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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-1A 08/06/09 970 <2.5 <2.5 18 3,000 <500 <50 <br /> AR/MW-1A 11/05/09 480 <2.0 <2.0 8.7 1,400 <400 <50 <br /> AR/MW-1A 02/03/10 91 <0.50 <0.50 1.9 310 <80 ' <50 -- - <br /> AR/MW-1 B 02/14/01 8.6 <5 <5 <5 69 -- -- <br /> AR/MW-1 B 05/09/01 8.2 <2.5 <2.5 <2.5 75 <br /> AR/MW-1 B 08/22/01 3.4 4.1 <1.0 <1.0 120 <br /> AR/MW-1B 10/31/01 8.3 <5.0 <5.0 <5.0 100 <br /> AR/MW-1 B 02/06/02 7.7 <5.0 <5.0 <5.0 <10 -- -- -- -- <br /> AR/MW-1 B 05/03/02 <50 <50 <50 <50 <500 <100 <5,000 120 <50 <br /> AR/MW-1 B 08/02/02 <20 <20 <20 <20 <200 <2,000 <300 <br /> AR/MW-1B 10/31/02 13 <10 <10 <10 110 <1,000 <100 <br /> AR/MW-1B 02/27/03 24 <10 <10 <10 130 <1,000 <100 <br /> AR/MW-1 B 05/30/03 26 <20 <20 <20 <200 <2,000 <200 <br /> AR/MW-1 B 08/13/03 22 <20 <20 <20 <200 <2,000 <200 <br /> AR/MW-1B 12/01/03 33 <10 <10 <10 180 <1,000 <100 <br /> AR/MW-1B 02/26/04 39 <10 <10 <10 110 <1,000 <100 <br /> AR/MW-1 B z 05/26/04 27 <5.0 <5.0 <5.0 110 <500 <50 <br /> AR/MW-1 B 08/20/04 76 <5.0 <5.0 <5.0 120 <500 <50 <br /> AR/MW-1B 11/18/04 41 <1.5 <1.5 <1.5 50 <150 <15 <br /> AR/MW-1 B 02/17/05 78 <3.0 <3.0 <3.0 99 <500 <50 <br /> AR/MW-1 B 05/20/05 51 <4.0 <4.0 <4.0 98 <400 <40 <br /> AR/MW-1B 08/31/05 90 <4.0 <4.0 <4.0 92 <400 <40 <br /> AR/MW-1B 12/22/05 88 1.0 <0.50 0.50 1,400 <80 <5.0 <br /> AR/MW-1 B 02/08/06 170 2.8 <2.5 <2.5 140 <250 <50 <br /> AR/MW-1 B 05/09/06 120 2.3 <0.90 <0.90 110 <90 <50 <br /> AR/MW-1 B 08/09/06 52 2.4 <0.80 <0.80 120 <80 -- <br /> AR/MW-1B 11/01/06 6.7 <2.0 <2.0 <2.0 72 <200 <br /> AR/MW-1B 01/31/07 20 2.2 <2.0 <2.0 110 <200 <br /> AR/MW-1 B 05/03/07 56 2.8 <0.50 <0.50 510 <50 -- <br /> AR/MW-1B 07/31/07 28 2.2 <0.50 <0.50 410 <80 <50 <br /> AR/MW-1B 10/31/07 30 2.0 <0.50 <0.50 590 <100 <50 <br /> AR/MW-1 B 02/06/08 36 2.9 <0.50 <0.50 540 <200 <50 <br /> AR/MW-1 B 05/08/08 52 2.7 <0.50 <0.50 960 <50 <50 <br /> AR/MW-1 B 08/06/08 25 2.3 <0.50 <0.50 470 <80 <50 <br /> AR/MW-1B 11/07/08 18 1.7 <0.50 <0.50 540 <100 <200 <br /> AR/MW-1B 02/04/09 48 2.3 <0.50 <0.50 1,000 <80 <50 <br /> AR/MW-1B 05/07/09 88 2.8 <0.50 <0.50 1,600 <80 <50 <br /> 1 Q10 STTC gwtables.xlsx Page 2 of 77 <br />