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Table 1 <br /> GROUND WATER ELEVATIONS AND SAMPLE ANALYTICAL RESULTS <br /> I Ruiz Grocery Store <br /> 4491 West Durham Ferry Road <br /> Tracy,Cahforrua <br /> Sample Collection TOC DTW GWE SPH TPHg B T E X <br /> No Date (feet) (feet) (feet) (feet) (ppb) (ppb) (ppb) (ppb) (ppb) <br /> MW-5 2/28/95 9869 1156 8713 000 — --- — -- <br /> 3/7/95 9869 1652 8217 000 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<10 <br /> MW-6 2/28/95 9875 1140 8735 000 -- — --- — --- <br /> 3/7/95 9875 1668 8207 000 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<1 0 <br /> MW-7 2/28/95 9945 1201 8744 000 -- --- --- — --- <br /> 3/7/95 9945 1734 8211 000 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<10 <br /> IDomestic 9/4/91 — — --- 000 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 <br /> Well 1/7/93 --- 000 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 <br /> I4/7/93 — — — 000 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 <br /> Notes-, <br /> TOC Top of casing referenced to mean sea level <br /> DTW Depth to water <br /> GWE Ground water elevation <br /> SPH Separate-phase hydrocarbons <br /> TPHg Total petroleum hydrocarbons as gasoline by EPA Method 8015(CA LUFT modified) <br /> BTEX Benzene,toluene,ethylbenzene and total xylenes by EPA Method 8020(CA L=modified) <br /> ND<50 Not detected m concentrations exceeding the indicated method detection hrrat <br /> Not tested/measured <br /> I ppb Parts per billion <br /> Corrected for presence of separate-phase hydrocarbons <br /> I <br /> 2 <br />