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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-50 11/29/05 56,000 <50 <50 560 4,100 <10,000 <500
<br /> AR/MW-50 02/09/06 40,000 <80 <80 380 3,600 <8,000 <800
<br /> AR/MW-50 05/12/06 26,000 <25 <25 240 4,500 <2,500 <250
<br /> AR/MW-50 08/08/06 18,000 <25 <25 160 2,800 <3,000 <250
<br /> AR/MW-50 10/31/06 18,000 <2.5 <2.5 210 2,600 <10,000 <50
<br /> AR/MW-50 01/30/07 29,000 <70 <70 330 3,500 <18,000 <700
<br /> AR/MW-50 05/02/07 28,000 <50 <50 310 3,000 <5,000 <500
<br /> AR/MW-50 08/01/07 24,000 <50 <50 280 3,800 <20,000 <500
<br /> AR/MW-50 11/01/07 27,000 <50 <50 340 2,800 <5,000 <500
<br /> AR/MW-50 02/04/08 -- -- -- -- -- -- -- Well Flooded
<br /> AR/MW-50 05/09/08 11,000 <20 <20 200 1,900 <6,000 <250
<br /> AR/MW-50 08/07/08 7,300 <15 <15 100 1,500 <5,000 <150
<br /> AR/MW-50 08/26/08 8,500 -- -- -- 1,300 -- --
<br /> AR/MW-50 11/06/08 16,000 <15 <15 180 2,200 <4,000 <150
<br /> AR/MW-50 02/06/09 22,000 <25 <25 200 3,200 <12,000 <250
<br /> AR/MW-50 05/08/09 10,000 <20 <20 140 2,500 <5,000 <200
<br /> AR/MW-50 08/07/09 16,000 <15 <15 160 3,700 <4,000 <150
<br /> AR/MW-50 11/06/09 13,000 <30 <30 120 4,000 <10,000 <300
<br /> AR/MW-50 02/04/10 9,700 <20 <20 91 7,800 <4,000 ' <200 - --
<br /> AR/MW-6AR 05/10/02 <25 <25 <25 <25 <250 <50,000 <2,500 32 <25
<br /> AR/MW-6AR 08/02/02 32 <5.0 <5.0 <5.0 <50 <500 <60
<br /> AR/MW-6AR 10/31/02 6.7 <2.0 <2.0 <2.0 <20 <200 <20
<br /> AR/MW-6AR 02/27/03 46 <10 <10 <10 <100 <1,000 <100
<br /> AR/MW-6AR 06/11/03 43 <10 <10 <10 <100 <1,000 <100
<br /> AR/MW-6AR 08/14/03 34 <10 <10 <10 <100 <1,000 <100
<br /> AR/MW-6AR 11/18/03 58 <20 <20 <20 <200 <2,000 <200
<br /> AR/MW-6AR 03/02/04 30 <10 <10 <10 <100 <1,000 <100
<br /> AR/MW-6AR 05/25/04 51 <5.0 <5.0 <5.0 <50 <500 <50
<br /> AR/MW-6AR 08/20/04 31 <5.0 <5.0 <5.0 <50 <500 <50
<br /> AR/MW-6AR 11/18/04 54 <5.0 <5.0 <5.0 31 <500 <50
<br /> AR/MW-6AR 02/18/05 41 <5.0 <5.0 <5.0 <50 <500 <50
<br /> AR/MW-6AR 05/19/05 41 <5.0 <5.0 <5.0 <25 <500 <50
<br /> AR/MW-6AR 09/01/05 12 <2.0 <2.0 <2.0 16 <200 <20
<br /> AR/MW-6AR 11/29/05 8.8 <0.90 <0.90 <0.90 12 <90 <9.0
<br /> AR/MW-6AR 02/09/06 27 <2.0 <2.0 <2.0 <9.0 <200 --
<br /> AR/MW-6AR 05/09/06 36 <5.0 <5.0 <5.0 32 <500 ----
<br /> AR/MW-6AR 08/08/06 32 <2.5 <2.5 <2.5 <15 <250
<br /> 1 Q10 STTC gwtables.xlsx Page 7 of 77
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