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'TABLE C-4.AREA 15, INHALATION EXPOSURE PATHWAY EVALUATION <br /> RESIDENTIAL SCENARIO <br /> NORTH SHORE PROPERTIES <br /> CITY OF STOCKTON HOUSING AND REDEVELOPMENT AGENCY <br /> STOCKTON,CALIFORNIA <br /> Bromodichl 1,2- trans-1,3 1,2,4- 1,3,5- All <br /> Ethyl- oro- a-Butyl sec-Butyl tert-Baty! Dichloroben €,2-Dichloro Dichloro- Isopropyl- 4-Isopropyl-Methyl Ethyl n-Propyl Trimeihyl- Trimethyl- Chemicals <br /> Acronym Value Benzene Toluene benzene xylenes MTBE methane benzene benzene beazene Chloroform zene ethane propene benzene toluene' Ketone benzene Sl ene PCE TCE benzene benzene Naphibalenc of Caneern <br /> Exposure parameters: <br /> Groundwater Concenlmtion C, mg/L Chem-Spec 2.33E-02 8.60E-04 2.80E-02 1.20E-02 L50E-03 9.00E-04 3.00E-03 9.00E-03 1.20E-02 3.00E-03 3.40E-03 1.30E-03 1.30E-03 1.65E-02 4.70E-03 1.20E-03 1.96E-02 9.00E-04 7.40E-03 3.60E-03 4.38E-02 6.77E-02 7.20E-03 <br /> Indoor Air Concentration' C. mglm3 Chem-Spec 266E-05 1.76E-07 3.91E-05 1.05E-06 1.26E-07 2.72E-07 3.62E-09 7.44E-07 6.78E-07 1.80E-06 1.56£-09 3.35E-07 8.56E-08 1.87E-05 5.32E-06 2.37E-10 2.22E-05 1.02E-06 5.52E-07 6.49E-06 4.34E-05 9.34E 05 3,48E-06 _ <br /> _ Inhalation Rate-Child Ch IR, mslday 15 -- -- -- -' -- -- -- -- -- -- - -- `- -- -- _- - -- -- -- -- <br /> inhalation Rate-Adult Ad IR, m`/day 20 - <br /> 1 Exposure Frequency-Child Ch EF days/year 350 -- <br /> Exposure Frequency-Adult Ad EF days/year 350 <br /> €€ Exposure Duration-Child Ch ED years 6 - - -- - -- -� - -- -- -- -- -- - _- <br /> Exposure Duration-Adult ED years <br /> Body Weight-Child Ch Ch BW kg 15 15 <br /> Body Weight-Adult Ad BW kg 70 _- <br /> Averaging Time-Nonearcinogenic-Child Ch At_ days 2190 f <br /> Averaging Time-Noncarcinogenic-Adult Ad Ato days 8760 - <br /> - <br /> AveragingTime-Carcinogenic At.. days 25550 -- -- -- -- -' -' -- - -- -- -� -- - - -- -- _- -- -_ -- <br /> Chronic Daily Intakes: <br /> Nonearcinogenic-Child Ch CDI_ mg/kg-day Chem-Spec 2.55E-05 1.69E-07 3.75E-05 1.01E-06 1.21E-07 2.60E-07 3.47E-09 7.13E-07 6.50&07 1.73E-06 3.50E-09 3.21E-07 8.21E-08 1.79E-05 5.10E-06 2.27E-10 2.13£-05 9.76E-07 529E,07 6.22E-06 4.16E-05 8.95E-05 3.42E-06 <br /> Nonearcinogenic-Adult AdCDI,. mg/kg-day Chem-Spec 7.27E-06 4.84E-09 10.7E-05 2.88E-07 3.45E-08 7.44E-08 9.91E-10 2.04E-07 3.86E-07 4.93E-07 4.25E-10 9.17E-08 2.34E-08 5.11E-06 1.46E-06 6.49E-11 6.07E-06 2.79E-07 1.51E-07 1.78E-06 1.19E-05 2.56E-05 4.05E-07 <br /> Carcinogenic-Child ChCDIc mg/kg-day Chem-Spec 2.18E-06 -- - -- -- 233E-08 -- -- 1.48E-07 -- 7.03E-09 -- -- -- -- - 4.53E-09 5.33E-07 - -- -- '- <br /> Carcinogenic-Adult AdCDIc rnglkg-day Chem-Spec 2.49E-06 -- -- - -- 2.55E-08 -- -- -- 1.6911-07 -- 8.04E-09 -- -- - -- 5.18E-09 6.09E-07 -- v <br /> Carcinogenic Resident ResCDk mg/kg-day Chem-Spec 4.68E-06 -- -- -- -- 4.78E-08 - -- -- 3.17E-07 -- 3.51E-08 -- -- -- - -- 9.71E-08 1.14E-06 -- -- <br /> Toxicity Criteria' <br /> VerifledRefcrcoceDose RID mg/kg-day Chem-Spec 1.70E-03 1.10E-01 290£-01 2.00&01 8.60E-01 2.00E-02 1.00E-02 €.0011-02 1.00E-02 8.60E-05 5.70E-02 3.4E-03 5.70E-03 1.10E-01 1.10E-01 2.90E-01 1.00E-02 2.90E-0] LkOE-01 fi.WE-03 1.70E-03 3.70E-03 2.00E-02 <br /> Cancer Slope Factor-lHL CSF-lnh (mg/kg-dayy' Chem-Spec 1.00E-01 NC NC NC NC 1.30E-01 NC NC NC 1.90E-02 NC 9.1E-D2 9.10E-02 NC NC NC NC NC 2.10E-02 1.00E-02 NC NC NC <br /> Nonearcinogenic Hazards: <br /> Hazard Quotients-Child Ch HQ unitless Chem-Spec 1.50E-0Z 1.54E-06 1.29E-04 5.03E-06 1.91 E-07 1.30E-01 3.47E-07 7.13E-05 6.50E 05 2.01E-02 2.63E-08 2.29E-04 1.44&05 1.63E-04 4.63E-05 7.83E-10 2.13E-03 3.37E-06 4.SIE-06 1.04E-03 2.45E-02 5.27E-02 7.118E-05 1.16E-01 <br /> 1.16E-01 <br /> Hazard Index-Child Ch HI unitless <br /> Hazard Quotients-Adult Ad HQ unitlem Chem-Spec 4.28E-03 4.40E-07 3.69E-05 1.44E-06 4.02E-08 3.72E-06 9.91E-09 2.04E-05 1.66E-05 5.74E-03 7.51E-09 6.55E-05 4.11E-06 4.65E-05 I.3213-05 2.24E-10 6.07E-04 9.62E-07 3.37E-06 2.96E-04 7.00E-03 1.50E-02 20.2E-05 3.32E-02 <br /> 3.32E-02 <br /> Hazard index-Adult Ad III unitless <br /> Carcinogenic Risks: -_ 6.40E-€0 -- -- - - 9.52E-IO 5.33E-09 -- -- -- 2.31E-07 <br /> Risk-Child Risk-Ch unitless Chem-Spec 2.18E-07 -- -- -- - 2.90E-09 -- -- -- 2.SIE-09 <br /> Risk-Adult Risk-Ad unitless Chem-Spec 2.49E-07 -- -- -- -- 3.32E-09 -- - -- 3.21E-09 - 7.32E-10 -- -- -- -- 1.09E-09 6.09E-09 -- -- - 2.64E-07 <br /> 4.95E-67 <br /> Risk-Resident Risk-Res unllless - <br /> C t Isopropyl benzene used as surrogate for verified reference dose. <br /> = Indoor air concentration calculated by multiplying volatilization factor by chemical concentration in groundwater. <br /> NC Not considered to be carcinogenic via inhalation exposures. <br /> Chem-Spec Chemical-specific parameter value. <br /> kg Kilograms. <br /> : m3/day Cubic meters per day. <br /> r <br /> mglm Milligrams pereubic meter. <br /> € mg/kg-day Milligrams per kilogram-day. <br /> (rng/kgAay)'Reciprocal milligrams per kilogramvday. <br /> i <br /> 1 <br /> q� <br /> l <br /> $Uh1A 99-2-'18 Pat,I of l t219199 <br />