| | — | CET ENVIRONMENTAL SERVICES, IN | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | 561210Facilities Support Services | S221 | Sep 15, 1999 | Sep 15, 1999 | Jan 15, 2002 |
| | — | WRS ACQUISITION CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | S221 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2004 |
| | — | WRS ACQUISITION CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | S221 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2004 |
| | — | EARTH TECH INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | S221 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2004 |
| | — | WRS ACQUISITION CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | S221 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2004 |
| | — | WRS ACQUISITION CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | S221 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2004 |
| | — | EARTH TECH INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | S221 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2004 |
| | — | EARTH TECH INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | S221 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2004 |
| | — | WRS ACQUISITION CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | S221 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2004 |
| | — | EARTH TECH INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | S221 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2004 |
| | — | WRS ACQUISITION CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | S221 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2004 |
| | — | WRS ACQUISITION CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | S221 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2004 |
| | — | EARTH TECH INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | S221 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2004 |
| | — | WRS ACQUISITION CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | S221 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2004 |
| | — | EARTH TECH INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | S221 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2004 |
| | — | EARTH TECH INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | S221 | Sep 15, 1999 | Sep 15, 1999 | Dec 15, 1999 |
| | — | WRS ACQUISITION CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | S221 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2004 |
| | — | EARTH TECH INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | S221 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2004 |
| | — | WRS ACQUISITION CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | S221 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2004 |
| | — | CET ENVIRONMENTAL SERVICES, IN | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | 561210Facilities Support Services | S221 | Sep 15, 1999 | Sep 15, 1999 | Jan 15, 2002 |
| | — | EARTH TECH INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | S221 | Sep 15, 1999 | Sep 15, 1999 | Dec 15, 1999 |
| | — | EARTH TECH INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | S221 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2004 |
| | — | WRS ACQUISITION CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | S221 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2004 |
| | — | AGRA ENVIRONMENTAL INC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | S221 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2001 |
| | — | WRS ACQUISITION CORPORATION | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | S221 | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2004 |