| | — | CINCINNATI UNIV OF | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2000 |
| | — | RESEARCH TRIANGLE INSTITUTE | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | Jul 15, 1999 | Jul 15, 1999 | Sep 15, 2001 |
| | — | RESEARCH TRIANGLE INSTITUTE | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | Jul 15, 1999 | Jul 15, 1999 | Sep 15, 2001 |
| | — | RESEARCH TRIANGLE INSTITUTE | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | Jun 15, 1999 | Jun 15, 1999 | Sep 15, 2001 |
| | — | SIERRA RESEARCH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | Jun 15, 1999 | Jun 15, 1999 | Sep 15, 2000 |
| | — | RESEARCH TRIANGLE INSTITUTE | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | May 15, 1999 | May 15, 1999 | Sep 15, 2001 |
| | — | SIERRA RESEARCH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | Mar 15, 1999 | Mar 15, 1999 | Sep 15, 2002 |
| | — | SIERRA RESEARCH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | Mar 15, 1999 | Mar 15, 1999 | Sep 15, 2002 |
| | — | SIERRA RESEARCH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | Mar 15, 1999 | Mar 15, 1999 | Sep 15, 2002 |
| | — | SIERRA RESEARCH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | Mar 15, 1999 | Mar 15, 1999 | Sep 15, 2002 |
| | — | SIERRA RESEARCH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | Feb 15, 1999 | Feb 15, 1999 | Sep 15, 2002 |
| | — | SIERRA RESEARCH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | Oct 15, 1998 | Oct 15, 1998 | Sep 15, 2002 |
| | — | SIERRA RESEARCH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | Sep 15, 1998 | Sep 15, 1998 | Sep 15, 2002 |
| | — | SIERRA RESEARCH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | Sep 15, 1998 | Sep 15, 1998 | Sep 15, 2002 |
| | — | SIERRA RESEARCH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | Sep 15, 1998 | Sep 15, 1998 | Sep 15, 2002 |
| | — | SIERRA RESEARCH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | Sep 15, 1998 | Sep 15, 1998 | Sep 15, 2002 |
| | — | SIERRA RESEARCH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | Aug 15, 1998 | Aug 15, 1998 | Sep 15, 2002 |
| | — | SIERRA RESEARCH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | Aug 15, 1998 | Aug 15, 1998 | Sep 15, 2002 |
| | — | SIERRA RESEARCH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | Jul 15, 1998 | Jul 15, 1998 | Sep 15, 2002 |
| | — | SIERRA RESEARCH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | Jul 15, 1998 | Jul 15, 1998 | Sep 15, 2002 |
| | — | RESEARCH TRIANGLE INSTITUTE | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | Jul 15, 1998 | Jul 15, 1998 | Sep 15, 2001 |
| | — | SIERRA RESEARCH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | Jun 15, 1998 | Jun 15, 1998 | Sep 15, 2002 |
| | — | RESEARCH TRIANGLE INSTITUTE | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | Jun 15, 1998 | Jun 15, 1998 | Sep 15, 2001 |
| | — | RESEARCH TRIANGLE INSTITUTE | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | Jun 15, 1998 | Jun 15, 1998 | Sep 15, 2001 |
| | — | SIERRA RESEARCH, INC. | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH10 | Apr 15, 1998 | Apr 15, 1998 | Sep 15, 2002 |