| Reg. Measure ID | Organization | Regulatory Measure Type | Program | Effective Date | Status | 
                
                  
      			   
                    
                      
                      
                        | 205986 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 11/25/1991 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 205986 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 11/25/1991 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 206001 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 03/27/1997 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 206001 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 03/27/1997 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 206007 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 03/27/1997 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 206007 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 03/27/1997 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 206020 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 08/26/1994 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 206020 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 08/26/1994 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 206171 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 05/20/1999 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 206171 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 05/20/1999 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 259849 | Unocal Corporation Brea | Letter | NPDESWW | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 259849 | Unocal Corporation Brea | Letter | NPDESWW | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 259875 | Unocal Corporation Brea | Letter | NPDESWW | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 259875 | Unocal Corporation Brea | Letter | NPDESWW | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 259981 | Unocal Corporation Brea | Letter | NPDESWW | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 259981 | Unocal Corporation Brea | Letter | NPDESWW | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 259999 | Unocal Corporation Brea | Letter | NPDESWW | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 259999 | Unocal Corporation Brea | Letter | NPDESWW | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 260050 | Unocal Corporation Brea | Letter | NPDESWW | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 260050 | Unocal Corporation Brea | Letter | NPDESWW | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 260165 | Unocal Corporation Brea | Letter | NPDESWW | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 260165 | Unocal Corporation Brea | Letter | NPDESWW | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 134477 | Unocal Corporation Brea | NPDES Permit | NPDESWW | 02/26/1990 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 134477 | Unocal Corporation Brea | NPDES Permit | NPDESWW | 02/26/1990 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 134487 | Unocal Corporation Brea | NPDES Permit | NPDESWW | 03/26/1990 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 134487 | Unocal Corporation Brea | NPDES Permit | NPDESWW | 03/26/1990 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 134581 | Unocal Corporation Brea | NPDES Permit | NPDESWW | 09/24/1990 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 134581 | Unocal Corporation Brea | NPDES Permit | NPDESWW | 09/24/1990 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 134741 | Unocal Corporation Brea | WDR | LNDISP | 05/20/1981 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 134741 | Unocal Corporation Brea | WDR | LNDISP | 05/20/1981 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 135591 | Unocal Corporation Brea | WDR | WDR | 06/28/1976 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 135591 | Unocal Corporation Brea | WDR | WDR | 06/28/1976 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 135634 | Unocal Corporation Brea | WDR | WDR | 05/23/1977 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 135634 | Unocal Corporation Brea | WDR | WDR | 05/23/1977 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 135723 | Unocal Corporation Brea | WDR | WDR | 09/18/1995 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 135723 | Unocal Corporation Brea | WDR | WDR | 09/18/1995 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 135950 | Unocal Corporation Brea | WDR | WDR | 07/27/1981 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 135950 | Unocal Corporation Brea | WDR | WDR | 07/27/1981 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 136007 | Unocal Corporation Brea | WDR | WDR | 03/22/1982 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 136007 | Unocal Corporation Brea | WDR | WDR | 03/22/1982 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 136034 | Unocal Corporation Brea | NPDES Permit | NPDESWW | 07/15/1996 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 136034 | Unocal Corporation Brea | NPDES Permit | NPDESWW | 07/15/1996 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 136107 | Unocal Corporation Brea | WDR | LNDISPOTH | 01/25/1989 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 136107 | Unocal Corporation Brea | WDR | LNDISPOTH | 01/25/1989 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 136557 | Unocal Corporation Brea | WDR | WDR | 12/14/1998 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 136557 | Unocal Corporation Brea | WDR | WDR | 12/14/1998 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 137202 | Unocal Corporation Brea | NPDES Permit | NPDESWW | 05/18/1998 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 137202 | Unocal Corporation Brea | NPDES Permit | NPDESWW | 05/18/1998 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 138964 | Unocal Corporation Brea | NPDES Permit | NPDESWW | 03/10/1989 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 138964 | Unocal Corporation Brea | NPDES Permit | NPDESWW | 03/10/1989 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 139327 | Unocal Corporation Brea | NPDES Permit | NPDESWW | 02/11/1988 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 139327 | Unocal Corporation Brea | NPDES Permit | NPDESWW | 02/11/1988 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 139633 | Unocal Corporation Brea | NPDES Permit | NPDESWW | 06/08/1990 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 139633 | Unocal Corporation Brea | NPDES Permit | NPDESWW | 06/08/1990 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 140157 | Unocal Corporation Brea | NPDES Permit | NPDESWW | 03/15/1991 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 140157 | Unocal Corporation Brea | NPDES Permit | NPDESWW | 03/15/1991 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 142126 | Unocal Corporation Brea | WDR | WDR | 12/13/2001 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 142126 | Unocal Corporation Brea | WDR | WDR | 12/13/2001 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 144121 | Unocal Corporation Brea | NPDES Permit | NPDESWW | 04/14/1989 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 144121 | Unocal Corporation Brea | NPDES Permit | NPDESWW | 04/14/1989 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 144323 | Unocal Corporation Brea | NPDES Permit | NPDESWW | 12/04/1987 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 144323 | Unocal Corporation Brea | NPDES Permit | NPDESWW | 12/04/1987 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 146680 | Unocal Corporation Brea | NPDES Permit | NPDESWW | 12/09/1999 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 146680 | Unocal Corporation Brea | NPDES Permit | NPDESWW | 12/09/1999 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 147969 | Unocal Corporation Brea | WDR | WDR | 03/29/2001 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 147969 | Unocal Corporation Brea | WDR | WDR | 03/29/2001 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 179984 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 05/25/1999 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 179984 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 05/25/1999 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 193067 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 05/08/2000 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 193067 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 05/08/2000 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 193953 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 06/21/1993 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 193953 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 06/21/1993 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 193973 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 03/31/1995 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 193973 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 03/31/1995 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 194035 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 05/24/2002 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 194035 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 05/24/2002 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 194036 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 07/31/2002 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 194036 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 07/31/2002 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 194063 | Unocal Corporation Brea | Enrollee | WDRNONMUNIPRCS | 08/14/1996 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 194063 | Unocal Corporation Brea | Enrollee | WDRNONMUNIPRCS | 08/14/1996 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 205916 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 02/11/1988 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 205916 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 02/11/1988 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 205928 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 03/10/1989 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 205928 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 03/10/1989 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 205950 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 06/08/1990 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 205950 | Unocal Corporation Brea | Enrollee | NPDNONMUNIPRCS | 06/08/1990 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 141856 | Chevron Environmental Management Company | WDR | NPDESWW | 08/15/1990 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 141857 | Chevron Environmental Management Company | WDR | SLIC | 08/15/1990 | Active | 
                
                  
      			   
                    
                      
                      
                        | 142742 | Chevron Environmental Management Company | WDR | NPDESWW | 07/21/1993 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 181296 | Chevron Environmental Management Company | Enrollee | NPDNONMUNIPRCS | 02/01/2000 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 182010 | Chevron Environmental Management Company | Enrollee | NPDNONMUNIPRCS | 09/27/1991 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 182652 | Chevron Environmental Management Company | Enrollee | NPDNONMUNIPRCS | 07/12/1991 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 182658 | Chevron Environmental Management Company | Enrollee | NPDNONMUNIPRCS | 12/06/2001 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 183005 | Chevron Environmental Management Company | Enrollee | NPDNONMUNIPRCS | 04/19/1991 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 183065 | Chevron Environmental Management Company | Enrollee | NPDNONMUNIPRCS | 03/13/2000 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 183073 | Chevron Environmental Management Company | Enrollee | NPDNONMUNIPRCS | 08/15/1990 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 183074 | Chevron Environmental Management Company | Enrollee | NPDNONMUNIPRCS | 03/18/1999 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 183082 | Chevron Environmental Management Company | Enrollee | NPDNONMUNIPRCS | 05/24/1991 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 183084 | Chevron Environmental Management Company | Enrollee | NPDNONMUNIPRCS | 05/24/1991 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 183108 | Chevron Environmental Management Company | Enrollee | NPDNONMUNIPRCS | 04/14/1992 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 183110 | Chevron Environmental Management Company | Enrollee | NPDNONMUNIPRCS | 05/22/1992 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 183118 | Chevron Environmental Management Company | Enrollee | NPDNONMUNIPRCS | 04/14/1992 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 183120 | Chevron Environmental Management Company | Enrollee | NPDNONMUNIPRCS | 05/22/1992 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 183121 | Chevron Environmental Management Company | Enrollee | NPDNONMUNIPRCS | 04/14/1992 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 183128 | Chevron Environmental Management Company | Enrollee | NPDNONMUNIPRCS | 06/08/1992 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 183264 | Chevron Environmental Management Company | Enrollee | NPDNONMUNIPRCS | 12/05/2003 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 184736 | Chevron Environmental Management Company | Enrollee | NPDNONMUNIPRCS | 02/14/1992 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 193993 | Chevron Environmental Management Company | Enrollee | NPDNONMUNIPRCS | 08/08/1997 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 194040 | Chevron Environmental Management Company | Enrollee | NPDNONMUNIPRCS | 10/11/2002 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 194106 | Chevron Environmental Management Company | Enrollee | NPDNONMUNIPRCS | 08/21/2002 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 259520 | Chevron Environmental Management Company | Letter | NPDESWW | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 341528 | Chevron Environmental Management Company | Enrollee | WDRNONMUNIPRCS | 12/24/2007 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 380661 | Chevron Environmental Management Company | Enrollee | NPDNONMUNIPRCS | 08/05/2011 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 382893 | Chevron Environmental Management Company | Enrollee | WDRNONMUNIPRCS | 05/07/2012 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 383418 | Chevron Environmental Management Company | Enrollee | WDRNONMUNIPRCS | 08/05/2011 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 383549 | Chevron Environmental Management Company | Enrollee | NPDNONMUNIPRCS | 03/15/2012 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 383556 | Chevron Environmental Management Company | Enrollee - NPDES | NPDNONMUNIPRCS | 03/15/2012 | Active | 
                
                  
      			   
                    
                      
                      
                        | 397869 | Chevron Environmental Management Company | Enrollee | UST | 12/14/2011 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 411777 | Chevron Environmental Management Company | Enrollee - WDR | WDRNONMUNIPRCS | 04/12/2011 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 417182 | Chevron Environmental Management Company | 13267 Letter (Non-Enforcement) | SLIC | 07/24/2017 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 419536 | Chevron Environmental Management Company | 13267 Letter (Non-Enforcement) | WDRNONMUNIPRCS | 02/14/2018 | Historical |