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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-11B 02/17/05 120 <10 <10 <10 260 <1,000 <100 <br /> AR/MW-11B 05/19/05 78 <7.0 <7.0 <7.0 120 <700 <100 <br /> AR/MW-11B 09/02/05 240 <7.0 <7.0 <7.0 400 <700 <70 <br /> AR/MW-116 11/29/05 240 <9.0 <9.0 <9.0 320 <900 <90 <br /> AR/MW-11B 02/09/06 270 <20 <20 <20 2,300 <2,000 <200 <br /> AR/MW-11B 05/12/06 360 <7.0 <7.0 <7.0 610 <700 <70 <br /> AR/MW-11B 08/08/06 400 <8.0 <8.0 <8.0 780 <800 <80 <br /> AR/MW-11B 10/31/06 410 <15 <15 <15 830 <2,000 <150 <br /> AR/MW-116 01/31/07 48 <1.5 <1.5 <1.5 63 <150 <50 <br /> AR/MW-11B 05/03/07 270 <15 <15 <15 340 <1,500 <150 <br /> AR/MW-11B 08/01/07 380 <20 <20 <20 470 <2,000 <200 <br /> AR/MW-11B 10/31/07 520 <20 <20 <20 510 <2,000 <200 <br /> AR/MW-11B 02/06/08 430 <15 <15 <15 250 <1,500 <150 <br /> AR/MW-116 05/08/08 430 <20 <20 <20 550 <2,000 <200 <br /> AR/MW-11B 08/07/08 300 <9.0 <9.0 <9.0 380 <900 <90 <br /> AR/MW-11B 11/07/08 240 <8.0 <8.0 <8.0 300 <2,000 <80 <br /> AR/MW-11B 02/04/09 450 <8.0 <8.0 <8.0 410 <800 <80 <br /> AR/MW-11B 2 05/07/09 520 <25 <25 <25 390 <2,500 <250 <br /> AR/MW-11B z 08/06/09 580 <9.0 <9.0 <9.0 460 <1,500 <90 <br /> AR/MW-11B 2 11/05/09 620 <15 <15 <15 460 <1,500 <150 <br /> AR/MW-11B 02/05/10 470 <15 <15 <15 350 <1,500 <150 -- -- <br /> AR/MW-11C 02/14/01 6.6 <1.0 <1.0 <1.0 <5.0 -- -- <br /> AR/MW-11C 05/09/01 1.3 <1.0 <1.0 <1.0 <5.0 <br /> AR/MW-11C 08/24/01 1.1 <1.0 <1.0 <1.0 <5.0 <br /> AR/MW-11C 10/31/01 1.7 <1.0 <1.0 <1.0 <5.0 <br /> AR/MW-11C 02/06/02 2.5 <5.0 <5.0 <5.0 35 -- -- -- -- <br /> AR/MW-11C 05/02/02 1.3 <0.50 <0.50 <0.50 <5.0 160 <50 1.0 <0.50 <br /> AR/MW-11C 08/01/02 2.6 <2.0 <2.0 <2.0 27 <200 <20 -- -- <br /> AR/MW-11C 10/31/02 12 <5.0 <5.0 <5.0 99 <500 <50 <br /> AR/MW-11C 02/26/03 18 <5.0 <5.0 <5.0 110 <500 <50 <br /> AR/MW-11C 06/10/03 77 <20 <20 <20 230 <2,000 <200 <br /> AR/MW-11C 08/14/03 67 <20 <20 <20 250 <2,000 <200 <br /> AR/MW-11C 11/12/03 1.4 <0.50 <0.50 <0.50 <5.0 <50 <5.0 <br /> AR/MW-11C 03/02/04 <0.50 <0.50 <0.50 <0.50 <5.0 <50 5.2 <br /> AR/MW-11C 2 05/19/04 14 <1.5 <1.5 <1.5 83 <200 <20 <br /> AR/MW-11C 08/20/04 17 <2.5 <2.5 <2.5 66 <250 <25 <br /> AR/MW-11C 11/17/04 30 <2.5 <2.5 <2.5 110 <250 <25 <br /> 1 Q10 STTC gwtables.xlsx Page 17 of 77 <br />