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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-5B 08/01/02 2.7 0.71 <0.50 <0.50 6.2 <50 <5.0 <br /> AR/MW-5B 10/31/02 3.1 0.88 <0.50 <0.50 7.1 <50 <5.0 <br /> AR/MW-5B 02/26/03 5.7 0.84 <0.50 <0.50 6.3 <50 <5.0 <br /> AR/MW-5B 05/29/03 4.2 0.99 <0.50 <0.50 6.9 <50 <5.0 <br /> AR/MW-5B 08/08/03 4.3 0.84 <0.50 <0.50 6.4 <50 <5.0 <br /> AR/MW-5B 11/15/03 2.8 0.76 <0.50 <0.50 6.0 <50 <5.0 <br /> AR/MW-5B 02/24/04 -- -- -- -- -- -- -- Well Flooded <br /> AR/MW-5B 05/20/04 4.3 0.90 <0.50 <0.50 6.8 <50 <5.0 <br /> AR/MW-5B z 08/17/04 6.8 0.70 <0.50 <0.50 7.3 <50 <5.0 <br /> AR/MW-5B 11/18/04 4.1 0.81 <0.50 <0.50 6.6 <50 <5.0 <br /> AR/MW-5B 02/14/05 -- -- -- -- -- -- -- Well Flooded <br /> AR/MW-5B 05/19/05 6.2 0.82 <0.50 <0.50 5.8 <50 <5.0 <br /> AR/MW-5B 08/31/05 5.7 0.67 <0.50 <0.50 6.7 <50 8.2 <br /> AR/MW-5B 11/29/05 16 0.62 <0.50 <0.50 <5.0 <50 <5.0 <br /> AR/MW-5B 02/06/06 -- -- -- -- -- -- -- Well Flooded <br /> AR/MW-5B 05/09/06 5.4 0.73 <0.50 <0.50 6.0 <50 <50 <br /> AR/MW-5B 08/08/06 9.0 0.79 <0.50 <0.50 7.0 <50 <50 <br /> AR/MW-5B 10/31/06 9.9 0.96 <0.50 <0.50 8.9 <100 <50 <br /> AR/MW-5B 01/29/07 7.2 0.78 -- -- 6.4 -- -- <br /> AR/MW-5B 05/01/07 6.6 0.95 -- -- 7.2 -- -- <br /> AR/MW-5B 08/01/07 7.3 0.95 <0.50 <0.50 7.6 <50 <50 <br /> AR/MW-5B 10/30/07 11 0.58 <0.50 <0.50 6.8 <80 <50 <br /> AR/MW-5B 02/04/08 -- -- -- -- -- -- -- Well Flooded <br /> AR/MW-5B 2 05/07/08 8.8 0.92 <0.50 <0.50 9.5 <50 <50 <br /> AR/MW-5B 08/05/08 15 0.77 <0.50 <0.50 7.4 -- -- <br /> AR/MW-5B 3 11/05/08 4.0 <0.50 <0.50 <0.50 9,400 -- -- <br /> AR/MW-5B 02/06/09 18 0.92 <0.50 <0.50 44 <200 <50 <br /> AR/MW-5B 05/06/09 65 0.56 <0.50 <0.50 190 <80 <50 <br /> AR/MW-5B 08/05/09 46 0.81 <0.50 <0.50 630 <90 920 <br /> AR/MW-5B 11/06/09 37 0.59 -- -- 840 <100 <50 <br /> AR/MW-5B 02/02/10 56 0.72 -- -- 890 <200 ' <50 -- -- <br /> AR/MW-5C 02/14/01 100 <2 <2 <2 <10 -- -- <br /> AR/MW-5C 05/07/01 3.5 <1.0 <1.0 <1.0 <5.0 <br /> AR/MW-5C 08/22/01 5.9 <1.0 <1.0 <1.0 5.6 <br /> AR/MW-5C 10/30/01 4.7 <1.0 <1.0 <1.0 <5.0 <br /> AR/MW-5C 02/05/02 <2.0 <5.0 <5.0 <5.0 <10 -- -- -- -- <br /> AR/MW-5C 05/02/02 2.0 0.91 <0.50 <0.50 5.1 <100 <50 0.51 <0.50 <br /> 1 Q10 STTC gwtables.xlsx Page 5 of 77 <br />