ARCHIVED REPORTS XR0000697 - Laserfiche WebLink

Home Browse Search

RISK AND HAZARD INPUT-OUTPUT SUMMARY Exp Duration Groundwater (years) 6.00 30.0 Dermal Permeability Coefficient (cm/hour) MTBE 3 IOE-03 3.10E-03 Absorption Adjustment Factor for Dermal Exposure to water (-) MTBE 10 10 INHALATION OF INDOOR AIR Inhalation rate (mA3/hr) 0 625 0.830 Time indoors (hours/day) 24 0 24 0 Lung Retention Factor (-) 1.00 1 00 Exp Freq Indoor Air (events/yr) 350 350 Exp Duration Indoor Air (yr) 6 00 30 0 Absorption Adjustment Factor for Inhalation (-) MTBE 1 0 1.0 MEDIA CONCENTRATIONS - Concentration -in Groundwater (mg/L) obtained from Fate and Transport output AVERAGE Concentration (over exposure duration) (used to calculate carcinogenic risk) Exposure Duration (years) 6 0 30 MTBE 7 10E-04 7.10E-04 concentration used to calculate hazard index (Averaged over 7 years or exposure duration, if less than 7 years) Exposure Duration (years) 6 0 7 0 MTBE 7 10E-04 7 lOE-04 Conc. in Irrigation water (mg/L) - This will be the same as groundwater conc obtained from Fate and Transport output AVERAGE Concentration (over exposure duration) (used to calculate carcinogenic risk) Exposure Duration (years) 6 0 30 MTBE 7 lOE-04 7 10E-04 concentration used to calculate hazard index (Averaged over 7 years or exposure duration, if less than 7 years) Exposure Duration (years) 6.0 7 0 MTBE 7 10E-04 7.10E-04 Concentration in Indoor Air (mg/mA3) obtained from Fate and Transport output AVERAGE concentration (over exposure duration) (used to calculate carcinogenic risk) Exposure Duration (years) 6.0 30 MTBE 1 93E-07 1 93E-07 Concentration used to calculate hazard index (Averaged over 7 years or exposure duration, if less than 7 years) Exposure Duration (years) 6 0 7.0 MTBE 1 93E-07 1.93E-07 SLOPE FACTORS AND REFERENCE DOSES --------------------------------- Ingestion Slope Factor [1/(mg/kg-day)] MTBE 1 80E-03 1.80E-03 Ingestion Reference Dose (mg/kg-day) MTBE 0 86 0.86 • Inhalation slope Factor [1/(mg/kg-day)] MTBE 9 1.0E-04 9 10E-04 Page 3