Contract Expiration Date: Base Period of Performance ends September 28, 2023
(Three 5-year option periods ending September 28, 2038)

This contract was awarded to Tetra Tech EC, Inc., a subsidiary of Tetra Tech, Inc.

Tetra Tech provides various environmental planning and compliance services, waste management services, remediation, and geographic information systems (GIS) as either firm fixed-price or labor hour task orders. Our geographic coverage is Nationwide under this contract.

Services Covered Under GSA Environmental Services Schedule

This contract supports the following Special Item Numbers (SINs):

• SIN 899-1 Environmental consulting services
• SIN 899-7 Geographic Information Systems (GIS) services
• SIN 899-8 Remediation and reclamation services

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