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Appendix H
<br /> Historical Groundwater Analytical Data
<br /> Stockton Terminals Technical Committee
<br /> Port of Stockton
<br /> Stockton, California
<br /> Ethyl- Total MTBE MTBE TPH as TPH as
<br /> Sample Sampling Benzene Toluene Benzene Xylenes 8020 8260 Gasoline Diesel Lead MBAS Comments
<br /> Identification Date (Ng/L) (Ng/L) (Ng/L) (Ng/L) (Ng/L) (Ng/L) (Ng/L) (Ng/L) (Ng/L) (Ng/L)
<br /> AR/MW-12A 02/06/08 600 86 830 340 12 18,000 36,000
<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 /> AR/MW-12A 08/26/08 560 81 500 200 10 19,000 12,000
<br /> AR/MW-12A 11/06/08 440 62 630 230 8.3 15,000 34,000
<br /> AR/MW-12A 02/05/09 570 75 860 320 10 20,000 27,000
<br /> AR/MW-12A 05/08/09 450 65 610 180 11 14,000 91,000 100
<br /> AR/MW-12A 08/06/09 290 34 290 100 9.0 12,000 13,000 190
<br /> AR/MW-12A 11/05/09 450 58 530 200 11 16,000 39,000 180
<br /> AR/MW-12A 02/05/10 470 44 240 90 9.4 10,000 5,900 14 150
<br /> AR/MW-12B 06/08/93 2,100 42 <20 83 NR -- 4,000 <2,000 <20 --
<br /> AR/MW-12B 09/15/93 2,700 39 <20 69 NR 3,300 <2,000 23
<br /> AR/MW-12B 12/14/93 2,700 32 <10 51 NR 3,400 <1,000 18
<br /> AR/MW-12B 03/10/94 2,000 36 8.0 58 NR 5,100 <1,000 8.5
<br /> AR/MW-12B 06/14/94 5.5 <1.0 <1.0 4.9 NR 860 <100 5.0
<br /> AR/MW-12B 09/14/94 <0.50 19 3.4 35 NR 1,400 <50 <5.0
<br /> AR/MW-12B 12/13/94 950 20 <5.0 38 NR 1,100 <500 <5.0
<br /> AR/MW-12B 03/14/95 1,100 <20 <20 32 NR 3,100 <2,000 <5.0
<br /> AR/MW-12B 06/06/95 1,100 22 <20 40 NR 3,000 <2,000 <5.0
<br /> AR/MW-12B 09/29/95 870 21 <10 50 NR 1,800 <1,000 <5.0
<br /> AR/MW-12B 12/28/95 670 14 <10 26 NR 2,700 <5,000 <5.0
<br /> AR/MW-12B 02/12/96 800 15 <5.0 35 NR 1,900 <500 <5.0
<br /> AR/MW-12B 06/11/96 1,200 20 <5.0 44 NR 2,600 <500 <5.0
<br /> AR/MW-12B 09/10/96 1,300 20 <5.0 40 NR 3,000 <500 <5.0
<br /> AR/MW-12B 12/17/96 890 16 <5.0 28 <5.0 2,000 <500 <5.0
<br /> AR/MW-12B 03/11/97 1,100 18 <5.0 51 <5.0 2,500 <500 <5.0
<br /> AR/MW-12B 06/11/97 870 10 <5.0 27 <5.0 2,400 <500 <5.0
<br /> AR/MW-12B 09/23/97 790 9.8 <5.0 16 <5.0 1,300 <500 <5.0
<br /> AR/MW-12B 12/09/97 210 3.1 <0.50 7.1 0.5 770 <50 <5.0
<br /> AR/MW-12B 03/10/98 670 6.5 <5.0 18 <5.0 1,300 <500 <5.0
<br /> AR/MW-12B 06/10/98 320 3.7 <2.0 9.2 <2.0 740 <200 <5.0
<br /> AR/MW-12B 09/15/98 530 8.1 <2.0 24 <2.0 1800 <200 <5.0
<br /> AR/MW-12B 12/17/98 350 3.8 <2.0 11 <2.0 990 <200 <5.0
<br /> AR/MW-12B 03/19/99 41 2.7 5.6 14 <5 220 210 6
<br /> AR/MW-12B 05/20/99 160 5.6 4.1 14 <5.0 620 410 <5.0
<br /> AR/MW-12B 08/19/99 160 2.9 3.1 11 <30 <1.0 920 580 <5.0
<br /> AR/MW-12B 11/18/99 91 1.8 4.0 9.7 <20 -- 840 490 --
<br /> 1 Q10 STTC gwtables.xlsx Page 22 of 95
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