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TABLE 17 <br /> ESTIMATION OF AIR CONCENTRATIONS FOR NON-VOCs IN SOILS <br /> US CAN—WELTY ROAD <br /> 35275 Welty Road <br /> Vernalis,California <br /> COPC Cs(mg/kg) Ca(mg/m3) <br /> BTEX <br /> Benzene 0.0050 NA <br /> Toluene 0.033 NA <br /> Ethylbenzene 3.3 NA <br /> Total Xylenes 9.5 NA <br /> PAHs <br /> Acena hthene 0.00067 NA <br /> Anthracene 0.11 NA <br /> Benzo(a)anthracene 0.0061 3.1E-10 <br /> Benzo(a)pyrene 0.0063 3.2E-10 <br /> Benzo b fluoranthene 0.013 6.5E-10 <br /> Benzo ,h,i a lene 0.0018 9.0E-11 <br /> Benzo k fluoranthene 0.00067 3.4E-11 <br /> Chrysene 0.44 2.2E-08 <br /> Dibenz a,h anthracene 0.00067 3.4E-11 <br /> Fluoranthene 0.65 3.3E-08 <br /> Fluorene 0.6 NA <br /> Indeno 1,2,3-c,d ene 0.00067 3.4E-11 <br /> Naphthalene 3.6 NA <br /> Phenanthrene 2.3 1.2E-07 <br /> Pyrene 0.067 3.4E-09 <br /> Equation: <br /> Ca=Cs x(5 x 10-8 kg/rn) <br /> Where: <br /> Ca=concentration in air,mg/m3 <br /> Cs=concentration is soil,mg/kg <br /> Abbreviations: <br /> COPC=Constituent of potential concern <br /> mg/kg=Milligram per kilogram <br /> mg/m3=Milligram per cubic meter <br /> NA=Not applicable because chemical is considered non-volatile <br /> (PEA Manual) <br /> PAHs=Polynuclear aromatic hydrocarbons <br /> PEA=Preliminary Endangerment Assessment <br /> VOCs=Volatile organic compounds <br /> Equation Source: <br /> PEA Manual,Figure 2.8. <br /> Page 1 of 1 SAIE. <br />