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RISK AND HAZARD INPUT-OUTPUT SUMMARY, AREA II <br /> INGESTION OF IRRIGATION WATER <br /> Ingestion rate (ml/hr) 50 0 50 0 <br /> Exp Freq Irrigation (events/year) 150 150 <br /> Exp Duration Groundwater (years) 6 00 30 0 <br /> Absorption Adjustment Factor for <br /> ingest�nBe f water (-) 1 0 1 0 <br /> INHALATION OF GW SPRAY <br /> width of Sprinkler spray (m) 9 00 9 00 <br /> Height of Breathing zone (m 2 00 2 00 <br /> Average Windspeed (m/s) 2 25 2 25 <br /> Temperature of irrigation water (C) 25 0 25 0 <br /> Sprinkler Flow Rate (1 min) 50 0 s0 0 <br /> Droplet Diameter Sprinkler (cm) 0 200 0 200 <br /> Droplet Droptime for Sprinkler (s) 5 00 5 00 <br /> Time in Sprinkler (hour/day) 2 60 2 00 <br /> Inhal Rate outdoors (MA3/h r) 0 830 0 830 <br /> Lung Retention Factor (-) 1 00 1 00 <br /> Exp Freq Irrigation (events/year) 150 150 <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 /> DERMAL CONTACT WITH IRRIG WATER <br /> Total skin surface Area (cmA2) 7 280E+03 2 300E+04 <br /> Fraction skin Exposed to water ((-) 0 500 0 560 <br /> Time in Irrigation Water (hour/da ) 2 60 2 00 <br /> Exp Freq Irrigation (events/year) 150 150 <br /> Exp Duration Groundwater (years) 6 00 30 0 <br /> Dermal Permeability Coefficient (cm/hour) <br /> MTBE 3 IOE-03 3 lOE-03 <br /> • Absorption Adjustment Factor for <br /> Dermal Exposure to Water (-) <br /> MTBE 1 0 1 0 <br /> INHALATION OF INDOOR AIR <br /> Inhalation rate (MA3/hr) 0 625 0 830 <br /> Time indoors (hours/day)) 24 0 24 0 <br /> Lung Retention Factor (-) 1 00 1 00 <br /> Exp Freq indoor Air (events/yr) 350 350 <br /> Exp Duration Indoor Air (yr) 6 00 30 0 <br /> Absorption Adjustment Factor for <br /> Inhalation (-) <br /> MTBE 1 0 1 0 <br /> MEDIA CONCENTRATIONS <br /> -------------------- <br /> Concentration in Groundwater (mg/L) <br /> obtained from Fate and Transport output <br /> AVERAGE Concentration Cover exposure duration) <br /> (used to calculate carcinogenic risk) <br /> Exposure Duration (years) 6 0 30 <br /> KTBE 1 07E-03 1 07E-03 <br /> Concentration used to calculate hazard index <br /> (Averaged over 7 years or exposure duration, if less than 7 years) <br /> Exposure Duration (years) 6 0 7 0 <br /> MTBE 1 07E-03 1 07E-03 <br /> Conc in Irrigation water (mg/L) <br /> - This will be the same as groundwater cont <br /> obtained from Fate and Transport output <br /> AVERAGE Concentration Cover exposure duration) <br /> (used to calculate carcinogenic risk) <br /> Exposure Duration (years) 6 0 30 <br /> MTBE 1 07E-03 1 07E-03 <br /> Concentration used to calculate hazard index <br /> (Averaged over 7 years or exposure duration, if less than 7 years) <br /> Exposure Duration (years) 6 0 7 0 <br /> MTBE 1 07E-03 1 07E-03 <br /> �ncentration in indoor Air (mg/MA3) <br /> obtained from Fate and Transport output <br /> AVERAGE Concentration Cover exposure duration) <br /> (used to calculate carcinogenic risk) <br /> Exposure Duration (years) 6 0 30 <br /> MTBE 2 92E-07 2 92E-07 <br /> Page 2 <br />