Table 10.
Exposure parameter assumptions for significant HD and VX breakdown products incorporated into SRCL assessment.
Parameter | Estimated airport average | Estimated airport maximum | Units |
ABSTDG | 0.009 | 0.009 | Unitless |
ABSEMPA | 0.084 | 0.084 | Unitless |
ABSMPA | 0.084 | 0.084 | Unitless |
ABSEA2192 | 0.0 | 0.0 | Unitless |
DF trans child TDG | 70 | 420 | cm2/day |
DF trans child EMPA | 70 | 420 | cm2/day |
DF trans child MPA | 70 | 420 | cm2/day |
DF trans child EA2192 | 1.98 | 11.9 | cm2/day |
FTSHSh TDG | 0.5 | 0.5 | Unitless |
FTSHSh EMPA | 0.5 | 0.5 | Unitless |
FTSHSh MPA | 0.5 | 0.5 | Unitless |
FTSHSh EA2192 | 0.0018 | 0.0018 | Unitless |
FTSHSs TDG | 0.1 | 0.1 | Unitless |
FTSHSs EMPA | 0.1 | 0.1 | Unitless |
FTSHSs MPA | 0.1 | 0.1 | Unitless |
FTSHSs EA2192 | 0.0152 | 0.0152 | Unitless |
FTSBSh TDG | 0.25 | 0.25 | Unitless |
FTSBSh EMPA | 0.25 | 0.25 | Unitless |
FTSBSh MPA | 0.25 | 0.25 | Unitless |
FTSBSh EA2192 | 0.0009 | 0.0009 | Unitless |
FTSBSs TDG | 0.05 | 0.05 | Unitless |
FTSBSs EMPA | 0.05 | 0.05 | Unitless |
FTSBSs MPA | 0.05 | 0.05 | Unitless |
FTSBSs EA2192 | 0.0076 | 0.0076 | Unitless |
IF trans TDG | 85.5 | 513 | cm2/day |
IF trans EMPA | 85.5 | 513 | cm2/day |
IF trans MPA | 85.5 | 513 | cm2/day |
IF trans EA2192 | 2.4225 | 14.5 | cm2/day |
OF trans TDG | 16.7 | 100.2 | cm2/day |
OF trans EMPA | 16.7 | 100.2 | cm2/day |
OF trans MPA | 16.7 | 100.2 | cm2/day |
OF trans EA2192 | 0.47 | 2.839 | cm2/day |
RfD est. subchron TDG | 4.00E+00 | 4.00E+00 | mg TDG/kg/d |
RfD est. subchron EMPA | 2.80E-01 | 2.80E-01 | mg EMPA/kg/d |
RfD est. subchron MPA | 2.00E-01 | 2.00E-01 | mg MPA/kg/d |
RfD est. subchron EA2192 | 2.00E-06 | 2.00E-06 | mg EA2192/kg/d |
RfC est. subchron TDG | 4.70E+00 | 4.70E+00 | mg TDG/m3 |
RfC est. subchron EMPA | 3.40E-01 | 3.40E-01 | mg EMPA/m3 |
RfC est. subchron MPA | 2.40E-01 | 2.40E-01 | mg MPA/m3 |
RfC est. subchron EA2192 | 0.00E+00 | 0.00E+00 | mg EA2192/m3 |
Variables: See footnote to Table 9.