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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-11A 05/18/05 6.5 <0.50 <0.50 <0.50 16 <50 <5.0 <br /> AR/MW-11A 08/31/05 11 <0.50 <0.50 <0.50 29 <50 <5.0 <br /> AR/MW-11A 12/22/05 <1.5 <1.5 <1.5 <1.5 9,000 <150 <200 <br /> AR/MW-11A 02/07/06 <4.0 <4.0 <4.0 <4.0 11,000 <400 <50 <br /> AR/MW-11A 05/08/06 3.3 <0.50 <0.50 <0.50 8,100 <50 <50 <br /> AR/MW-11A 08/08/06 4.0 <2.5 <2.5 <2.5 8,300 <250 <50 <br /> AR/MW-11A 10/31/06 7.8 <2.5 <2.5 <2.5 8,000 <250 -- <br /> AR/MW-11A 01/31/07 9.8 <2.0 <2.0 <2.0 3,500 <200 <br /> AR/MW-11A 05/03/07 1.8 <0.50 <0.50 <0.50 610 <50 -- <br /> AR/MW-11A 07/31/07 6.3 <0.50 <0.50 <0.50 1,800 <50 <50 <br /> AR/MW-11A 10/31/07 44 <0.50 <0.50 <0.50 1,700 <200 <50 <br /> AR/MW-11A 02/06/08 16 <0.50 <0.50 <0.50 340 <50 <50 <br /> AR/MW-11A 05/07/08 11 <0.50 <0.50 <0.50 540 <50 <50 <br /> AR/MW-11A 08/06/08 24 <0.50 <0.50 <0.50 990 -- -- <br /> AR/MW-11A 08/26/08 51 -- -- -- 800 <br /> AR/MW-11A 11/06/08 27 <0.50 <0.50 <0.50 8,500 -- -- <br /> AR/MW-11A 02/04/09 7.8 <0.50 <0.50 <0.50 1,200 <80 <50 <br /> AR/MW-11A 05/06/09 38 <0.50 <0.50 <0.50 1,900 <80 <50 <br /> AR/MW-11A 08/05/09 77 <0.50 <0.50 <0.50 1,700 -- -- <br /> AR/MW-11A 11/05/09 42 -- -- -- 670 <br /> AR/MW-11A 02/03/10 6.2 -- 120 -- -- -- - <br /> AR/MW-11B 02/14/01 220 <50 <50 <50 <250 <br /> AR/MW-116 05/09/01 180 <25 <25 <25 <125 <br /> AR/MW-11B 08/24/01 150 <5.0 <5.0 <5.0 300 <br /> AR/MW-11B 10/31/01 140 <5.0 <5.0 <5.0 210 <br /> AR/MW-11B 02/06/02 170 <5.0 <5.0 <5.0 370 -- -- -- -- <br /> AR/MW-11B 05/03/02 180 <120 <120 <120 <1,200 <100 <12,000 260 <120 <br /> AR/MW-11B 08/02/02 140 <50 <50 <50 <500 <5,000 <500 -- -- <br /> AR/MW-11B 10/31/02 130 <5.0 <5.0 <5.0 210 <500 <50 <br /> AR/MW-11B 02/27/03 120 <50 <50 <50 <500 <5,000 <500 <br /> AR/MW-11B 06/12/03 130 <20 <20 <20 240 <2,000 <200 <br /> AR/MW-11B 08/14/03 140 <25 <25 <25 <250 <2,500 <250 <br /> AR/MW-116 11/13/03 2.3 <0.50 <0.50 <0.50 <5.0 <50 <5.0 <br /> AR/MW-11B 03/02/04 0.67 <0.50 <0.50 <0.50 <5.0 <50 <5.0 <br /> AR/MW-11B 2 05/20/04 110 <25 <25 <25 <250 <2,500 <250 <br /> AR/MW-11B 08/20/04 110 <20 <20 <20 220 <2,000 <200 <br /> AR/MW-11B 11/19/04 120 <15 <15 <15 250 <1,500 <150 <br /> 1 Q10 STTC gwtables.xlsx Page 16 of 77 <br />