ARCHIVED REPORTS_SITE CHARACTERIZATION REPORT 1999

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TABLE F-2.AREA 21, MULTIMEDIA PATHWAY EVALUATION FOR OUTDOOR LANDSCAPE MAINTENACE WORKER EXPOSURE NORTH SHORE.PROPERTIES CITY OF STOCKTON HOUSING AND REDEVELOPMENT AGENCY STOCKTON,CALIFORNIA 1,3,5- fl-Butyl Isopropyl- n-Propyl 1,2,4-Trimethyl Trimethyl- Benzo(b)- 8enzo(k)- AIIChemicals Acronym Units Value Benzene Toluene Eth Ibenzeue X Imes benzene benzene benzene benzene benzene Na€itha€ene Ouoran[kene iluoranthene Chrysene Fluoranthene Copper ofConcem Exposure Parameters: Soil Concentration Cs mg/kg Chem-Spec -- -- - -- -- -- -- -- -- - 3.34E-01 3.71E-O. 4.42E-01 3.96E-01 7.90E+02 -- s __ __ __ _- __ __ i b7E-06 1.86E-08 2.23E-OB 1.98E-08 3.95E-05 -- Particuiale Concentration Ca mglm Chem-Spec Groundwater Concentration C, mg1L Chem-Spec 1.98E+9Q 2.14E+00 7.90E-01 192E+00 3.24E-02 1.28E-01 2.04E-DI €.BIE+00 424E-OI 3.12E+00 Exposure point air concentration from groundwater' C. mg/n? Chem-Spec 9.63E-04 188E-04 4.70E-04 7.20E-05 7.80E-07 6.17E-05 9.84E-05 7.65E-04 2.49E-04 1.04E-04 Ingestion Rate-Adult Ad INGk rnyday 480 - -- -- -- __ ingestion Conversion Factor CF kgfmg 1.00E-06 _ Inhalation Rate-Adult Ad IR, o}lday 20 -_ - -- -- _- -- -- _ -- -- -- - -- Skin Surface Area-Adult SAa cm' 3600 Soil Adherence Factor-Adult AFA mglcm' 0.2 -- - Dermal Absorption Factor A13S Unitless Chem-Spec 3.00E-0l I.00E-Ol 1.00&01 1.00E-01 LOOE-01 1.00E-01 1.00E-0€ I OOE-01 1.00E-01 1.50E-0i 1.5013-01 1.50E-01 1.50E-01 1.50E-01 1.00E-02 -- Dermal Conversion Factor CF kpJmg 1.00E-06 - -- -- -- -- - _ _ -- Exposure Frequency-Adult Ad EF days/year 250 Exposure Duration-Adult Ad ED years 25 Body Weight-Adult Ad BW kg 70 -- -- Averaging Time-Noncarcincgenic-Adult Ad At, days 9125 -- -- -- - -- -- - -- -' "- - "" Averaging Time-Carcinogenic At-_ days 25550 -- -- - -- -- Chronic Daily Intakes: GWlnhalation-Noncarcinogenic-Adult GWAd IHLCDI, mg/kg-day Chem-Spec 1.89E-04 3.67E-05 9.20E-05 1.41E-05 1,53E-07 L21"5 1,93E-05 1.50E-04 4.8815-05 2.04E-05 GW Ingestion Noncarcinogenic Adult GWAd ING CDI, mg/kg-day Chem-Spec Gtv Dermal-Noncarc€nogenic-Adult GWAd DER CDI_ mg/kg-day Chem-Spec - Soil Inhalation-Noncarcinogenie,Adult SoiIAdINHCDI_ mg/kg-day Chem-Spec _ _ -- -- -- -- -- 3.87E-09 7.73E-06 Soil Ingestion-Noacareinogenic-Adult SoilAdINGCDI_ rgg/kg-day Chem-Spec -- -- -- - -- -- -- -- -- -- -- -- -- 1.86E-06 3.71E-03 Sail Dermal-Noncarcinagenic-Adult SoilAdDERCDI. rngfkg-day Chcm Spec - -- - -- 4.16E-07 5.57E-05 GWlnhalation-Carcinogenic-Adult GWAd IHLCDIC mg/kg-day Chem-Spec 6.73E-05 NC NC NC NC NC NC NC NC NC -- -- -- - -- -- GW Ingestion-Carcinogenic-Adult GWAd ING CDlc mg/kg-day Chem-Spec NC NC NC NC NC NC NC NC NC GW Dermal-Carcinogenic-Adult GWAd DER CDIe mg/kg-day ChenrSpm NC NC NC NC NC NC NC NC NC Soil Inhalation-Carcinogenic-Adult SoiIAdINHCDI, mg/kg-day Chem-Spec L37E-09 1.30E-09 154E-09 NC NC SoilIngestion-Carcinogenic-Adult Soi€AdiNGCD4 mg/kg-day Chem-Spec 5.60E-07 622E-07 7.41E-07 NC NC SailDermal-Carcinogenic-Adult SoilAdDERCD -da Chem-S - - - - -- 4.54E-04 2-0213-05 2.40E-05 NC NC Toxicity Criteria• @ -- _ -_ M1 €0-- -- _ _ _ _ __ Verified Reference Dose-EHL R -Inb mg/kg-day ChciwSpcc 1.70E-03 1.10E-01 2.90E-01 2.00E-01 0E-02 3.10E-01 1.00E-M 1.70E-03 1.70E-03 8.60E-04 4.00E-02 Verified Reference Dose-ENG RID-Ing ttrg/kg-day Chero-Spec _ 4.011E-02 3.70E-02 Verified Reference Dose-DER' R(D-Der mg/kg-day Chem-Spec -- 6.00E-03 3.70E-04 Cancer Slope Factor-IHL CSF-Inh (mg/kg-day)'' Chem-Spcc 1.00E-01 NC NC NC NC NC NC NC NC NC 3.901!01 3.9DE-01 3.96E-02 -- -- -- Canwr Slope Factor-ING CSF-Ing (mg/kg-day)-' Chem-Spec -- NC -- -- -- -- -- -- -- -- 1.20E+00 1.20E+00 1.20E-01 -- -- -- Cancer Slope Factor-DER' CSF-Der (mg/kg-day)' Chem,Spce - NC -- - -- -- -- -- -- 8.00E+00 8.00E+1I0 -- Noncarcinogenic Hazards: GW Hazard Quotients-Adult-IHL GW Ad HQ-Ihl unitless Chem-Spec 1.11E-01 3.34E-04 3.37E-04 7.04E-05 ' 1.53E-05 1.10E-04 1.93E-03 8.81 E-02 2.87E-02 2.37E-02 - u 2.54E-03 GW Hazard Quotients-Adult-Ing GW Ad HQ-Ing unitless Chem-Spec -- -- -- -' - �- -- - __ GW Hazard Quotients- -Der GW Ad unitless Chem-Spec == a -- -- - - f- -- =- -- - _- "- - E.542.5413-0191 aza GWHrd Index-Adolfult GWW Add HI Unitless Sot?Hazard Quotient-Adult-114L Soil Ad HQ-Ihl unitless Chem-S€ec 9.69E-08 9.69&08 Soil Hazard Quotient-Adult-Ing Soil Ad HQ-Ing unitk-ss Chem-Spec _ -- -- -- -- -- - - -- 4.65E-05 LOP-01 L00E-01 Soil Hazard Quotient-Adult-Der Soil Ad HQ-Der unitless Chem-Spec -- -- -- -- -- -- -- -- -- -- -- -- 6.97E-05 1.50E-01 i.50E<0k Soil Hazard Index-Adult Soil Ad HI unitless 2.S1Fr01 Carcinogenic Risks: __ __ GW Risk-INH GW RISK-IHL unitless Chcm-Spee 6.73E-06 NC NC NC NC NC NC NC NC NC -- - 6.73E-06 GW Risk-ING GW RISK-ENG unitless Chem-Spec - NC -- -- -- -- -- -- -- - -- __ GW Risk-DER GW RISK-DER uniticss Chem-Spec -- NC -- -- -- -- -- _ - GW Total Risk GW Total RISK unitlesses -- - -- -- - - -- -_ -- .- - 6.73E-06 Soil Risk-INH Soil RISK-IHL unitiChem-Spec 4.5513-10 5.46E-€0 6.02E-1 l 1.02E-09 Soil Risk-ING. Soil RISK-ING unitless Chem-Spec -- -- -- 6.72E-07 7.47E-07 8.90E-08 1.5111-06 Soil Risk-DER Soil RISK-DER Unitless Chem-Spec -- -- -- -- -- -- - -- -- 3.63E-03 1.61E-04 L92E-05 -- 3.8113-03 Soo Total Risk Sail To[al RISK uu3.81E-03itless i 'Outdoor air concentration calculated by multiplying volatilization factor by chem€cal concentration in groundwater. 'Dermal reference dose and cancer potency factor calculated by dividing respective oral CSF by dermal absorption factor and multiplying the oral Rm by dermal absorption factor(ABS)(U.S.EPA,1991) _ NA Not an applicable exposure pathway. f NC Not considered to be careinagenic J. Chem-Spec Chemical-specific parameter value. €P kg Kilograrns. m/day Cubic meters per day. mFfms Milligrams per cubic meter. mg/kg-day Milligrams per kilogram-day. (mg/kg-day)"' Reciprocal milligrams per kilagram-day. kg/ulg Kilograms per milligrams mg/cm' milligrams per square centimeter crrr' Square centimeter ( 12/9199 E WMA 99-22tr Page loll