| | — | ENVIRONMENTAL QUALITY MANAGEMENT, INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | Sep 15, 1999 | Sep 15, 1999 | Jul 15, 2000 |
| | — | BATTELLE MEMORIAL INSTITUTE | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2000 |
| | — | RADIAN CORP | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 1999 |
| | — | RADIAN CORP | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 1999 |
| | — | BATTELLE MEMORIAL INSTITUTE | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2000 |
| | — | RADIAN CORP | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | Sep 15, 1999 | Sep 15, 1999 | May 15, 2000 |
| | — | RADIAN CORP | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | Aug 15, 1999 | Aug 15, 1999 | Feb 15, 2000 |
| | — | BATTELLE MEMORIAL INSTITUTE | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | Aug 15, 1999 | Aug 15, 1999 | Sep 15, 2000 |
| | — | RADIAN CORP | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | Aug 15, 1999 | Aug 15, 1999 | Feb 15, 2000 |
| | — | RADIAN CORP | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | Aug 15, 1999 | Aug 15, 1999 | Feb 15, 2000 |
| | — | BATTELLE MEMORIAL INSTITUTE | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | Aug 15, 1999 | Aug 15, 1999 | Sep 15, 2000 |
| | — | RADIAN CORP | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | Jul 15, 1999 | Jul 15, 1999 | Sep 15, 1999 |
| | — | ENVIRONMENTAL QUALITY MANAGEMENT, INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | Jul 15, 1999 | Jul 15, 1999 | Jul 15, 2000 |
| | — | ENVIRONMENTAL QUALITY MANAGEMENT, INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | Jul 15, 1999 | Jul 15, 1999 | Jul 15, 2000 |
| | — | LEIDOS, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | Jun 15, 1999 | Jun 15, 1999 | Sep 15, 1999 |
| | — | BATTELLE MEMORIAL INSTITUTE | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | Jun 15, 1999 | Jun 15, 1999 | Sep 15, 2000 |
| | — | LEIDOS, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | Jun 15, 1999 | Jun 15, 1999 | Feb 15, 2000 |
| | — | LEIDOS, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | May 15, 1999 | May 15, 1999 | Sep 15, 1999 |
| | — | LEIDOS, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | May 15, 1999 | May 15, 1999 | Sep 15, 1999 |
| | — | LEIDOS, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | May 15, 1999 | May 15, 1999 | Sep 15, 1999 |
| | — | BATTELLE MEMORIAL INSTITUTE | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | May 15, 1999 | May 15, 1999 | Sep 15, 2000 |
| | — | LEIDOS, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | May 15, 1999 | May 15, 1999 | Sep 15, 1999 |
| | — | LEIDOS, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | May 15, 1999 | May 15, 1999 | Sep 15, 1999 |
| | — | LEIDOS, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | May 15, 1999 | May 15, 1999 | Sep 15, 1999 |
| | — | LEIDOS, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R529 | May 15, 1999 | May 15, 1999 | Sep 15, 1999 |