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0 50 feet <br /> SB-10 2.0 1 5.0 10.0 <br /> TPHc 140 2,500 27,000 <br /> B c0.005 0.005 0.005 <br /> T 0.069 0,11 0.57 <br /> E <0.005 X0.005 0.96 <br /> X <0=5 <0.005 3.4 <br /> SIB-1 11 2.0 5.0 10.0 SB-14 40.0 45.0 <br /> TPHc ¢50 t50 <50 TPHc 1,900 2,000 <br /> BEX ¢0.005 ¢0.005 0.005 B 0.029 0.062 <br /> T 0.034 0.032 0.028 SB-14 T 0.18 0.31 <br /> E 0.67 0.71 <br /> I x 1 1.4 1 1.4 <br /> f <br /> I <br /> SB-9 2.0 5.0 10.0 45.0 70.5 81.0 <br /> TPHc 260 ¢50 ¢50 3400 <50 60 <br /> SB-10 B ¢0.005 ¢0.005 x0.005 0.052 <0.005 c0.005 <br /> T ¢0.005 ¢0.005 ¢0.005 0.58 <0.005 0.03 <br /> B-9 E 00.005 00.005 C0.005 0.96 CO.005 0.04 <br /> X 1<0.0051<0.0051<0.005l 2.2 <0.005 0.097 <br /> SB-t T <br /> Estimated SB-13 S$-13 34.5 45.5 <br /> Groundwater SB-12 TPHc <50 <50 <br /> f4gW BEX ¢0.505 <0.005 <br /> T 0.006 x0.005 <br /> t <br /> 1 <br /> SB-12 2.0 5,0 10.0 1 <br /> TPHc <50 <50 ¢50 1 <br /> BEX X0,005 <0.005 00.005 ;SB•5 <br /> T 9.458 0.026 0.016 EXPLANATION <br /> I <br /> I +Si MVl . SB-s[]i Soil boring location(May 2002) <br /> ,Q-7 919-13[] Soil and grab groundwater sampling location(May 2002) <br /> F . Approximate location of soil boring advanced by Geological <br /> t prir• <br /> Technics Inc., 1995 <br /> t Approximate location of sail boring advanced by Radian <br /> I International LLC, 1998 <br /> I <br /> t MW-2 Approximate location of monitoring wells installed by Radian <br /> III International LLC, 1898 <br /> 1 Estimated extent of residual petroleum based on analytical <br /> data(TPHd orTPHmo a 100 mg/kg)orvisuai observations. <br /> ABBREVtATIONS <br /> TPHc=Total petroleum hydrocarbons quantified as crude <br /> oil analyzed using EPA Method B015M <br /> BTEX=Benzene,Toluene,Ethylbenzene,and Total <br /> Xylenes analyzed using EPA Method 8021 B <br /> Soil analytical results in mg/kg <br /> x <br /> 8 SOIL ANALYTICAL RESULTS FOR TPHc AND BTEX Project No. <br /> May 2002 5011 <br /> Roberts Property <br /> (Former Vernalis Pump Station) Figure <br /> GEDMATR1X 35500 Welty Road <br /> n Vernalis, California 4 <br />