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TABLE C-2. AREA 15,MULTIMEDIA EXPOSURE PATHWAY LVALUATION,LANDSCAPE MAINTENACE WORKER SCENARIO <br /> NORTH SHORE PROPERTIES <br /> CITY OF STOCKTON HOUSING AND REDEVELOPMENT AGENCY <br /> STOCKTON,CALIFORNIA <br /> All <br /> Trimethyl- Trimethyl- Di-m-butyl Chemicals <br /> Acme Units Value TCE I benzene benzene Nainhalene oluthatate As of Concern <br /> Exposure Parameters: <br /> ( Soil Concentration Cs mg/kg Chcm-Spec -- - 4.45£-0I 4.10E+01 -- <br /> Particulate Concentration CS mg1m3 Chem-Spec 2.23E-08 2.05E-06 <br /> Groundwater Concentration C, mglL Chcm-Spec 3.60E-03 4.38E-02 6.77E-02 7.20E-03 <br /> Exposure point air concentration from groundwater' C. mglm3 Chcm-Spec 2.77E-06 LME-05 3.98E-05 6.31£-07 -- -- - <br /> IngestionRate-Adult Ad@7GR, mglday 480 -- -- -- -- -- -- "" <br /> Ingestion Conversion Fae3or OF kg/mg I.00E-06 -- -- -- -- -- -- <br /> Inhalation Rate-Adult Ad IR, m3/day 20 -- -- -- -- -- -" -" <br /> Skin Surface Ara-Adult Sm em, 3600 -- -- -- -- -- -- -- <br /> - <br /> Soil Adherence Factor,Adult AFA mg/emx D_2 -- -- -- -- -- -- <br /> Dermal Absorption Factor ABS unitless Chem-Spec 1.00E-01 IAOE-01 LOOE-01 1.50E-01 1.50E-01 3.00E-112 -- <br /> Dermal Conversion Factor CF kg/mg I.00E-06 "- <br /> ExposureFrequency-Adult Ad EF days/year 250 <br /> Exposure Duration.Adult Ad ED years 25 <br /> Body Weight-Adult Ad BW kg 70 -- -- -- -- -- -- "- <br /> AveragingTime-Noncarcinogenic-Adult Ad Ata days 9125 -- - -- -- -- -- "" <br /> Averaging Time-Carcinogenic At_ days 25550 -- -- -- -- - -- <br /> Chronic Daily Intakes: <br /> GW Inhalation-Noncareinugenic-Adult GWAd IHL CDI„ mg/kg-day Chem-Spec 5.41E-07 3.62E-06 7.79E-06 1.23£-117 - -- - <br /> - <br /> GWingestion-Noncaminogenie-Adult GSVAdING CDI, mg/kg-day Chem-Spec -- -- -- -- -- -" "" - <br /> GW Dermal-Nonearcinogenic-Adult GWAd DER CD),, mg/kg-day Chem-Spec -- -- -- -- - -- - <br /> - <br /> Soillnha€ation-Noncarcinogenie-Adult SoiIAdINHCDI„r mgtkg-day Chem-Spec -- -- -- -- 4.35E-09 4.01E-07 <br /> Soil ingestion-Noncarcinugemic-Adult SoilAdINGCDla mg/kg-day Chcm-Spec -- -- = -- 2.09E-06 1.93E-04 <br /> Soil Dermal-Nancarcinogenic-Adult SoiIAdDERCDI„ mg/kg-day Chem-Spec 4.70E-07 8.67E-06 <br /> GWInhalation-Carcinogenic-Adult GWAdIHLCDIe mg&g-day Chem-Spec 1-93E-07 NC NC NC NC -- - <br /> - <br /> GWIngestion-Carcinogenic-Adult GWAd[NGCDIc mglkg-day Chem-Spec _ <br /> GW Demral-Carcinogenic-Adult GWAd DER CDlc mg1kg-day Chem-Spec <br /> Soillnhalation-Carcinogenic-Adult SoilAdINHCDI€ mg/kg-day Chcm-Spec 1.43E-07 <br /> Soil Ingestion-Carcinogenic-Adult SoilAd[NGCDI, mg/kg-day Chem-Spec -- -- -- -- - 6.88E-05 - <br /> - <br /> SoiiDemtal-Carcinogenic-Adult SoilAdDERCDI,� mg/kg-day Chem-Spec - -- -- -- -- 3.09E-06 -- <br /> Toxicity Criteria: Vt -- <br /> rifiedReferenceDose-EHL m <br /> R1D-Enh g/kg-0ay Chem-Spec 6.00E-03 1.70E-03 1.70E-0370E-03 8.60E-04 1.00E-01 - <br /> VetifredReferenceDose-ING Rm-;ng mg/kg-day Chum-Spec 1.00E-01 3.00E-04 <br /> Verified Reference Dcsc-DERt RID-Der mgft-day Chem-Spec -- - -- -- LSOE-02 9.00E-06 - <br /> - <br /> CancerSlopeFactor-IHL CSF-Inh (mgft-day)' Chem-Spec 1.00E-02 NC NC NC NC 1.50E+01 - <br /> - <br /> CancerSlopeFactor-ING CSF-Ing (mg/kg-dayy' Chcm-Spec - -- -- NC I.5DE+00 -- <br /> Cancer-Slope Factor-DER' CSF-Der (mg/kg-dayy' Chem-Spec NC 5.00E+01 <br /> Noncarcinogenic Hazards: <br /> GW Hazard Quotients-Adult-IHL GNV Ad HQ-Ihl unitless Chcm-Spec 9.02&05 2.13E-03 4.58E•03 1.44E-04 -- -- 1.03E-02 <br /> GW HazardQuo€ients-Adult-Ing GW Ad HQ-Ing un€/less Chcm-Spec -- -- -- -- -- -- <br /> GWHazardQuo6cnts-Adult-Der GW Ad HQ-Per umitless Chcm•Spec -- -- -- -- = -" - <br /> GWHazardlndex-Adult GW Ad HI unitless €.03E-02 <br /> Soil Hazard Quotient.Adult-IIiL Soil Ad HO-110 unitless Chem-Spec -- -- 435E-08 4.35E-08 <br /> Soil Hazard Quotient-Adult-Ing Soil AdHQ-Ing unitless Chem-Spec -- -- -- -- 2.09E-05 6.42E-01 6.42E-0€ _ <br /> Soil Hazard Quotient-Adult-Der Soil AdHQ-Der unitless Chem-Spec -- -- - -- 3.14E-05 9.63E-01 9-63E-01 <br /> Soil Huard Index-Adult Soil Ad III unitless _ 1.60E+110 <br /> Carcinogenic Risks: <br /> GW Risk-INH GW RISK-HIL unitless Chcm-Spec 1.93£•09 NC NC NC 1.05£-07 <br /> GW Risk-ING GW RISK-ING unitless Chcm-Spec <br /> GW Risk-DER GW RISK-DER unitless Chem-Spec -- -- -- - -- - <br /> GWTotal Risk GWTotal RISK unitless - 1.05Fr07 <br /> Soil Risk-INH Soil RISK-IHL unitless Chem-Sp" -- -- -- -- NC 2.15E-06 2.15E-06 <br /> Soil Risk-ING Soil RISK-ING unitless Chcm-Spec -- -- -- -- NC 1.03E-04 €03E-04 <br /> Soil Risk-DER Soil RISK-DER unitless Chem-Spec -- -- -• NC 6.19E-08 6.19E-08 <br /> Soil Total Risk Soil TotaIRISK unlliess __ 1.05E-04 <br /> 'Outdoor air concentration calculated by multiplying volatilization factor by chemical concentration in groundwater. <br /> `Dermal reference dose and cancer potency ractOr calculated by dividing respective oral CSF by dermal absorption tactor and multiplyii <br /> NA Not an applicable exposure pathway. <br /> NC Not considered to be carcinogenic <br /> Chem-Spec Chemical-specir€e parameter value. <br /> kg Kilograms. <br /> m'/day Cubic meters per day. <br /> mom Milligrams per cubic meter. <br /> mg/kg-day Milligrams per kilogram-day. <br /> (mg/kg-day)-' Reciprocal milligrams per kilogram-day. <br /> - kglmg Kilograms permilligrams <br /> & <br /> M&M, milligrams per square centimeter <br /> em, square centimeter - <br /> SOMA 99-?'I S Pagc+or" 1]:9.97 <br />