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( l t C l [ t l l t [ L t 1 1 t [ L <br /> RBCA SITE ASSESSMENT <br /> Tier 1 Worksheet 5.5 <br /> Site Name: Stockton Fire Station#3 Completed By: JEANNE HOMSEY <br /> Site Location: 1116 First Street, Stockton, CA Date Completed: 3/14/2000 1 of 1 <br /> TIER 1 SUBSURFACE SOIL CONCENTRATION DATA SUMMARY <br /> Analytical Method Detected Concentrations <br /> CONSTITUENTS DETECTED Typical Detection No. of No. of Maximum Mean UCL on Mean <br /> CAS No. Name Limit m lk Samples Detects Conc. (mg/kg) Conc. (mg/k Conc, (mg/kg) <br /> 71-43-2 Benzene rw � + 18 1 3.1E+01 4.2E-03 8.5E-03 <br /> * ;'� ? ? z <br /> 100414 Ethylbenzene rz���r,` � h ��? ? 18 5 6.9E+02 3.3E-02 1.4E-01 <br /> 1634-044 Methyl t-Butyl Ether ?lmnn, <br /> � 17 1 5.5E-02 2.7E-02 2.9E-02 <br /> N "M108-88-3 Toluene 18 7 3.0E+02 3.3E-02 1.2E-01 <br /> 1330-20-7 Xylene(mixed isomers) ?? 18 7 1.7E+03 6.2E-02 3.0E-01 <br /> Serial: G-313-VKX-54 Software: GSI RBCA Spreadsheet <br /> ®Groundwater Services, Inc. (GSI), 1995-97. All Rights Reserved. Version: 1.0.1 <br />