND ELECTRIC--CITY OF INDUSTRY, CA 07/01/68 07/31/68 Low p REYNOLDS METALS--LISTERVILLE, AL 05/01/75 05/31/75 Low research 09.20.07 REYNOLDS METALS--LONGVIEW, WA 11/01/67 03/31/68 Standard REYNOLDS METALS--PHOENIX, AZ 11/01/61 10/31/66 Standard REYNOLDS METALS--TORRANCE, CA (500 CRENSHAW BLVD) 03/01/67 01/31/74 Standard RHEEM AUTOMATIC--ANAHEIM, CA 08/01/57 08/31/57 Low RHEEM MANUFACTURING--DOWNEY, CA 12/01/51 12/31/55 Standard RHOM & HAAS CHEMICAL--LOS ANGELES, CA 01/01/35 12/31/35 Low RICE RANCH OIL--LOS ANGELES, CA 01/01/34 12/31/34 Low RICH STEEL PICKLING COMPANY--LOS ANGELES, CA 02/01/51 10/31/72 Standard RICHFIELD OIL MARINE TERMINAL--LONG BEACH, CA 01/01/26 10/31/62 Standard RICHFIELD OIL--HYNES, CA 01/01/26 12/31/59 High RICHFIELD OIL--LOS ANGELES, CA 03/01/62 10/31/64 Low RICHFIELD OIL--NORTH COLES LEVEE, CA 01/01/42 05/31/47 Low RICHFIELD OIL--SIGNAL HILL, CA 01/01/28 12/31/29 Low RICHFIELD OIL--TAFT, CA 01/01/40 12/31/40 Low RIDGELITE PRODUCTS--FRAZIER PARK, CA 10/01/59 07/31/64 Standard

04/10/2012 30 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES RIETZ MANUFACTURING CO.--ANAHEIM, CA 05/01/71 05/31/71 Low RIKER LABORATORIES INCHOOL--WEST LOS ANGELES, CA 06/01/52 06/30/52 Low RIM OF THE WORLD SCHOOL--LAKE ARROWHEAD, CA 06/01/56 06/30/56 Low RIO GRANDE - VINVALE REFINERY--CARSON, CA 01/01/31 12/31/44 Standard RIVERSIDE CEMENT COMPANY--ORO GRANDE, CA 01/01/42 02/28/74 Standard RIVERSIDE CEMENT COMPANY--RIVERSIDE, CA 01/01/35 10/31/64 Standard RIVERSIDE CEMENT--CRESTMORE, CA 01/01/39 05/31/72 Standard RIVERSIDE COMMUNITY COLLEGE--RIVERSIDE, CA 01/01/60 12/31/65 Standard RIVERSIDE HIGHLAND WATER--COLTON, CA 01/01/30 12/31/30 Low RIVERSIDE LAUNDRY--RIVERSIDE, CA 01/01/35 12/31/42 Low RIVERSIDE PORTLAND CEMENT--ORO GRANDE, CA 07/01/54 07/31/54 Low ROBERT S LYTLE, OPERATOR--COALINGA, CA 06/01/45 06/30/45 Low ROCKETDYNE, INC.--CANOGA PARK, CA 08/01/64 08/31/64 Low ROCKETDYNE, INC.--SANTA SUSANA, CA 01/01/73 12/31/74 Standard ROCKLITE PRODUCTS--VENTURA, CA 02/01/48 06/30/66 Standard ROHR INDUSTRIES--CHULA VISTA, CA 12/01/54 09/30/68 Low ROHR INDUSTRIES--RIVERSIDE, CA 07/01/64 07/31/74 Standard ROMA WINE COMPANY--FRESNO, CA 02/01/46 02/28/46 Low ROME CABLE CO--TORRANCE, CA 06/01/51 01/31/69 Standard ROSE COOPERAGE--MONTEBELLO, CA 01/01/75 06/30/75 Low ROSE HILLS CEMETERY--WHITTIER, CA 11/01/64 11/30/64 Low ROSEDALE CEMETARY ASSOCIATION--LOS ANGELES, CA 03/01/58 03/31/58 Low ROTHESCHILD OIL CO--SANTA FE SPRINGS, CA 01/01/40 02/28/58 Standard ROTHSCHILD OIL COMPANY--SANTA FE SPRINGS, CA 11/01/49 03/31/58 Low RUCKER SCHAFFER TOOL WORKS--BREA, CA 11/01/73 12/31/75 Low RUSSELL BURDSALL & WARD INC.--LOS ANGELES, CA 04/01/74 07/31/75 Standard RYAN AERONAUTICAL COMPANY--SAN DIEGO, CA (2710 W HARBOR DR) 09/01/55 09/30/55 Standard RYAN AIRCRAFT--SAN DIEGO, CA 06/01/45 05/31/57 Standard pj S. & L. MANUFACTURING COMPANY--GARDENA, CA 10/01/53 10/31/53 Low researchpj 12.13.06 SAATJIAN, K.N.--LONG BEACH, CA 10/01/42 10/31/42 Low research 12.13.06 SAGUARO POWERHOUSE (ARIZONA PUBLIC SER)--AZ 11/01/53 05/31/71 Standard SALT LAKE REFINING COMPANY--SALT LAKE CITY, UT 12/01/49 01/31/55 Standard SALT RESOURCES--CLAREMONT, CA 07/01/64 07/31/64 Low SALT RIVER PROJECT, AZ 01/01/40 05/31/47 Standard SAN BERNARDINO COUNTY HOSPITAL--SAN BERNARDINO, CA 07/01/49 07/31/49 Low SAN BERNARDINO COURTHOUSE--SAN BERNARDINO, CA 01/01/57 12/31/58 Standard SAN BERNARDINO LAUNDRY--SAN BERNARDINO, CA 11/01/44 11/30/44 Low SAN BERNARDINO POWERHOUSE (SCE)--CA 09/01/57 03/31/65 Low SAN DIEGO CITY OF--SAN DIEGO, CA 02/01/62 02/28/62 Low SAN DIEGO GAS & ELECTRIC (10TH & IMPERIAL)--SAN DIEGO, CA 06/01/46 07/31/48 Low SAN DIEGO GAS & ELECTRIC (STATION A)--SAN DIEGO, CA 01/01/27 09/30/48 Standard SAN DIEGO GAS & ELECTRIC (STATION B)--SAN DIEGO, CA 01/01/42 08/31/49 Standard SAN DIEGO MARINE CONSTRUCTION CO--SAN DIEGO, CA 09/01/59 09/30/59 Low SAN DIEGO STATE TEACHERS COLLEGE, SAN DIEGO, CA 01/01/40 12/31/40 Low SAN DIEGO STATE UNIVERSITY--SAN DIEGO, CA 01/01/40 12/31/40 Low SAN FERNANDO POWERHOUSE (LA DEPT WATER & POWER)--CA 01/01/55 12/31/59 Standard SAN MANUEL COPPER CORPORATION--SAN MANUEL, AZ 03/01/55 05/31/55 Standard SAN ONOFRE NUCLEAR POWER PLANT (SCE)--CA 12/31/80 12/31/82 Standard SAN PEDRO CITY OF--SAN PEDRO, CA 07/01/55 07/31/55 Low SAN PEDRO DRY KILN CO--SAN PEDRO, CA 03/01/47 12/31/47 Low

04/10/2012 31 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES SAN PEDRO LUMBER CO--SAN PEDRO, CA 05/01/51 05/31/51 Low SANDBURG FURNISHING--VERNON, CA 10/01/64 10/31/64 Low pj SANITARY LAUNDRY--POMONA, CA 03/01/47 09/30/55 Low research 12.13.06 SANTA ANA ARMY AIR BASE, SANTA ANA, CA 01/01/43 12/31/43 Low SANTA ANA LAUNDRY--LOS ANGELES, CA 01/01/44 12/31/44 Low SANTA ANA LAUNDRY--SANTA ANA, CA 01/01/43 12/31/44 Low SANTA ANA UNIFIED SCHOOL DISTRICT--SANTA ANA, CA 07/01/63 07/31/63 Low SANTA ANITA POTTERIES, SANTA ANITA, CA 04/01/49 02/28/51 Standard SANTA BARBARA COTTAGE HOSPITAL, SANTA BARBARA, CA 01/01/29 09/30/49 Standard SANTA YNEZ INN--PACIFIC PALISADES, CA 08/01/54 08/31/54 Low SARGENT INDUSTRIES--HUNTINGTON PARK, CA 08/01/74 08/31/74 Low SAWTELLE LUMBER & PLANING CO--SAWTELLE, CA 08/01/54 08/31/54 Low SCATTERGOOD POWERHOUSE(LA DEPT OF WTR PWR)--EL SEGUNDO, CA 01/01/55 12/31/63 Standard SCHAEFFER TOOL WORKS--LOS ANGELES, CA 01/01/35 12/31/35 Low SCHLITZ BREWERY--VAN NUYS, CA 01/01/52 12/31/75 Standard SCHUMACHER WALLBOARD CORP--SOUTHGATE, CA 01/01/28 03/31/46 Standard SCHURS OIL BURNER COMPANY--LOS ANGELES, CA 01/01/47 01/31/47 Low SCOTT RIGGING CO.--HENDERSON, NV 07/01/70 01/31/71 Low SCRIVER & QUINN, INC.--LOS ANGELES, CA 01/01/38 03/31/46 Standard SEA-LAND SERVICES--LONG BEACH, CA 01/01/70 07/31/72 Standard SEA-LAND SERVICES--SAN PEDRO, CA 09/01/71 09/30/71 Low SEARS ROEBUCK & CO.--LONG BEACH, CA 04/01/48 04/30/48 Low SEARS ROEBUCK & CO--SAN DIEGO, CA 05/01/52 05/31/52 Low SEARS ROEBUCK & CO--SANTA ANA, CA 04/01/49 05/31/49 Low SEASIDE OIL REFINERY--VENTURA, CA 01/01/44 01/31/57 Low SECHRIST & KELLY CONSTRUCTION CO--PARAMOUNT, CA 03/01/76 03/31/76 Low SERCO ALUMINUM CO--LOS ANGELES, CA 06/01/66 06/30/66 Low SEWAGE TREATMENT PLANT--SAN DIEGO, CA 03/01/44 05/31/49 Low S-G METALS, INC.--GARDENA, CA 12/01/70 12/31/70 Low SHAFFER TOOL WORKS--SANTA FE SPRINGS, CA 01/01/37 12/31/37 Low SHANLEY GASOLINE CO--LONG BEACH, CA 01/01/29 12/31/29 Low SHELL CHEMICAL COMPANY--BREA, CA 01/01/26 12/31/59 Standard SHELL CHEMICAL COMPANY--DOMINGUEZ, CA 01/01/36 11/30/75 High SHELL CHEMICAL COMPANY--HOUSTON, TX 01/01/41 12/31/41 Low SHELL CHEMICAL COMPANY--LOS ANGELES, CA 01/01/44 07/31/64 Standard SHELL CHEMICAL COMPANY--MARTINEZ, CA 10/01/60 04/30/70 Standard SHELL CHEMICAL COMPANY--TORRANCE, CA 01/01/43 04/30/72 High SHELL CHEMICAL COMPANY--VENTURA, CA 12/01/52 02/28/72 Standard SHELL CHEMICAL COMPANY--WILMINGTON, CA 01/01/41 11/30/75 Standard SHELL DEVELOPMENT COMPANY--DEER PARK, CA 01/01/41 12/31/41 Low SHELL DEVELOPMENT COMPANY--WILMINGTON, CA 01/01/36 12/31/44 Standard SHELL OIL ABSORBTION PLANT--BREA, CA 01/01/26 12/31/26 Low SHELL OIL ABSORPTION PLANT--BAKERSFIELD, CA 01/01/42 12/31/42 Low SHELL OIL BUILDING--SAN FRANCISCO, CA (SAMPSON STREET) 01/01/36 12/31/36 Low SHELL OIL COMPANY HYNES PUMPING STATION--HYNES, CA 01/01/38 12/31/38 Low SHELL OIL PUMPING STATION--HUNTINGTON BEACH, CA 01/01/26 12/31/26 Standard SHELL OIL--ANACORTES, WA 01/01/67 01/31/67 Low SHELL OIL--BAKERSFIELD, CA 12/01/44 12/31/44 Low SHELL OIL--CARSON, CA 01/01/44 09/30/75 Standard SHELL OIL--DEER PARK, TX 01/01/41 12/31/42 Low

04/10/2012 32 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES SHELL OIL--DEER PARK, TX 01/01/44 12/31/44 Low New Date Entry SHELL OIL--DOMINGUEZ, CA 01/01/26 04/30/76 High SHELL OIL--HUNTINGTON BEACH, CA 01/01/26 12/31/26 Low SHELL OIL--INGLEWOOD, CA 01/01/27 12/31/27 Low SHELL OIL--LONG BEACH, CA 01/01/26 12/31/59 Standard SHELL OIL--MARTINEZ, CA 01/01/37 12/31/73 Standard SHELL OIL--MORMON ISLAND, CA 01/01/29 04/30/57 Standard SHELL OIL--ORINDA, CA 01/01/26 12/31/26 Low SHELL OIL--SANTA FE SPRINGS, CA 01/01/26 12/31/26 Low SHELL OIL--SANTA MARIA, CA 01/01/26 12/31/59 Standard SHELL OIL--SEATTLE, WA 01/01/62 12/31/63 Standard SHELL OIL--SIGNAL HILL, CA 01/01/28 12/31/36 Low SHELL OIL--VENTURA, CA 01/01/26 06/30/65 Standard SHELL OIL--WATSON, CA 01/01/26 06/30/75 Standard SHELL OIL--WILLBRIDGE, OR 04/01/56 04/30/56 Low SHELL OIL--WILMINGTON, CA 01/01/26 12/31/83 High pj SHELL PETROLEUM CORP.--WOOD RIVER, IL 01/01/47 01/31/47 Low research 12.13.06 SHRINERS CHILDRENS HOSPITAL--LOS ANGELES, CA 05/01/51 05/31/51 Low SHULTZ STEEL CO.--SOUTHGATE, CA 12/01/72 12/31/80 Standard SIERRA ROOFING--LOS ANGELES, CA 01/01/26 12/31/26 Low SIERRA STEEL FORAGING COMPANY--LOS ANGELES, CA 04/01/45 05/31/45 Low SIERRA STEEL FORAGING COMPANY--TORRANCE, CA 06/01/45 06/30/45 Low SIERRA TIMBER PRODUCTS--GARDNERVILLE, NV 01/01/77 12/31/77 Low SIGNAL OIL & GAS COMPANY--BAKERSFIELD, CA 11/01/59 04/30/70 Standard SIGNAL OIL & GAS COMPANY--HUNTINGTON BEACH, CA 12/01/64 08/31/65 Low SIGNAL OIL & GAS COMPANY--INGLEWOOD, CA 08/01/63 08/31/63 Low SIGNAL OIL & GAS COMPANY--SIGNAL HILL, CA 01/01/59 01/31/59 Low SILLERS PAINT & VARNISH COMPANY--LOS ANGELES, CA 12/01/51 12/31/51 Low SILVERGATE POWERHOUSE--SAN DIEGO, CA 01/01/42 06/30/54 Standard SIMONS BRICK COMPANY, LOS ANGELES, CA 09/01/46 09/30/46 Standard SINCLAIR REFINERY--PASADENA, TEXAS 04/01/53 04/30/53 Low

SINCLAIR REFINING COMPANY--MARCUS HOOK, PA 02/01/52 02/28/52 Low based upon additional job book research 11.12.08-- SIGNAL OIL & GAS COMPANY--MARCUS HOOK, PA SINTON & BROWN COMPANY--BETTERAVIA, CA 02/01/48 04/30/50 Low SMITH CHEMICAL--LYNWOOD, CA 01/01/77 12/31/77 Low SMITH CHEMICAL--LYNWOOD, CA 12/01/75 12/31/75 Low SMITH EMERY CO--SKINNER, CA 01/01/26 12/31/59 Low SMITH TOOLS--LOS ANGELES, CA 09/01/60 07/31/74 Low SMOOT HOLMAN--INGLEWOOD, CA 01/01/27 12/31/57 Standard SNELSON-ANVIL, INC.--ANACORTES, WA 06/01/76 06/30/76 Low SOCAL OIL REFINERY--HUNTINGTON BEACH, CA 01/01/34 11/30/62 Standard SOCONY PAINT PRODUCTS--VERNON, CA 01/01/76 12/31/76 Low SOLOR AIRCRAFT COMPANY - SAN DIEGO, CA 06/01/51 09/01/56 Low lining for G.E. elevator furnace SOLAR MANUFACTURING CORPORATION--VERNON, CA 05/01/55 05/31/55 Low SOLAR MFG. CORPORATION--LOS ANGELES, CA 09/01/55 09/30/55 Low SONKEN-GALOMBA CORPORATION--GARDENA, CA 08/01/62 03/31/63 Standard SONKIN & GALAMBA METALS--TORRANCE, CA 06/01/62 06/30/62 Low SORCHA BORU CERAMICS--SAN CARLOS, CA 06/01/46 06/30/46 Low SOULE STEEL--DOMINGUEZ CA 05/01/59 12/31/73 Standard SOULE STEEL--LONG BEACH, CA 11/01/61 09/30/75 Standard SOULE STEEL--LOS ANGELES, CA 02/01/59 02/28/59 Low

04/10/2012 33 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES SOUNDCAST FOUNDRY COMPANY--ALHAMBRA, CA 10/01/53 10/31/53 Low SOUTH BAY POWERHOUSE (SAN DIEGO GAS & ELECTRIC)--SAN DIEGO, CA 08/01/65 08/31/65 Low SOUTH COLES LEVEE REFINERY--BAKERSFIELD, CA 11/01/44 11/30/44 Low SOUTH PACIFIC CANNING COMPANY--LONG BEACH, CA 11/01/44 11/30/44 Low SOUTHERN CALIFORNIA EDISON CO--LOS ANGELES, CA 01/01/26 12/31/44 Low SOUTHERN CALIFORNIA EDISON--ALHAMBRA, CA 01/01/29 01/31/46 Low SOUTHERN CALIFORNIA EDISON--CHINO HILLS, CA 11/01/74 11/30/74 Low SOUTHERN CALIFORNIA EDISON--CYPRESS, CA 02/01/75 02/28/75 Low SOUTHERN CALIFORNIA EDISON--DOMINGUEZ, CA 07/01/74 07/31/74 Low SOUTHERN CALIFORNIA EDISON--EL SEGUNDO, CA 06/01/57 09/30/57 Standard SOUTHERN CALIFORNIA EDISON--HIGHGROVE, CA 01/01/54 12/31/77 Standard SOUTHERN CALIFORNIA EDISON--HUNTINGTON BEACH, CA 02/01/56 09/30/74 High SOUTHERN CALIFORNIA EDISON--LONG BEACH, CA 01/01/26 05/31/76 High SOUTHERN CALIFORNIA EDISON--OXNARD, CA (MANDALAY BEACH) 08/01/68 01/31/61 Standard SOUTHERN CALIFORNIA EDISON--PALMDALE, CA 06/01/74 06/30/76 Low SOUTHERN CALIFORNIA EDISON--REDONDO BEACH, CA 05/01/46 12/31/79 High Powerhouse (SEC) entry 04.17.08 SOUTHERN CALIFORNIA EDISON--SAN BERNARDINO, CA 03/01/66 03/31/66 Low SOUTHERN CALIFORNIA EDISON--SAN PEDRO, CA (AKA TERMINAL ISLAND-LONG BEACH 01/01/29 01/31/54 High SOUTHERN CALIFORNIA GAS & ELECTRIC--SEAL BEACH, CA 01/01/27 12/31/27 Low SOUTHERN CALIFORNIA GAS CO--ALISO STREET PLANT, LOS ANGELES, CA 01/01/26 05/31/70 High SOUTHERN CALIFORNIA GAS CO--COLTON, CA 01/01/27 10/31/69 Standard SOUTHERN CALIFORNIA GAS CO--DUCOMMUN ST, CA 03/01/45 03/31/45 Low SOUTHERN CALIFORNIA GAS CO--LOS ANGELES, CA 01/01/26 12/31/59 High SOUTHERN CALIFORNIA GAS COMPANY, BUTADIENE PLANT--LOS ANGELES, CA 01/01/44 12/31/44 Low SOUTHERN CALIFORNIA GAS CO--RIVERSIDE, CA 01/01/26 12/31/26 Low SOUTHERN CALIFORNIA GAS CO--SANTA FE AVENUE PLANT, LOS ANGELES, CA 01/01/26 12/31/59 High SOUTHERN CALIFORNIA GAS--CENTRAL STATION, CA 01/01/42 12/31/42 Low SOUTHERN CALIFORNIA IRON & STEEL COMPANY--LOS ANGELES, CA 01/01/26 12/31/26 Low SOUTHERN CALIFORNIA IRON & STEEL--LOS ANGELES, CA 01/01/59 12/31/59 Low SOUTHERN CALIFORNIA POTTERY COMPANY, LAWNDALE, CA 04/01/47 04/30/47 Low SOUTHERN CALIFORNIA TESTING LABORATORIES, INC.--IRVINE, CA 01/01/34 12/31/34 Low SOUTHERN PACIFIC RAILROAD--COLTON, CA 07/01/46 07/31/46 Low SOUTHERN PACIFIC RAILROAD--EL PASO, TX 05/01/49 05/31/49 Low SOUTHERN PACIFIC RAILROAD--LOS ANGELES, CA 06/01/51 06/30/51 Low SOUTHERN SERVICE COMPANY, LTD.--POMONA, CA 06/01/59 06/30/59 Low SOUTHERN SERVICE COMPANY, LTD.--SAN BERNARDINO, CA 11/01/50 11/30/50 Low SOUTHERN SIERRAS POWER COMPANY--SAN BERNARDINO, CA 01/01/26 12/31/26 Low SOUTHWEST ENGINEERING COMPANY--LOS ANGELES, CA 01/01/56 04/30/69 Standard SOUTHWEST ENGINEERING COMPANY--PIOCHE, NV 01/01/59 05/31/59 Standard SOUTHWEST ENGINEERING COMPANY--VERNON, CA 07/01/53 07/31/53 Low SOUTHWEST FOREST INDUSTRIES--SNOWFLAKE, AZ 03/01/65 03/31/65 Low SOUTHWEST GREASE & OIL COMPANY--DOMINGUEZ, CA 10/01/68 10/31/68 Low SOUTHWEST LUMBER MILLS INC--MCNARY, CA 12/01/47 12/31/47 Standard SOUTHWEST MARINE--SAN DIEGO, CA 01/01/45 12/31/83 Standard SOUTHWEST PAINTING & DRYWALL--PASO ROBLES, CA 12/01/44 12/31/44 Low SOUTHWEST STEEL ROLLING MILLS--LOS ANGELES, CA 01/01/42 01/31/76 Standard SOUTHWEST STEEL--ROLLING HILLS, CA 01/01/76 01/31/76 Low SOUTHWEST WELDING & MANUFACTURING--ALHAMBRA, CA 09/01/52 10/31/65 Standard pj SOUTHWESTERN AGRICHEMICAL COMPANY--CHANDLER, AZ 04/01/57 04/30/57 Low research 12.13.06 SOUTHWESTERN ENGINEERING--LAREDO, TX 01/01/39 12/31/40 Low Modified end date 04.17.08

04/10/2012 34 of 43 J.T. THORPE LAND BASED SITE LIST

SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES SOUTHWESTERN ENGINEERING--SANTA FE AVE., HUNTINGTON PARK, CA 06/01/63 08/31/72 Standard SOUTHWESTERN PORTLAND CEMENT--AMARILLO, TX 06/01/63 06/30/63 Low SOUTHWESTERN PORTLAND CEMENT--BLACK MOUNTAIN, CA 01/01/65 02/28/67 Standard SOUTHWESTERN PORTLAND CEMENT--LOS ANGELES, CA 01/01/59 01/31/59 Low pj SOUTHWESTERN PORTLAND CEMENT--ODESSA, TX 01/01/59 01/31/59 Low research 04.17.08 SOUTHWESTERN PORTLAND CEMENT--RILLITO, AZ 01/01/51 01/31/51 Low SOUTHWESTERN PORTLAND CEMENT--SANTA FE SPRINGS, CA 01/01/78 12/31/78 Low SOUTHWESTERN PORTLAND CEMENT--VICTORVILLE, CA (16888 E ST.) 12/01/48 02/28/56 Standard SPARKLETTE BOTTLED WATER CO--LOS ANGELES, CA 01/01/29 01/31/50 Low SPENCER KELLOGG & SONS, INC.--TERMINAL ISLAND, CA. 10/01/47 05/31/48 Low SPRECKELS SUGAR--MENDOTA, CA 05/01/63 06/30/63 Standard SPRECKELS SUGAR--TEMPE, AZ 03/01/66 03/31/66 Low ST BERNARDINES HOSPITAL--SAN BERNARDINO, CA 02/01/47 02/28/47 Low ST FRANCIS HOSPITAL--LYNWOOD, CA 10/01/45 10/31/45 Low ST HELENS PETROLEUM CORPORATION--BURBANK, CA 01/01/28 12/31/34 Standard ST HELENS PETROLEUM--PICO, CA 01/01/29 12/31/29 Low ST HELENS PETROLEUM--WHITTIER, CA 01/01/29 12/31/29 Low ST JOHN'S HOSPITAL--LOS ANGELES, CA 10/01/56 10/31/56 Low ST JOHNS HOSPITAL--SANTA MONICA, CA 10/01/56 10/31/56 Low ST JOSEPHS HOSPITAL--BURBANK, CA 08/01/50 02/28/63 Standard ST JOSEPHS HOSPITAL--PHOENIX, AZ 09/01/51 09/30/51 Low ST JUDES HOSPITAL--FULLERTON, CA 12/01/67 03/31/68 Low ST MARYS HOSPITAL & MEDICAL CENTER--SAN FRANCISCO, CA 11/01/72 11/30/72 Low ST MARYS HOSPITAL--LONG BEACH, CA 02/01/46 03/31/62 Low ST MONICA HIGH SCHOOL--SANTA MONICA, CA 07/01/63 07/31/63 Low ST. VINCENTS HOSPITAL--LOS ANGELES, CA 01/01/26 05/31/73 Low STANDARD BATTERY SEPERATOR CO--LOS ANGELES, CA 01/01/36 12/31/36 Low STANDARD ENAMELING CO--CULVER CITY, CA 01/01/40 02/28/47 Low STANDARD GYPSUM COMPANY--LONG BEACH, CA 01/01/46 12/31/48 Standard STANDARD OIL PUMP STATION--BAKERSFIELD, CA 11/01/66 11/30/66 Low STANDARD OIL--ATASCADERO, CA 01/01/35 12/31/35 Low STANDARD OIL--BAKERSFIELD, CA 04/01/46 02/28/58 Standard p STANDARD OIL--BALTIMORE, MD 01/01/42 12/31/42 Low research p 09.20.07 STANDARD OIL--BARBERS POINT, HI 10/01/60 10/31/60 Low research pj 09.20.07 STANDARD OIL--BATON ROUGE, LA 01/01/43 12/31/43 Low research 12.13.06 STANDARD OIL--BITTWATER STATION, CA 01/01/35 12/31/35 Low STANDARD OIL--EL PASO, TX 06/01/47 06/30/67 Standard Modified end date/rating based on research 04.17.08 STANDARD OIL--EL SEGUNDO, CA (AKA CHEVRON USA AS OF 1977) 01/01/27 12/31/85 High STANDARD OIL--ESTERO STATION, CA 01/01/35 12/31/35 Low STANDARD OIL--HUNTINGTON BEACH, CA 06/01/59 06/30/66 Standard STANDARD OIL--INGLEWOOD, CA 01/01/40 02/28/67 Standard STANDARD OIL--KERN STATION, CA 01/01/35 12/31/35 Low STANDARD OIL--LA HABRA, CA (MURPHY COMPRESSOR STN) 05/01/65 03/31/68 Low STANDARD OIL--LEVELLAND, TX 01/01/52 01/31/52 Low STANDARD OIL--LOS ANGELES, CA 12/01/60 12/31/60 Low STANDARD OIL--RICHMOND, CA 01/01/29 03/31/75 Standard STANDARD OIL--RIO BRAVO STATION, CA 01/01/35 12/31/35 Low STANDARD OIL--SALT LAKE CITY, UT 05/01/48 08/31/48 Standard STANDARD OIL--SAN PEDRO, CA (MARINE) 01/01/39 05/31/74 Standard STANDARD OIL--TAFT, CA 01/01/40 12/31/40 Low

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SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES STANDARD OIL--TORRANCE, CA (CHEMICAL PLANT ) 01/01/65 01/31/65 Low STANDARD PACKING--VERNON, CA 01/01/30 12/31/30 Low STANDARD SLAG COMPANY--GABBS, NV 09/01/51 09/30/51 Low STANDARD STEEL CORPORATION--NORTH HOLLYWOOD, CA 10/01/50 10/31/50 Low STANDARD STEEL CORPORATION--PIOCHE, NV 04/01/52 04/30/52 Low STANDARD STEEL CORPORATION--SAN PEDRO, CA 03/01/47 10/31/59 Standard STANDARD STEEL CORPORATION--VERNON, CA 02/01/58 03/31/63 Standard STANDARD WIPING COMPANY--LOS ANGELES, CA 01/01/42 12/31/42 Low STANOLIND OIL & GAS CO--ODESSA, TX 04/01/49 04/30/49 Low STANOLIND OIL & GAS CO--SLAUGHTER FIELD, TX 02/01/48 02/28/48 Low STAR BRASS FOUNDRY COMPANY--LOS ANGELES, CA 10/01/46 10/31/46 Low STAR KIST FOODS CO, TERMINAL ISLAND, CA 06/01/71 06/30/74 Standard STAR LIGHTING FIXTURE COMPANY--LOS ANGELES, CA 07/01/52 07/31/52 Low STAR ROOFING--SOUTHGATE, CA 01/01/29 12/31/29 Low STARDUST HOTEL CASINO--LAS VEGAS, NV 01/01/60 12/31/60 Standard STAR-KIST FOODS, INC--TERMINAL ISLAND, CA 01/01/71 12/31/74 Standard STATE MARINE STEAMSHIP CO--WILMINGTON, CA 11/01/55 12/31/68 Standard STATE STOVE & MANUFACTURING COMPANY--HENDERSON, NV 09/01/69 09/30/69 Low STATES LINES--LONG BEACH, CA 10/01/74 10/31/74 Low STATES MARINE CORPORATION--TERMINAL ISLAND, CA 11/01/52 06/30/70 Low STATES MARINE ISTHMIAN AGENCY--PORT HUENEME, CA 11/01/67 03/31/70 Standard STATES MARINE ISTHMIAN AGENCY--SAN DIEGO, CA 01/01/70 01/31/70 Low STATES STEAMSHIP CO--LONG BEACH, CA 10/01/49 12/31/73 Standard STATES STEAMSHIP CO-PIER 15--SAN FRANCISCO, CA 02/01/59 02/28/59 Low STATION B POWERHOUSE (SAN DIEGO GAS & ELECTRIC)--CA 03/01/49 03/31/49 Low STATLER HILTON HOTEL--LOS ANGELES, CA 11/01/50 05/31/57 Standard STAUFFER CHEMICAL--CARSON, CA 09/01/71 09/30/73 Low pj STAUFFER CHEMICAL--COLD CREEK, AL 11/01/75 11/30/75 Low research 12.13.06 STAUFFER CHEMICAL--DOMINGUEZ, CA 01/01/28 07/31/76 High STAUFFER CHEMICAL--GARFIELD, UT 02/01/53 04/30/53 Standard STAUFFER CHEMICAL--HENDERSON, NV 02/01/50 02/28/76 Standard STAUFFER CHEMICAL--LONG BEACH, CA 10/01/64 02/28/73 Standard STAUFFER CHEMICAL--LOS ANGELES, CA 01/01/43 12/31/43 Low STAUFFER CHEMICAL--MARTINEZ, CA 01/06/69 12/31/87 Standard STAUFFER CHEMICAL--OXNARD, CA 01/01/75 06/30/76 Standard STAUFFER CHEMICAL--RICHMOND, CA 11/01/68 11/30/68 Low STAUFFER CHEMICAL--SOUTHGATE, CA 08/01/66 07/31/76 Standard STAUFFER CHEMICAL--TORRANCE, CA 01/01/43 02/28/53 Standard STAUFFER CHEMICAL--VERNON, CA 12/01/44 06/30/70 Standard STAUFFER CHEMICAL--WESTEND, CA 04/01/65 08/31/74 Standard STAUFFER CHEMICAL--WILMINGTON, CA 01/01/46 12/31/46 Standard STEEL CASTING COMPANY--VERNON, CA 08/01/62 07/31/75 Standard STEEL CASTING--VERNON, CA 04/01/73 04/30/73 Standard STEEL COATING--LOS ANGELES, CA 01/01/74 12/31/74 Standard STERLING CLEANERS--LOS ANGELES, CA 05/01/45 05/31/45 Low STEWART CONSTRUCTION--CORONA, CA 01/01/74 10/31/74 Low STIRLING MEAT CO--LOS ANGELES, CA 01/01/34 12/31/34 Low STONE & WEBSTER--LOS ANGELES, CA 01/01/42 12/31/42 Low SUN COAST HOTEL & RESORT--LAS VEGAS, NV (RAMPART & ALLA STREET) 01/10/00 05/15/00 Standard SUN HARBOR INDUSTRIES--SAN DIEGO, CA 01/01/47 01/31/47 Low

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SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES SUN HARBOR PACKING COMPANY 01/01/46 01/31/46 Low SUN LUMBER COMPANY--VAN NUYS, CA 09/01/47 09/30/47 Low SUN OIL CO--MARCUS HOOK, PA 03/01/55 03/31/55 Low based upon additional research 09.20.07 SUN OIL CO--MARCU HOOK, PA SUNNY SALLY INC.--LOS ANGELES, CA 06/01/66 06/30/66 Low SUNSET INTERNATIONAL PETROLIUM CORPORATION--TORRANCE, CA 09/01/56 02/28/58 Standard SUNSTRAND MACHINE CORPORATION--PACOIMA, CA 03/01/58 03/31/58 Low SUPERIOR DRUM CO.--SOUTH GATE, CA 06/01/72 06/30/72 Low SUPERIOR INDUSTRIES--VAN NUYS, CA 08/01/74 06/30/76 Standard SUPERIOR OIL (MOSTYN STATION)--CONROE, TX 01/01/42 12/31/42 Low SUPERIOR OIL--KETTLEMAN HILLS, CA 01/01/39 12/31/39 Low pj SUPERIOR PAINT & LACQUER WORKS--HUNTINGTON PARK, CA 06/01/47 05/31/51 Standard research 12.13.06 SUPERWELD CORPORATION--NORTH HOLLYWOOD, CA 06/01/48 09/30/73 Standard SURF ENERGY--LONG BEACH, CA 01/01/87 12/31/87 Standard SWENDELL DRESSLER--LOS NIETOS, CA 12/01/74 12/31/74 Low SWIFT & COMPANY--VERNON, CA 01/01/29 07/31/74 Standard SYLMAR PACKING CO--SYLMAR, CA 01/01/27 12/31/44 Standard T X I RIVERSIDE CEMENT--ORO GRANDE, CA 11/01/62 11/30/62 Low TA QUALITY FOUNDRY--LOS ANGELES, CA (2707 EAST 26TH STREET) 04/01/64 04/30/64 Low TABLE LINEN SUPPLY COMPANY--LOS ANGELES, CA 07/01/56 07/31/56 Low TALLEY CORPORATION--NEWBERRY PARK, CA 06/01/62 06/30/62 Low TAMCO DIVISION OF AMERON--ETIWANDA, CA 03/01/76 04/30/76 Standard TAYLOR FORGE & PIPE WORKS--FONTANA, CA 12/01/48 11/30/59 High TAYLOR REFINING CO--TYLER, TX 01/01/34 12/31/34 Low TECHNICOLOR MOTION PICTURE--LOS ANGELES, CA 09/01/57 09/30/57 Low TEMPLE HOSPITAL--LOS ANGELES, CA 12/01/72 12/31/72 Low TERMINAL ISLAND FEDERAL PRISON, TERMINAL ISLAND, CA 11/01/55 11/30/55 Low TERMINAL ISLAND POWERHOUSE, TERMINAL ISLAND, CA 06/01/49 08/31/52 Standard TEXACO MARINE--TERMINAL ISLAND, CA 05/01/61 05/31/61 Low TEXACO MARINE--WILMINGTON, CA 01/01/41 07/31/56 Standard TEXACO REFINERY--DOMINGUEZ, CA 01/01/29 12/31/29 Low TEXACO REFINERY--LONG BEACH, CA 01/01/71 12/31/86 Standard TEXACO RESEARCH LABORATORY--MONTEBELLO, CA 01/01/36 06/30/71 Standard TEXACO RESEARCH--CARSON, CA 01/01/72 12/31/72 Standard TEXACO RESEARCH--DAGGETT, CA 01/01/72 12/31/72 Standard TEXACO SERVICE STATION--LONG BEACH, CA 05/01/73 03/31/76 Standard TEXACO TANK FARM--LOS ALAMITOS, CA 03/01/55 03/31/55 Low TEXACO TANK FARM--TERMINAL ISLAND, CA 01/01/39 09/30/57 Standard TEXACO--CASTAIC, CA 09/01/53 09/30/53 Low TEXACO--COALINGA, CA 01/01/28 12/31/35 Low TEXACO--COMPTON, CA 01/01/80 12/31/80 Low TEXACO--FILLMORE, CA 01/01/29 12/31/47 Standard TEXACO--HUNTINGTON BEACH, CA 01/01/34 12/31/37 Low TEXACO--SAN ARDO, CA 08/01/71 08/31/71 Low TEXACO--SANTA FE SPRINGS, CA 01/01/28 12/31/29 Standard TEXACO--SHIELS CANYON, CA 01/01/37 12/31/37 Low TEXACO--WILMINGTON, CA (AKA TEXACO COMPANY) 06/01/59 12/31/79 High TEXAS BUTADIENE & CHEMICAL CO--HOUSTON, TX 09/01/55 09/30/55 Low added based upon request and research 04.17.08 TEXAS COMPANY (FILLMORE WORKS)--FILLMORE, CA 01/01/36 06/30/49 Standard TEXAS COMPANY, THE--HOUSTON, TEXAS 01/01/44 12/31/44 Low TEXAS COMPANY, THE--MONTEBELLO, CA 12/01/51 12/31/51 Low

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SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES TEXAS COMPANY--KETTLEMAN HILLS, CA 01/01/28 12/31/28 Low TEXAS COMPANY--YORBA LINDA, CA 01/01/35 12/31/35 Low TH SEAVY--LOS ANGELES, CA 01/01/42 12/31/42 Low THATCHER GLASS--SAUGUS, CA 01/01/64 12/31/77 Standard THE CONVEYOR CO--IRWINDALE, CA 06/01/65 08/31/66 Low THE L.A. BREWING COMPANY--LOS ANGELES, CA 05/01/51 05/31/51 Low THE MASON MANUFACTURING COMPANY--LOS ANGELES, CA 02/01/45 02/28/45 Low THERMAL REFRACTORIES CO--SAN PEDRO, CA 01/01/65 01/31/65 Low THERMODYNAMICS CORPORATION--HELPER, UTAH 04/01/63 08/31/64 Low THOMAS INDUSTRIES--BALDWIN PARK, CA 02/01/56 02/28/56 Low pj THOMPSON DIE CASTING COMPANY--BURBANK, CA 07/01/62 07/31/62 Low research 12.13.06 THORPE INSULATION--LOS ANGELES, CA 01/01/78 12/31/78 Low THURSTON INC--TORRANCE, CA 07/01/68 07/31/68 Low TIDEWATER ASSOCIATED OIL CO - LOS ANGELES, CA 03/01/55 03/31/55 Low TIDEWATER ASSOCIATED OIL CO, LOS ANGELES, CA 01/01/41 12/31/41 Low TIDEWATER OIL CO--COALINGA, CA 09/01/64 09/30/64 Low TIDEWATER OIL PUMP STATION--KETTLEMAN , CA 01/01/38 12/31/38 Low TIDEWATER OIL--SEAL BEACH, CA 01/01/38 12/31/38 Low TIDEWATER OIL--WATSON, CA 01/01/38 12/31/38 Low TIDEWATER TERMINAL CO--PASCO, WA 05/01/55 05/31/55 Low TIN PROCESSING CORPORATION--TEXAS CITY, TX 10/01/45 10/31/45 Low TITANIUM METALS CORPORATION--HENDERSON, NV (AKA NATIONAL LEAD CO.) 04/01/51 04/30/57 High TITLE GUARANTEE & TRUST BUILDING--LOS ANGELES, CA 01/01/30 12/31/30 Low TL ARTZ FOUNDRY--LOS ANGELES, CA 04/01/70 04/30/70 Low PEDRO, CA 01/01/47 10/31/73 Standard Added AKA 04.21.10 TORRANCE GASOLINE COMPANY--TORRANCE, CA 01/01/26 12/31/26 Low TORRANCE TUBING--TORRANCE, CA 07/01/70 05/31/73 Standard TOSCO OIL--BAKERSFIELD, CA 06/01/64 02/28/76 Standard TRANSMARINE NAVIGATION CORP--WILMINGTON, CA 10/01/50 03/31/66 Low TRANSPACIFIC COMPANY, LIMITED--LONG BEACH, CA 02/01/64 02/28/64 Low TRAVIS MILLER COMPANY--BLYTHE, CA 11/01/44 02/28/46 Low TREASURE CRAFT--COMPTON, CA 06/01/68 06/30/68 Low TRIANGLE OIL COMPANY--SANTA MONICA, CA 05/01/51 05/31/51 Low TRIANGLE OIL COMPANY--VENICE, CA 01/01/37 02/28/50 Standard TRI-CRAFT WELDING CO.--SOUTH GATE, CA 11/01/74 11/30/74 Low TRIPLE A MACHINE--SAN DIEGO, CA 01/01/45 12/31/83 Standard TRUMBULL ASPHALT COMPANY--COMPTON, CA 01/01/67 01/31/67 Low TUCSON GAS, ELECTRIC LIGHT & POWER CO, TUCSON, AZ 06/01/48 02/28/57 Standard TUCSON METAL & MANUFACTURING CO--TUCSON, AZ 01/01/42 12/31/42 Low TURBO PRODUCTS--PACOIMA, CA 11/01/60 11/30/60 Low TWA--LOS ANGELES, CA 08/01/68 08/31/68 Low TWINING LABORATORIES--LONG BEACH, CA 12/01/57 12/31/57 Low TWYMAN ENGINEERING COMPANY--BUENA PARK, CA 08/01/63 03/31/65 Standard TWYMAN ENGINEERING COMPANY--ORANGE, CA 12/01/63 01/31/65 Standard U.S. ATOMIC ENERGY COMMISSION--RICHLAND, WA 09/01/70 09/30/70 Low UC RIVERSIDE, RIVERSIDE, CA 06/01/65 08/31/65 Low UC RIVERSIDE--CITRUS EXPERIMENT STATION, RIVERSIDE, CA 08/01/48 08/31/48 Low UC SAN DIEGO, SAN DIEGO, CA 04/01/70 04/30/70 Low UCLA, LOS ANGELES, CA 01/01/28 03/31/73 Standard UDDO TAORMINA CO--BUENA PARK, CA 01/01/37 01/31/56 Standard

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SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES UNION CARBIDE AND CARBON--TORRANCE, CA 03/01/55 06/30/56 Standard UNION CARBIDE CORPORATION--BISHOP, CA 06/01/65 06/30/65 Low UNION CARBIDE CORPORATION--TORRANCE, CA 08/01/53 12/31/74 Standard UNION LIME KILN--OCEANO, CA 01/01/74 12/31/90 Standard UNION OIL COMPANY OF CALIFORNIA--LOS ANGELES, CA 06/01/49 04/30/62 Standard UNION OIL MARINE--LOS ANGELES, CA 01/01/41 12/31/41 Low UNION OIL PLATFORM--HUNTINGTON BEACH, CA 01/01/26 04/30/65 Low UNION OIL PUMP STATION--STEWART, CA 01/01/35 12/31/35 Low UNION OIL SUPERTANKER TERMINAL--SAN PEDRO, CA 01/01/37 12/31/37 Low UNION OIL--ALHAMBRA, CA 02/01/65 02/28/65 Low UNION OIL--BAKERSFIELD, CA 01/01/42 12/31/42 Low UNION OIL--BREA, CA (TANK FARM) 09/01/64 04/30/73 Standard UNION OIL--COMPTON, CA 03/01/51 03/31/51 Low UNION OIL--DOMINGUEZ HILL, CA 01/01/26 12/31/36 Standard UNION OIL--HYNES, CA 01/01/59 12/31/59 Low pj UNION OIL--LEMONT, IL 06/01/68 07/31/69 Standard research 12.13.06 UNION OIL--LOMITA, CA 08/01/47 05/31/65 Standard UNION OIL--MALTHE, CA 01/01/28 12/31/28 Low UNION OIL--MATEO STREET, LOS ANGELES, CA 01/01/38 12/31/38 Low UNION OIL--NORWALK, CA 01/01/47 01/31/47 Low UNION OIL--ORCUTT, CA 01/01/35 12/31/35 Low UNION OIL--RODEO/OLEUM, CA 01/01/34 07/31/61 Standard UNION OIL--ROSECRANE, CA 01/01/26 12/31/33 Low UNION OIL--SAN DIEGO, CA 01/01/43 12/31/44 Low UNION OIL--SAN FERNANDO, CA 01/01/26 12/31/26 Low UNION OIL--SANTA FE SPRINGS, CA 01/01/26 12/31/41 Standard UNION OIL--SANTA MARIA, CA 01/01/37 01/31/66 Low UNION OIL--STEARNS, CA 01/01/26 12/31/59 Low UNION OIL--TERMINAL ISLAND, CA 01/01/26 12/31/26 Low UNION OIL--TORRANCE, CA 01/01/65 12/31/83 Standard UNION OIL--WILMINGTON, CA 01/01/26 12/31/87 High UNION PACIFIC OIL CO--SIGNAL HILL, CA 01/01/30 12/31/30 Low UNION PACIFIC OIL--WILMINGTON, CA 01/01/65 07/31/70 Low pj UNION PACIFIC RAILROAD--KELSO, CA 01/01/37 12/31/37 Low bookppj research 06.19.08 UNION PACIFIC RAILROAD--LAS VEGAS, NV 01/01/30 12/31/30 Low bookpgpj research 06.19.08 "SYSTEM TO RAILROAD" UNION PACIFIC RAILROAD--LOS ANGELES, CA 01/01/30 12/31/67 Standard bookppj research 06.19.08 UNION PACIFIC RAILROAD--MILFORD, UT 01/01/30 12/31/30 Low book research 06.19.08 "SYSTEM TO RAILROAD" UNION PACIFIC RAILROAD--WILMINGTON, CA 01/01/65 08/31/67 Low updated dates based upon job book research 06.19.08 UNION PACKING COMPANY--LOS ANGELES, CA 01/01/26 12/31/34 Low UNION SUGAR CO--BETTERAVIA, CA 01/01/26 02/28/48 Standard UNION SUGAR CO--BETTERAVIA, CA 04/01/63 04/30/63 Low p UNION TANK CAR CO--N. BATON ROUGE, LA 01/01/43 12/31/43 Low research 09.20.07 UNITED AIRLINES TERMINAL--LOS ANGELES INTERNATIONAL AIRPORT, LOS ANGELES, CA 04/01/47 04/30/47 Low UNITED CARBON COMPANY, INC--FLETA, CA 08/01/61 09/30/61 Low UNITED CONCRETE PIPE CORPORATION--BALDWIN PARK, CA 07/01/55 03/31/64 Low UNITED FABRICATORS--SANTA FE SPRINGS, CA 02/01/67 12/31/78 Standard UNITED LINEN SUPPLY CO--LOS ANGELES, CA 05/01/46 05/31/46 Low UNITED PACIFIC ALUMINUM CORPORATION--LOS ANGELES, CA 07/01/57 07/31/61 Standard UNITED REXALL DRUG COMPANY--LOS ANGELES, CA 06/01/46 11/30/46 Low UNITED RIGGERS--SANTA FE SPRINGS, CA 12/01/69 12/31/69 Low

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SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES UNITED SHIP SERVICE--LOS ANGELES, CA 03/01/44 03/31/44 Low UNIVERSAL CAST IRON MFG CO--SOUTH GATE, CA 08/01/62 05/31/72 Standard UNIVERSAL OIL PRODUCTS CO--AZUSA, CA 05/01/72 05/31/72 Low UNIVERSAL PROPULSION CO--RIVERSIDE, CA 07/01/72 07/31/72 Low pj MENTONE, CA 01/01/48 03/31/60 Standard researchpj 12.13.06 REDLANDS, CA 12/01/81 12/31/81 Low research 12.13.06 UNIVERSITY OF ARIZONA--TUCSON, AZ 02/01/51 04/30/52 Low UNIVERSITY OF SOUTHERN CALIFORNIA--LOS ANGELES, CA 11/01/50 11/30/50 Low UNOCAL CHEMICAL--ARROYO GRANDE, CA 01/01/86 12/31/86 Low UNOCAL--PICO RIVERA,CA 01/01/71 12/31/86 Standard UPLAND CITRUS ASSOCIATION--UPLAND, CA 12/01/48 12/31/48 Low UPLAND LEMON GROWERS ASSOCIATION, UPLAND, CA 09/01/47 09/30/47 Low pj US AIR FORCE--ARNOLD AFB, TN 07/01/70 07/31/70 Low research 12.13.06 US AIR FORCE--EDWARDS AFB, CA 09/01/56 02/28/62 Low US AIR FORCE--MARCH AFB, RIVERSIDE, CA 10/01/45 10/31/45 Low US AIR FORCE--NORTON AFB, SAN BERNARDINO, CA 01/01/58 12/31/65 Standard US AIR FORCE--OXNARD AF STATION, OXNARD, CA 02/01/58 02/28/58 Low US BORAX--AMARGO, CA 01/01/35 12/31/38 Low US BORAX--BAKERSFIELD, CA 12/01/73 12/31/73 Low US BORAX--BORON, CA (AKA PACIFIC COAST BORAX CO.) 01/01/40 12/31/84 High US BORAX--KRAMER, CA 01/01/29 12/31/29 Low US BORAX--LOS ANGELES/WILMINGTON, CA 01/01/26 12/31/84 High US BORAX--LOS ANGELES/WILMINGTON, CA (AKA PACIFIC COAST BORAX CO.) 01/01/26 12/31/84 High US BORAX--MORMON ISLAND, CA 01/01/28 12/31/28 Low US BORAX--SAN PEDRO, CA 08/01/51 08/31/51 Standard US COAST GUARD--LONG BEACH (PIER 16), CA 05/01/72 07/31/72 Low US COAST GUARD--TERMINAL ISLAND, CA 05/01/50 05/31/64 Low US DIATOME COMPANY--ROSSMOND, CA 01/01/41 12/31/41 Low US ELECTRICAL MOTORS INC--ANAHEIM, CA 10/01/53 12/31/69 Standard US ELECTRICAL MOTORS INC--LOS ANGELES, CA 05/01/73 05/31/75 Standard US GYPSUM--SANTA FE SPRINGS, CA 07/01/65 07/31/65 Low US GYPSUM--SOUTHGATE, CA 02/01/45 01/31/73 Standard US GYPSUM--TORRANCE, CA 09/01/73 09/30/73 Low US INDUSTRIAL CHEM CO (NATDCC)--ANAHEIM, CA 03/01/44 06/30/51 Low US INSPECTION STATION--DOUGLAS, ARIZONA 01/01/31 12/31/32 Low US LIME PRODUCTS CORPORATION--HENDERSON, NV 10/01/56 01/31/72 Standard US LIME PRODUCTS CORPORATION--NELSON, AZ 09/01/73 02/28/76 Low US MARINE CORP--MOJAVE, CA 04/01/45 04/30/45 Low US MARINE CORPS AIR STATION--EL TORO, CA 02/01/45 02/28/45 Low US MARINE CORPS--SAN DIEGO, CA 01/01/26 12/31/26 Low US MARITIME SERVICE TRAINING STATION--AVALON, CA 01/01/44 12/31/44 Low US NAVAL BASE LOS ANGELES LONG BEACH NAVSHYD, LONG BEACH, CA 05/01/50 05/31/50 Low US NAVAL BASE PUBLIC WORKS DEPT-TERMINAL ISLAND, CA 05/01/46 05/31/47 Low US NAVY DESTROYER BASE--SAN DIEGO, CA 01/01/44 12/31/44 Low US NAVY--TERMINAL ISLAND BASE, TERMINAL ISLAND, CA 11/01/69 11/30/69 Low US PERLITE CO--LOS ANGELES, CA 07/01/48 07/31/48 Low US PERLITE MANUFACTURING CO.--LOS ANGELES, CA 12/01/50 11/30/52 Standard US PIPE MANUFACTURING CO--SAN PEDRO, CA 01/01/44 12/31/44 Low US POST OFFICE--GARDENA, CA 10/01/71 10/31/71 Low US POTASH--CARLSBAD, NM 01/01/31 03/31/55 Standard

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SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES US POTASH--LOVING, NM 01/01/34 09/30/55 Standard US REDUCTION--ONTARIO, CA 04/01/68 01/31/71 Standard US REFINING CO--DAVIDSON CITY, CA 01/01/26 12/31/26 Low US RUBBER CO--LOS ANGELES, CA 10/01/49 08/31/50 Low US SPRING & BUMPER COMPANY--FULLERTON, CA 06/01/51 05/31/54 Standard US STEEL--MAYWOOD, CA (CITY OF COMMERCE) 04/01/64 12/31/64 Low US STEEL--TORRANCE, CA 01/01/67 04/30/74 Low US VANADIUM CO--BISHOP, CA 01/01/41 12/31/41 Low US VANADIUM CO--LAWS, CA 02/01/51 02/28/51 Low USA PETROCHEM--VENTURA, CA 01/01/80 12/31/80 Low UTILITY STEEL FOUNDRY--VERNON, CA 01/01/40 08/31/56 Standard UTILITY TRAILER MANUFACTURING CO--LA PUENTE, CA 01/01/36 09/30/57 Standard UTILITY TRAILER MANUFACTURING CO--LOS ANGELES, CA 01/01/36 10/31/53 Standard UTILITY TRAILER MANUFACTURING CO--VERNON, CA 01/01/40 12/31/40 Low VALLEY BRASS--ALHAMBRA, CA 01/01/73 12/31/73 Standard VALLEY BRASS--EL MONTE, CA 11/01/73 01/31/74 Low VALLEY LINEN SUPPLY--SAN BERNADINO, CA 06/01/45 06/30/45 Low VALLEY NITROGEN PRODUCERS INC--ALHAMBRA, CA 07/01/73 07/31/73 Low VALLEY NITROGEN PRODUCERS INC--EL CENTRO, CA 12/01/72 12/31/72 Low VALLEY NITROGEN PRODUCERS INC--EL MONTE, CA 10/01/73 10/31/73 Low VALLEY NITROGEN PRODUCERS INC--FRESNO, CA 12/01/72 06/30/75 Standard VALLEY POWERHOUSE (LOS ANGELES DEPT WTR PWR)--BURBANK, CA 01/01/55 12/31/59 Standard VALLEY STEAM PLANT--SUN VALLEY, CA 05/01/55 08/31/56 Standard VALLEY TOWEL SUPPLY--LOS ANGELES, CA 01/01/35 12/31/35 Low VAN CAMP SEA FOOD CO--SAN DIEGO, CA 01/01/30 05/31/46 Low VEGA AIRPLANE CO--BURBANK, CA 01/01/44 12/31/44 Low VEGETABLE OIL PRODUCTS COMPANY--WILMINGTON, CA 01/01/26 12/31/59 Standard VENTURA COUNTY HOSPITAL--VENTURA, CA 04/01/53 04/30/53 Low VERNON KILNS (FORMERLY VERNON POTTERIES, INC), VERNON, CA 01/01/31 05/31/48 Low VERNON LUMBER COMPANY--VERNON, CA 01/01/26 12/31/26 Low VERNON POWERHOUSE (VERNON MUNI LIGHT DEPT)--CA 08/01/46 10/31/46 Low VERNON, CITY OF, VERNON, CA 01/01/33 12/31/33 Low VETERANS ADMINISTRATION BUILDING--LOS ANGELES, CA 06/01/64 06/30/64 Low VETERANS ADMINISTRATION HOSPITAL--SAN FERNANDO, CA 09/01/65 09/30/65 Low VETERANS ADMINISTRATION HOSPITAL--SAWTELLE, CA 01/01/34 07/31/63 Standard VETERANS ADMINISTRATION HOSPITAL--TUCSON, AZ 01/01/28 12/31/28 Low VICTORVILLE LIME ROCK COMPANY--LUCERNE VALLEY, CA 04/01/47 08/31/60 Low VISTA METALS--FONTANA, CA 03/01/61 12/31/87 Standard VISTRON CORPORATION--HAWTHORNE, CA 04/01/71 04/30/71 Low VITREFRAX COMPANY--ORANGE, CA 01/01/28 12/31/42 Standard VITRIFINISH INC--LA PUENTE, CA 01/01/58 01/31/58 Low VULCAN MATERIALS CO--CORONA, CA 08/01/72 12/31/87 Standard W.C. HARDESTY COMPANY--LOS ANGELES, CA 04/01/47 04/30/47 Low W.G. JOHNSON & SON TILE MANUFACTURING COMPANY--POMONA, CA 12/01/48 12/31/48 Low pj W.L. DIXON COMPANY--DOMINGUEZ, CA 11/01/61 11/30/61 Low research 12.13.06 W.P. FULLER COMPANY--COMPTON, CA 06/01/57 10/31/60 Standard W.R. CHAMBERLIN & CO--WILMINGTON, CA 02/01/51 02/28/51 Low W.R. GRACE & CO.--SAN PEDRO, CA 11/01/70 07/31/75 Standard W.R. GRACE--SOUTHGATE, CA 01/02/74 01/01/75 Standard WALKERS DEPARTMENT STORE--LONG BEACH, CA 01/01/33 12/31/33 Low

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SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES WALLACE CHINA COMPANY, LIMITED--VERNON, CA 09/01/57 07/31/62 Standard pj WALLACE WELDING WORKS--WILMINGTON, CA 10/01/52 10/31/52 Low research 12.13.06 WALLINDER CORPORATION--LOS ANGELES, CA 01/01/84 12/31/84 Low WARCO STEEL--PARAMOUNT, CA 03/01/75 03/31/75 Low WARMAN STEEL CASTING COMPANY, VERNON, CA 05/01/47 05/31/47 Low WARNER BROTHERS STUDIOS--BURBANK, CA 01/01/37 12/31/37 Low pj WARNER WELDED PRODUCTS--GLENDALE, CA 11/01/45 09/30/46 Low research 12.13.06 WATSON CARBON & CHEMICAL--LONG BEACH, CA 08/01/71 01/31/72 Standard WATSON CARBON & CHEMICAL--WILMINGTON, CA 06/01/68 07/31/71 Standard WEBBER AIRCRAFT--BURBANK, CA 08/01/73 09/30/73 Low WEBER BAKING--LOS ANGELES, CA 02/01/57 02/28/57 Low WESCO STEEL ROLLING MILLS CORP--LOS ANGELES, CA 11/01/59 11/30/59 Low WESLOCK COMPANY--HUNTINGTON PARK, CA 10/01/61 12/31/64 Low WEST COAST PAPERBOARD MILLS--RANCHO CUCAMONGA, CA 01/01/41 12/31/41 Low WEST COAST REFINING CO--ATWOOD, CA 01/01/34 12/31/34 Low WEST COAST REFINING CO--PLACENTIA, CA 01/01/26 12/31/59 Standard WEST COAST REFINING CO--RICHFIELD, CA 01/01/26 12/31/59 Standard WEST COAST SANITARY MANUFACTURING CO 01/01/34 12/31/35 Standard pj WEST VACO CEHMICAL DIVISION, FOOD MACHINERY--CHULA VISTA, CA 01/01/50 01/31/50 Low research 12.13.06 WEST WINDS--PORT HUENEME, CA 02/01/73 02/28/73 Low WESTEND CHEMICAL CO--WEST END, CA 08/01/51 12/31/51 Low WESTERN AIR & REFRIGERATION, INC.--COMPTON, CA 05/01/75 11/30/75 Low WESTERN BORAX CO--MUROC, CA 01/01/29 12/31/30 Low WESTERN BRASS--LOS ANGELES, CA 10/01/73 08/31/74 Low WESTERN COOPERAGE CO--HUNTINGTON PARK, CA 01/01/26 04/27/67 Standard WESTERN DIE CASTING CO--LOS ANGELES, CA 01/26/81 01/26/81 Standard WESTERN DIVERSIFIED METALS--CUCAMONGA, CA 09/01/69 09/30/69 Low WESTERN ELECTROCHEMICAL CO--HENDERSON, NV 04/01/45 05/31/55 Standard WESTERN GALVINIZING CO--SANTA FE SPRINGS, CA 02/01/66 08/31/75 Standard WESTERN GEAR WORKS--LYNWOOD, CA 01/01/44 12/31/44 Low WESTERN GULF OIL CO--PALOMA, CA 01/01/43 09/30/52 Standard WESTERN LEAD PRODUCTS CO--CITY OF INDUSTRY, CA 11/01/59 08/31/61 Standard WESTERN MILL & LUMBER CO--LOS ANGELES, CA 01/01/61 01/31/61 Low WESTERN MILL & LUMBER CO--VERNON, CA 08/01/60 08/31/60 Low WESTERN OIL & REFINING CO--WILMINGTON, CA 01/01/26 12/31/34 Standard WESTERN PIPE & STEEL--SAN PEDRO, CA 01/01/29 12/31/46 Standard WESTERN PRECIPITATION CORPORATION--LOS ANGELES, CA 01/01/44 09/30/59 Low WESTERN PRECIPITATION--CARLSBAD, NM 01/01/42 12/31/42 Low WESTERN REFINING CORP--LOS ANGELES, CA 01/01/26 12/31/26 Low WESTERN STATES GASOLINE COMPANY--KETTLEMAN HILLS, CA 01/01/31 12/31/32 Low WESTERN STATES LACQUER COMPANY--LOS ANGELES, CA 09/01/45 09/30/45 Low WESTERN STOVE--CULVER CITY, CA 01/01/43 12/31/43 Low WESTERN TALC COMPANY--LOS ANGELES, CA 05/01/46 05/31/46 Low WESTERN TUBE AND CONDUIT--LONG BEACH, CA 04/01/69 04/30/69 Low pj WESTERN WAXED PAPER COMPANY--LOS ANGELES, CA 08/01/49 08/31/49 Low research 12.13.06 WEYERHAEUSER STEAMSHIP CO--TERMINAL ISLAND, CA 08/01/56 02/28/71 Standard WHITE HEAT TREATING COMPANY--HUNTINGTON PARK, CA 01/01/45 06/30/59 Standard WHITE MEMORIAL HOSPITAL--LOS ANGELES, CA 02/01/57 02/28/57 Low WHITTAKER CORPORATION--MONROVIA, CA 05/01/57 05/31/57 Low WHITTAKER GYRO DIVISION--VAN NUYS, CA 10/01/60 10/31/60 Low

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SITE START DATE END DATE LEVEL MODIFICATION DATE NAME CHANGES WHITTIER JR HIGH SCHOOL--WHITTIER AVE, WHITTIER, CA 01/01/51 12/31/52 Standard WHITTLER, MH, COMPANY, LTD--LOS ANGELES, CA 01/01/41 02/28/48 Low WILCOX & COMPANY, INC.--LOS ANGELES, CA 04/01/45 04/30/45 Low WILKINSON COMPANY--SANTA MONICA, CA 01/01/63 01/31/63 Low WILLIAM FOX STUDIOS--HOLLYWOOD, CA 01/01/26 12/31/27 Standard WILLIAM H. HUTCHINSON & SONS--CARSON, CA 07/01/75 07/31/75 Low WILLIAM P. ANDREWS OIL CO--LONG BEACH, CA 01/01/30 12/31/32 Low WILLIAM P. ANDREWS OIL CO--NEWHALL, CA 01/01/30 12/31/32 Low WILMINGTON BOAT WORKS--WILMINGTON, CA 04/01/52 12/31/57 Low WILMINGTON GASOLINE CO--TERMINAL ISLAND, CA 03/01/45 03/31/45 Low WILMINGTON TRANSPORTATION COMPANY--WILMINGTON, CA 01/01/39 04/30/46 Standard WILMINGTON WELDING & BOILER WORKS--WILMINGTON, CA 01/01/44 01/31/70 Standard WILMINGTON WELDING & BOILER WORKS--WILMINGTON, CA 01/01/44 01/31/70 High WILSEY BENNETT CO--LOS ANGELES, CA 12/01/61 12/31/61 Low WILSHIRE OIL CO--SANTA FE SPRINGS/NORWALK, CA 01/01/33 08/31/65 High WILSON & COMPANY--LOS ANGELES, CA 01/01/34 04/30/52 Standard WILSON, A.K. LUMBER CO--COMPTON, CA 10/01/48 10/31/49 Low WILSON, A.K. LUMBER CO--COMPTON, CA 01/01/53 01/31/53 Low WINER METAL--PARAMOUNT, CA 01/01/77 12/31/89 Standard WINNING & PEPELOW--LOS ANGELES, CA 10/01/61 10/31/61 Low WISMER & BECKER CONTRACTNG ENGINEERS--DAGGETT, CA 08/01/84 08/31/84 Low WITCO CHEMICAL--CARSON, CA 01/01/77 12/31/77 Low WITCO CHEMICAL--OILDALE, CA 09/01/47 01/31/74 Low WITFIELD CHEMICAL CORP--LOS ANGELES, CA 07/01/64 12/31/64 Standard WP FULLER & CO--LOS ANGELES, CA 06/01/45 03/31/58 Standard WULFF PROCESS CO--MAYWOOD, CA 11/01/50 11/30/50 Low YOUNGS MARKET--LOS ANGELES, CA 01/01/26 12/31/26 Standard YOUTH TRAINING SCHOOL--CHINO, CA 10/01/66 10/31/66 Low YUBA CONSOLIDATED INDUSTRIES--ALHAMBRA, CA 03/01/61 03/31/61 Low YUBA CONSOLIDATED INDUSTRIES--EL SEGUNDO, CA 08/01/61 08/31/61 Low YUCAIPA HIGH SCHOOL--YUCAIPA, CA 01/01/66 12/31/66 Standard

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