| | — | ADVANCED SYSTEMS TECH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH51NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; OTHER NATURAL RESOURCES; BASIC RESEARCH | Jul 15, 1997 | Jul 15, 1997 | Sep 15, 1997 |
| | — | ADVANCED SYSTEMS TECH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH51NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; OTHER NATURAL RESOURCES; BASIC RESEARCH | Mar 15, 1997 | Mar 15, 1997 | Sep 15, 1997 |
| | — | ADVANCED SYSTEMS TECH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH51NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; OTHER NATURAL RESOURCES; BASIC RESEARCH | Sep 15, 1996 | Sep 15, 1996 | Sep 15, 1997 |
| | — | ADVANCED SYSTEMS TECH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH51NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; OTHER NATURAL RESOURCES; BASIC RESEARCH | Sep 15, 1996 | Sep 15, 1996 | Sep 15, 1997 |
| | — | ADVANCED SYSTEMS TECH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH51NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; OTHER NATURAL RESOURCES; BASIC RESEARCH | Aug 15, 1996 | Aug 15, 1996 | Sep 15, 1997 |
| | — | ADVANCED SYSTEMS TECH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH51NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; OTHER NATURAL RESOURCES; BASIC RESEARCH | Sep 15, 1995 | Sep 15, 1995 | Sep 15, 1997 |
| | — | ADVANCED SYSTEMS TECH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | F101ENVIRONMENTAL SYSTEMS PROTECTION- AIR QUALITY SUPPORT | Sep 15, 1995 | Sep 15, 1995 | Sep 15, 1997 |
| | — | ADVANCED SYSTEMS TECH, INC. | $0 | DEPT OF THE NAVY | — | — | — | R706SUPPORT- MANAGEMENT: LOGISTICS SUPPORT | Apr 15, 1995 | Apr 15, 1995 | Sep 15, 1995 |
| | — | ADVANCED SYSTEMS TECH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH51NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; OTHER NATURAL RESOURCES; BASIC RESEARCH | Jan 15, 1995 | Jan 15, 1995 | Sep 15, 1997 |
| | — | ADVANCED SYSTEMS TECH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH51NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; OTHER NATURAL RESOURCES; BASIC RESEARCH | Jan 15, 1995 | Jan 15, 1995 | Sep 15, 1997 |
| | — | ADVANCED SYSTEMS TECH, INC. | $0 | DEPT OF THE NAVY | — | — | — | R706SUPPORT- MANAGEMENT: LOGISTICS SUPPORT | Nov 15, 1994 | Nov 15, 1994 | Jun 15, 1996 |
| | — | ADVANCED SYSTEMS TECH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH51NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; OTHER NATURAL RESOURCES; BASIC RESEARCH | Aug 15, 1994 | Aug 15, 1994 | Sep 15, 1997 |
| | — | ADVANCED SYSTEMS TECH, INC. | $0 | DEPT OF THE NAVY | — | — | — | R706SUPPORT- MANAGEMENT: LOGISTICS SUPPORT | Mar 15, 1994 | Mar 15, 1994 | Sep 15, 1994 |
| | — | ADVANCED SYSTEMS TECH, INC. | $0 | DEPT OF THE NAVY | — | — | — | R706SUPPORT- MANAGEMENT: LOGISTICS SUPPORT | Feb 15, 1994 | Feb 15, 1994 | Feb 15, 1994 |
| | — | ADVANCED SYSTEMS TECH, INC. | $0 | DEPT OF THE NAVY | — | — | — | R706SUPPORT- MANAGEMENT: LOGISTICS SUPPORT | Jan 15, 1994 | Jan 15, 1994 | Sep 15, 1994 |
| | — | ADVANCED SYSTEMS TECH, INC. | $0 | DEPT OF THE NAVY | — | — | — | R706SUPPORT- MANAGEMENT: LOGISTICS SUPPORT | Oct 15, 1993 | Oct 15, 1993 | Sep 15, 1994 |
| | — | ADVANCED SYSTEMS TECH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | F101ENVIRONMENTAL SYSTEMS PROTECTION- AIR QUALITY SUPPORT | Sep 15, 1993 | Sep 15, 1993 | Sep 15, 1997 |
| | — | ADVANCED SYSTEMS TECH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH51NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; OTHER NATURAL RESOURCES; BASIC RESEARCH | Sep 15, 1993 | Sep 15, 1993 | Sep 15, 1997 |
| | — | ADVANCED SYSTEMS TECH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH51NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; OTHER NATURAL RESOURCES; BASIC RESEARCH | Sep 15, 1993 | Sep 15, 1993 | Sep 15, 1997 |
| | — | ADVANCED SYSTEMS TECH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH51NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; OTHER NATURAL RESOURCES; BASIC RESEARCH | Aug 15, 1993 | Aug 15, 1993 | Sep 15, 1997 |
| | — | ADVANCED SYSTEMS TECH, INC. | $0 | DEPT OF THE NAVY | — | — | — | AC33NATIONAL DEFENSE R&D SERVICES; DEFENSE-RELATED ACTIVITIES; EXPERIMENTAL DEVELOPMENT | Aug 15, 1993 | Aug 15, 1993 | Feb 15, 1994 |
| | — | ADVANCED SYSTEMS TECH, INC. | $0 | DEPT OF THE NAVY | — | — | — | AC33NATIONAL DEFENSE R&D SERVICES; DEFENSE-RELATED ACTIVITIES; EXPERIMENTAL DEVELOPMENT | Aug 15, 1993 | Aug 15, 1993 | Dec 15, 1993 |
| | — | ADVANCED SYSTEMS TECH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH51NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; OTHER NATURAL RESOURCES; BASIC RESEARCH | Jun 15, 1993 | Jun 15, 1993 | Sep 15, 1997 |
| | — | ADVANCED SYSTEMS TECH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | F101ENVIRONMENTAL SYSTEMS PROTECTION- AIR QUALITY SUPPORT | Jun 15, 1993 | Jun 15, 1993 | Sep 15, 1997 |
| | — | ADVANCED SYSTEMS TECH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH51NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; OTHER NATURAL RESOURCES; BASIC RESEARCH | May 15, 1993 | May 15, 1993 | Sep 15, 1997 |