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i i <br /> TABLE 1 <br /> GROUNDWATER MONITORING DATA <br /> ARCO Service Station 2076 <br /> 800 Kettleman Road <br /> Lodi, California <br /> (Page 2 of 2) <br /> Well/ Static <br /> Sample Elevation of Water Elevation of Ethyl- Total Total <br /> Number Date Top of Casing Level Groundwater TPHg Benzene Toluene benzene Xylenes Lead Observations <br /> MW-3 cont'd <br /> MW-3 04/28/93 51 41 -1 58 NA NA NA NA NA NA FP=NO, S=NO <br /> MW-3 05/24/93 53 17 -3 34 NA NA NA NA NA NA FP=NO, S=NO <br /> MW-3 06/14/93 51 11 -1 28 NA NA NA NA NA NA FP=NO, S=NO <br /> MW-3(62) 08/18/93 50 63 -0 80 <50 <0 5 <0 5 <0 5 <0 5 <2 0 fP=NO, S=NO <br /> MW-3(62) 10/27/93 50 21 -0 38 <50 <0 5 <0 5 <0 5 0 7 3 0 FP=NO, S=NO <br /> MW-4 <br /> W-52-MW4 10/23/93 52 86 52 40 0 46 <50 <0 5 <0 5 <0 5 <0 5 NA FP=NO, S=NO <br /> MW-4(62) 02/24/93 54 08 -1 22 <50 <0 5 <0 5 <0 5 <0 5 NA FP=NO, S=NO <br /> MW-4 03/01/93 54 11 -1 25 NA NA NA NA NA NA FP=NO, S=NO <br /> MW-4 04/01/93 54 18 -1 32 NA NA NA NA NA NA FP=NO, S=NO <br /> MW-4(62) 04/20/93 54 06 -1 20 <50 <0 5 <0 5 <0 5 <0 5 NA FP=NO, S=NO <br /> MW-4 04/28/93 54 02 -1 16 NA NA NA NA NA NA FP=NO, S=NO <br /> MW-4 05/24/93 53 73 -0 87 NA NA NA NA NA NA FP=NO, S=NO <br /> MW-4 06/14/93 53 57 -0 71 NA NA NA NA NA NA FP=NO, S=NO <br /> MW-4(62) 08/18/93 52 79 0 07 <50 <0 5 <0 5 <0 5 <0 5 <2 0 FP=NO, S=NO <br /> MW-4(62) 10/27/93 52 25 0 61 <50 <0 5 <0 5 <0 5 <0 5 <2 0 FP=NO, S=NO <br /> Analytical results in parts per billion (ppb) <br /> TPHg = Total petroleum hydrocarbons as gasoline <br /> Elevation datum is mean sea level Measurements in feet <br /> NA = Not analyzed <br /> < = Below detection limit for analytical methods used <br /> FP = Free product <br /> S = Sheen <br /> MW 4(62) - Weil ID and sample depth (feet) <br /> W-50-MW3 Water sample, sample depth (feet) <br /> 1123ccar/30008-7 <br />