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TABLE 19 <br /> ESTIMATION OF Kd(SOIL/WATER PARTITION COEFFICIENT)FOR VOCs IN SOILS <br /> FORMER VERNALIS PUMP STATION <br /> Vernalis, San Joaquin and Stanislaus Counties, California <br /> Cs Koc foc Kd <br /> COPC (mg/kg) (cm3/g) (default=0.02) (cm3/g) <br /> BTEX <br /> Toluene 3.5E-02 220 0.02 4.4 <br /> Eth lbenzene 5.0E-03 257 0.02 5.1 <br /> Xylene(s) 4.2E-01 240 0.02 4.8 <br /> PAHs <br /> Acenaphthene 5.0E-03 4.60E+03 0.02 92.0 <br /> Benzo(a)anthracene 5.7E-02 NA NA NA <br /> Benzo(a)pyrene 8.1E-03 NA NA NA <br /> Benzo b fluoranthene 8.3E-03 NA NA NA <br /> Benzo ,h,i e lene 1.1E-02 NA NA NA <br /> Benzo k fluoranthene 5.0E-03 NA NA NA <br /> Ch Bene 8.6E-02 NA NA NA <br /> Dibenz a,h anthracene 5.0E-03 NA NA NA <br /> Fluoranthene 3.6E-02 NA NA NA <br /> Fluorene 5.0E-03 7.90E+03 0.02 158 <br /> Indeno 1,2,3-cd rene 8.0E-03 NA NA NA <br /> Naphthalene 1.1E+00 1.29E+03 0.02 25.8 <br /> Phenanthrene 7.6E-01 NA NA NA <br /> Pyrene 5.9E-02 NA NA NA <br /> Equation: <br /> Kd=soil/water partition coefficient,cm3/g(or,L-water/kg-soil) =Koc x foc <br /> Where: <br /> Cs=Concentration in soil,mg/kg <br /> Koc=organic carbon partition coefficient,L/kg or cm3/g <br /> foc=fraction of organic carbon(default=0.02, Source:PEA Manual) <br /> Abbreviations: <br /> BTEX=Benzene,toluene,ethylbenzene,and total xylenes <br /> cm3/g=Cubic centimeters per gram <br /> COPC=Constituent of potential concern <br /> kg=Kilograms <br /> L=Liter <br /> mg/kg=Milligrams per kilogram <br /> NA=Not applicable because chemical is considered non-volatile(PEA Manual) <br /> PAHs=Polynuclear aromatic hydrocarbons <br /> PEA=Preliminary Endangerment Assessment <br /> VOCs=Volatile organic compounds <br /> Equation Source: <br /> PEA Manual,Figure 2.5. <br /> =A The Benham Companies LLC <br /> —�� A Wholly Owned Subsidiary <br /> Page 1 of 1 from svenco to solutions <br />