| | — | LEADBETTER, DR MALCOLM R | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R524 | Jul 15, 1998 | Jul 15, 1998 | Sep 15, 1999 |
| | — | LEADBETTER, DR MALCOLM R | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R524 | Mar 15, 1997 | Mar 15, 1997 | Sep 15, 1999 |
| | — | LEADBETTER, DR MALCOLM R | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R524 | Mar 15, 1997 | Mar 15, 1997 | Sep 15, 1999 |
| | — | LEADBETTER, DR MALCOLM R | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R524 | Sep 15, 1996 | Sep 15, 1996 | Sep 15, 1999 |
| | — | LEADBETTER, DR MALCOLM R | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R524 | Sep 15, 1996 | Sep 15, 1996 | Sep 15, 1999 |
| | — | VIGYAN INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R524 | Sep 15, 1996 | Sep 15, 1996 | Aug 15, 1998 |
| | — | SYSTEMS APPLICS INTRNTL | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R524 | Aug 15, 1996 | Aug 15, 1996 | Sep 15, 1997 |
| | — | SYSTEMS APPLICS INTRNTL | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R524 | Aug 15, 1996 | Aug 15, 1996 | Sep 15, 1997 |
| | — | LEADBETTER, DR MALCOLM R | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R524 | Jan 15, 1996 | Jan 15, 1996 | Sep 15, 1999 |
| | — | SYSTEMS APPLICS INTRNTL | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R524 | Jan 15, 1996 | Jan 15, 1996 | Sep 15, 1997 |
| | — | DONOHOE COMPANIES, INC., THE | $0 | US GEOLOGICAL SURVEY | — | — | — | R524 | Sep 15, 1995 | Sep 15, 1995 | Sep 15, 1995 |
| | — | SYSTEMS APPLICS INTRNTL | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R524 | Aug 15, 1995 | Aug 15, 1995 | Sep 15, 1997 |
| | — | SYSTEMS APPLICS INTRNTL | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R524 | Jun 15, 1995 | Jun 15, 1995 | Sep 15, 1997 |
| | — | SYSTEMS APPLICS INTRNTL | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R524 | Jun 15, 1995 | Jun 15, 1995 | Sep 15, 1997 |
| | — | SYSTEMS APPLICS INTRNTL | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R524 | Apr 15, 1995 | Apr 15, 1995 | Sep 15, 1997 |
| | — | LEADBETTER, DR MALCOLM R | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R524 | Feb 15, 1995 | Feb 15, 1995 | Sep 15, 1999 |
| | — | SYSTEMS APPLICS INTRNTL | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R524 | Feb 15, 1995 | Feb 15, 1995 | Sep 15, 1997 |
| | — | SYSTEMS APPLICS INTRNTL | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R524 | Feb 15, 1995 | Feb 15, 1995 | Sep 15, 1997 |
| | — | LEADBETTER, DR MALCOLM R | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R524 | Jan 15, 1995 | Jan 15, 1995 | Sep 15, 1999 |
| | — | SYSTEMS APPLICS INTRNTL | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R524 | Jan 15, 1995 | Jan 15, 1995 | Sep 15, 1997 |
| | — | LEADBETTER, DR MALCOLM R | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R524 | Jan 15, 1994 | Jan 15, 1994 | Sep 15, 1994 |
| | — | SYSTEMS APPLCIATIONS INTERNATIONAL INCORPORATED | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R524 | Sep 15, 1993 | Sep 15, 1993 | Sep 15, 1997 |
| | — | LEADBETTER, DR MALCOLM R | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R524 | Apr 15, 1993 | Apr 15, 1993 | Sep 15, 1994 |
| | — | LEADBETTER, DR MALCOLM R | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R524 | Jul 15, 1992 | Jul 15, 1992 | — |
| | — | ENGINEERING & ECON RESCH INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R524 | Nov 15, 1991 | Nov 15, 1991 | — |