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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-11A 02/12/96 300 1.5 0.70 1.5 NR 670 <50 <5.0 <br /> AR/MW-11A 06/12/96 <0.50 <0.50 <0.50 <0.50 NR 120 <50 <5.0 <br /> AR/MW-11A 09/10/96 12 1.4 3.4 6.3 NR 1,100 <50 <5.0 <br /> AR/MW-11A 12/17/96 25 <0.50 <0.50 <0.50 1.2 300 <50 <5.0 <br /> AR/MW-11A 03/11/97 <0.50 <0.50 <0.50 0.7 6.5 380 <50 <5.0 <br /> AR/MW-11A 06/11/97 <0.50 <0.50 <0.50 <0.50 8.4 210 <50 <5.0 <br /> AR/MW-11A 09/23/97 87 <0.50 <0.50 <0.50 7.1 320 <50 <5.0 <br /> AR/MW-11A 12/09/97 800 2.5 3.2 1.1 10 1,100 <50 <5.0 <br /> AR/MW-11A 03/10/98 31 <1.0 1.8 <1.0 6.3 1,900 <100 <5.0 <br /> AR/MW-11A 06/10/98 <0.50 <0.50 <0.50 <0.50 <0.50 <50 <50 <5.0 <br /> AR/MW-11A 09/17/98 480 2.4 1.5 2.1 9.8 980 <50 <5.0 <br /> AR/MW-11A 12/18/98 2,100 48 44 59 110 3,200 <2,000 <5.0 <br /> AR/MW-11A 03/19/99 210 2.5 52 33 <30 910 1,200 7.8 <br /> AR/MW-11A 05/20/99 <0.50 2.8 <0.50 <0.50 <5.0 <50 2,600 <5.0 <br /> AR/MW-11A 08/19/99 390 6.4 <0.50 2.7 37 28 820 2,200 <5.0 <br /> AR/MW-11A 11/19/99 2,400 130 100 240 94 59 6,300 2,700 -- <br /> AR/MW-11A 02/08/00 4,700 560 310 640.0 480 210 11,000 780 <br /> AR/MW-11A 05/18/00 2.9 1.2 <0.50 1.6 41 37 510 610 <br /> AR/MW-11A 08/02/00 160 9.1 0.84 18 <70 -- 1,100 860 <br /> AR/MW-11A 11/16/00 530 12 3.9 10 260 190 1,700 2,300 <br /> AR/MW-11A 02/14/01 320 3.9 3.6 5.9 54 59 880 620 <br /> AR/MW-11A 08/23/01 66 3.9 <0.50 5.5 57 46 380 530 <br /> AR/MW-11A 02/06/02 2.8 <0.50 <0.50 1.1 18 14 490 340 <br /> AR/MW-11A 05/02/02 -- -- -- -- -- -- -- -- SA(1,3) <br /> AR/MW-11A 08/01/02 130 4.6 <0.50 2.5 -- 31 440 970 <br /> AR/MW-11A 10/28/02 -- -- -- -- -- -- -- SA(1,3) <br /> AR/MW-11A 02/26/03 <0.50 <0.50 <0.50 <2.0 5.4 410 540 <br /> AR/MW-11A 06/10/03 24 1.3 <0.50 <2.0 9.9 410 1,400 <br /> AR/MW-11A 08/12/03 1,200 73 9.5 30 59 3,100 2,100 <br /> AR/MW-11A 11/12/03 590 10 3.6 59 21 2,400 1,800 <br /> AR/MW-11A 03/01/04 520 <2.5 25 120 8.1 2,300 2,000 <br /> AR/MW-11A 05/25/04 1.4 0.88 0.86 5.0 7.9 230 2,000 <br /> AR/MW-11A 08/17/04 1,000 24 <5.0 27 24 2,500 510 <br /> AR/MW-11A 11/18/04 8.1 0.64 <0.50 3.3 8.0 430 870 <br /> AR/MW-11A 02/17/05 6.4 <0.50 <0.50 <2.0 3.7 210 380 <br /> AR/MW-11A 05/18/05 87 1.3 <0.50 3.5 6.5 540 760 <br /> AR/MW-11A 08/31/05 520 21 3.0 31 11 1,700 1,600 <br /> AR/MW-11A 12/22/05 71 4.1 4.0 11 <1.5 900 1,400 <br /> 1 Q10 STTC gwtables.xlsx Page 17 of 95 <br />