Contract 68HE0923F0070 — TETRA TECH, INC.

PIID68HE0923F0070DELIVERY ORDER

UEI: LMRMKLLL3LG5

$1,101,146.14

Awarding Agency

Sub-Agency

Environmental Protection Agency

Start Date

September 13, 2023

End Date

September 13, 2026

NAICS

541620

PSC

B510

Transactions (7)

Date	Mod #	Action	Obligation
Sep 13, 2023	0	—	+$355,622
Oct 23, 2023	P00001	OTHER ADMINISTRATIVE ACTION	+$0
Jul 9, 2024	P00002	OTHER ADMINISTRATIVE ACTION	+$0
Aug 28, 2024	P00003	OTHER ADMINISTRATIVE ACTION	+$0
Mar 13, 2025	P00004	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$173,687
Jun 2, 2026	P00005	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$571,837
Aug 19, 2026	P00006	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$0