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TABLE 2 SUMMARY OF GROUNDWATER ANALYTICAL RESULTS King Island Resort Stockton, California Page 1 of 13 Well ID Well Depth to Groundwater TPHg To L1 Benzene Toluene Ethylbenzene Xylenes MTBE TBA TBA - MTBE Lead Screen interval in feet b s Date Elevation Water Elevation ugYb ug lt ug/L ug/L ug/L ug/L ug/L ug/L ratio ** ug/L MW1 04/16/91 -17.76 2.30 -20.06 <50 <50 <0.5 <0.5 <0.5 <0.5 - - - - A-Zone 10/18/91 -17.76 3.10 -20.86 <50 <50 <0.5 <0.5 <0.5 <0.5 - - - - (3'-18') 04/20/92 -17.76 2.80 -20.56 <50 <50 <0.5 <0.5 <0.5 <0.5 - - - - 09/10/92 -17.76 2.98 -20.74 <50 <50 <0.5 <0.5 <0.5 <0.5 - - - - 12/02/92 A7.76 2.55 -20.31 <50 <50 <0.5 <0.5 <0.5 <0.5 - - - - 03/04/93 -17.76 1 .70 -19.46 <50 <50 <0.5 <0.5 <0.5 <0,5 - - - - 06/28/93 -17.76 2.94 -20.70 <50 <50 <0.5 <0.5 <0.5 <0.5 - - - - 09/20/93 -17.76 3.06 -20.82 <50 <50 <0.5 <0.5 <0.5 <0.5 - - - - 12/23/93 -17.76 2.11 -19.87 <50 <50 <0.5 <0.6 <0.5 <0.5 - - - 03/14/94 -17.76 1 .92 -19.68 <50 <50 <0.5 <0.5 <0,5. <0.5 - - - - 06/01/94 -17.76 2.50 -20.26 <50 <50 <0.5 <0.5 <0.5 <0.5 - - - - 09/01/94 -17.76 2.91 -20.67 NA <50 <0,5 <0.5 <0,5 <0,5 - - - - 12/12/94 -17.76 1 .93 -19.69 <50 <50 <0.5 <0.5 <0.5 <0.5 - - - - 03/08/95 -17.75 0.25 -18.01 - - - - - - - - - - 08/11/95 -17.76 2.96 -20.74 - - - - - - - - - - 08/22/95 -17.75 3.04 -20.80 - - - - - - - - - - �� 09/27/95 -17.76 2.73 -20.49 <50 <50 <0.5 <0,5 <0.5 <0.5 - - - - 10/27/95 -17.76 2.56 -20.32 <50 <50 <0.5 <0.5 <0.5 <0.6 - - - - 08/29/97 -17.76 3.11 -20.87 <50 NA <0.5 <0.5 <0.5 <0,5 <5.0 - 03/19/98 -17.76 0.64 -18.40 <50 <50 <0.5 <0.5 <0.5 <2 <5.0 - - - 06/23/98 -17.76 2.06 -19.82 <50 <50 <0.5 <0.5 <0.5 <0.5 2.9 - - - 09/25/98 -17.76 3.10 -20.86 <50 <50 <0.5 <0.5 <0.5 <0.5 <2.5 - - - 12/14/98 -17.76 1 .70 -19.46 <50 <50 <0.5 <0.5 <0.5 <0.5 <2.5 - - - 03/04/99 -17.76 0.63 A 8.39 <50 <50 <0.5 <0.5 <0.5 <0.5 <2.5 - - - 06/09/99 -17.76 2.63 -20.39 <50 <60 <0.5 <0.5 <0.5 <0.5 <2.5 - - - 09/02/99 -17.76 2.98 -20.74 <50 <50 <0.5 <0.5 <0.5 <0.5 <2.5 - - - 12/01/99 -17.76 2.15 A 9.91 <50 <50 <0.5 <0.5 <0.5 <0.5 <2.5 - - - 03/30/00 -17.76 1 .14 -18.90 <50.0 <50 <0.5 <0.5 <0.5 <0.5 <2.5 - - - 06/16/00 -17.76 2.8 -20.56 <50.0 <100* <0.5 <0.5 <0.5 <0.5 <2.5 - - - 10/26/00 -17.76 2.35 -20.11 - - - - - - - - - - 04/06/01 -17.76 1 .49 -19.25 <50.0 <50 <0.5 <0.5 <0.5 <0.5 <2.50 - - - 07/06/01 -17.76 2.95 -20.72 <50 <50 <0.5 <0.5 <0.5 <0.5 <5.0 - - - 01/14/02 -17.76 1 .05 -18.81 <50 <50 <0,5 <0.5 <0.5 <1 .0 <5.0 - - - 05/02/02 -17.76 2.15 -19.91 <50 <50 <0.5 <0.5 <0.5 <1 .0 <5.0 - - - 08/01/02 -17.76 3.17 -20,93 <50 <50 <0.5 <0.5 <0,5 <1 .0 <5.0 - - - - 11/15/02 -17.76 2.02 -19.78 <50 <50 <0.5 <0.5 <0.5 <1 .0 <2.0 <20 - 45.0 02/20/03 -17.76 0.68 -18.44 <50 <50 <0.5 <0.5 <0.5 <1 .0 <2.0 <20 - <5.0 06/05/03 -17.76 2.27 -20.03 <50 <50 <0.5 <0.5 <0.5 <1 .0 <2.0 <20 - <5.0 09/30/03 -17.76 3.18 -20.94 <50 <50 <0.5 <0.5 <0.6 <1 .0 <2.0 <20 - <5.0 12/04/03 -17.76 2.25 -20.01 <50 NA <0.5 <0.5 <0.5 <1 .0 <2,0 <20 - - 03/04/04 -17.76 4.01 -17.75 <50 <50 <0,5 <0.5 <0.5 <1 .0 <2.0 <20 - <5.0 06/09/04 -17.76 3.10 -20.86 <50 <60 <0.5 <0,5 <0.5 <1 .0 <2.0 <20 - <5.0 09/02/04 -17.76 3.49 -21 .25 <50 <50 <0.5 <0.6 <0.5 <1 .0 2.0 <5.0 1 .3 <5.0 12/02/04 -17.76 1 .87 A 9.63 <50 <50 <0.5 <0.5 <0.5 <1 .0 2.3 <5.0 1 .1 <5.0 03/03/05 -17.76 0.06 A7.82 <50 <50 <0.5 <0.5 <0.5 <1 .0 1 .4 <5.0 1 .8 <5.0 06/03/05 -17.76 2.06 -19.82 <50 <50 <0.5 <0.5 <0.5 <1 .0 1 .3 <5.0 1 .9 1 .2 09/20/05 -17.76 3.29 .21 .05 <50 <50 <0.5 <0,5 <0.5 <1 .0 <0.5 <5.0 - <5.0 12/20/05 -17.76 1 .18 -18.94 <50 <50 <0.5 <0.5 <0.5 <1 .0 1 .3 <5.0 1 .9 <0.5 03/02/06 -17.76 0.05 -17.81 <50 <50 <0.5 <0,5 <0.5 <1 ,0 2.6 <5.0 1 .0 <0.5 06/15/06 -17.76 2.30 -20.06 <50 <50 <0.5 <0.5 <0.5 <1 .0 1 .0 <5.0 2.5 <0.5 II