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PIIDEPW05054EP0001DELIVERY ORDER

TETRA TECH INC

UEI: LMRMKLLL3LG5

$16,531,268.44

Awarding Agency

Environmental Protection Agency

Sub-Agency

Environmental Protection Agency

Start Date

February 2, 2006

End Date

June 27, 2014

NAICS

PSC

F108

Transactions (77)

Date	Mod #	Action	Obligation
Feb 2, 2006	0	—	+$1,200,000
Mar 16, 2006	1	FUNDING ONLY ACTION	+$250,000
Jun 7, 2006	2	FUNDING ONLY ACTION	+$50,000
Jun 22, 2006	3	FUNDING ONLY ACTION	+$50,000
Aug 8, 2006	4	FUNDING ONLY ACTION	+$200,000
Sep 29, 2006	5	FUNDING ONLY ACTION	+$30,456
Oct 13, 2006	6	FUNDING ONLY ACTION	+$400,000
Nov 20, 2006	7	FUNDING ONLY ACTION	+$850,090
Jan 8, 2007	8	FUNDING ONLY ACTION	+$80,000
Jan 25, 2007	9	FUNDING ONLY ACTION	+$50,000
Feb 14, 2007	10	FUNDING ONLY ACTION	+$557,200
Mar 21, 2007	11	FUNDING ONLY ACTION	+$250,000
May 15, 2007	12	FUNDING ONLY ACTION	+$600,000
Aug 13, 2007	13	FUNDING ONLY ACTION	+$431,000
Sep 24, 2007	14	FUNDING ONLY ACTION	+$300,000
Sep 25, 2007	15	FUNDING ONLY ACTION	+$54,000
Sep 28, 2007	16	FUNDING ONLY ACTION	+$6,018
Nov 20, 2007	17	FUNDING ONLY ACTION	+$140,000
Dec 19, 2007	18	FUNDING ONLY ACTION	+$250,000
Jan 22, 2008	19	FUNDING ONLY ACTION	+$100,000
Feb 13, 2008	20	FUNDING ONLY ACTION	+$250,000
Mar 27, 2008	21	FUNDING ONLY ACTION	+$450,000
Jun 4, 2008	22	FUNDING ONLY ACTION	+$210,000
Aug 4, 2008	23	FUNDING ONLY ACTION	+$70,000
Aug 26, 2008	24	FUNDING ONLY ACTION	+$96,442
Sep 29, 2008	25	FUNDING ONLY ACTION	+$125,000
Dec 18, 2008	26	FUNDING ONLY ACTION	+$135,000
Jan 20, 2009	27	FUNDING ONLY ACTION	+$400,000
Jan 30, 2009	28	FUNDING ONLY ACTION	+$217,118
Mar 26, 2009	29	FUNDING ONLY ACTION	+$280,000
May 26, 2009	30	FUNDING ONLY ACTION	+$300,000
Jun 1, 2009	31	FUNDING ONLY ACTION	+$400,000
Jun 25, 2009	32	FUNDING ONLY ACTION	+$350,000
Aug 28, 2009	33	OTHER ADMINISTRATIVE ACTION	+$0
Aug 31, 2009	34	FUNDING ONLY ACTION	+$300,000
Sep 17, 2009	35	OTHER ADMINISTRATIVE ACTION	+$0
Nov 2, 2009	36	OTHER ADMINISTRATIVE ACTION	+$0
Nov 17, 2009	37	FUNDING ONLY ACTION	+$236,838
Dec 10, 2009	38	FUNDING ONLY ACTION	+$844,000
Mar 3, 2010	39	FUNDING ONLY ACTION	+$400,000
Mar 22, 2010	40	FUNDING ONLY ACTION	+$20,000
Apr 26, 2010	41	FUNDING ONLY ACTION	+$40,000
Jul 6, 2010	42	FUNDING ONLY ACTION	+$572,000
Jul 15, 2010	43	FUNDING ONLY ACTION	+$178,000
Sep 1, 2010	44	FUNDING ONLY ACTION	+$78,178
Sep 20, 2010	45	FUNDING ONLY ACTION	+$80,000
Sep 23, 2010	46	FUNDING ONLY ACTION	+$250,000
Sep 29, 2010	47	FUNDING ONLY ACTION	+$150,000
Dec 28, 2010	48	OTHER ADMINISTRATIVE ACTION	+$0
Mar 15, 2011	49	FUNDING ONLY ACTION	+$290,000
Apr 21, 2011	50	FUNDING ONLY ACTION	+$200,000
May 17, 2011	51	FUNDING ONLY ACTION	+$200,000
Jun 28, 2011	52	FUNDING ONLY ACTION	+$300,000
Aug 16, 2011	53	FUNDING ONLY ACTION	+$125,000
Sep 1, 2011	54	FUNDING ONLY ACTION	+$114,000
Feb 23, 2012	55	FUNDING ONLY ACTION	+$445,047
Apr 17, 2012	56	FUNDING ONLY ACTION	+$288,703
May 10, 2012	57	FUNDING ONLY ACTION	+$125,000
Jul 27, 2012	58	FUNDING ONLY ACTION	-$45,197
Aug 23, 2012	59	FUNDING ONLY ACTION	+$250,000
Sep 27, 2012	60	FUNDING ONLY ACTION	+$150,000
Nov 20, 2012	61	FUNDING ONLY ACTION	+$300,000
Jan 30, 2013	62	FUNDING ONLY ACTION	+$124,600
Apr 18, 2013	63	FUNDING ONLY ACTION	+$150,000
May 22, 2013	64	FUNDING ONLY ACTION	+$100,000
Jun 25, 2013	65	FUNDING ONLY ACTION	+$150,000
Sep 26, 2013	67	FUNDING ONLY ACTION	+$250,000
Sep 26, 2013	66	FUNDING ONLY ACTION	+$350,000
Feb 14, 2014	68	FUNDING ONLY ACTION	+$250,000
Mar 19, 2014	70	FUNDING ONLY ACTION	+$100,000
Mar 19, 2014	69	SUPPLEMENTAL AGREEMENT FOR WORK WITHIN SCOPE	+$0
Mar 20, 2014	71	FUNDING ONLY ACTION	+$200,000
Jan 8, 2015	72	FUNDING ONLY ACTION	-$147,512
Jul 1, 2019	73	FUNDING ONLY ACTION	-$19,707
Sep 20, 2021	P00075	OTHER ADMINISTRATIVE ACTION	+$0
Oct 18, 2021	P00074	OTHER ADMINISTRATIVE ACTION	-$5
Feb 14, 2022	P00076	OTHER ADMINISTRATIVE ACTION	+$0