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TABLE 1 <br /> UWFORICAL GROUNDWATER DATA <br />:q Forme'Discovery ChevnAet <br /> CD <br /> 161511"Street <br /> Tracy. California <br /> Well.Nod Date Total Depth to Grormdwaler Floaling Chlorinated <br /> Eley.' Sampled COMM' Witter' Elevation Product TFI% Bertrene Toluene F.lhylbenzme Xylenes MTBE TFUd O&G Hakm-bow <br /> (ft-) M.) _A-) (rt.) (ppb) (ppb) .Sppb) (PPM (PPW (ppb) (,P.PbpPb� Larbl <br /> MW-31 02/20196 19.5 10.18 35.41 -- <50 <0.5 C D.5 <0.5 <0.5 as 60 as net <br /> 45.59 05113/996 19.5 10.51 35.08 --- <50 c0.5 C0.5 <0.5 <0.5' .nit <50 u7i ad <br /> 08113/96 19.5 11.46 34.11 -- na na pa as qa nit 60 na nd <br /> 11121/96 19.5 10.46 35.13 -- na as na an na C S <50 m net <br /> 03/18/97 19.5 10.33 35.26 ---- <50 <0.5 <0.5 <0.5 <0.5 <5 <50 na as <br /> TPHg —Total Petroleum Hydrocarbons as gasoline Aoalytial Lab 2MIR V: <br /> 7 TPHd = Total Petroleum Hydrocarbons as diesel Americm Environmental Network (FLAP X1172) <br />„ O&G = Oil and Covow <br /> RTEX = Benzema.Toluene, Ethylbeozese,and total Xylenes Analytical Methods: <br /> MTBE = Methyl t-Butly Ether TPH9: EPA Methoda5030/801S(GCFID) <br /> ad = now detected at or above laboratory reporting limits TPHd: EPA Method 3510/8015(GCM) <br /> ppb = 1imu per bion BTl~UMTBE: EPA Method$020 <br /> ft = bael 0&0: Standud MEthod 5520 B&F <br /> ' na = not malyzed tblorinate d lialocarbons: EPA 8010 <br />;a <br /> Meascaed from sarvayed lop of the aorta side of the well casing. Well casing elevationssurveyed to MSL by Virgil CLavex Lead Surveying{PLS#6 23 <br />�i <br /> �. .,; � r4gc 2• 7 <br />