Research Article

Modeling the Human Kinetic Adjustment Factor for Inhaled Volatile Organic Chemicals: Whole Population Approach versus Distinct Subpopulation Approach

Table 4

Distribution statistics of various dose metrics in each subpopulation based on 100,000 Monte Carlo iterations and the entire Canadian populations for constant inhalation exposure.

Subpopulation
 Statistics
Dose metrics
Benzene1,4-Dioxane
CAssRAMCAssRAM

Adults
 1st percentile0.7635285531
 Median1.0446763806
 99th percentile1.366221191291
Neonates
 1st percentile0.8820682371
 Median1.26392299686
 99th percentile1.765564861149
Infants
 1st percentile0.833420526
 Median1.11451150787
 99th percentile1.446029281246
Toddlers
 1st percentile0.7935382534
 Median1.0847968804
 99th percentile1.386020991271
Children and adolescents
 1st percentile0.7735352538
 Median1.0447774814
 99th percentile1.356117441293
Elderly
 1st percentile0.7635286530
 Median1.0446766807
 99th percentile1.376221441291
Pregnant Women
 1st percentile0.8541372673
 Median1.16559951050
 99th percentile1.497326981686
Canadian population
 1st percentile0.7635299533
 Median1.0447779808
 99th percentile1.366321391306

CAss: blood concentration of parent compound (μg/L); RAM: rate of metabolism (μg/h-L of liver).