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� !• � � � � � � � � � � � � � �■ wawa �� <br /> s • • <br /> TABLE 1 GROUNDWATER MONITORING DATA,FORMER EXXON RS 7-3942,4444 NORTH PERSHING AVENUE, STOCKTON, CALIFORNIA <br /> Casing Depth Groundwater LPH Concentration /L) <br /> Well Elevation to Water Elevation Thickness Ethyl- <br /> No Date (feet msl) (feet) (feet msl) (feet) Benzene Toluene benzene Xylenes TPH-g MTBE <br /> MW5 02/13/96 958 Well dry -- -- -- -- -- -- <br /> 04/18/96 2200 -1242 000 <05 <05 <05 068 65 <25 <br /> 08/08/96 2422 -1464 000 -- -- -- -- -- -- <br /> 11/04/96 2468 -15 10 000 -- -- -- -- -- -- <br /> 02/03/97 1989 -1031 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> 05/08/97 863 1943 -1080 000 <0 5 <0 5 <0 5 <0 5 56 <2 5 <br /> 08/26/97 20 19 -1156 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> 11/11/97 Well dry -- -- -- -- -- <br /> 03/03/98 1612 -749 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> 03/03/98 <2 0* <br /> 05/20/98 15 60 -697 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> 05/20/98 <2 0* <br /> 08/19/98 1745 -882 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> 08/19/98 <2 0* <br /> 11/18/98 1798 -935 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> 05/05/99 1641 -778 000 <0 5 <0 5 <0 5 <0 5 <50 <2 0 <br /> 08/20/99 17 87 -924 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> 12/06/99 18 16 -953 000 <1 <1 <1 <1 <50 <1 <br /> 02/29/00 15 59 -696 000 <1 <1 <1 <1 <50 <1 <br /> 05/16/00 15 66 -7 03 000 <1 <1 <1 <1 <50 <1 <br /> 09/11/00 1801 -938 000 <0 5 <0 5 <0 5 <0 5 <50 <0 5 <br /> 12/13/00 17 95 -932 000 <0 5 <0 5 <0 5 0 65 190 <0 5 <br /> 03/08/01 1712 -849 0.00 <0.5 <0.5 <0 5 <0 5 <50 <0 5 <br /> MW6 07/16/87 892 1935 -1043 000 3,100 4,300 1,200 6,600 12,000 -- <br /> 04/11/88 2304 -1367 062 Not sampled- LPH <br /> 09/13/88 25 12 -1620 000 19,000 17,000 2,300 12,000 65,000 -- <br /> F iproaects�739421masterlep\g30113942gw As Page 10 of 41 <br />