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TABLE 14 <br /> ESTIMATED INHALATION HAZARDS FOR SOILS <br /> FORMER VERNALIS PUMP STATION <br /> Vernalis,San Joaquin and Stanislaus Counties,California <br /> COPC Cs(mg/kg) Ca;'.(mg/m3) RfDi Inhalation HQ <br /> BTEX <br /> Toluene 3.5E-02 9.7E-07 8.6E-02 7.2E-06 <br /> Eth lbenzene 5.0E-03 1.1E-07 5.7E-01 1.2E-07 <br /> Xylene(s) 4.2E-01 9.4E-06 2.0E-01 3.0E-05 <br /> PAHs <br /> Acenaphthene 5.0E-03 1.0E-08 6.0E-02 1.1E-07 <br /> Benzo(a)anthracene 5.7E-02 2.9E-09 NA NA <br /> Benzo(a)pyrene 8.1E-03 4.1E-10 NA NA <br /> Benzo fluoranthene 8.3E-03 4.2E-10 NA NA <br /> Benzo ,h,i e lene 1.1E-02 5.5E-10 NA NA <br /> Benzo k fluoranthene 5.0E-03 2.5E-10 NA NA <br /> Ch Bene 8.6E-02 4.3E-09 NA NA <br /> Dibenz a,h anthracene 5.0E-03 2.5E-10 NA NA <br /> Fluoranthene 3.6E-02 1.8E-09 4.0E-02 2.9E-08 <br /> Fluorene 5.0E-03 1.8E-09 4.0E-02 2.9E-08 <br /> Indeno 1,2,3-cd rene 8.0E-03 4.0E-10 NA NA <br /> Naphthalene 1.1 E+00 2.9E-06 2.6E-03 7.2E-04 <br /> Phenanthrene 7.6E-01 3.8E-08 NA NA <br /> Pyrene 5.9E-02 3.0E-09 3.0E-02 6.3E-08 <br /> Total Hazard Index: 7.5E-04 <br /> Equation: <br /> Inhalation HQ=(Cair/RfDi)x 0.639 <br /> Where: <br /> RfDi=the inhalation reference dose,mg/kg-day. <br /> Carr=concentration in air,mg/m3 <br /> Cs=Concentration in soil,mg/kg <br /> HQ=hazard quotient <br /> (Note:Using the PEA Manual,the value for Cair is estimated using Figures 2.5,2.6,and 2.7 for <br /> VOCs and Figure 2.8 for non-VOCs.) <br /> Abbreviations: <br /> BTEX=Benzene,toluene,ethylbenzene,and total xylenes <br /> COPC=Constituent of potential concern <br /> mg/kg=Milligrams per kilogram <br /> mg/m3=Milligrams per cubic meter <br /> NA=Not applicable <br /> PAHs=Polynuclear aromatic hydrocarbons <br /> PEA=Preliminary Endangerment Assessment <br /> VOCs=Volatile organic compounds <br /> Equation Source: <br /> PEA Manual,Table 2.4. <br /> A6-AM!� The Benham Companies,il[ <br /> rel Awhollypwned 5ubsidaary <br /> Page 1 of 1 From Sc mare Sofurloas <br />