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HEALTH AND HAZARD RISKS SUMMARY FILE, MW-10 <br /> Title Flag city soil Source to Mw-10 <br /> 09/08/05 16 05 <br /> scenarios <br /> ild Resident - 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 Soil /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 /> Kat [(mg/1)/mg/1)] (from chemica database) <br /> MTBE 12 12 <br /> log Kow (from chemical database) 1 3 1 3 <br /> vegetable Uptake Factor [-] (from chemical database) <br /> MTBE ND NO <br /> Kd [(mg/L)/(mg/kg)] (from chemical database) <br /> MTBE ND NO <br /> INGESTION OF GROUNDWATER <br /> Ingestion rate (1/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 /> ingestionE f water (-) 1 0 1 0 <br /> DERMAL CONTACT DURING SHOWER <br /> Total skin surface Area (cmn2) 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 IOE-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 <br /> 01000 <br /> Droplet Diameter cm) <br /> Shower Droplet. Droptime (s) 2 00 2 00 <br /> Expp Time For washing Indoors[hr/d] 0 200 0 200 <br /> Inhal Mate 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 /> • 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 />