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RISK AND HAZARD INPUT-OUTPUT SUMMARY, AREA I <br /> Title MTBE IMPACTS TO CSA WELL FROM AREA I <br /> x/12/05 15 16 <br /> Scenarios <br /> child Resident - RME <br /> Adult Resident - RME <br /> Routes: <br /> INGESTION OF GROUNDWATER <br /> DERMAL CONTACT DURING SHOWER <br /> INHALATION DURING SHOWER <br /> INGESTION OF IRRIGATION WATER <br /> INHALATION OF GW SPRAY <br /> DERMAL CONTACT WITH IRRIG WATER <br /> INGESTION OF VEGETABLES <br /> INHALATION OF INDOOR AIR <br /> chemicals. <br /> MTBE <br /> SCENARIO <br /> SUMMARY OF INPUT PARAMETERS 1 2 <br /> --------------------------------------------------------------------- <br /> LIFETIME AND BODY WEIGHT <br /> Body weight Ckg) 15.0 70 0 <br /> Lifetime (years) 70 0 70 0 <br /> INGESTION OF VEGETABLES <br /> ROOt Veg Ingestion Rate (g/day) 48 5 87 5 <br /> Above Ground Veg. Ing Rate(g/day) 55 8 127. <br /> Fraction Organic Carbon in Soil• /g 5 000E-02 5 000E-02 Exp. Frequency Veg (events/year 350. 350. <br /> Exp Duration Veg. Intake (years) 6 00 30 0 <br /> Fraction gg rown in home garden (-) 0.250 0 250 <br /> KOC [(mg/1)/mg/1)] Cfrom chemical database) <br /> MTBE 12 12. <br /> log KOw (from chemical database) <br /> MTBE 1.3 1 3 <br /> vegetable uptake Factor [-] (from chemical database) <br /> MTBE ND ND <br /> Kd [(mg/L)/Cmg/kg)] (from chemical database) <br /> MTBE ND ND <br /> INGESTION OF GROUNDWATER <br /> Ingestion rate C1/day) 1 00 2.00 <br /> Exp. Freq Groundwater (events/year) 350 350. <br /> Exp Duration Groundwater (years) 6.00 30 0 <br /> Absorption Adjustment Factor for <br /> Ingestion of water (-) <br /> MTBE 1 0 1.0 <br /> DERMAL CONTACT DURING SHOWER <br /> Total skin surface Area (cmA2) 7.280E+03 2 300E+04 <br /> Exp Time For washing Indoors[hr/d] 0.200 0 200 <br /> Exp Freq Groundwater (events/year) 350. 350 <br /> Exp Duration Groundwater (years) 6 00 30.0 <br /> Dermal Permeability Coefficient (cm/hour) <br /> MTBE 3 10E-03 3 lOE-03 <br /> • Absorption Adjustment Factor for <br /> Dermal Exposure to Water (-) <br /> MTBE 1 0 1 0 <br /> INHALATION DURING SHOWER <br /> Page 1 <br />