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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) (lag/L) (pg/L) (lag/L) (lag/L) (lag/L) (pg/L) (pg/L) Comments <br /> TO/MW-1 08/29/05 -- -- -- -- -- -- -- SPH Sheen observed <br /> TO/MW-1 11/28/05 <2.5 <2.5 <2.5 <2.5 <15 <250 <25 <br /> TO/MW-1 02/08/06 -- -- -- -- -- -- -- Well Flooded <br /> TO/MW-1 05/08/06 -- -- -- -- -- -- -- Well Flooded <br /> TO/MW-1 08/08/06 <10 <10 <10 <10 <50 <1,000 <100 <br /> TO/MW-1 11/02/06 <9.0 <9.0 <9.0 <9.0 <50 <900 <90 <br /> TO/MW-1 01/31/07 <9.0 <9.0 <9.0 <9.0 <50 <900 <90 <br /> TO/MW-1 05/02/07 <9.0 <9.0 <9.0 <9.0 <50 <900 <90 <br /> T0/MW-1 08/01/07 <9.0 <9.0 <9.0 <9.0 <50 <900 <90 <br /> TO/MW-1 11/02/07 <15 <15 <15 <15 <70 <1,500 <150 <br /> TO/MW-1 02/04/08 -- -- -- -- -- -- -- Well Flooded <br /> TO/MW-1 05/09/08 <9.0 <9.0 <9.0 <9.0 <50 <900 <90 <br /> TO/MW-1 08/04/08 -- -- -- -- -- -- -- Not sampled due to SPH <br /> T0/MW-1 11/06/08 <15 <15 <15 <15 <70 <1,500 <150 <br /> TO/MW-1 02/03/09 <15 <15 <15 <15 <70 <1,500 <150 <br /> TO/MW-1 05/06/09 <9.0 <9.0 <9.0 <9.0 <50 <900 <90 <br /> TO/MW-1 08/04/09 <9.0 <9.0 <9.0 <9.0 <50 <900 <90 <br /> TO/MW-1 11/02/09 -- -- -- -- -- -- -- Well Inaccessible <br /> TO/MW-1 11/23/09 <8.0 <8.0 <8.0 <8.0 <40 <800 <80 <br /> TO/MW-1 02/01/10 -- -- -- -- -- -- -- -- -- Well Flooded <br /> TO/T-1 02/15/01 13,000 <170 <170 <170 <850 <br /> TO/T-1 05/10/01 3,200 <50 <50 <50 <250 <br /> TO/T-1 08/29/01 6,100 <100 <100 <100 <500 <br /> TO/T-1 11/05/01 24,000 <500 <500 <500 <2,500 <br /> TO/T-1 02/07/02 1,300 <100 <100 <100 <200 -- -- -- -- <br /> TO/T-1 05/03/02 1,200 <10 <10 <10 <100 <1,000 <1,000 69 <10 <br /> TO/T-1 07/31/02 2,900 <50 <50 <50 <500 <5,000 <500 -- -- <br /> TO/T-1 10/31/02 6,400 <25 <25 <25 <250 <2,500 <250 <br /> TO/T-1 02/26/03 1,800 <10 <10 <10 <100 <1,000 <100 <br /> TO/T-1 05/28/03 2,400 <25 <25 <25 <250 <2,500 <250 <br /> TO/T-1 08/06/03 2,700 <25 <25 <25 <250 <2,500 <250 <br /> TO/T-1 11/07/03 14,000 <50 <50 <50 <500 <5,000 <500 <br /> TO/T-1 03/04/04 2,700 <10 <10 <10 <100 <1,000 <100 <br /> TO/T-1 05/26/04 2,200 <20 <20 <20 <200 <2,000 <200 <br /> TO/T-1 08/20/04 3,800 <20 <20 <20 <200 <2,000 <200 <br /> TO/T-1 11/17/04 1,100 <5.0 <5.0 <5.0 <50 <500 <50 <br /> TO/T-1 02/18/05 3,700 <5.0 <5.0 <5.0 67 J <500 <50 <br /> 1 Q10 STTC gwtables.xlsx Page 50 of 77 <br />