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' TABLE 8 <br /> CANCER SLOPE FACTORS <br /> US CAN—WELTY ROAD <br /> t 35275 Welty Road <br /> Vernalis,California <br /> Oral Cancer Slope Inhalation Cancer <br /> Factor Slope Factor <br /> COPC in Soil (mg/k -da )-i Source (m /k -da )-' Source <br /> ' BTEX <br /> Benzene 1.0E-01 OEHHA 1.0E-01 OEHHA <br /> Toluene NA IRIS NA IRIS <br /> ' Eth lbenzene 1.1 E-02 OEHHA 8.7E-03 OEHHA <br /> Total Xylenes NA IRIS NA IRIS <br /> PAHs <br /> ' Acenaphthene NA IRIS NA IRIS <br /> Acenapthylene NA IRIS NA IRIS <br /> Anthracene NA IRIS NA IRIS <br /> ' Benzo(a)anthracene 1.2E+00 OEHHA 3.9E-01 OEHHA <br /> Benzo(a)pyrene 1.2E+01 OEHHA 3.9E+00 OEHHA <br /> Benzo(b)fluoranthene 1.2E+00 OEHHA 3.9E-01 OEHHA <br /> ' Benzo(g,h,i)perylene NA IRIS NA IRIS <br /> Benzo(k)fluoranthene 1.2E+00 OEHHA 3.9E-01 OEHHA <br /> ' Chrysene 1.2E-01 OEHHA 3.9E-02 OEHHA <br /> Dibenz(a,h)anthracene 4.1 E+00 OEHHA 4.1 E+00 OEHHA <br /> Fluoranthene NA IRIS NA IRIS <br /> ' Fluorene NA IRIS NA IRIS <br /> Indeno(1,2,3-cd)pyrene 1.2E+00 OEHHA 3.9E-01 OEHHA <br /> 2-methylnaphthalene NA IRIS NA IRIS <br /> Naphthalene NA IRIS 1.2E-01 OEHHA <br /> Phenanthrene NA IRIS NA IRIS <br /> Pyrene NA IRIS I NA IRIS <br /> ' Abbreviations: <br /> Cal/EPA=California Environmental Protection Agency <br /> COPC=Constituent of potential concern <br /> ' EPA=United States Environmental Protection Agency <br /> IRIS=Integrated Risk Information System <br /> mg/kg-day=Milligrams per kilogram per day <br /> NA=Not available or not applicable <br /> ' OEHHA=Office of Environmental Health Hazard Assessment <br /> PAHs=Polynuclear aromatic hydrocarbons <br /> Sources: <br /> ' IRIS information from the EPA on-line database(May 2011). <br /> OEHHA information from the CaVEPA on-line Toxicity Criteria Database(May 2011). <br /> Page 1 of 1 SAIE <br />