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jTABLE 19 <br /> SUM OF ORAL,DERMAL AND INHALATION HAZARDS: <br /> RESIDENTIAL SCENARIO 2 <br /> SURLAND HOMES-BRIDLE CREEK <br /> Tracy, San Joaquin County,California <br /> ' COPC Oral/Dermal HQJ Inhalation HQ Total Hazard <br /> BTEX <br /> Toluene 3.2E-07 2.0E-07 5.2E-07 <br /> ' Eth lbenzen I 1.8E-06 1.7E-07 2.0E-06 <br /> Xylene(s) 1.3E-07 7.2E-08 2.0E-07 <br /> PAHs <br /> ' <br /> Acenaphthene 1.1E-04 4.7E-06 1.2E-04 <br /> Anthracene 2.5E-05 9.9E-08 2.5E-05 <br /> Benzo(a)anthracene NA NA NA <br /> Benzo(a)pyrene NA NA NA <br /> Benzo fluoranthene NA NA NA <br /> Benzo(g,h,i)perylene NA NA NA <br /> Benzo fluoranthene NA NA NA <br /> Ch Bene NA NA NA <br /> Dibenz a h anthracene NA NA NA <br /> Fluoranthene 5.3E-05 5.3E-08 5.3E-05 <br /> ' Fluorene 5.6E-04 4.0E-06 5.6E-04 <br /> Naphthalene 9.8E-04 4.0E-04 1.4E-03 <br /> Phenanthrene NA NA NA <br /> Pyrene 2.0E-04 2.0E-07 2.0E-04 <br /> ' METALS <br /> Barium 1.6E-02 3.6E-05 1.6E-02 <br /> Beryllium 6.5E-03 5.2E-03 1.2E-02 <br /> Chromium III 4.4E-04 1.0E-06 4.4E-04 <br /> Cobalt NA NA NA <br /> Copper NA NA NA <br /> Lead NA NA NA <br /> Mercury 7.0E-04 I 1.8E-05 7.2E-04 <br /> Molybdenum 2.3E-03 5.2E-06 2.3E-03 <br /> Nickel 3.0E-02 9.6E-02 1.3E-01 <br /> 1 Vanadium 2.3E-01 5.2E-04 2.3E-01 <br /> Zinc 5.3E-03 1.2E-05 5.3E-03 <br /> Total Residential Hazard: 2.9E-01 lE-01 4E-01 <br /> Abbreviations: <br /> BTEX=Benzene,toluene,ethylbenzene,and total xylenes <br /> COPC=Constituent of potential concern <br /> HQ=Hazard Quotient <br /> NA=Not applicable <br /> PAHs=Polynuclear aromatic hydrocarbons <br /> i <br /> Page 1 of 1 S •,E <br />