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PIIDEP0003DELIVERY ORDER

TETRA TECH INC

UEI: LMRMKLLL3LG5

$10,172,396.58

Awarding Agency

Environmental Protection Agency

Sub-Agency

Environmental Protection Agency

Start Date

February 9, 2006

End Date

June 27, 2014

NAICS

PSC

F108

Transactions (61)

Date	Mod #	Action	Obligation
Feb 9, 2006	0	—	+$300,000
Mar 21, 2006	1	OTHER ADMINISTRATIVE ACTION	+$0
Apr 6, 2006	2	FUNDING ONLY ACTION	+$685,000
May 5, 2006	3	FUNDING ONLY ACTION	+$200,000
Aug 8, 2006	4	OTHER ADMINISTRATIVE ACTION	-$200,000
Oct 13, 2006	5	OTHER ADMINISTRATIVE ACTION	+$0
Nov 28, 2006	6	OTHER ADMINISTRATIVE ACTION	+$0
Jan 10, 2007	7	FUNDING ONLY ACTION	+$50,000
Jan 16, 2007	8	FUNDING ONLY ACTION	+$60,000
Mar 21, 2007	9	FUNDING ONLY ACTION	+$80,000
Apr 16, 2007	10	FUNDING ONLY ACTION	+$200,000
May 15, 2007	11	FUNDING ONLY ACTION	+$100,000
Jul 5, 2007	12	FUNDING ONLY ACTION	+$200,000
Aug 13, 2007	13	FUNDING ONLY ACTION	+$200,000
Aug 17, 2007	14	FUNDING ONLY ACTION	+$400,000
Sep 24, 2007	15	FUNDING ONLY ACTION	+$188,853
Feb 12, 2008	16	FUNDING ONLY ACTION	+$25,000
Feb 19, 2008	17	FUNDING ONLY ACTION	+$0
Mar 27, 2008	18	FUNDING ONLY ACTION	+$150,000
May 2, 2008	19	OTHER ADMINISTRATIVE ACTION	-$50,000
Jun 4, 2008	20	FUNDING ONLY ACTION	+$135,000
Jul 1, 2008	21	FUNDING ONLY ACTION	+$250,000
Dec 18, 2008	22	FUNDING ONLY ACTION	+$165,000
Jan 20, 2009	23	FUNDING ONLY ACTION	+$100,000
Jan 30, 2009	24	FUNDING ONLY ACTION	+$50,706
Apr 24, 2009	25	FUNDING ONLY ACTION	+$125,000
May 26, 2009	26	FUNDING ONLY ACTION	+$50,000
Jun 19, 2009	27	FUNDING ONLY ACTION	+$300,000
Jun 26, 2009	28	FUNDING ONLY ACTION	+$100,000
Aug 25, 2009	29	FUNDING ONLY ACTION	+$30,000
Sep 28, 2009	30	FUNDING ONLY ACTION	+$250,000
Oct 14, 2009	31	OTHER ADMINISTRATIVE ACTION	+$0
Dec 11, 2009	32	FUNDING ONLY ACTION	+$300,000
Feb 9, 2010	33	FUNDING ONLY ACTION	+$350,000
Mar 3, 2010	34	FUNDING ONLY ACTION	+$300,000
Mar 31, 2010	35	FUNDING ONLY ACTION	+$100,000
Apr 27, 2010	36	FUNDING ONLY ACTION	+$515,000
May 10, 2010	37	FUNDING ONLY ACTION	+$300,000
Jul 6, 2010	38	FUNDING ONLY ACTION	+$150,000
Sep 30, 2010	39	FUNDING ONLY ACTION	+$250,000
Dec 28, 2010	40	OTHER ADMINISTRATIVE ACTION	+$0
Feb 28, 2011	41	FUNDING ONLY ACTION	+$140,000
Mar 17, 2011	42	FUNDING ONLY ACTION	+$200,000
Apr 20, 2011	43	FUNDING ONLY ACTION	+$126,000
Jul 12, 2011	44	FUNDING ONLY ACTION	+$340,000
Sep 19, 2011	45	FUNDING ONLY ACTION	+$310,000
Sep 30, 2011	46	FUNDING ONLY ACTION	+$109,874
Feb 23, 2012	47	FUNDING ONLY ACTION	+$250,000
Apr 3, 2012	48	FUNDING ONLY ACTION	+$150,000
Apr 17, 2012	49	FUNDING ONLY ACTION	+$100,000
Jun 19, 2012	50	FUNDING ONLY ACTION	+$300,000
Sep 26, 2012	51	FUNDING ONLY ACTION	+$514,200
Feb 6, 2013	52	FUNDING ONLY ACTION	+$215,000
May 22, 2013	53	FUNDING ONLY ACTION	+$136,000
Jun 25, 2013	54	FUNDING ONLY ACTION	+$100,000
Aug 9, 2013	55	FUNDING ONLY ACTION	+$533,000
Sep 25, 2013	56	FUNDING ONLY ACTION	+$734,865
Sep 26, 2013	57	FUNDING ONLY ACTION	+$100,000
Mar 19, 2014	58	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$0
Jan 9, 2015	59	FUNDING ONLY ACTION	-$582,958
Feb 22, 2018	60	FUNDING ONLY ACTION	-$13,143