| ADVANCED MICRO DEVICES, INC. | SUNNYVALE | No PRP | Currently on list |
| ADVANCED MICRO DEVICES, INC. (BUILDING 915) | SUNNYVALE | No PRP | Currently on list |
| AEROJET GENERAL CORP. | RANCHO CORDOVA | Multi | Currently on list |
| ALAMEDA NAVAL AIR STATION | ALAMEDA | No PRP | Currently on list |
| ALARK HARD CHROME | RIVERSIDE | No PRP | Currently on list |
| AMCO CHEMICAL | OAKLAND | No PRP | Currently on list |
| APPLIED MATERIALS | SANTA CLARA | Multi | Currently on list |
| ATLAS ASBESTOS MINE | COALINGA | Multi | Currently on list |
| BARSTOW MARINE CORPS LOGISTICS BASE | BARSTOW | No PRP | Currently on list |
| BECKMAN INSTRUMENTS (PORTERVILLE PLANT) | PORTERVILLE | Multi | Currently on list |
| BROWN & BRYANT, INC. (ARVIN PLANT) | ARVIN | Multi | Currently on list |
| CAMP PENDLETON MARINE CORPS BASE | CAMP PENDLETON | Multi | Currently on list |
| CASMALIA RESOURCES | CASMALIA | Multi | Currently on list |
| CASTLE AIR FORCE BASE (6 AREAS) | MERCED | No PRP | Currently on list |
| CELTOR CHEMICAL WORKS | HOOPA | Multi | Deleted from list (cleaned up) |
| COALINGA ASBESTOS MINE | COALINGA | Multi | Deleted from list (cleaned up) |
| COAST WOOD PRESERVING | UKIAH | No PRP | Currently on list |
| CONCORD NAVAL WEAPONS STATION | CONCORD | No PRP | Currently on list |
| COOPER DRUM CO. | SOUTH GATE | Multi | Currently on list |
| CRAZY HORSE SANITARY LANDFILL | SALINAS | No PRP | Currently on list |
| CTS PRINTEX, INC. | MOUNTAIN VIEW | No PRP | Currently on list |
| DEL AMO | LOS ANGELES | Multi | Currently on list |
| DEL NORTE PESTICIDE STORAGE | CRESCENT CITY | Multi | Deleted from list (cleaned up) |
| EDWARDS AIR FORCE BASE | EDWARDS AFB | Multi | Currently on list |
| EL TORO MARINE CORPS AIR STATION | EL TORO | Multi | Currently on list |
| FAIRCHILD SEMICONDUCTOR CORP. (MOUNTAIN VIEW PLANT) | MOUNTAIN VIEW | Multi | Currently on list |
| FAIRCHILD SEMICONDUCTOR CORP. (SOUTH SAN JOSE PLANT) | SAN JOSE | Multi | Currently on list |
| FIRESTONE TIRE & RUBBER CO. (SALINAS PLANT) | SALINAS | No PRP | Deleted from list (cleaned up) |
| FORT ORD | MARINA | Single | Currently on list |
| FRESNO MUNICIPAL SANITARY LANDFILL | FRESNO | Multi | Currently on list |
| FRONTIER FERTILIZER | DAVIS | Multi | Currently on list |
| GBF, INC., DUMP | ANTIOCH | No PRP | Proposed for list |
| GEORGE AIR FORCE BASE | VICTORVILLE | Multi | Currently on list |
| HALACO ENGINEERING COMPANY | OXNARD | No PRP | Proposed for list |
| HEWLETT-PACKARD (620-640 PAGE MILL ROAD) | PALO ALTO | No PRP | Currently on list |
| INDUSTRIAL WASTE PROCESSING | FRESNO | Multi | Currently on list |
| INTEL CORP. (MOUNTAIN VIEW PLANT) | MOUNTAIN VIEW | Multi | Currently on list |
| INTEL CORP. (SANTA CLARA III) | SANTA CLARA | Multi | Currently on list |
| INTEL MAGNETICS | SANTA CLARA | No PRP | Currently on list |
| INTERSIL INC./SIEMENS COMPONENTS | CUPERTINO | Multi | Currently on list |
| IRON MOUNTAIN MINE | REDDING | Multi | Currently on list |
| J.H. BAXTER & CO. | WEED | Multi | Currently on list |
| JASCO CHEMICAL CORP. | MOUNTAIN VIEW | Multi | Currently on list |
| JET PROPULSION LABORATORY (NASA) | PASADENA | No PRP | Currently on list |
| JIBBOOM JUNKYARD | SACRAMENTO | Multi | Deleted from list (cleaned up) |
| KLAU/BUENA VISTA MINE | PASO ROBLES | Multi | Currently on list |
| KOPPERS CO., INC. (OROVILLE PLANT) | OROVILLE | Single | Currently on list |
| LABORATORY FOR ENERGY-RELATED HEALTH RESEARCH/OLD CAMPUS LANDFILL (USDOE) | DAVIS | No PRP | Currently on list |
| LAVA CAP MINE | NEVADA CITY | Single | Currently on list |
| LAWRENCE LIVERMORE NATL LAB (SITE 300) (USDOE) | TRACY | No PRP | Currently on list |
| LAWRENCE LIVERMORE NATL LAB, MAIN SITE (USDOE) | LIVERMORE | No PRP | Currently on list |
| LEVIATHAN MINE | MARKLEEVILLE | Multi | Currently on list |
| LIQUID GOLD OIL CORP. | RICHMOND | No PRP | Deleted from list (cleaned up) |
| LORENTZ BARREL & DRUM CO. | SAN JOSE | Multi | Currently on list |
| LOUISIANA-PACIFIC CORP. | OROVILLE | Multi | Deleted from list (cleaned up) |
| MARCH AIR FORCE BASE | RIVERSIDE | Multi | Currently on list |
| MATHER AIR FORCE BASE (AC&W DISPOSAL SITE) | MATHER | No PRP | Currently on list |
| MCCLELLAN AIR FORCE BASE (GROUND WATER CONTAMINATION) | MCCLELLAN AFB | No PRP | Currently on list |
| MCCOLL | FULLERTON | Multi | Currently on list |
| MCCORMICK & BAXTER CREOSOTING CO. | STOCKTON | Multi | Currently on list |
| MGM BRAKES | CLOVERDALE | Multi | Currently on list |
| MODESTO GROUND WATER CONTAMINATION | MODESTO | Multi | Currently on list |
| MOFFETT NAVAL AIR STATION | MOFFETT FIELD | No PRP | Currently on list |
| MONOLITHIC MEMORIES | SUNNYVALE | No PRP | Currently on list |
| MONTROSE CHEMICAL CORP. | TORRANCE | Multi | Currently on list |
| NATIONAL SEMICONDUCTOR CORP. | SANTA CLARA | No PRP | Currently on list |
| NEWMARK GROUND WATER CONTAMINATION | SAN BERNARDINO | Single | Currently on list |
| NORTON AIR FORCE BASE (LNDFLL #2) | SAN BERNARDINO | No PRP | Currently on list |
| OMEGA CHEMICAL CORPORATION | WHITTIER | Multi | Currently on list |
| OPERATING INDUSTRIES, INC., LANDFILL | MONTEREY PARK | Multi | Currently on list |
| PACIFIC COAST PIPE LINES | FILLMORE | Single | Currently on list |
| PEMACO MAYWOOD | MAYWOOD | Single | Currently on list |
| PURITY OIL SALES, INC. | MALAGA | Multi | Currently on list |
| RALPH GRAY TRUCKING CO. | WESTMINSTER | No PRP | Deleted from list (cleaned up) |
| RAYTHEON CORP. | MOUNTAIN VIEW | Multi | Currently on list |
| RIVERBANK ARMY AMMUNITION PLANT | RIVERBANK | Single | Currently on list |
| SACRAMENTO ARMY DEPOT | SACRAMENTO | No PRP | Currently on list |
| SAN FERNANDO VALLEY (AREA 1) | NORTH HOLLYWOOD | Multi | Currently on list |
| SAN FERNANDO VALLEY (AREA 2) | GLENDALE | Multi | Currently on list |
| SAN FERNANDO VALLEY (AREA 3) | GLENDALE | No PRP | Deleted from list (cleaned up) |
| SAN FERNANDO VALLEY (AREA 4) | LOS ANGELES | Single | Currently on list |
| SAN GABRIEL VALLEY (AREA 1) | EL MONTE | Multi | Currently on list |
| SAN GABRIEL VALLEY (AREA 2) | BALDWIN PARK | Multi | Currently on list |
| SAN GABRIEL VALLEY (AREA 3) | ALHAMBRA | Multi | Currently on list |
| SAN GABRIEL VALLEY (AREA 4) | LA PUENTE | Multi | Currently on list |
| SELMA TREATING CO. | SELMA | Multi | Currently on list |
| SHARPE ARMY DEPOT | LATHROP | No PRP | Currently on list |
| SOLA OPTICAL USA, INC. | PETALUMA | Multi | Currently on list |
| SOUTH BAY ASBESTOS AREA | ALVISO | Multi | Currently on list |
| SOUTHERN CALIFORNIA EDISON CO. (VISALIA POLEYARD) | VISALIA | No PRP | Currently on list |
| SPECTRA-PHYSICS, INC. | MOUNTAIN VIEW | No PRP | Currently on list |
| STOKER COMPANY | IMPERIAL | No PRP | Proposed for list |
| STRINGFELLOW | MIRA LOMA | Multi | Currently on list |
| SULPHUR BANK MERCURY MINE | CLEARLAKE | Multi | Currently on list |
| SYNERTEK, INC. (BUILDING 1) | SANTA CLARA | Single | Currently on list |
| T.H. AGRICULTURE & NUTRITION CO. | FRESNO | No PRP | Deleted from list (cleaned up) |
| TELEDYNE SEMICONDUCTOR | MOUNTAIN VIEW | No PRP | Currently on list |
| TRACY DEFENSE DEPOT (USARMY) | TRACY | No PRP | Currently on list |
| TRAVIS AIR FORCE BASE | TRAVIS AFB | No PRP | Currently on list |
| TREASURE ISLAND NAVAL STATION-HUNTERS POINT ANNEX | SAN FRANCISCO | Single | Currently on list |
| TRW MICROWAVE, INC (BUILDING 825) | SUNNYVALE | Single | Currently on list |
| UNITED HECKATHORN CO. | RICHMOND | Multi | Currently on list |
| VALLEY WOOD PRESERVING, INC. | TURLOCK | Multi | Currently on list |
| WASTE DISPOSAL, INC. | SANTA FE SPRINGS | Multi | Currently on list |
| WATKINS-JOHNSON CO. (STEWART DIVISION PLANT) | SCOTTS VALLEY | Multi | Currently on list |
| WESTERN PACIFIC RAILROAD CO. | OROVILLE | Multi | Deleted from list (cleaned up) |
| WESTINGHOUSE ELECTRIC CORP. (SUNNYVALE PLANT) | SUNNYVALE | Single | Currently on list |