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TABLE A-3. AREA 10,INHALATION EXPOSURE PATHWAY EVALUATION,COMMERCIAL WORKER SCENARIO <br /> NORTH SHORE PROPERTIES <br /> CITY OF STOCKTON HOUSING AND REDEVELOPMENT AGENCY <br /> STOCKTON,CALIFORNIA <br /> Acronym Units Value Toluene Xylenes All Chemicals of Concern <br /> Exposure Parameters: <br /> Soil Concentration Cs mg/kg Chem-Spec <br /> Particulate Concentration Cd mg/m3 Chem-Spec <br /> Exposure point air concentration from groundwater' Ca mg/m3 Chem-Spec 1.14E-07 3.51E-08 <br /> Inhalation Rate-Adult Ad IRa m3/day 20 <br /> Exposure Frequency-Adult Ad EF days/year 250 <br /> Exposure Duration-Adult Ad ED years 25 <br /> Body Weight-Adult Ad BW kg 70 <br /> Averaging Time-Noncarcinogenic-Adult Ad Atnc days 9125 <br /> Averaging Time-Carcinogenic Atcarc days 25550 - <br /> Chronic Daily Intakes: <br /> Inhalation-Noncarcinogenic-Adult Ad IHL CDInc mg/kg-day Chem-Spec 2.23E-08 6.86E-09 <br /> Inhalation-Carcinogenic-Adult Ad IHL CDIc mg/kg-day Chem-Spec NC NC <br /> Toxicity Criteria: <br /> Verified Reference Dose-IHL RfD-Inh mg/kg-day Chem-Spec 1.10E-01 2.00E-01 <br /> Cancer Slope Factor-IHL CSF-Inh (mg/kg-day)-1 Chem-Spec NC NC <br /> Noncarcinogenic Hazards: <br /> Hazard Quotients-Adult-IHL Ad HQ-Ihl unitless Chem-Spec 2.02E-07 3.43E-08 2.37E-07 <br /> Hazard Index-Adult Ad HI unitless 2.37E-07 <br /> Carcinogenic Risks: <br /> Risk-IHL RISK-IHL unitless Chem-Spec NC NC 0.00E+00 <br /> Total Risk Total RISK unitless I I I I 0.00E+00 <br /> Outdoor air concentration calculated by multiplying volatilization factor by chemical concentration in groundwater. <br /> NA Not an applicable exposure pathway. <br /> NC Not considered to be carcinogenic <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)-1 Reciprocal milligrams per kilogram-day. <br /> SOMA 99-2218 Page I oft 12/9/99 <br />