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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-5C 08/01/02 13 0.69 <0.50 <0.50 6.1 130 <5.0 <br /> AR/MW-5C 10/31/02 9.2 0.95 <0.50 <0.50 6.0 <50 <5.0 <br /> AR/MW-5C 02/26/03 1.9 0.80 <0.50 <0.50 5.9 <50 <5.0 <br /> AR/MW-5C 05/29/03 3.1 1.1 <0.50 <0.50 5.6 <50 <5.0 <br /> AR/MW-5C 08/08/03 380 1.0 <0.50 <0.50 14 J <100 <5.0 <br /> AR/MW-5C 11/15/03 6.3 0.91 <0.50 <0.50 <5.0 <50 <5.0 <br /> AR/MW-5C 02/24/04 -- -- -- -- -- -- -- Well Flooded <br /> AR/MW-5C 05/20/04 59 0.93 <0.50 <0.50 5.5 <50 <5.0 <br /> AR/MW-5C 08/18/04 130 0.86 <0.50 <0.50 9.1 <50 <5.0 <br /> AR/MW-5C 11/18/04 6.6 0.86 <0.50 <0.50 5.2 <50 <5.0 <br /> AR/MW-5C 02/14/05 -- -- -- -- -- -- -- Well Flooded <br /> AR/MW-5C 05/18/05 4.0 0.96 <0.50 <0.50 5.7 <50 <5.0 <br /> AR/MW-5C 08/31/05 48 0.78 <0.50 <0.50 7.5 <50 <5.0 <br /> AR/MW-5C 11/29/05 220 0.71 <0.50 <0.50 7.2 J <80 <5.0 <br /> AR/MW-5C 02/06/06 -- -- -- -- -- -- -- Well Flooded <br /> AR/MW-5C 05/09/06 230 <0.50 <0.50 0.56 9 J <50 <50 <br /> AR/MW-5C 08/08/06 17 0.94 <0.50 <0.50 6.2 60 <50 <br /> AR/MW-5C 10/31/06 160 0.84 <0.50 <0.50 13 <200 <50 <br /> AR/MW-5C 01/30/07 98 0.55 -- <0.50 <5.0 -- -- <br /> AR/MW-5C 05/02/07 8.8 0.96 <0.50 -- 5.1 -- -- <br /> AR/MW-5C 08/02/07 12 1.1 <0.50 <0.50 5.7 <50 <50 <br /> AR/MW-5C 10/31/07 2 0.8 <0.50 <0.50 <5.0 <50 <50 <br /> AR/MW-5C 02/04/08 -- -- -- -- -- -- -- Well Flooded <br /> AR/MW-5C 05/06/08 26 <0.50 <0.50 <0.50 <5.0 <50 <50 <br /> AR/MW-5C 08/06/08 600 <0.50 <0.50 1.5 34 -- -- <br /> AR/MW-5C s 11/07/08 63 <1.0 <1.0 <1.0 4,900 -- -- <br /> AR/MW-5C 02/06/09 170 <0.50 <0.50 0.68 880 <200 <50 <br /> AR/MW-5C 05/06/09 42 0.76 <0.50 <0.50 7.3 <80 <50 <br /> AR/MW-5C 08/05/09 27 <1.0 <1.0 <1.0 110 <100 1,300 <br /> AR/MW-5C 11/06/09 12 0.82 <0.50 <0.50 7.4 <50 <50 <br /> AR/MW-5C 02/03/10 3.4 0.93 <0.50 <0.50 5.5 <50 <50 -- -- <br /> AR/MW-50 05/20/04 32,000 -- -- -- 3,900 -- -- <br /> AR/MW-50 08/19/04 40,000 <100 <100 450 4,900 <10,000 <1,000 <br /> AR/MW-50 11/18/04 65,000 <90 <90 660 5,900 <50,000 <900 <br /> AR/MW-50 02/18/05 26,000 <70 <70 290 3,300 <7,000 <700 <br /> AR/MW-50 05/20/05 12,000 <25 <25 150 1,600 <2,500 <250 <br /> AR/MW-50 09/02/05 29,000 <25 <25 280 2,900 <2,500 <250 <br /> 1 Q10 STTC gwtables.xlsx Page 6 of 77 <br />