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PIIDDEAT0504OR23024DELIVERY ORDER

TETRA TECH HEI, INC.

UEI: LMRMKLLL3LG5

$22,934,259.91

Awarding Agency

Department of Energy

Sub-Agency

Department of Energy

Start Date

January 1, 2004

End Date

January 15, 2011

NAICS

PSC

R799

Transactions (27)

Date	Mod #	Action	Obligation
Jan 15, 2004	0	—	+$1,376,893
Sep 28, 2004	M001	OTHER ADMINISTRATIVE ACTION	+$0
Sep 29, 2004	A002	OTHER ADMINISTRATIVE ACTION	+$0
Nov 10, 2004	A003	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$296,468
Dec 29, 2004	A004	FUNDING ONLY ACTION	+$1,337,702
Mar 22, 2005	A900	OTHER ADMINISTRATIVE ACTION	+$0
Sep 27, 2005	A005	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$576,670
Dec 21, 2005	A006	EXERCISE AN OPTION	+$1,835,970
May 22, 2006	A007	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$1,386,756
Dec 21, 2006	A008	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$1,552,390
Jun 14, 2007	A009	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$1,023,445
Aug 13, 2007	A010	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$1,059,553
Dec 21, 2007	M011	EXERCISE AN OPTION	+$0
Jan 25, 2008	A012	FUNDING ONLY ACTION	+$2,605,517
Jan 31, 2008	A013	FUNDING ONLY ACTION	+$2,704,839
Mar 27, 2008	A014	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$0
Sep 23, 2008	A015	FUNDING ONLY ACTION	+$591,835
Dec 29, 2008	M016	ADDITIONAL WORK (NEW AGREEMENT,FAR PART 6 APPLI	+$0
Feb 27, 2009	M017	ADDITIONAL WORK (NEW AGREEMENT,FAR PART 6 APPLI	+$0
Jul 24, 2009	A018	FUNDING ONLY ACTION	+$2,391,000
Sep 30, 2009	20	FUNDING ONLY ACTION	+$50,000
Sep 30, 2009	19	FUNDING ONLY ACTION	+$685,210
Jan 28, 2010	21	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$0
Jan 29, 2010	22	FUNDING ONLY ACTION	+$1,670,000
Jun 23, 2010	23	FUNDING ONLY ACTION	+$1,090,000
Sep 16, 2010	24	FUNDING ONLY ACTION	+$1,080,000
Aug 27, 2025	26	FUNDING ONLY ACTION	-$379,988