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ic ( t � � 4r <br /> June 1993 Semiannual Groundwater Sampling & Analysts August 13, 1993 <br /> Quik Stop Market No 120, Stockton, California F7120 93 <br /> TABLE 1 <br /> GROUNDWATER SAMPLING AND ANALYSIS DATA <br /> Quik Stop No 120 <br /> Stockton, California <br /> (Page 2 of 2) <br /> Ethyl- Total Well Depth to <br /> Sample Sample TPHD TPHG Benzene Toluene benzene Xylenes Elevation Water <br /> Number Date (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (feet) (feet) <br /> MW-3 -X08/06/90 120 <30 <0 3 <0 3 <0 3 <0 3 11 28 4427 <br /> -d 12/06/90 52 110 3 2 8 6 3 8 11 4503 <br /> 03/05/91 <50 <50 <0 5 <0 5 <0 5 <0 5 4470 <br /> 04/30/91 <50 <50 <0 5 <0 5 <0 5 <0 5 44 32 <br /> 06/05/91 <50 <50 <0 5 <0 5 <0 5 <0 5 4440 <br /> 09/11/91 <100 <50 <0 5 <0 5 <0 5 <0 5 4609 <br /> 12/18/91 <100 <50 <0 5 <0 5 <0 5 <0 5 4468 <br /> 06/16/92 <50 <50 <0 5 <0 5 <0 5 <0 5 44 37 <br /> 12/21/92 <50 <50 <0 5 <0 5 <0 5 <0 5 45 72 <br /> 05/03/93 <50 <50 <0 5 <0 5 <0 5 <0 5 4089 <br /> 06/18/93 <50 <50 <0 5 <0 5 <0 5 <0 5 4034 <br /> TPHD Total petroleum hydrocarbons as diesel <br /> TPHG Total petroleum hydrocarbons as gasoline <br /> ppb Parts per billion (mg/1) <br /> <50 Not detected at or above listed practical quantitation limit for the method <br />