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Table 2-Soil Vapor Chemical Data <br /> Phase II Environmental Site Assessment <br /> South Pointe Project Site,West Weber Avenue,Stockton,California <br /> VPI-5' VPI-10' VP2-5' VP2-10' VP3-5' VP3-10' VP4-5' VP4-10' VP5-5' VP5-10' <br /> Analyte Soil Vapor SL' concentrations in Ng/m'3 <br /> Acetone 1.0E+06 45.9 589 E 380 E 335 E 173 149 194 136 167 865 E <br /> Benzene 3.2 1.47 29.7 16.7 19.0 <0.639 30.5 13.4 19.4 18.6 54.6 <br /> 1,3-Butadiene NE <4.43 96.9 27.2 56.2 63.9 151 30.1 58.4 45.8 119 <br /> Carbon disfulfide NE <0.622 <0.622 <0.622 2.18 <0.622 9.84 8.31 9.90 7.66 <0.622 <br /> Chloromethane 3,100 1.69 4.71 7.91 4.50 6.36 11.7 3.10 6.71 9.21 11.9 <br /> Cyclohexane NE 3.68 11.9 6.82 7.96 <0.689 <0.689 5.75 16.1 15.3 28.7 <br /> 1,2-Dichloroethane 3.6 1.79 <0.810 <0.810 <0.810 <0.810 <0.810 <0.810 <0.810 <0.810 <0.810 <br /> 1,1-Dichloroethane 58 <0.802 <0.802 <0.802 <0.802 <0.802 <0.802 <0.802 2.65 <0.802 4.05 <br /> Ethanol NE 422 E 230 E 54.5 379 E 26.2 61.1 24.5 55.4 83.3 206 E <br /> Ethylbenzene 37 1.45 34.6 50.7 39.4 33.4 5.42 23.1 2.87 4.14 128 <br /> 4-Ethyltoluene NE <0.982 5.64 3.05 2.17 4.19 1.93 1.48 1.41 1.76 5.84 <br /> Trichlorofluoromethane NE 1.47 1.62 <1.12 <1.12 1.39 1.27 2.00 1.27 <1.12 1.31 <br /> Dichlorodifluoromethane NE 2.04 2.06 <0.989 2.00 1.55 <0.989 1.55 2.21 1.32 <0.989 <br /> Heptane NE 2.64 41.7 24.0 31.4 2,550 355 16.1 40.9 23.7 54.4 <br /> n-Hexane NE 2.96 68.7 25.5 39.1 5,360 377 20.2 32.3 27.1 64.9 <br /> Isopropylbenzene NE <0.983 <0.983 6.10 4.69 <0.983 <0.983 2.29 <0.983 <0.983 13.1 <br /> Methylene chloride 34 7.47 <0.694 4.06 <0.694 <0.694 <0.694 <0.694 <0.694 <0.694 <0.694 <br /> Methyl Butyl Ketone NE <5.11 19.2 18.6 14.2 <5.11 <5.11 8.47 <5.11 7.44 43.8 <br /> 2-Butanone(MEK) 1.7E+05 4.57 206 100 116 93.5 100 61.9 77.3 64.0 255 <br /> 4-Methyl-2-pentanone(MIBK) NE <5.12 20.3 28.9 17.6 <5.12 <5.12 8.11 <5.12 5.40 74.1 <br /> Methyl methacrylate NE <0.819 <0.819 5.20 <0.819 <0.819 <0.819 <0.819 <0.819 <0.819 27.8 <br /> 2-Propanol NE 42.8 30.0 23.5 39.6 7.40 25.3 6.74 13.9 33.4 40.6 <br /> Propene NE <2.15 747 <2.15 587 <2.15 505 263 350 281 1,020 <br /> Styrene 3.1 E+04 1.23 <0.851 <0.851 <0.851 <0.851 <0.851 <0.851 1.10 1.67 <0.851 <br /> Tetrachloroethene 15 <1.36 5.31 1.76 3.01 8.28 4.03 18.7 5.15 5.26 3.14 <br /> Toluene 1.0E+04 86.3 7,350 13,300 13,300 8,170 157 3,290 345 203 30,800 <br /> 1,1,1-Trichloroethane 3.5E+04 <1.09 <1.09 <1.09 <1.09 <1.09 <1.09 4.27 <1.09 <1.09 <1.09 <br /> 1,2,4-Trimethylbenzene NE <0.982 5.35 3.18 1.96 2.20 1.42 1.32 1.25 3.00 4.82 <br /> 1,3,5-Trimethylbenzene NE <0.982 1.65 0.982 <0.982 <0.982 <0.982 <0.982 <0.982 0.991 1.47 <br /> m&p-Xylene 3,500 4.03 85.4 131 98.8 67.6 9.49 53.8 6.59 10.1 317 <br /> o-Xylene 3,500 1.77 35.2 50.7 37.8 23.0 3.79 18.5 2.34 3.09 113 <br /> TPH(low fraction) NE <826 9,050 9,340 8,720 47,500 6,690 7,700 2,810 1,920 16,100 <br /> 1,1-Difluoroethane(leak check compou nd) 435 <2.70 213,000 1,090 <2.70 964 5.21 243 72.4 <2.70 <br /> Notes and Abbreviations <br /> Bold text indicates positive detections at or above the laboratory reporting limit(excluding 1,1-DFA leak check compound). <br /> 1-Residential(unrestricted)Environmental Screening Levels[ESI-s)established by the San Franciso Bay Regional Water Quality Control Board(SFBRWQCB)-June 2020 <br /> uq/m3-Micrograms per cubic meter <br /> NE-Not established <br /> E-The analyte concentration exceeds the upper limit of the calibration range of the instrument established by the initial calibration. <br /> Yellow highlighted cells indicate concentrations exceeding screening criteria <br /> Page 1 of 1 <br />