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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/M-2 02/05/09 <4.0 <4.0 <4.0 <4.0 <20 <400 <50 <br /> TS/M-2 ° 05/08/09 <1.5 <1.5 <1.5 <1.5 8.4 <150 <80 <br /> TS/M-2 08/07/09 6.3 <5.0 <5.0 <5.0 <50 <500 <50 <br /> TS/M-2 11/03/09 8.0 <7.0 <7.0 <7.0 44 <700 <70 <br /> TS/M-2 02/03/10 14 <9.0 <9.0 <9.0 <50 <900 <900 -- - <br /> TS/M-2 03/23/10 10 <9.0 <9.0 <9.0 <50 <900 <100 -- <br /> TS/MW-1A 02/16/01 4,600 <75 <75 <75 <375 -- -- <br /> TS/MW-1A 05/11/01 4,300 <100 <100 <100 <500 <br /> TS/MW-1A 08/29/01 3,600 <50 <50 <50 660 <br /> TS/MW-1A 11/06/01 5,600 <250 <250 <250 <1,300 <br /> TS/MW-1A 02/08/02 3,400 <500 <500 <500 <1,000 -- -- <br /> TS/MW-1A 05/02/02 3,700 <25 <25 29 530 <1,000 <2,500 <25 <25 <br /> TS/MW-1A 07/30/02 5,900 <10 <10 36 550 <1,000 <100 -- -- <br /> TS/MW-1A 10/30/02 2,700 <10 <10 24 480 <3,800 <100 <br /> TS/MW-1A 02/25/03 1,500 <5.0 <5.0 15 260 <600 <50 <br /> TS/MW-1A 05/28/03 1,900 <2.5 <2.5 15 210 <250 <25 <br /> TS/MW-1A 08/05/03 2,500 <5.0 <5.0 19 200 <500 <50 <br /> TS/MW-1A 11/04/03 2,900 <5.0 <5.0 18 290 <500 <50 <br /> TS/MW-1A 02/27/04 1,100 <5.0 <5.0 8.2 880 <500 <50 <br /> TS/MW-1A 05/24/04 480 <5.0 <5.0 5.8 990 <500 <50 <br /> TS/MW-1A 08/19/04 620 <5.0 <5.0 5.4 2,200 <500 <50 <br /> TS/MW-1A 11/19/04 710 <5.0 <5.0 8.0 1,600 <800 <50 <br /> TS/MW-1A 02/17/05 54 <0.50 <0.50 <0.50 50 <50 <5.0 <br /> TS/MW-1A 05/18/05 34 <0.50 <0.50 <0.50 23 <50 <5.0 <br /> TS/MW-1A 09/02/05 350 <0.90 <0.90 2.5 350 <90 <9.0 <br /> TS/MW-1A 12/22/05 130 <0.50 <0.50 0.91 130 <50 <5.0 <br /> TS/MW-1A 02/07/06 23 <0.50 <0.50 <0.50 28 -- -- <br /> TS/MW-1A 05/09/06 32 <0.50 <0.50 <0.50 34 ---- <br /> TS/MW-1A 08/08/06 100 <0.50 <0.50 0.86 74 <br /> TS/MW-1A 11/01/06 48 <0.50 <0.50 <0.50 60 <br /> TS/MW-1A 01/30/07 33 -- -- <0.50 45 <br /> TS/MW-1A 05/01/07 30 -- -- <0.50 42 -- -- <br /> TS/MW-1A 08/02/07 45 <0.50 <0.50 <0.50 66 <80 <50 <br /> TS/MW-1A 11/01/07 31 <0.50 <0.50 <0.50 46 <50 <50 <br /> TS/MW-1A 02/06/08 10 <0.50 <0.50 <0.50 19 <50 <50 <br /> TS/MW-1A 05/08/08 6.0 <0.50 <0.50 <0.50 15 <50 <50 <br /> TS/MW-1A 08/07/08 3.4 <0.50 <0.50 <0.50 6.8 -- -- <br /> 1Q10 STTC gwtables.xlsx Page 71 of 77 <br />