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RISK AND HAZARD INPUT-OUTPUT SUMMARY, AREA II <br /> Title MTBE IMPACTS TO MW-10 FROM AREA II <br /> 09/09/05 10 37 <br /> enarios <br /> ldResident - RME <br /> ult 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 (kg) 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 soilg/g 5 000E-02 5 000E-02 <br /> Exp Frequency veg (events/year) 350 350 <br /> Exp Duration Veg Intake (years) 6 00 30 0 <br /> Fractionggrown in home garden (-) 0.250 0 250 <br /> KOC [(mg/1)/mg/1)3 (from 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)/(mg/kg)] (from chemical database) <br /> MTBE ND ND <br /> INGESTION OF GROUNDWATER 1 00 2 00 <br /> Ingestion rate (1/day) <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 10 10 <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 lOE-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 /> volume of Bathroom (MA3) 3 00 3 00 <br /> Temperature of Shower water (C) 48 0 48 0 <br /> Shower Flow Rate (1/min) 10 0 10 0 <br /> Droplet Diameter (cm) 0 100 0 100 <br /> shower Droplet Droptime (s) 2 00 2 00 <br /> Exp Time For washing Indoors[hr/d] 0 200 0 200 <br /> in al Rate in the Shower (MA3/hr) 0 600 0 625 <br /> Lung Retention Factor (-) 1 00 1 00 <br /> Exp Freq Groundwater (events/year) 350 350 <br /> Exp Duration Groundwater (years) 6 00 30 0 <br /> Absorption Adjustment Factor for <br /> Inhalation (-) <br /> ,MTBE 1 0 1 0 <br /> i Henry"s Law Constant (-) <br /> MTBE 2 04E-02 2 04E-02 <br /> Molecular Weight (g/mole) <br /> MTBE 88 88 <br /> Page 1 <br />