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TABLE 13 <br /> ESTIMATED ORAL AND DERMAL HAZARDS FOR SOILS <br /> FORMER VERNALIS PUMP STATION <br /> Vernalis, San Joaquin and Stanislaus Counties,California <br /> COPC Cs(Mg/ g) RfDo ABS Oral/Dermal HQ <br /> BTEX <br /> Toluene 3.5E-02 8.0E-02 0.1 1.1E-05 <br /> Eth lbenzene 5.0E-03 1.0E-01 0.1 1.3E-06 <br /> Xylene(s) 4.2E-01 2.0E-01 0.1 5.4E-05 <br /> PAHs <br /> Acenaphthene 5.0E-03 6.0E-02 0.15 2.7E-06 <br /> Benzo(a)anthracene 5.7E-02 NA 0.15 NA <br /> Benzo a ene 8.1E-03 NA 0.15 NA <br /> Benzo b fluoranthene 8.3E-03 NA 0.15 NA <br /> Benzo ,h,i a lene 1.1E-02 NA 0.15 NA <br /> Benzo k fluoranthene 5.0E-03 NA 0.15 NA <br /> Chrysene 8.6E-02 NA 0.15 NA <br /> Dibenz a,h anthracene 5.0E-03 NA 0.15 NA <br /> Fluoranthene 3.6E-02 4.0E-02 0.15 2.9E-05 <br /> Fluorene 5.0E-03 4.0E-02 0.15 4.0E-06 <br /> Indeno 1,2,3-cd ene 8.0E-03 NA 0.15 NA <br /> Naphthalene 1.1E+00 2.0E-02 0.15 1.8E-03 <br /> Phenanthrene 7.6E-01 NA 0.15 NA <br /> Pyrene 5.9E-02 3.0E-02 0.15 6.3E-05 <br /> Total Hazard Index: 1.9E-03 <br /> Equation: <br /> Oral/Dermal HQ=([Cs/RfDo]x[1.28 x 10-5])+([Cs/RfDo]x[1.28 x 10-4]x ABS) <br /> Where: <br /> RfDo=oral reference dose,mg/kg-day. <br /> Cs=concentration in soil,mg/kg <br /> ABS=absorption coefficient <br /> HQ=hazard quotient <br /> Abbreviations: <br /> BTEX=Benzene,toluene,ethylbenzene,and total xylenes <br /> COPC=Constituent of potential concern <br /> mg/kg=Milligrams per kilogram <br /> mg/kg-day=Milligrams per kilogram per day <br /> NA=Not applicable <br /> PAHs=Polynuclear aromatic hydrocarbons <br /> PEA=Preliminary Endangerment Assessment <br /> Equation Source: <br /> PEA Manual,Table 2.3. <br /> ��-Eff Benham Companies,LLC <br /> An <br /> A Wholly Owned Subsidiary <br /> Page I of 1 Fm Science to Solutions <br />