ARCHIVED REPORTS_SITE CHARACTERIZATION REPORT 1999

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TABLE E-3.AREA 20, MULTIMEDIA PATHWAY EVALUATION FOR OUTDOOR SOIL EXPOSURE RESIDENTIAL SCENARIO ' NORTH SHORE PROPERTIES CITY OF STOCKTON HOUSING AND REDEVELOPMENT AGENCY STOCKTON,CALIFORNIA ' Acronvirn Units Value As Se All CheMcals of Concern Exposure Parameters: Soil Concentration Cs mg/kg Chem-Spa 6.67E+01 7.70E-01 - Particulate Concentration Ca me,/m' Chcm-Spa 3.34E-06 3.85E-08 = Ingestion Rate-Child Ch INGRr. mg/day 200 Ingestion Rate-Adult Ad INGR. rnp/day 100 Ingestion Conversion Factor CF kg/mg I.00E-06 - Inhalation Rate-Child Ch Irc Wlday 15 - _ -- Inhalation Rate-Adult Ad IR, m'/day, 20 Skin Surface Area-Child SAc ant 2000 Skin Surface Area-Adult SAa emw 5800 Soil Adherence Factor-Child AFc rn¢/cml 0.3 Soil Adherence Factor-Adult AFx mg/cm' 0.08 Dermal Absorption Factor ABS Unitless Chem-Spa 3.00E-02 IME-02 = Dermal Conversion Factor CF kg/mg I.00E-06 Exposure Frequency-Child Ch EF days/year 350 Exposure Frequency-Adult Ad EF days/year 350 Exposure Duration-Child Ch ED years 6 Exposure Duration-Adult Ad ED years 24 ' Body Weight-Child Ch BW kg 15 Body Weight-Adult Ad BW kg 70 Averaging Tine-Noncarcinogenic-Child Ch At_ days 2190 Averaging Time-Noncarcinogmic-Adult Ad At_ days 8760 Averaging Time-Carcinogenic At... days 25550 -- - _ Chronic Daily Intakes: ' Inhalation-Noncarcinogmic-Child Ch IHL CDI_ mg/kg-day Chent-Spa 3.20E-06 3.69E-08 - Ingestion-Noncarcinogenic-Child Ch MG CDI. ng/kg-day Ch-Spec 8.53E-04 9.84E-06 Denial-Noncarcinogenic-Child Ch DER CDI_ mg/kg-day Ch-Spec 7.68E-05 2.95E-07 Inhalation-Noncarcinogmic-Adult Ad IHL CDInc nwjkg-day Chem-Spa 9.14E-07 1.05E-08 - ' Ingestion-Noncarcinogmic-Adult Ad ING CDInc mg/kg-day Chem-Spcc 9.14E-05 1.05E-06 - Dermal-Noncarcinogenic-Adult Ad DER CDInc mg/kg-day ChcmSpec 1.27E-05 4.89E-08 Inhalation-Carcinogenic-Child Ch IHL CDlc nrglkg-day Chem-Spa 2.74E-07 NC - Inhalation-Carcinogenic-Adult Ad IHL CDIc mg/kg-day Chem-Spa 3.13E-07 NC -- Inhalation-Carcinogenic-Resident Res IHL CDIC ng/kg-day Ch-Spec 5.87E-07 NC - ' Ingestion-Carcinogenic-Child Ch MG CDIc nig/kg-day Ch-Spec 7.31 E-05 NC - Ingestion-Carcinogenic-Adult Ad ING CDlc mg/kg-day Chem-Spa 3.13E-05 NC Ingestion-Carcinogenic-Raident Res Ing CDIc mg/kg-day Chcm-Spec 1.04E-04 NC - Demstl-Carcinogenic-Child Ch DER CDIc mg/kg-day Chetn-Spa 6.58E-06 NC - ' Dcmai-Carmn mic-Adult Ad DER CDIc mg/kg-day ChcnrSpec 4.36E-06 NC - Demtal Carcino enic-Resident Res Der CDIc -da Che -Set 1 ME-05 NC Toxicity Criteria: Verified Reference Dose-IHL RID-Inh mg/kg-day Chem-Spa - 2.30E-05 - Vmfied Rcfamce Dose-ING RfD-Ing mg/kg-day Ch-Spa 3.00E-04 5.00E-03 - Verified Reference Dosc-DER= RfD-Da nat/kg-day ChcmSpec 2.74E-10 5.27E-I 1 ' Cancer Slope Factor-IHL CSF-inh (nte/kR-dav)-1 Ch-Spm 1.50E+01 NC - Cancer Slope Factor-MG CSF-Ing (mg/kg-day)" ChenrSpa 1.50E+00 NC Cancer Slope Factor-DER' CSF-Der (mg/kg-day)` Ch-Spec 5.00E+01 NC - Noncarcinogmic Hazards: Hazard Quotients-Child-IHL Ch HQ-1h] unitless Chem-Spec -- 1.61E-03 1.61 E-03 ' Hazard Quotients-Child-Ing Ch HQ-Ing unitless Ch-Spec 2.84E+00 1.97E-03 2.84E+00 Hazard Quotients-Child-Der Ch HQ-Da unitless Ch-Spec 2.80E+05 5.60E+03 2.86E+05 Hazard Index-Child Ch HI unitless 2.86E+05 Hazard Quotients-Adult-IHL Ad HQ-IhI unitless Ch-Spec -- 4.59E-04 4.59E-04 Hazard Quotients-Adult-Ing Ad HQ-Ing unitlas Chem-Spec 3.05E-01 2.11 E-04 3.05E-01 Hazard Quotients-Adult-Der Ad HQ-Der unitless Chem-Spec 4.64E+04 9.28E+02 4.73E+04 Hazard Index-Adult Ad HI unitless 4.73E+04 Carcinogenic Risks: Risk-Resident-IHL RISK-IHL unitless Chem-Spa 8.81E-06 NC 8.81E-06 Risk-Resident-ING RISK-ING unitless Ch-Spec 1.57E-04 NC 1.57E-04 Risk-Resident-DER RISK-DER unitlas Chem-Spa 5.47E-04 NC 5.47E-04 Total Risk Total RISK unitless - 7,12E-04 Dust concentrations conservatively estimated assunung that the ambient air particulate levels are equal to the National Ambient Air Standard for the annual average respirable portion (PM 10)of 50 ug/n3. a Dermal reference dose and cancer potency factor calculated by dividing respective oral CSF by dermal absorption factor and multiplying the oral RID by the dermal absorption factor (ABS)(U.S.EPA,1991) ' NC Not considered to be carcinogenic ChemSpec Chemical-specific parameter value. kg Kilograms. m/day Cubic meters Per day. mg/m' Milligrams Per cubic meter. r.jkg-day Milligram per kilograrr-day. ' (mg/kg-day)1 Reciprocal rnilligram per kilogram-day. ke,/mg Kilograms per milligrams -a/-r milligrans per square centimeter cmt square cmti=ty SOx1A 99-'__Ia Pine 1 or 1 1"9'99