| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R512 | Dec 15, 1994 | Dec 15, 1994 | Sep 15, 1995 |
| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | B513SPECIAL STUDIES/ANALYSIS- FEASIBILITY (NON-CONSTRUCTION) | Dec 15, 1994 | Dec 15, 1994 | Jun 15, 1998 |
| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R512 | Sep 15, 1994 | Sep 15, 1994 | Sep 15, 1995 |
| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R512 | Sep 15, 1994 | Sep 15, 1994 | Sep 15, 1995 |
| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R512 | Sep 15, 1994 | Sep 15, 1994 | Sep 15, 1995 |
| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | C211ARCHITECT AND ENGINEERING- GENERAL: LANDSCAPING, INTERIOR LAYOUT, AND DESIGNING | Sep 15, 1994 | Sep 15, 1994 | Jun 15, 1998 |
| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | C211ARCHITECT AND ENGINEERING- GENERAL: LANDSCAPING, INTERIOR LAYOUT, AND DESIGNING | Sep 15, 1994 | Sep 15, 1994 | Jun 15, 1998 |
| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R512 | Sep 15, 1994 | Sep 15, 1994 | Sep 15, 1995 |
| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R512 | Sep 15, 1994 | Sep 15, 1994 | Sep 15, 1995 |
| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R512 | Sep 15, 1994 | Sep 15, 1994 | Sep 15, 1995 |
| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Aug 15, 1994 | Aug 15, 1994 | Jun 15, 1998 |
| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | C211ARCHITECT AND ENGINEERING- GENERAL: LANDSCAPING, INTERIOR LAYOUT, AND DESIGNING | Jun 15, 1994 | Jun 15, 1994 | Jun 15, 1998 |
| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R512 | Jun 15, 1994 | Jun 15, 1994 | Sep 15, 1995 |
| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Jun 15, 1994 | Jun 15, 1994 | Jun 15, 1998 |
| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R512 | May 15, 1994 | May 15, 1994 | Sep 15, 1995 |
| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | May 15, 1994 | May 15, 1994 | Jun 15, 1998 |
| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | C211ARCHITECT AND ENGINEERING- GENERAL: LANDSCAPING, INTERIOR LAYOUT, AND DESIGNING | Apr 15, 1994 | Apr 15, 1994 | Jun 15, 1998 |
| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R512 | Mar 15, 1994 | Mar 15, 1994 | Sep 15, 1995 |
| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | B513SPECIAL STUDIES/ANALYSIS- FEASIBILITY (NON-CONSTRUCTION) | Mar 15, 1994 | Mar 15, 1994 | Jun 15, 1998 |
| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Feb 15, 1994 | Feb 15, 1994 | Jun 15, 1998 |
| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | R512 | Sep 15, 1993 | Sep 15, 1993 | Sep 15, 1995 |
| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH31NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; RECREATIONAL RESOURCES; BASIC RESEARCH | Sep 15, 1993 | Sep 15, 1993 | Sep 15, 1988 |
| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Sep 15, 1993 | Sep 15, 1993 | Jun 15, 1998 |
| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | B513SPECIAL STUDIES/ANALYSIS- FEASIBILITY (NON-CONSTRUCTION) | Sep 15, 1993 | Sep 15, 1993 | Jun 15, 1998 |
| | — | TETRA TECH | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | F108ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | Sep 15, 1993 | Sep 15, 1993 | Jun 15, 1998 |