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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 /> PS/MW-18 05/18/99 25 <0.50 <0.50 <0.50 <5.0 -- 100 <50 <5.0 <br /> PS/MW-18 08/19/99 410 5.4 1.5 5.1 <30 <2.5 1,700 290 <5.0 <br /> PS/MW-18 11/16/99 690 6.0 1.0 6.6 <30 -- 2,300 390 -- <br /> PS/MW-18 02/06/00 <0.50 <0.50 <0.50 <0.50 <5.0 <50 56 <br /> PS/MW-18 05/16/00 <0.50 <0.50 <0.50 <0.50 <5.0 <50 <50 <br /> PS/MW-18 08/02/00 140 3.3 <0.50 1.9 <10 510 230 <br /> PS/MW-18 11/14/00 64 4.1 <0.50 2.3 <10 6.5 420 170 <br /> PS/MW-18 02/14/01 <0.50 <0.50 <0.50 <0.50 49 72 <50 60 <br /> PS/MW-18 05/07/01 -- -- -- -- -- -- -- -- <br /> PS/MW-18 08/24/01 110 2.8 <0.50 2.1 110 100 460 240 <br /> PS/MW-18 02/06/02 10 <5.0 <5.0 <5.0 290 240 <500 161 <br /> PS/MW-18 05/01/02 -- -- -- -- -- -- -- -- SA(1,3) <br /> PS/MW-18 07/30/02 <2.0 <2.0 <2.0 <2.0 -- 850 <200 480 <br /> PS/MW-18 10/28/02 -- -- -- -- -- -- -- SA(1,3) <br /> PS/MW-18 03/03/03 <5.0 <5.0 <5.0 <5.0 -- 2,700 <500 400 -- -- <br /> PS/MW-18 06/10/03 16 <1.5 <1.5 <2.0 -- 940 250 1,300 <br /> PS/MW-18 08/12/03 260 5.6 1.7 7.7 -- 22 2,300 1,700 -- -- <br /> PS/MW-18 11/12/03 590 6.6 <5.0 6.6 26 3,600 1,700 <br /> PS/MW-18 02/26/04 8.2 <0.50 <0.50 <0.50 640 72 740 <br /> PS/MW-18 05/20/04 28 <2.5 <2.5 <10 1,100 <250 1,200 <br /> PS/MW-18 08/19/04 560 8.1 1.6 11 86 2,900 790 <br /> PS/MW-18 11/16/04 220 2.9 0.56 3.4 150 1,300 330 <br /> PS/MW-18 02/16/05 3.9 <0.50 <0.50 <2.0 140 <50 130 <br /> PS/MW-18 05/16/05 -- -- -- -- -- -- -- Unable to access <br /> PS/MW-18 09/01/05 <0.50 0.75 <0.50 <2.0 35 <50 210 <br /> PS/MW-18 12/01/05 <0.50 <0.50 <0.50 <2.0 30 <50 270 <br /> PS/MW-18 02/08/06 <0.50 <0.50 <0.50 <2.0 24 <50 76 <br /> PS/MW-18 05/12/06 0.83 <0.50 <0.50 <2.0 20 53 230 <br /> PS/MW-18 08/09/06 19 0.91 <0.50 <2.0 22 390 240 <br /> PS/MW-18 11/02/06 <0.50 <0.50 <0.50 <0.50 17 <50 200 <br /> PS/MW-18 01/30/07 0.66 <0.50 <0.50 <0.50 16 52 140 <br /> PS/MW-18 05/03/07 <0.50 <0.50 <0.50 <0.50 7.4 <50 190 <br /> PS/MW-18 08/01/07 2.0 <0.50 <0.50 <0.50 14 140 190 <br /> PS/MW-18 11/01/07 1.3 <0.50 <0.50 <0.50 29 360 270 <br /> PS/MW-18 02/07/08 <0.50 <0.50 <0.50 <0.50 6.2 <50 120 <br /> PS/MW-18 05/07/08 <0.50 <0.50 <0.50 <0.50 5.4 <50 180 <br /> PS/MW-18 08/05/08 2.7 0.58 <0.50 1.1 59 600 560 <br /> PS/MW-18 11/04/08 4.3 2.8 0.51 4.2 170 1,400 690 <br /> 1 Q10 STTC gwtables.xlsx Page 39 of 95 <br />