Laserfiche WebLink
Table 10 <br /> MAXIMUM SAMPLE CONCENTRATIONS <br /> Lockeford Elementary School Expansion Site PEA <br /> Chemical Soil(mg/kg) Outdoor Air Indoor Air <br /> F0.5-1'bgs. 4.5'-5'bgs 5'-15'bgs (mg/m') (mg/m) <br /> Metals/Inorganic Constituents <br /> Arsenic 2.34 0.54 0.65 1.78E-09 1.78E-09 <br /> Barium 575 688 531 4.37E-07 4.37E-07 <br /> Chromium(total)' 45.6 28.4 36.51 3.46E-08 3.46E-08 <br /> Cobalt 20 18 13.2 1.52E-08 1.52E-08 <br /> Copper 31.2 12.8 15.2 2.37E-08 2.37E-08 <br /> Lead' 49.2 22.8 18.4 3.74E-08 3.74E-08 <br /> Mercury 0.08 0.035 <0.03 6.08E-11 6.08E-11 <br /> Molybdenum 8.4 <5 5.5 6.38E-09 6.38E-09 <br /> Nickel' 77.6 19.2 19.6 5.90E-08 5.90E-08 <br /> Vanadium 117 134 70 8.89E-08 8.89E-08 <br /> Zinc 126 39.2 26.4 9.57E-08 9.57E-08 <br /> Organic Compounds <br /> Fluoranthene 0.4 <0.25 <0.25 3.04E-10 3.04E-10 <br /> Phenanthrene 3.2 <0.25 <0.25 2.43E-09 2.43E-09 <br /> Phenol 4.1 1.9 2.1 3.11 E-09 3.11 E-09 <br /> TPH-G(C8-C12) 194 <5 <5 1.47E-07 1.47E-07 <br /> TPH-D(C13-C23) 2850 <5 35 2.17E-06 2.17E-06 <br /> TPH-O(C24-C40) 3760 <50 200 2.86E-06 2.86E-06 <br /> Volatile Organic Compounds(VOCs)2 <br /> Benzene 1.27E-03 1.27E-03 1.27E-03 1.87E-07 2.11 E-04 <br /> Ethylbenzene 9.90E-04 9.90E-04 9.90E-04 1.47E-07 1.25E-04 <br /> MTBE 6.47E-03 6.47E-03 6.47E-03 3.35E-07 9.81E-05 <br /> Toluene 1.22E-02 1.22E-02 1.22E-02 1.63E-06 1.39E-03 <br /> m,p-Xylene 5.54E-03 5.54E-03 5.54E-03 6.35E-07 4.53E-04 <br /> o-Xylene 1.77E-03 1.77E-03 1.77E-03 2.03E-07 1.56E-04 <br /> Notes: <br /> '0.5-1'bgs"blind"duplicate sample submitted to laboratory as SG-40(410.5' <br /> 2 Soil VOC concentrations based on soil gas data applying the following formula: <br /> C.=CAH'(Kd*D+O(o+Oa•H'/p)'CF <br /> Where: <br /> C. = Soil concentration(mg/kg) <br /> Co = Soil gas concentration(ug/L) <br /> H' = Henry's Law Constant(dimensionless) <br /> Kd = Chemical-specific soil/water partition coefficient(mug) <br /> p = Dry bulk soil density(1.65 g/cm') <br /> OW = Water-filled porosity(0.25) <br /> O, = Air-filled porosity(0.095) <br /> CF = Conversion factor(1 E-03 mg/ug) <br />