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Table 1 <br /> SUMMARY OF GROUNDWATER <br /> ELEVATIONS AND SAMPLE ANALYTICAL RESULTS <br /> City of Ripon Corporation Yard <br /> 1220 South Vera Avenue <br /> Ripon,California <br /> Sample Sampling TOC DTW GWE TPf1d TPHg B T X <br /> No. Date (feet) (feet) (feet) (ppb) (ppb) (ppb) ( b) (ppb) ( p ,) <br /> MW-1 2/28/95 96.88 21.51 75.37 150 ND<50 ND<0.5 ND<0.5 ND<0.. ND<1.0 <br /> 5/26/95 96.88 18.70 78.18 110 ND<50 ND<0.5 ND<0.5 ND<0 , ND<1.0 <br /> 10/18/95 96.88 20.55 76.33 ND<50 ND<50 ND<0.5 ND<0.5 NP<0.5 ND<2.0 <br /> 12/21/95 96.88 20.29 76.59 ND<50 ND<50 ND<0.5 ND<0.5 "ND<0.5 ND<0.5 <br /> MW-2 2/28/95 97.30 21.91 75.39 330 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<I.0 <br /> 5/26/95 97.30 19.14 78.16 530 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<1.0 <br /> 10/18/95 97.30 20.99 76.31 ND<50 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<2.0 <br /> 12/21/95 97.30 20.75 76.55 ND<50 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 <br /> MW-3 2/28/95 96.07 20.74 75.33 100 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<1.0 <br /> 5/26/95 96.07 17.87 78.20 100 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<1.0 <br /> 10/18/95 96.07 19.72 76.35 ND<50 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<2'.0 <br /> 12/21/95 96.07 1.9.40 76.67 ND<50 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 <br /> 1 i <br /> itteu <br /> TOC Top of casing elevation referenced to arbitrary benchmark;survey data confirmed 10/18/95 <br /> DTW Depth to water(below top of casing) <br /> GWE Groundwater elevation(TOC-DTW) <br /> TPlid Total petroleum hydrocarbons as diesel by EPA Method 8015(modified)or EPA 3510/GC-CID <br /> TPHg Total petroleum hydrocarbons as gasoline by EPA Method 8015(modified) <br /> BTEX Benzene,toluene,ethylbenzene and total xylenes by EPA Method 8020 <br /> ND<# Not detected in concentrations exceeding the indicated method detection limit(#) <br /> ppb Parts per billion <br />