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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-6AR 01/30/07 390 160 190 430 12 4,100 720 <br /> AR/MW-6AR 7 05/02/07 2,000 490 960 2,900 38 21,000 3,700 <br /> AR/MW-6AR 7 08/02/07 1,100 160 410 1,200 18 11,000 6,000 <br /> AR/MW-6AR 10/31/07 500 51 71 220 12 3,700 2,600 <br /> AR/MW-6AR 02/04/08 -- -- -- -- -- -- -- Well flooded <br /> AR/MW-6AR 05/08/08 1,800 450 820 2,400 20 18,000 4,100 <br /> AR/MW-6AR 08/07/08 1,600 200 880 2,400 34 18,000 4,300 <br /> AR/MW-6AR 08/26/08 1,300 300 530 1,700 42 14,000 3,100 <br /> AR/MW-6AR 11/06/08 630 53 150 440 17 5,200 1,500 <br /> AR/MW-6AR 02/05/09 1,400 170 360 1,300 25 9,200 2,100 <br /> AR/MW-6AR 7 05/07/09 2,900 920 1,200 4,300 31 28,000 <6,000 4 620 <br /> AR/MW-6AR 08/07/09 1,400 140 200 860 22 8,700 2,500 470 <br /> AR/MW-6AR 11/06/09 320 20 58 380 13 4,200 1,300 14 710 <br /> AR/Mw-6AR 02/03/10 2,100 260 900 3,000 32 22,000 <5,000 740 <br /> AR/MW-6B 02/13/01 <0.50 <0.50 <0.50 <0.50 <1.0 <50 <50 -- <br /> AR/MW-6B 05/07/01 <0.50 <0.50 <0.50 <0.50 <1.0 <50 <50 <br /> AR/MW-6B 08/21/01 <0.50 <0.50 <0.50 <0.50 <1.0 <50 <50 <br /> AR/MW-6B 10/30/01 <0.50 <0.50 <0.50 <0.50 <1.0 <50 110 <br /> AR/MW-6B 02/04/02 <0.50 <0.50 <0.50 <0.50 <2.0 <50 <50 <br /> AR/MW-6B 05/02/02 <0.50 1.1 <0.50 1.2 0.85 <50 88 <br /> AR/MW-6B 07/31/02 <0.50 <0.50 <0.50 <2.0 1.0 <50 130 3 <br /> AR/MW-6B 10/31/02 <0.50 <0.50 <0.50 <2.0 1.1 <50 250 3 <br /> AR/MW-6B 02/27/03 <0.50 <0.50 <0.50 <0.50 1.5 <50 85 <br /> AR/MW-6B 05/29/03 <0.50 <0.50 <0.50 <2.0 1.0 <50 310 <br /> AR/MW-6B 08/08/03 <0.50 <0.50 <0.50 <2.0 0.74 <50 370 <br /> AR/MW-6B 11/15/03 <0.50 <0.50 <0.50 <2.0 8.2 <50 410 <br /> AR/MW-6B 02/24/04 -- -- -- -- -- -- -- Well flooded <br /> AR/MW-6B 05/20/04 0.82 <0.50 <0.50 <2.0 0.63 <50 320 <br /> AR/MW-6B 08/20/04 3.4 <0.50 <0.50 <2.0 4.0 <50 60 <br /> AR/MW-6B 11/17/04 1.2 <0.50 <0.50 <2.0 4.5 <50 86 <br /> AR/MW-6B 02/14/05 -- -- -- -- -- -- -- Well flooded <br /> AR/MW-6B 05/18/05 0.71 <0.50 <0.50 <2.0 0.94 <50 92 <br /> AR/MW-6B 08/30/05 1.3 <0.50 <0.50 <2.0 2.6 <50 140 <br /> AR/MW-6B 11/29/05 <0.50 <0.50 <0.50 <2.0 2.7 <50 110 <br /> AR/MW-6B 02/06/06 <0.50 <0.50 <0.50 <2.0 3.0 <50 120 <br /> AR/MW-6B 05/09/06 <0.50 <0.50 <0.50 <2.0 1.3 <50 95 <br /> AR/MW-6B 08/08/06 0.69 <0.50 <0.50 <2.0 2.4 <50 83 <br /> 1 Q10 STTC gwtables.xlsx Page 9 of 95 <br />