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PIID0004DELIVERY ORDER

TETRA TECH, INC.

UEI: LMRMKLLL3LG5

$6,822,322.16

Awarding Agency

Environmental Protection Agency

Sub-Agency

Environmental Protection Agency

Start Date

June 10, 2013

End Date

March 27, 2018

NAICS

PSC

R499

Transactions (14)

Date	Mod #	Action	Obligation
Jun 10, 2013	0	—	+$1,681,966
Sep 5, 2013	1	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$420,512
Jun 24, 2014	2	EXERCISE AN OPTION	+$1,221,674
Aug 25, 2014	3	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$523,687
Nov 13, 2014	4	OTHER ADMINISTRATIVE ACTION	+$0
Aug 25, 2015	5	EXERCISE AN OPTION	+$1,164,491
Jan 14, 2016	6	OTHER ADMINISTRATIVE ACTION	+$0
Feb 4, 2016	7	OTHER ADMINISTRATIVE ACTION	+$0
Jul 25, 2016	8	EXERCISE AN OPTION	+$1,162,938
Sep 13, 2016	9	FUNDING ONLY ACTION	+$22,033
Aug 16, 2017	10	EXERCISE AN OPTION	+$681,786
Sep 26, 2017	11	FUNDING ONLY ACTION	+$0
Jun 28, 2018	P00012	OTHER ADMINISTRATIVE ACTION	+$0
Jun 4, 2020	P00013	FUNDING ONLY ACTION	-$56,765