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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 /> TS/MW-1B 05/07/09 38 <0.50 <0.50 <0.50 120 <50 <50 <br /> TS/MW-1B 08/06/09 54 <0.50 <0.50 <0.50 170 <50 <50 <br /> TS/MW-1B 11/05/09 38 -- -- -- 87 -- -- <br /> TS/MW-1B 02/02/10 15 - 48 -- -- -- - <br /> TS/MW-1C 08/29/01 <1.0 <1.0 <1.0 <1.0 <5.0 <br /> TS/MW-1C 11/06/01 <1.0 <1.0 <1.0 <1.0 <5.0 <br /> TS/MW-1C 02/12/02 6.3 <5.0 <5.0 <5.0 200 -- -- -- -- <br /> TS/MW-1C 05/02/02 52 <50 <50 <50 <500 <100 <5,000 340 <50 <br /> TS/MW-1C 07/30/02 53 <50 <50 <50 500 <5,000 <500 -- -- <br /> TS/MW-1C 10/30/02 <25 <25 <25 <25 320 <2,500 <250 <br /> TS/MW-1C 02/25/03 31 <20 <20 <20 <200 <2,000 <200 <br /> TS/MW-1C 05/28/03 64 <50 <50 <50 <500 <5,000 <500 <br /> TS/MW-1C 08/05/03 110 <50 <50 <50 <500 <5,000 <500 <br /> TS/MW-1C 11/06/03 44 <25 <25 <25 430 <2,500 <250 <br /> TS/MW-1C 02/27/04 110 <25 <25 <25 440 <2,500 <250 <br /> TS/MW-1C 05/24/04 55 <25 <25 <25 430 <2,500 <250 <br /> TS/MW-1C 08/18/04 98 <20 <20 <20 420 <2,000 <200 <br /> TS/MW-1C 11/19/04 7.1 <0.50 <0.50 <0.50 55 <50 <5.0 <br /> TS/MW-1C 02/17/05 0.53 <0.50 <0.50 <0.50 <5.0 <50 <5.0 <br /> TS/MW-1C 05/17/05 <0.50 <0.50 <0.50 <0.50 <5.0 <50 <5.0 <br /> TS/MW-1C 09/02/05 73 <2.0 <2.0 <2.0 98 <200 <20 <br /> TS/MW-1C 12/22/05 330 <15 <15 <15 430 <1,500 <150 <br /> TS/MW-1C 02/07/06 <0.50 <0.50 <0.50 <0.50 <5.0 -- -- <br /> TS/MW-1C 05/09/06 16 <0.50 <0.50 <0.50 19 <br /> TS/MW-1C 08/07/06 66 <2.5 <2.5 <2.5 130 <br /> TS/MW-1C 11/01/06 120 <2.5 <2.5 <2.5 200 <br /> TS/MW-1C 01/30/07 71 <0.70 <0.70 <0.70 28 <br /> TS/MW-1C 05/01/07 200 <2.5 <2.5 <2.5 400 -- -- <br /> TS/MW-1C 08/02/07 180 <1.0 <1.0 <1.0 340 <250 <50 <br /> TS/MW-1C 10/31/07 140 <1.5 <1.5 <1.5 190 <300 <50 <br /> TS/MW-1C 02/06/08 170 <1.5 <1.5 <1.5 400 <150 <50 <br /> TS/MW-1C 05/07/08 130 0.54 <0.50 <0.50 450 <80 <50 <br /> TS/MW-1C 08/07/08 140 <0.50 <0.50 <0.50 410 <100 <50 <br /> TS/MW-1C 2 11/07/08 140 <0.50 <0.50 <0.50 290 <50 <50 <br /> TS/MW-1C 02/04/09 120 <0.50 <0.50 <0.50 450 <150 <50 <br /> TS/MW-1C 05/07/09 61 <0.50 <0.50 <0.50 440 <50 <50 <br /> TS/MW-1C 08/07/09 100 <0.50 <0.50 <0.50 500 <50 <50 <br /> 1Q10 STTC gwtables.xlsx Page 73 of 77 <br />