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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-13C 02/05/09 <0.90 <0.90 <0.90 <0.90 2,000 <300 <50 <br /> AR/MW-13C 05/07/09 <0.50 <0.50 <0.50 <0.50 1,700 <50 <50 <br /> AR/MW-13C 08/06/09 <0.50 <0.50 <0.50 <0.50 1,400 -- -- <br /> AR/MW-13C 11/06/09 <0.50 <0.50 <0.50 <0.50 1,000 <br /> AR/MW-13C 02/02/10 <0.50 <0.50 <0.50 <0.50 <5.0 -- -- -- - <br /> AR/MW-14B 02/15/01 5.1 <1.0 <1.0 <1.0 <5.0 <br /> AR/MW-14B 05/09/01 24 <1.0 <1.0 <1.0 37 <br /> AR/MW-146 08/22/01 27 <2.5 <2.5 <2.5 51 <br /> AR/MW-14B 10/30/01 22 <5.0 <5.0 <5.0 <25 <br /> AR/MW-14B 02/05/02 26 <5.0 <5.0 <5.0 67 -- -- -- -- <br /> AR/MW-14B 05/03/02 63 <5.0 <5.0 <5.0 54 <100 <500 5.7 <5.0 <br /> AR/MW-14B 08/02/02 87 <10 <10 <10 <100 <1,000 <100 -- -- <br /> AR/MW-14B 10/30/02 140 0.52 <0.50 0.82 230 <50 <5.0 <br /> AR/MW-14B 02/26/03 160 <5.0 <5.0 <5.0 64 <500 <50 <br /> AR/MW-14B 06/10/03 110 <1.5 <1.5 <1.5 20 <200 <20 <br /> AR/MW-14B 08/12/03 130 <1.5 <1.5 <1.5 21 <200 <20 <br /> AR/MW-14B 11/12/03 28 <0.50 <0.50 <0.50 <5.0 <50 <5.0 <br /> AR/MW-146 03/02/04 8.3 <0.50 <0.50 <0.50 <5.0 <50 <5.0 <br /> AR/MW-14B 05/24/04 100 <0.50 <0.50 0.96 <5.0 <50 <5.0 <br /> AR/MW-14B 08/20/04 320 0.55 <0.50 1.1 130 <50 <5.0 <br /> AR/MW-14B 11/18/04 170 <0.50 <0.50 1.2 18 <50 <5.0 <br /> AR/MW-14B 02/17/05 620 <5.0 <5.0 <5.0 180 <500 <50 <br /> AR/MW-146 05/19/05 670 <5.0 <5.0 <5.0 150 <1,000 <50 <br /> AR/MW-14B 08/31/05 620 <4.0 <4.0 <4.0 150 <400 <40 <br /> AR/MW-14B 11/29/05 720 <2.5 <2.5 5.6 95 <250 <25 <br /> AR/MW-14B 02/08/06 1,100 <5.0 <5.0 <5.0 880 <500 <50 <br /> AR/MW-14B 05/08/06 1,200 <9.0 <9.0 <9.0 240 <900 <90 <br /> AR/MW-146 08/08/06 1,100 <7.0 <7.0 <7.0 190 <700 <70 <br /> AR/MW-14B 11/01/06 1,200 <7.0 <7.0 <7.0 270 <900 <70 <br /> AR/MW-14B 01/31/07 780 <1.5 <1.5 4.2 86 <150 <50 <br /> AR/MW-14B 05/03/07 1300 <2.5 <2.5 7.5 220 <250 <50 <br /> AR/MW-14B 07/31/07 870 <2.5 <2.5 5.0 140 <800 <50 <br /> AR/MW-146 10/31/07 540 <0.50 <0.50 2.6 88 <1,000 <50 <br /> AR/MW-14B 02/06/08 1,100 <1.5 <1.5 4.5 220 <4,000 <50 <br /> AR/MW-14B 2 05/08/08 2,200 <2.5 <2.5 9.9 440 <1,500 <50 <br /> AR/MW-14B 08/07/08 2,200 <7.0 <7.0 11 360 <700 <70 <br /> AR/MW-14B 11/07/08 3,100 <7.0 <7.0 13 480 <1,000 <70 <br /> 1 Q10 STTC gwtables.xlsx Page 23 of 77 <br />