| | — | NETWORK MANAGEMENT INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | Aug 15, 1999 | Aug 15, 1999 | Mar 15, 2000 |
| | — | LOCKHEED MARTIN SERVICES, LLC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | Aug 15, 1999 | Aug 15, 1999 | Dec 15, 2002 |
| | — | NETWORK MANAGEMENT INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | Jul 15, 1999 | Jul 15, 1999 | Mar 15, 2000 |
| | — | LOCKHEED MARTIN SERVICES, LLC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | Jul 15, 1999 | Jul 15, 1999 | Dec 15, 2002 |
| | — | LOCKHEED MARTIN SERVICES, LLC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | Jul 15, 1999 | Jul 15, 1999 | Dec 15, 2002 |
| | — | PEROT SYSTEMS GOVERNMENT SERVICES, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | Jul 15, 1999 | Jul 15, 1999 | Jul 15, 1999 |
| | — | NETWORK MANAGEMENT INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | Jul 15, 1999 | Jul 15, 1999 | Mar 15, 2000 |
| | — | LOCKHEED MARTIN SERVICES, LLC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | Jul 15, 1999 | Jul 15, 1999 | Dec 15, 2002 |
| | — | PEROT SYSTEMS GOVERNMENT SERVICES, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | Jul 15, 1999 | Jul 15, 1999 | Jul 15, 1999 |
| | — | NETWORK MANAGEMENT INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | Jun 15, 1999 | Jun 15, 1999 | Sep 15, 1999 |
| | — | LOCKHEED MARTIN SERVICES, LLC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | Jun 15, 1999 | Jun 15, 1999 | Dec 15, 2002 |
| | — | LOCKHEED MARTIN SERVICES, LLC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | Jun 15, 1999 | Jun 15, 1999 | Dec 15, 2002 |
| | — | LOCKHEED MARTIN SERVICES, LLC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | Jun 15, 1999 | Jun 15, 1999 | Dec 15, 2002 |
| | — | PEROT SYSTEMS GOVERNMENT SERVICES, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | Jun 15, 1999 | Jun 15, 1999 | Jul 15, 1999 |
| | — | PEROT SYSTEMS GOVERNMENT SERVICES, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | Jun 15, 1999 | Jun 15, 1999 | Jul 15, 1999 |
| | — | PEROT SYSTEMS GOVERNMENT SERVICES, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | May 15, 1999 | May 15, 1999 | Jul 15, 1999 |
| | — | NETWORK MANAGEMENT INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | May 15, 1999 | May 15, 1999 | Sep 15, 1999 |
| | — | LOCKHEED MARTIN SERVICES, LLC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | May 15, 1999 | May 15, 1999 | Dec 15, 2002 |
| | — | NETWORK MANAGEMENT INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | May 15, 1999 | May 15, 1999 | Sep 15, 1999 |
| | — | PEROT SYSTEMS GOVERNMENT SERVICES, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | May 15, 1999 | May 15, 1999 | Jul 15, 1999 |
| | — | PEROT SYSTEMS GOVERNMENT SERVICES, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | Apr 15, 1999 | Apr 15, 1999 | Jul 15, 1999 |
| | — | PEROT SYSTEMS GOVERNMENT SERVICES, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | Apr 15, 1999 | Apr 15, 1999 | Jul 15, 1999 |
| | — | PEROT SYSTEMS GOVERNMENT SERVICES, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | Apr 15, 1999 | Apr 15, 1999 | Jul 15, 1999 |
| | — | LOCKHEED MARTIN SERVICES, LLC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | Apr 15, 1999 | Apr 15, 1999 | Dec 15, 2002 |
| | — | PEROT SYSTEMS GOVERNMENT SERVICES, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R399 | Apr 15, 1999 | Apr 15, 1999 | Jul 15, 1999 |