Laserfiche WebLink
TABLE A-4. AREA 10,INHALATION EXPOSURE PATHWAY EVALUATION, <br /> RESIDENTIAL SCENARIO <br /> NORTH SHORE PROPERTIES <br /> CITY OF STOCKTON HOUSING AND REDEVELOPMENT AGENCY <br /> STOCKTON, CALIFORNIA <br /> All <br /> Total Chemicals <br /> Acronym Value Inhalation Toluene Xylenes of Concern <br /> Exposure Parameters: <br /> Exposure point air concentration from groundwater Ca mg/m3 Chem-Spec 1.71E-07 5.26E-08 <br /> Inhalation Rate-Child Ch IRa m3/day 15 <br /> Inhalation Rate-Adult Ad IRa m3/day 20 <br /> Exposure Frequency-Child Ch EF days/year 350 <br /> Exposure Frequency-Adult Ad EF days/year 350 <br /> Exposure Duration-Child Ch ED years 6 -- -- _ <br /> Exposure Duration-Adult Ad ED years 24 -- -- __ <br /> Body Weight-Child Ch BW kg 15 <br /> Body Weight-Adult Ad BW kg 70 <br /> Averaging Time-Noncarcinogenic-Child Ch At„c days 2190 <br /> Averaging Time-Noncarcinogenic-Adult Ad At„c days 8760 -- -- _ <br /> Chronic Daily Intakes: <br /> Noncarcinogenic-Child Ch CDI„, mg/kg-day Chem-Spec 1.64E-07 5.04E-08 -- <br /> Noncarcinogenic-Adult Ad CDI„c mg/kg-day Chem-Spec 4.68E-08 1.44E-08 -- <br /> Toxicity Criteria: <br /> Verified Reference Dose RfD mg/kg-day Chem-Spec 1.10E-01 2.00E-01 -- <br /> Noncarcinogenic Hazards: <br /> Hazard Quotients-Child Ch HQ unitless Chem-Spec 1.49E-06 2.52E-07 1.74E-06 <br /> Hazard Index-Child Ch HI unitless -- -- -- 1.74E-06 <br /> Hazard Quotients-Adult Ad HQ unitless Chem-Spec 4.25E-07 7.20E-08 4.97E-07 <br /> Hazard Index-Adult Ad HI unitless I -- -- I -- I 4.97E-07 <br /> Indoor air concentration calculated by multiplying volatilization factor by chemical concentration in groundwater. <br /> NC Not considered to be carcinogenic via inhalation exposures. <br /> Chem-Spec Chemical-specific parameter value. <br /> kg Kilograms. <br /> m3/day Cubic meters per day. <br /> mg/m3 Milligrams per cubic meter. <br /> mg/kg-day Milligrams per kilogram-day. <br /> (mg/kg-day)-Reciprocal milligrams per kilogram-day. <br /> SOMA 99-2218 Page I of 1 12/9/99 <br />