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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-12C 11/30/05 <0.90 <0.50 <0.50 <0.50 19 <50 <5.0 <br /> AR/MW-12C 02/09/06 0.76 <0.50 <0.50 <0.50 20 <50 -- <br /> AR/MW-12C 05/08/06 5.3 <0.50 <0.50 <0.50 17 <50 <br /> AR/MW-12C 08/08/06 5.8 <0.50 <0.50 <0.50 20 -- <br /> AR/MW-12C 11/01/06 1.8 <0.50 <0.50 <0.50 16 <br /> AR/MW-12C 01/31/07 1.1 -- -- -- 17 <br /> AR/MW-12C 05/03/07 1.0 -- -- -- 25 -- -- <br /> AR/MW-12C 07/31/07 4.8 <0.90 <0.90 <0.90 19 <90 <50 <br /> AR/MW-12C 10/31/07 <0.90 <0.90 <0.90 <0.90 24 <90 <50 <br /> AR/MW-12C 02/06/08 <0.90 <0.90 <0.90 <0.90 19 <90 <50 <br /> AR/MW-12C 05/07/08 <0.90 <0.90 <0.90 <0.90 22 <90 <50 <br /> AR/MW-12C 08/06/08 1.8 <0.90 <0.90 <0.90 17 <90 <50 <br /> AR/MW-12C 11/07/08 <0.90 <0.90 <0.90 <0.90 17 <90 <50 <br /> AR/MW-12C 02/04/09 <0.90 <0.90 <0.90 <0.90 21 <90 <50 <br /> AR/MW-12C 05/06/09 <0.90 <0.90 <0.90 <0.90 22 <90 <50 <br /> AR/MW-12C 08/04/09 0.96 <0.90 <0.90 <0.90 19 -- -- <br /> AR/MW-12C 11/04/09 <0.90 <0.90 <0.90 <0.90 19 <br /> AR/MW-12C 02/05/10 <0.90 <0.90 <0.90 <0.90 22 -- -- <br /> AR/MW-1 3A <br /> -AR/MW-13A 05/25/04 1,100 <25 <25 <25 <250 <2,500 <250 <br /> AR/MW-13A 08/19/04 1,800 <25 <25 <25 <250 <2,500 <250 <br /> AR/MW-13A 11/18/04 1,500 <25 <25 <25 <150 <2,500 <250 <br /> AR/MW-13A 02/14/05 -- -- -- -- -- -- -- Well Flooded <br /> AR/MW-13A 05/20/05 310 <25 <25 <25 <150 <2,500 <250 <br /> AR/MW-13A 08/31/05 310 <20 <20 <20 <90 <2,000 <200 <br /> AR/MW-13A 11/29/05 620 <20 <20 <20 <90 <2,000 <200 <br /> AR/MW-13A 02/06/06 -- -- -- -- -- -- -- Well Flooded <br /> AR/MW-13A 05/08/06 220 <15 <15 <15 <70 <1,500 <150 <br /> AR/MW-13A 08/08/06 210 <9.0 <9.0 <9.0 130 <900 <90 <br /> AR/MW-13A 10/30/06 140 <5.0 <5.0 <5.0 52 <500 <50 <br /> AR/MW-13A 01/30/07 340 <5.0 <5.0 <5.0 63 <800 <50 <br /> AR/MW-13A 05/03/07 380 <15 <15 <15 <70 <1,500 <150 <br /> AR/MW-13A 07/30/07 -- -- -- -- -- -- -- Not sampled due to SPH <br /> AR/MW-13A 11/01/07 520 <15 <15 <15 110 <1,500 <150 <br /> AR/MW-13A 02/04/08 -- -- -- -- -- -- -- Well Flooded <br /> AR/MW-13A 05/09/08 340 <15 <15 <15 <70 <1,500 <150 <br /> AR/MW-13A 08/07/08 360 <15 <15 <15 <70 <1,500 <150 <br /> AR/MW-13A 11/06/08 560 <15 <15 <15 1,100 <1,500 <1,000 <br /> 1 Q10 STTC gwtables.xlsx Page 21 of 77 <br />