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Semiannual Groundwater Monitoring, Second Half 1993 January 27, 1994 <br /> Quik Stop Market No 120, Stockton, California F7120 93 <br /> TABLE 1 <br /> CUMULATIVE RESULTS OF GROUNDWATER SAMPLING AND ANALYSES <br /> Ethyl- Total Well Depth to Groundwater <br /> Sample Date TPHd TPHg Benzene Toluene benzene Xylenes Elevation Water Elevation <br /> Number Sampled (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (It above MSL) (feet) (ft above MSL) <br /> I � <br /> MW-1 07/08/90 <50 <30 <0 30 <0 30 <0 30 <030 1202 4459 <br /> 12/06/90 <50 <50 <0 50 <0 50 <0 50 <050 4600 <br /> 03/05/91 <50 <50 <0 50 <0 50 <0 50 <0 50 4566 <br /> 04/30/91 <50 <50 <0 50 <0 50 <0 50 <050 4530 <br /> 06/05/91 <50 <50 <0 50 <050 <0 50 <050 4535 <br /> 09/11/91 <100 <50 <0 50 <0 50 <0 50 <050 4704 <br /> 12/18/91 <100 <50 <0 50 <0 50 <0 50 <050 4562 <br /> 06/16/92 <50 <50 <0 50 <0 50 <0 50 <050 4533 -3331 <br /> 12/21/92 <50 <50 <050 <0 50 <0 50 <0 50 4663 -3461 <br /> 05/03/93 <50 <50 <050 <050 <050 <050 4183 -2981 <br /> 06/18/93 <50 <50 <0 50 <0 50 <0 50 <0 50 4129 -2927 <br /> 12/17/93 <50 <50 <050 <050 <0 50 <050 4161 -2959 <br /> MW-2 08/06/90 <50 <30 <0 30 <0 30 <0 30 <0 30 1174 4480 <br /> 12/06/90 <50 55 41 10 22 11 4554 <br /> 03/05/91 <50 <50 <0 50 <0 50 <0 50 <0 50 4521 <br /> 04/30/91 <50 <50 <050 <050 <0 50 <0 50 4483 <br /> 06/05/91 <50 <50 <050 <050 <0 50 <0 50 4490 <br /> 09/11/91 <100 <50 <050 <050 <050 <050 4658 <br /> 12/18/91 <100 <50 <050 <0 50 <0 50 <050 4518 <br /> Page 1 of 2 <br />