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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-18B 05/19/04 2.8 <0.50 <0.50 <2.0 <0.50 <50 300 3 <br /> AR/MW-18B 08/20/04 <0.50 <0.50 <0.50 <2.0 <0.50 <50 <50 <br /> AR/MW-18B 11/16/04 <0.50 <0.50 <0.50 <2.0 <0.50 51 67 <br /> AR/MW-18B 02/16/05 <0.50 <0.50 <0.50 <2.0 <0.50 52 53 <br /> AR/MW-18B 05/19/05 17 <0.50 <0.50 <2.0 <0.50 71 82 <br /> AR/MW-18B 08/30/05 2.2 <0.50 <0.50 <2.0 <0.50 59 95 <br /> AR/MW-18B 11/30/05 1.8 <0.50 <0.50 <2.0 <0.50 280 200 <br /> AR/MW-18B 02/08/06 3.7 <0.50 <0.50 <2.0 <0.50 <50 <50 <br /> AR/MW-18B 05/11/06 1.8 <0.50 <0.50 <2.0 <0.50 <50 93 <br /> AR/MW-18B 08/10/06 1.6 <0.50 <0.50 <2.0 <0.50 91 56 <br /> AR/MW-18B 11/02/06 <0.50 <0.50 <0.50 <0.50 <0.50 68 5 88 <br /> AR/MW-18B 01/31/07 2.5 <0.50 <0.50 1.6 <0.50 <50 150 <br /> AR/MW-18B 05/03/07 <0.50 <0.50 <0.50 <0.50 <0.50 <50 84 31 <br /> AR/MW-18B 08/02/07 7.7 0.80 <0.50 0.85 1.8 360 260 31 <br /> AR/MW-18B 11/01/07 15 36 18 61 2.0 480 95 31 <br /> AR/MW-18B 02/07/08 <0.50 <0.50 <0.50 0.55 0.63 <50 <50 <br /> AR/MW-18B 05/06/08 <0.50 <0.50 <0.50 <0.50 0.71 <50 <50 <br /> AR/MW-18B 08/05/08 <0.50 <0.50 <0.50 <0.50 0.59 <50 72 <br /> AR/MW-18B 11/05/08 <0.50 <0.50 <0.50 <0.50 0.57 <50 <50 <br /> AR/MW-18B 02/03/09 <0.50 <0.50 <0.50 <0.50 1.4 <50 54 <br /> AR/MW-18B 05/07/09 <0.50 <0.50 <0.50 <0.50 1.4 <50 <50 <br /> AR/MW-18B 08/04/09 <0.50 <0.50 <0.50 <0.50 1.8 <50 73 <br /> AR/MW-18B 11/03/09 <0.50 <0.50 <0.50 <0.50 1.7 <50 <50 120 <br /> AR/MW-18113 02/02/10 <0.50 <0.50 <0.50 <0.50 1.5 <50 <50 -- 110 <br /> AR/MW-18C 10/31/02 5.3 <0.50 <0.50 <2.0 <0.50 <50 150 3 <br /> AR/MW-18C 02/25/03 15 <0.50 <0.50 <2.0 <0.50 53 <50 <br /> AR/MW-18C 06/04/03 <0.50 <0.50 <0.50 <0.50 <5.0 <50 210 <br /> AR/MW-18C 08/07/03 <0.50 <0.50 <0.50 <0.50 <0.50 <50 120 <br /> AR/MW-18C 11/05/03 <0.50 <0.50 <0.50 <0.50 <0.50 <50 140 <br /> AR/MW-18C 03/01/04 4.9 <0.50 <0.50 <0.50 <0.50 54 94 <br /> AR/MW-18C 05/19/04 <0.50 <0.50 <0.50 <2.0 <0.50 <50 520 3 <br /> AR/MW-18C 08/20/04 1.2 <0.50 <0.50 <2.0 <0.50 <50 89 <br /> AR/MW-18C 11/16/04 3.2 <0.50 <0.50 <2.0 0.59 <50 <50 <br /> AR/MW-18C 02/16/05 2.8 <0.50 <0.50 <2.0 <0.50 <50 <50 <br /> AR/MW-18C 05/17/05 1.3 0.54 <0.50 <2.0 <0.50 <50 60 3 <br /> AR/MW-18C 08/30/05 1.4 <0.50 <0.50 <2.0 <0.50 <50 160 3 <br /> AR/MW-18C 11/30/05 3.8 0.77 <0.50 <2.0 0.67 86 360 <br /> 1 Q10 STTC gwtables.xlsx Page 30 of 95 <br />