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rr r r� rr err r r� r� �r r r r r i r r r r rr <br /> TABLE 13 <br /> NON-CANCER TOXICITY DATA-INHALATION <br /> NORTH SHORE PROPERTIES <br /> CITY OF STOCKTON HOUSING AND REDEVELOPMENT AGENCY <br /> Chemical <br /> of Potential Inhalation Sources of Date <br /> Concern' RfD Units RfD' <br /> (Phenanthrene 4.0E-02t mg/kg-day R N/A <br /> Notes: <br /> a Includes all chemicals of potential concern at the North Shore Properties <br /> b RtDs from IRIS(EPA 1998b),HEAST(EPA 1997a),NCEA(as provided in EPA 1998b),and CaVEPA(1997). <br /> c RfD listed by EPA(1998),but reportedly withdrawn from IRIS or HEAST. <br /> d RID for cymene;conservative surrogate for 4-isopropyl toluene but is likely to be more toxic(Risk Assessment Hotline telephone conversation with R.McCartney, I I-29- <br /> 99). <br /> e RfD for naphthalene <br /> f RfD for fluorene <br /> ATES Air Toxicology and Epidemiology Section,Office of Environmental Health Hazard Assessment California Environmental Protection Agency <br /> ATSDR Agency for Toxic Substances and Disease Registry <br /> Cal EPA California Environmental Protection Agency <br /> N/A Not applicable <br /> Not available <br /> R Route-to-route extrapolation. Indicates that the oral RID was used to assess inhalation exposures in the absence of an inhalation RfD. <br /> mg/kg-day Milligrams per kilogram per day <br /> NCEA National Center for Environmental Assessment(Superftmd Technical Support Center) <br /> RID Reference dose <br /> EPA-9 U.S.Environmental Protection Agency,Region 9 <br /> HEAST Health Effects Assessment Summary Tables <br /> IRIS Integrated Risk Information System <br /> Page 3 of 3 1 L9/99 <br /> SOMA 992218 <br />