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TABLE E-2.AREA 20, MULTIMEDIA PATHWAY EVALUATION FOR OUTDOOR SOIL EXPOSURE <br /> LANDSCAPE MAINTENACE WORKER SCENARIO <br /> NORTH SHORE PROPERTIES <br /> CITY OF STOCKTON HOUSING AND REDEVELOPMENT AGENCY <br /> STOCKTON,CALIFORNIA <br /> ' All Chemicals <br /> Acronym Units Value As Se of Concern <br /> Exposure Parameters: <br /> 1 Soil Concentration Cs mg/kg Chem-Spec 6.67E+01 7.70E-01 <br /> Particulate Concentration Cd mg/m, Chem-Spec 3.34E-06 3.85E-08 <br /> Exposure point air concentration from soil' C. mg/m, Chem-Spec <br /> ingestion Rate-Adult Ad MGR, mg/day 480 -- -- -- <br /> Ingestion Conversion Factor CF kg/mg LOOE-06 -- -- <br /> ' Inhalation Rate-Adult Ad IR, ms/day 20 <br /> Skin Surface Area-Adult SAa cm- 3600 <br /> Soil Adherence Factor-Adult AFA mg/em, 0.2 -- -- <br /> Dermal Absorption Factor ABS Unitless Chem-Spec 3.00E-02 I.00E-02 -- <br /> Dermal Conversion Factor CF kg/mg 1.00E-06 -- -- <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 At_ days 9125 -- -- -- <br /> ' Averaging Time-Carcinogenic At_ days 25550 -- -- <br /> Chronic Daily Intakes: <br /> Inhalation-Noncarcinogenic-Adult Ad IHL CDlnc mg/kg-day Chem-Spec 6.53E-07 7.53E-09 <br /> Ingestion-Noncarcinogenic-Adult Ad ING CDlne mg/kg-day Chem-Spec 3.13E-04 3.62E-06 <br /> Dermal-Noncarcinogenic-Adult Ad DER CDlnc mg/kg-day Chem-Spec 1.41 E-05 5.42E-09 -- <br /> t Inhalation-Carcinogenic-Adult Ad IHL CDIc mg/kg-day Chem-Spec 2.33E-07 NC =_ <br /> Ingestion-Carcinogenic-Adult Ad MG CDlc mg/kg-day Chem-Spec 1.12E-04 NC <br /> Dermal-Carcinogenic-Adult Ad DER CDtc m -day Chem-Spec 5.03E-06 NC <br /> Toxicity Criteria: <br /> Verified Reference Dose-IHL RfD-Inh mPJkg-day Chem-Spec -- 2.30E-05 -- <br /> ' Verified Reference Dose-ING RfD-Ing mg/kg-day Chem-Spec 3.00E-04 5.110E-03 =_ <br /> Verified Reference Dose-DER 1 RtD-Der mg/kg-day Chem-Spec 9.00E-06 5.00E-05 <br /> Cancer Slope Factor-IHL CSF-Inh (mg/kg-day)'' Chem-Spec 1.50E+01 NC <br /> Cancer Slope Factor-ING CSF-Ing (mg/kg-day)" Chem-Spec 1.50E+00 NC -- <br /> Cancer Slope Factor-DER' CSF-Der (mg/kg-day)-' Chem-Spec 5.00E+01 NC -- <br /> Noncarcinogenic Hazards: <br /> Soil Hazard Quotient-Adult-IHL Soil Ad HQ-Ihl unitless Chem-Spec 3.28E-04 3.28E-04 <br /> Soil Hazard Quotient-Adult-Ing Soil Ad HQ-Ing unitless Chem-Spec 1.04E+00 7.23E-04 1.04E+00 <br /> Soil Hazard Quotient-Adult-Der Soil Ad HQ-Der unitless Chem-Spec 1.57E+00 1.08E-03 1.57E+00 <br /> Soil Hazard Index-Adult Soil Ad HI unitless 2.61E+00 <br /> ' <br /> Carcinogenic Risks: <br /> Risk-IHL RISK-IHL unitless Chem-Spec 3.50E-06 NC 3.50E-06 <br /> Risk-MG RISK-ING unitless Chem-Spec 1.68E-04 NC 1.68E-04 <br /> Risk-DER RISK-DER unitless Chem-Spec 2.52E-04 NC 2.52E-04 <br /> Total Risk Total RISK unitless 4.23E-04 <br /> Outdoor air concentration calculated by multiplying volatilization factor by chemical concentration in soil. <br /> Dermal reference dose and cancer potency factor calculated by dividing respective oral CSF by dermal absorption factor and <br /> multiplying the oral RID by the dermal absorption factor(ABS)(U.S.EPA,1991) <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/m, Milligrams per cubic meter. <br /> ' mg/kg-day Milligrams per kilogram-day. <br /> (mg/kg-day)'' Reciprocal milligrams per kilogram-day. <br /> kg/mg Kilograms per milligrams <br /> mg/cm, milligrams per square centimeter <br /> CM2 square centimeter <br /> SOMA 99--„Ig Page l ort 12/9/99 <br />