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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-13A 02/06/09 480 <15 <15 <15 870 <1,500 <150 <br /> AR/MW-13A 05/08/09 100 <15 <15 <15 860 <1,500 <150 <br /> AR/MW-13A 08/07/09 170 <15 <15 <15 1,000 <1,500 <150 <br /> AR/MW-13A 11/06/09 190 <15 <15 <15 960 <1,500 <150 <br /> AR/MW-13A 02/04/10 92 <15 <15 <15 590 <1,500 <150 -- - <br /> AR/MW-13C 02/14/01 <1.0 <1.0 <1.0 <1.0 <5.0 -- -- <br /> AR/MW-13C 05/07/01 <1.0 <1.0 <1.0 <1.0 <5.0 <br /> AR/MW-13C 08/22/01 <1.0 <1.0 <1.0 <1.0 <5.0 <br /> AR/MW-13C 10/30/01 <1.0 <1.0 <1.0 <1.0 6.2 <br /> AR/MW-13C 02/05/02 <2.0 <5.0 <5.0 <5.0 <10 -- -- -- -- <br /> AR/MW-13C 05/02/02 <0.50 <0.50 <0.50 <0.50 <5.0 <100 <50 <0.50 <0.50 <br /> AR/MW-13C 08/01/02 <0.50 <0.50 <0.50 <0.50 6.4 <50 <5.0 -- -- <br /> AR/MW-13C 10/31/02 <0.50 <0.50 <0.50 <0.50 8.9 <50 <5.0 <br /> AR/MW-13C 02/27/03 <0.50 <0.50 <0.50 <0.50 <5.0 <50 <5.0 <br /> AR/MW-13C 05/29/03 <2.0 <0.50 <0.50 <0.50 <5.0 <50 <5.0 <br /> AR/MW-13C 08/08/03 <0.50 <0.50 <0.50 <0.50 <5.0 <50 <5.0 <br /> AR/MW-13C 11/15/03 1.7 <0.50 <0.50 <0.50 <5.0 <50 <5.0 <br /> AR/MW-13C 02/24/04 -- -- -- -- -- -- -- Well Flooded <br /> AR/MW-13C 05/20/04 0.63 <br /> AR/MW-13C 08/23/04 <0.50 <br /> AR/MW-13C 11/17/04 <0.50 <br /> AR/MW-13C 02/14/05 - Well Flooded <br /> AR/MW-13C 05/18/05 8.0 <br /> AR/MW-13C 08/31/05 2.1 <br /> AR/MW-13C 11/29/05 <0.50 <br /> AR/MW-13C 02/08/06 1.3 <br /> AR/MW-13C 05/11/06 6.6 <br /> AR/MW-13C 08/08/06 <0.50 <br /> AR/MW-13C 10/31/06 <0.50 <br /> AR/MW-13C 01/30/07 <0.50 <br /> AR/MW-13C 05/02/07 <0.50 -- -- -- -- -- -- <br /> AR/MW-13C 07/31/07 <0.50 <0.50 <0.50 <0.50 <5.0 <50 <50 <br /> AR/MW-13C 10/30/07 <0.50 <0.50 <0.50 <0.50 <5.0 <50 <50 <br /> AR/MW-13C 02/04/08 -- -- -- -- -- -- -- Well Flooded <br /> AR/MW-13C 05/06/08 <0.50 <0.50 <0.50 <0.50 <5.0 <50 <50 <br /> AR/MW-13C 08/06/08 <0.50 <0.50 <0.50 <0.50 <5.0 -- -- <br /> AR/MW-13C 3 11/06/08 <2.0 <2.0 <2.0 <2.0 5,600 <br /> 1 Q10 STTC gwtables.xlsx Page 22 of 77 <br />