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TABLE I <br /> COMPARISON OF CONSTITUENT RATIOS <br /> INDOOR AND AMBIENT AIR SAMPLE RESULTS <br /> 2911 E. Fremont Street, Stockton, CA <br /> Sample ID 759-AA1 759-AA2 759-IA1 759-IA2 <br /> Ambient Ambient Air Indoor Air Indoor Air Avrage Average Indoor to <br /> Location Air Near East Near Rear of Outdoor Indoor Air Outdoor Indoor Outdoor <br /> Building Perimeter Source Warehouse Air Ratio Ratio Air RPD Air RPD RPD <br /> Analyte Ratios Ratio Value Ratio Value Relative Percent Difference <br /> RPD <br /> TPH /benzene 15.49 17.56 21.25 23.08 16.52 22.16 12.48% 8.24% 29.15% <br /> TPH /toluene 6.47 7.18 4.79 4.41 6.83 4.60 10.42% 8.19% 38.96% <br /> TPHg/ethyl benzene 29.73 32.92 30.91 30.00 31.32 30.45 10.17% 2.99% 2.81% <br /> TPH /m, -x lene 10.00 10.53 6.80 6.25 10.27 6.53 5.19% 8.43% 44.57% <br /> TPH /o-x lene 27.50 25.48 22.67 20.00 26.49 21.33 7.61% 12.50% 21.57% <br /> Benzene/toluene 0.42 0.41 0.23 0.19 0.41 0.21 2.07% 16.41% 65.99% <br /> Benzene/eth (benzene 1.92 1 1.88 1.45 1.30 1.90 1.38 2.32% 11.22% 31.74% <br /> Benzene/m, -x lene 0.65 0.60 0.32 0.27 0.62 0.30 7.30% 16.64% 71.30% <br /> Benzene/o-x lene 1.78 1.45 1.07 0.87 1.61 0.97 20.04% 20.69% 50.13% <br /> Toluene/eth (benzene 4.59 4.58 6.45 6.80 4.59 6.63 0.25% 5.21% 36.35% <br /> Toluene/m, -x lene 1.55 1.47 1.42 1.42 1.51 1.42 5.23% 0.24% 6.00% <br /> Toluene/o-x lene 4.25 3.55 4.73 4.53 3.90 4.63 17.99% 4.32% 17.21% <br /> Eth (benzene/m, -x lene 0.34 0.32 0.22 0.21 0.33 0.21 4.99% 5.457% 42.04% <br /> Ethylbenzene/o-xylene 0.93 0.77 0.73 0.67 0.85 0.70 17.75% 9.52% 19.31% <br /> m, -x lene/o-x lene 2.75 2.42 3.33 3.20 2.58 3.27 12.79% 1 4.08% 23.31% <br /> Notes: <br /> RPD = Relative Percent Difference (%) =Absolute value of: ((R1-R2)x100)/((R1+R2)/2) <br />