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Appendix I
<br /> Historical Groundwater Oxygenate and Fuel Additive Analytical Data
<br /> Stockton Terminals Technical Committee
<br /> Port of Stockton
<br /> Stockton, California
<br /> Sample Sample MTBE DIPE ETBE TAME TBA Methanol Ethanol 1,2-DCA EDB
<br /> Identification Date (pg/L) (pg/L) (Ng/L) (pg/L) (Ng/L) (Ng/L) (Ng/L) (pg/L) (pg/L) Comments
<br /> AR/MW-8A 08/08/06 1,700 <25 <25 <25 200 <2,500 <250
<br /> AR/MW-8A 10/30/06 2,500 <2.5 <2.5 <2.5 270 <1,500 <80
<br /> AR/MW-8A 01/30/07 4,600 <15 <15 <15 380 <2,000 <150
<br /> AR/MW-8A 05/03/07 3,700 <25 <25 <25 340 <3,000 <250
<br /> AR/MW-8A 08/02/07 5,000 <25 <25 <25 680 <5,000 <250
<br /> AR/MW-8A 11/01/07 7,100 <20 <20 <20 810 <2,000 <200
<br /> AR/MW-8A 02/04/08 -- -- -- -- -- -- -- Well Flooded
<br /> AR/MW-8A 05/09/08 4,800 <25 <25 <25 520 <2,500 <250
<br /> AR/MW-8A 08/07/08 6,700 <25 <25 <25 840 <2,500 <250
<br /> AR/MW-8A 08/26/08 7,200 -- -- -- <4,000 -- --
<br /> AR/MW-8A 11/07/08 7,100 <25 <25 <25 1,800 <5,000 <1,000
<br /> AR/MW-8A 02/05/09 9,000 <25 <25 <25 1,700 <5,000 <250
<br /> AR/MW-8A 05/08/09 6,600 <25 <25 <25 1,200 <4,000 <250
<br /> AR/MW-8A 08/07/09 7,600 <25 <25 <25 1,400 <2,500 <250
<br /> AR/MW-8A 11/06/09 6,500 <25 <25 <25 1,400 <5,000 <250
<br /> AR/MW-8A 02/04/10 6,100 <15 <15 17 1,300 <3,000 ' <150 -- --
<br /> AR/MW-8B 02/14/01 <50 <50 <50 <50 <250 -- --
<br /> AR/MW-8B 05/07/01 3.2 <1.0 <1.0 <1.0 <5.0
<br /> AR/MW-8B 08/22/01 <1.0 <1.0 <1.0 <1.0 <5.0
<br /> AR/MW-8B 10/30/01 <1.0 <1.0 <1.0 <1.0 <5.0
<br /> AR/MW-8B 02/04/02 51 <50 <50 <50 <100 -- --
<br /> AR/MW-8B 05/02/02 <50 <50 <50 <50 <500 <1,000 <5,000 200 <50
<br /> AR/MW-8B 08/01/02 <25 <25 <25 <25 <250 <2,500 <400
<br /> AR/MW-8B 10/31/02 <25 <25 <25 <25 <250 <2,500 <250
<br /> AR/MW-8B 02/27/03 <100 <100 <100 <100 <1,000 <10,000 <1,000
<br /> AR/MW-8B 05/30/03 <100 <100 <100 <100 <1,000 <10,000 <1,000
<br /> AR/MW-8B 08/13/03 110 <100 <100 <100 <1,000 <10,000 <1,000
<br /> AR/MW-8B 12/01/03 270 <25 <25 <25 <250 <2,500 <250
<br /> AR/MW-8B 02/24/04 -- -- -- -- -- -- -- Well Flooded
<br /> AR/MW-8B z 05/25/04 350 <25 <25 <25 <250 <2,500 <250
<br /> AR/MW-8B 08/20/04 360 <25 <25 <25 <150 <2,500 <250
<br /> AR/MW-8B 11/18/04 18 <1.5 <1.5 <1.5 8.6 <150 <15
<br /> AR/MW-8B 02/14/05 -- -- -- -- -- -- -- Well Flooded
<br /> AR/MW-8B 05/18/05 290 <9.0 <9.0 <9.0 82 <900 <90
<br /> AR/MW-8B 08/31/05 550 <5.0 <5.0 <5.0 100 <900 <90
<br /> AR/MW-8B 11/29/05 1,400 <5.0 <5.0 <5.0 160 <500 <50
<br /> AR/MW-8B 02/06/06 -- -- -- -- -- -- -- Well Flooded
<br /> 1 Q10 STTC gwtables.xlsx Page 10 of 77
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