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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 (pg/L) (pg/L) (pg/L) (pg/L) (pg/L) (pg/L) (pg/L) (pg/L)
<br /> R/MW-11C 05/08/08 4,800 72 12 68 81 12,000 1,300 -
<br /> R/MW-11C 08/07/08 4,200 55 <9.0 50 100 8,400 1,400 -
<br /> R/MW-11C 11/07/08 720 12 2.3 18 58 2,000 740 -
<br /> R/MW-11C 02/04/09 950 13 2.0 13 36 2,200 380 -
<br /> AR/MW-12A 05/09/08 640 78 680 250 8.3 15,000 28,000 - SPH Sheen observed
<br /> AR/MW-12A 08/07/08 170 32 360 110 6.3 22,000 67,000 -
<br /> R/MW-12A 08/26/08 560 81 500 200 10 19,000 12,000 -
<br /> R1MW-12A 11/06/08 440 62 630 230 8.3 15,000 34,000 -
<br /> R/MW-12A 02/05/09 570 75 860 320 10 20,000 27,000 -
<br /> AR/MW-12B 05/05/08 - - - - - - - - SA(1,3)
<br /> R/MW-12B 08/05/08 0.80 <0.50 <0.50 <0.50 <0.50 61 160 z -
<br /> R/MW-12B 11/03/08 - - - -- - - - - SA(1,3)
<br /> AR/MW-1 2B 02/05/09 5.5 <0.50 <0.50 <0.50 <0.50 <50 95 Z -
<br /> AR/MW-12C 05/07/08 630 3.0 <0.90 4.1 <0.90 1,200 110 -
<br /> R/MW-12C 08/06/08 510 4.6 2.4 7.7 1.8 990 150 -
<br /> R/MW-12C 11/07/08 500 10 4.4 16 <0.90 1,100 160 -
<br /> R/MW-12C 02/04/09 520 2.8 <0.90 4.1 <0.90 1,000 100 -
<br /> AR/MW-1 3A 05/09/08 1,400 1,000 1,600 11,000 340 48,000 <8,000 4
<br /> -
<br /> R/MW-13A 08/07/08 1,400 920 1,000 9,200 360 39,000 <6,000 4
<br /> -
<br /> R/MW-13A 11/06/08 1,800 1,400 1,900 13,000 560 55,000 <8.000 4
<br /> -
<br /> R/MW-13A 02/06/09 2,000 1,400 2,500 14,000 480 55,000 <10,000 4
<br /> -
<br /> AR/MW-1 3C 05/06/08 8.1 <0.50 <0.50 <0.50 <0.50 <50 150 -
<br /> R/MW-13C 08/06/08 18 <0.50 <0.50 <0.50 <0.50 <50 180 -
<br /> R/MW-13C 6 11/06/08 210 5.7 <2.0 8.8 <2.0 1,600 32,000 2 -
<br /> R/MW-13C 02/05/09 65 1.4 <0.90 1.5 <0.90 280 18,000 Z -
<br /> R/MW-13C ' 03/19/09 - - - - - - - 2,300
<br /> 1Q09 STTC gwtables.xis Page 4 of 15
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