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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-5A 08/02/02 45,000 <100 <100 820 2,200 <20,000 <1,000
<br /> AR/MW-5A 10/28/02 -- -- -- -- -- -- -- SA(1,3)
<br /> AR/MW-5A 02/27/03 6,200 <10 <10 87 940 <1,000 <100
<br /> AR/MW-5A 06/11/03 14,000 <25 <25 210 2,700 <2,500 <250
<br /> AR/MW-5A 08/14/03 13,000 <50 <50 170 2,700 <5,000 <500
<br /> AR/MW-5A 11/13/03 10,000 <25 <25 150 2,900 <2,500 <250
<br /> AR/MW-5A 02/24/04 -- -- -- -- -- -- -- Well Flooded
<br /> AR/MW-5A 05/20/04 -- -- -- -- -- -- --
<br /> AR/MW-5A 08/17/04 5,300 <20 <20 36 1,100 <2,000 <200
<br /> AR/MW-5A 11/18/04 4,400 <7.0 <7.0 38 1,100 <700 <70
<br /> AR/MW-5A 02/14/05 -- -- -- -- -- -- -- Well Flooded
<br /> AR/MW-5A 05/20/05 2,300 <5.0 <5.0 19 420 <8,000 <50
<br /> AR/MW-5A 09/01/05 1,400 <2.5 <2.5 7.9 360 <250 <25
<br /> AR/MW-5A 11/29/05 6,400 <2.5 <2.5 63 2,000 <2,000 <25
<br /> AR/MW-5A 02/06/06 -- -- -- -- -- -- -- Well Flooded
<br /> AR/MW-5A 05/09/06 950 <2.0 <2.0 6.2 260 <200 <50
<br /> AR/MW-5A 08/08/06 1,500 <2.0 <2.0 12 620 <200 <50
<br /> AR/MW-5A 10/31/06 1,300 <2.5 <2.5 12 890 <6,000 <50
<br /> AR/MW-5A 01/30/07 3,000 <2.5 <2.5 32 1,400 <1,000 --
<br /> AR/MW-5A 05/03/07 1,700 <4.0 <4.0 15 1,100 <400 --
<br /> AR/MW-5A 08/01/07 3,600 <4.0 <4.0 42 780 <6,000 <50
<br /> AR/MW-5A 10/31/07 14,000 <9.0 <9.0 150 2,300 <10,000 <90
<br /> AR/MW-5A 02/04/08 -- -- -- -- -- -- -- Well Flooded
<br /> AR/MW-5A 05/09/08 1,900 <4.0 <4.0 24 460 <400 <50
<br /> AR/MW-5A 08/07/08 2,100 <4.0 <4.0 26 600 <800 <50
<br /> AR/MW-5A 3 11/07/08 2,500 <5.0 <5.0 26 5,600 <500 6,900
<br /> AR/MW-5A 02/06/09 8,000 <9.0 <9.0 100 2,200 <4,000 <150
<br /> AR/MW-5A 05/08/09 2,200 <6.0 <6.0 31 1,500 <1,500 <60
<br /> AR/MW-5A 08/07/09 8,300 <9.0 <9.0 99 2,200 <2,000 <200
<br /> AR/MW-5A 11/06/09 9,100 <20 <20 90 1,900 <2,000 <200
<br /> AR/MW-5A 02/04/10 4,000 <9.0 <9.0 41 1,300 <2,000 ' <90 -- --
<br /> AR/MW-5B 02/14/01 6.6 <1.0 <1.0 <1.0 <5.0 -- --
<br /> AR/MW-5B 05/07/01 15 <1.0 <1.0 <1.0 <5.0
<br /> AR/MW-5B 08/22/01 2.9 <1.0 <1.0 <1.0 6.7
<br /> AR/MW-5B 10/31/01 2.4 <1.0 <1.0 <1.0 <5.0
<br /> AR/MW-5B 02/05/02 9.7 <5.0 <5.0 <5.0 <10 -- -- -- --
<br /> AR/MW-5B 05/02/02 3.0 0.72 <0.50 <0.50 6.5 <100 <50 <0.50 <0.50
<br /> 1 Q10 STTC gwtables.xlsx Page 4 of 77
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