Laserfiche WebLink
' TABLE 6 <br /> NON-CANCER REFERENCE DOSES <br /> 1 SURLAND HOMES-BRIDLE CREEK <br /> Tracy,San Joaquin County,California <br /> Oral RID Inhalation RID <br /> COPC m k -da Source m /k -da Source <br /> BTEX <br /> Toluene 8.0E-02 IRIS 8.6E-02 OEHIIA' <br /> Ethylbenzene 1.0E-01 IRIS 5.7E-01 OEHHA' <br /> I Xylene(s) 2.0E-01 IRIS 2.0E-01 OEHHA' <br /> PAHs <br /> Acenaphthene 6.0E-02 IRIS 6.0E-02 IRIS <br /> ' Anthracene 3.0E-01 IRIS 3.0E-01 IRIS <br /> Benzo(a)anthracene NA IRIS NA IRIS <br /> Benzo(a)pyrene NA IRIS NA IRIS <br /> Benzo(b)fluoranthene NA IRIS NA IRIS <br /> ' Benzo(g,h,i)perylene NA IRIS NA IRIS <br /> Benzo(k)fluoranthene NA IRIS NA IRIS <br /> Chrysene NA IRIS NA IRIS <br /> ' Dibenz(a,h)anthracene NA IRIS NA IRIS <br /> Flumanthene 4.0E-02 IRIS 4.0E-02 IRIS' <br /> Fluorene 4.0E-02 IRIS 4.0E-02 IRIS' <br /> Naphthalene 2.0E-02 IRIS 2.6E-03 OEHHA' <br /> ' Phenanthrene NA IRIS NA IRIS <br /> Pyrene 3.0E-02 IRIS 3.0E-02 IRIS <br /> METALS <br /> Barium 2.0E-01 IRIS 2.0E-01 IRIS <br /> ' Beryllium 2.0E-03 IRIS 5.7E-06 IRIS' <br /> Chromium(111) 1.5E+00 IRIS 1.5E+90 IRIS <br /> Cobalt NA IRIS NA IRIS <br /> ' Copper NA IRIS NA IRIS <br /> Lead NA IRIS NA IRIS <br /> Mercury 3.0E-04 IRIS 2.6E-05 OEHHA' <br /> Molybdenum5.0E-03 IRIS 5.0E-03 IRIS <br /> ' Nickel 2.0E-02 IRIS 1.4E-05 OEHHA' <br /> Vanadium 5.0E-03 NCEAa 5.0E-03 NCEAz <br /> Zinc 3.0E-01 IRIS 3.0E-01 IRIS <br /> ' Abbreviations: <br /> BTEX=Benzene,toluene,ethylbenzene,and toed xylenes <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 /> kg=Kilograms <br /> mr=Cubic meters <br /> t mg=Milligrams <br /> mg/kg=Milligrams per kilogrem <br /> NA=Not available or not applicable <br /> NCEA=National Center for Environmental Assessment <br /> DEBRA=Office of Environmental Health Hazard Assessment <br /> PAHs=Polynuclear aromatic hydrocarbons <br /> PEA=Preliminary Endangerment Assessment <br /> REL=Reference Exposure Level <br /> RIC=Reference concentration <br /> ' RID=Reference Dose <br /> pg/I. =Micrograms per liter <br /> Notes: <br /> ' 1. Chronic REL converted to RfD by multiplying REL(µg/m')by(1 mg/1000 pg"20 m'/day1/70 kg). <br /> 2. Consistent with PEA Guidance Manual,if no inhalation RID was available the om1 RID was used. <br /> 3. RIC converted to RID by multiplying RIC(mgtm')by(20 m'/day" 1/70 kg). <br /> 4. Reference dose based on molecular weight conversion from RfD for vanadium pentoxide(IRIS),from NCEA 2008. <br /> Sources: <br /> IRIS information from the EPA on-line database(November 2008). <br /> OEHHA information from the Cal/EPA on-line Toxicity Criteria Database(November 2008). ��,� <br /> Page 1 of 1 <br />