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BP RISC Model Outputs & Inputs- Aggregate Industries F Street Facility <br />Project Number 1001018 P!\RnGON <br />March I1, 2003 <br />Page 2 <br />Routes: <br />INGESTION OF GROUNDWATER <br />Chemicals: <br />Benzene <br />Ethylbenzene <br />Toluene <br />TPH Aliphatic C16-35 <br />Xylenes (mixed) <br />SUMMARY OF INPUT PARAMETERS <br />Lifetime And Body Weight <br />Body Weight (kg) 70.00 <br />Lifetime (years) 70,00 <br />Ingestion Of Groundwater <br />Ingestion rate (I/day) 2.00 <br />Exp. Freq Groundwater (events/year) 350.00 <br />Exp. Duration Groundwater (years) 24.00 <br />Absorption Adjustment Factor for Ingestion of water (-) <br />Benzene 1.0 <br />Ethylbenzene 1.0 <br />Toluene 1.0 <br />TPH Aliphatic C16-35 1.0 <br />Xylenes (mixed) 1.0 <br />MEDIA CONCENTRATIONS <br />Concentration in Groundwater (mg/1) <br />Obtained from Fate and Transport output <br />AVERAGE Concentration (over exposure duration) <br />(used to calculate carcinogenic risk) <br />Exposure Duration (years) 24. <br />Benzene 3.68E-03 <br />Ethvlbenzene 3.6 <br />Toluene 6.8 <br />TPH Aliphatic C16-35 .00 <br />Xylenes (mixed) 72. <br />