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Table 1
<br /> Recent Groundwater Analytical Data
<br /> Stockton Terminals Technical Committee
<br /> Port of Stockton
<br /> Stockton, California
<br /> Ethyl- Total MTBE TPH as TPH as
<br /> Sample Sampling Benzene Toluene Benzene Xylenes 8260 Gasoline Diesel MBAS Comments
<br /> Identification Date (Ng/L) (pg/L) (Ng/L) (Ng/L) (Ng/L) (Ng/L) (Ng/L) (Ng/L)
<br /> AR/MW-8C 05/07/08 110 <0.50 <0.50 <0.50 1.9 250 530 -
<br /> R/MW-8C 08/06/08 1,100 3.4 1.5 3.6 <2.5 2,200 590 -
<br /> R/MW-8C 11/07/08 4,400 12 5.3 13 <2.5 6,300 670 -
<br /> R/MW-8C 02/05/09 2,000 5.7 <4.0 4.4 <4.0 3,400 440 -
<br /> AR/MVV-9A 05/08/08 4,200 270 560 280 180 18,000 11,000 -
<br /> R/MW-9A 08/07/08 1,600 33 430 37 160 14,000 32,000 -
<br /> R/MW-9A 08/26/08 1,500 42 500 41 190 14,000 18,000 -
<br /> R/MW-9A 11/06/08 1,300 26 470 34 120 10,000 23,000 -
<br /> R/MW-9A 02/05/09 1,400 27 430 38 170 11,000 22,000 -
<br /> AR/MW-9B 05/07/08 19 <0.50 <0.50 <0.50 1.2 100 130 -
<br /> R/MW-9B 08/06/08 21 <0.50 <0.50 <0.50 0.69 100 140 -
<br /> R/MW-9B 11/05/08 89 0.72 <0.50 0.74 0.86 210 120 -
<br /> R/MW-9B 02/04/09 210 1.3 <0.50 1.5 1.2 430 140 -
<br /> AR/MW-10A 05/08/08 2,000 540 2,200 5,300 12 49,000 76,000 -
<br /> R/MW-10A 08/07/08 1,300 980 3,100 11,000 <15 70,000 180,000 -
<br /> R/MW-10A 08/26/08 560 510 3,800 18,000 <400 44,000 47,000 -
<br /> R/MW-10A 11/06/08 850 780 2,900 12,000 <15 120,000 110,000 -
<br /> R/MW-10A 02/06/09 480 690 2,800 12,000 <15 54,000 220,000 -
<br /> R/MW-11A 05/07/08 <0.50 <0.50 <0.50 <0.50 11 310 630 -
<br /> R/MW-11A 08/06/08 47 6.0 <0.50 7.2 24 560 1,200 -
<br /> R/MW-11A 08/26/08 92 9.9 0.66 9.9 51 610 1,000 -
<br /> R/MW-11A 11/06/08 110 13 2.8 16 27 1,900 16,000 2 -
<br /> R/MW-11A 02/04/09 46 1.7 1.9 10 7.8 500 1,200 Z -
<br /> R/MW-11B 05/08/08 8,900 91 <20 82 430 21,000 <2,000 -
<br /> R/MW-11B 08/07/08 6,200 71 12 83 300 14,000 1,600 -
<br /> R/MW-11B 11/07/08 4,900 55 8.8 63 240 9,600 1,100 -
<br /> R/MW-11B 02/04/09 10,000 95 14 85 450 16,000 1,600 -
<br /> 1Q09 STTC gwtables.xW Page 3 of 15
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