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TABLE 22 <br /> ' SUM OF ORAL,DERMAL AND INHALATION CANCER RISKS: <br /> CONSTRUCTION WORKER SCENARIO <br /> SURLAND HOMES-BRIDLE CREEK <br /> ' Tracy, San Joaquin County,California <br /> COPC Oral/Dermal Risk Inhalation Risk Total Risk <br /> BTEX <br /> Toluene NA NA NA <br /> Eth lbenzene 3.6E-12 1.6E-12 5.2E-12 <br /> X lene s NA NA NA <br /> PAHs <br /> Acenaphthene NA NA NA <br /> Anthracene NA NA NA <br /> Benzo(a)anthracene 9.9E-09 3.2E-12 9.9E-09 <br /> Benzo(a)pyrene 1.1E-08 3.4E-12 1.1E-08 <br /> Benzo b fluoranthene 9.2E-09 2.9E-12 9.2E-09 <br /> ' <br /> Benzo(g,h,i)perylene NA NA NA <br /> Benzo k fluoranthene 1.1E-09 3.7E-13 1.1E-09 <br /> Ch Bene 1.1E-09 3.4E-13 I.1E-09 <br /> I Dibenz a,h anthracene 4.2E-09 4.2E-12 4.2E-09 <br /> Fluoranthene NA NA NA <br /> Fluorene NA NA NA <br /> Naphthalene NA 9.8E-10 9.8E-10 <br /> Phenanthrene NA NA NA <br /> Pyrene NA NA NA <br /> METALS <br /> ' Barium NA NA NA <br /> Beryllium NA 9.6E-10 9.6E-10 <br /> Chromium 1II NA NA NA <br /> ' Cobalt NA NA NA <br /> Copper NA NA NA <br /> Lead 7.1E-09 9.4E-11 7.2E-09 <br /> Mercury NA NA NA <br /> Molybdenum NA NA NA <br /> Nickel NA 5.0E-09 5.0E-09 <br /> Vanadium NA NA NA <br /> Zinc NA NA NA <br /> Total Construction Risk: 4.3E-08 7.0E-09 5E-08 <br /> Abbreviation: <br /> BTEX=Benzene,toluene,ethylbenzene,and total xylenes <br /> COPC=Constituent of potential concern <br /> NA=Not Applicable <br /> PAHs=Polynuclear aromatic hydrocarbons <br /> 1 Page 1 of 1 SA,! <br />