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TABLE 14 <br /> ESTIMATION OF AIR CONCENTRATIONS FOR NON-VOCs IN SOILS <br /> MOUNTAIN HOUSE DEVELOPMENT SITE#6 <br /> Mountain House, San Joaquin County,California <br /> COPC Cs(mg/kg) Ca(mg/m3) <br /> BTEX <br /> Benzene 0.00050 NA <br /> Ethylbenzene 0.055 NA <br /> Xylene(s) 0.0010 NA <br /> PAHs <br /> Acenaphthene 0.47 NA <br /> Acenaphthylene 0.19 9.5E-09 <br /> Anthracene 0.17 NA <br /> Benza(a)anthracene 0.21 LIE-08 <br /> Benzo(a)pyrene 0.041 2.1E-09 <br /> Benzo(b)fluoranthene 0.052 2.6E-09 <br /> Benzo(g,h,i)perylene 0.033 1.7E-09 <br /> Benzo(k)fluoranthene 0.047 2.4E-09 <br /> Chrysene 0.68 3.4E-08 <br /> Dibenz(a,h)anthracene 0.034 1.7E-09 <br /> Fluoranthene 0.079 4.0E-09 <br /> Fluorene 0.66 NA <br /> Indeno(1,2,3-cd)pyrene 0.016 8.0E-10 <br /> Naphthalene 0.33 NA <br /> Phenanthrene 4.0 2.0E-07 <br /> Pyrene 0.27 1.4E-08 <br /> Equation: <br /> Ca=Cs x(5 x 10-'kg/M3) <br /> Where: <br /> Ca=concentration in air,mg/m3 <br /> Cs=concentration in soil,mg/kg <br /> Abbreviations: <br /> BTEX=Benzene,toluene,ethylbenzene,and total xylenes <br /> Cal/EPA=California Environmental Protection Agency <br /> COPC=Constituent of potential concern <br /> DTSC=Department of Toxic Substances Control <br /> mg/kg=Milligrams per kilogram <br /> mg/m`=Milligrams 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 (Cal/EPA DTSC,June 1999). <br /> Page ] of 1 From Science!o Sol Vrions <br />