ARCHIVED REPORTS_SITE CHARACTERIZATION REPORT 1999

Home Browse Search

I I E TABLE D-4.AREA 16, INHALATION EXPOSURE PATHWAY EVALUATION RESIDENTIAL SCENARIO NORTH SHORE PROPERTIES CITY OF STOCKTON HOUSING A144D REDEVELOPMENT AGENCY S"TOCKTON,CALIFORNIA 1,2,4- 1,3,5- All IE Ethyl- n-Butyl sec-Butyl Chloro- 1,2-Dichloro Isopropyl- 4-Isopropyl- n-Propyl Trimelhy€- Trimelhy€- Vinyl Chemimis Acronym Value Benzene Toluene benzene Xylenes DIPE benzene benzene ethane ethane benzene toluene, benzene henzene benzene Atetate Na 1balene of Concern Exposure Parameters: Groundwater Concentration C. mg/L Chem-Spec 3.59E+00 1.26E+01 1.10E+00 632E+00 €.OSE-OI 1.1 IE-01 1.07E-01 1.07E-01 LIGE-01 1.12E-01 2.40E-03 130E-01 9.54E-01 L3IE-01 2.22E-0€ 2.17E-01 -- - Indoor Air Concentration, C. mem' Chem-Spec 4.09E-03 2.58E-03 1.53E-03 5.53E-04 -- 1.34E-07 8.84E-06 2.89E-04 2.83E-05 1.27E-04 2.71E-06 1.47E-0.1 9.45E-04 2.49E-04 5.67E-07 1.90E-05 -- ' Inhalation Rate-Child Ch Ent, 1113lday €5 Inhalation Rate-Adult Ad IR, m'lday 20 Exposure Frequency-Child Ch EF dayclycar 350 -- -- - -- - -- -- -- -- "" -" -" "- ExposureFrequency-Adu€t Ad EF dayslyear 350 Exposure Duration-Child Ch ED years 6 -- Exposure Duration-Adult Ad ED years 24 Body Weight-Child ChBW kg 15 - - BodyWeight-Adult Ad BW kg 70 -- -- j Averaging Time-Noncarcinogenic-Child Ch AI_ days 2190 Averaging Time-Noncarcinogenic-Adult Ad At_ days 8760 -- -- - -- -- Averaging Time-Carcinogenic At_ days 25550 -- -- -- -- Chronic Daily Inlakes: Noncareinogenic•Child ChCDI� mgd;g-day Chem-Spec 3.93E-03 2.47E-03 1.47E-03 5.30E-04 -- 1.28E-07 8.48E-06 2.77E-04 2.71E-05 1.21E-04 2.60E-06 1.41E-04 9.07E-04 2.39E-04 5.44M? 1.82E,435 - - Noncarcinogenic-Adult Ad CD], mg/kg-day Chem-Spec 1.12E-03 7.06E-04 4.19E-04 ISIS-04 -- 3.67E-08 2.42E-06 7,9€E-05 7.75E06 3.47E-05 7.44E-07 4.03E-05 2.598-04 6.82E-05 3.55E-07 5.20E-06 -- ` Carcinogenic-Child ChCDlc mglkg-day Chem-Spec 3.37E-04 -- - - -- 2.37E-05 -- - -- 2.71&05 -- -- -' -- -- -" Carcinogenic-Adu€! AdCDIc mg71g-day Chem-Spec 3.85E-04 -- -- -- -- -- '- Carcinogenic Resident ResCD4 mg/kg-day Chem-Spec 7.21E-04 -- 5.08E-05 -- -- -- - -- -- -` "- I! Toxicity Criteria f Verified Reference Dose RED mg/kg-day, Chem-Spec 1.70E-03 1.10E-01 2.90E-01 2.00E-0t -- 1.008-02 IME-02 8.60E-05 5.70E-02 €.€0E-01 .10E-01 LODE-02 1.70E-03 1.70E-03 5.70E-02 8.60E-14 -- i NC NC Cancer Slope Factor-EHL CSF-Inh (mg/kg-day)"' Chem-Spec I.00E-01 NC NC NC NC NC NC 2.90E-03 9.ioE-02 NC NC NC NC NC Noncarcirrogenic Hazards: f Hazard Quotients-Child Ch HQ unitless Chem-Spec 2.31E+00 2.25E-02 5.06E-03 2.65E-03 -- 1.28E-05 8.48E-04 3.22E+004.7612-04 1.10E-03 2.37E-05 1.41E-02 5.33E-01 1.40E-01 9.54E-06 2.128-02 6.27E+00 1 Hazard Index-Child Ch H[ unitless -- -- -- - -- -- -- - -- -- - -- -- -- - -- 6.27E+00 Hazard Quotients-Adult Ad HQ unit€ess Chem-Spec 6.60E-01 6.42E-03 1.45E-03 7.57E-01 - 3.67E-06 2.42E-04 9.20E-0I 1.36E-04 3.16E-04 6.76E-06 4.03F-03 1.52E-01 4.01E-02 2.72E-06 6.05E-03 1.79E+00 Haaard Index-Adult Ad IR tat"less _ 1.79E+00 Carcinogenic Risks: Risk-Chi€d Risk-Ch unilless Chem-Spec 3.37E-05 -- -- -- - -- -- 6-88E-08 -- -- -- -- -- -- 3.37E-05 j Risk-Adult Risk-Ad unitless Chem-Spec 3.85E-05 -- -- - -- -- -- 7.86E-08 -- -- 3.85E-05 Risk-Resident Risk-Res unitless 713E-05 Isopmpyl benzene rued as surrogate for verified referenee dose. 1 Indoor air concentration calculated by multiplying volati€izalion factor by chemical concentration in groundwater. NC Not considered lobe carcinogenic via inhalation exposures. Chem-Spec Chemical-specific parameter value. kg Kilograms. m3May Cubic meters per day. mg/m' Mi k0ams per cubic meter. mg/k&-day Milligrams per kilogram-day. (aWkR-day)-Reciprocal milligrams per kilogram-day. i I 9;99 S[)\IA 992318 Yarr:€of I