Table 4.
Parameter ranges used in uncertainty analysis.
| Variable | Minimum | Maximum | References |
|---|---|---|---|
| Initial DEHP concentration in VF (C0, μg/m3) | 2.25 × 1011 | 6.0 × 1011 | Clausen et al. 2004,Deisinger et al. 1998 |
| Partition coefficient (Kvinyl/air) | 2.05 × 1011 | 5.45 × 1011 | — |
| Mass-transfer coefficient for flat surfaces (hm, cm/sec) | 0.03 | 0.29 | Huang et al. 2004, Lin et al. 2004 |
| TSP concentration (μg/m3) | 12 | 66 | Weschler et al. 2008 |
| Partition coefficient (Kparticle/air, m3/μg) | 0.22 | 0.28 | Naumova et al. 2003 |
| Partition coefficient (Kdust/air, m3/g) | 2,000 | 4 × 104 | Rudel et al. 2003, Weschler et al. 2008 |
| Inhalation rate (IR, m3/day) | 5 | 14.5 | Paustenbach 2000 |
| Exposure duration in main house (ED3, hr/day) | 12.6 | 18.1 | Cohen Hubal et al. 2000 |
| Skin surface area (SA, m2) | 0.59 | 1.7 | U.S. EPA 1997 |
| Overall skin permeability coefficient (P, cm/hr) | 56 | 1,035 | De Dear et al. 1997 |
| Daily intake rate of dust (DIR, mg/kg/day) | 1.03 | 10.3 | Wensing et al. 2005 |
| Body weight (kg) | 9.15 | 62.2 | U.S. EPA 1997 |
| Air exchange rate for three compartments (1/hr) | 0.1 | 1.1 | Wallace et al. 2002 |
| VF area in kitchen (A1vinyl, m2) | 11.9 | 47.6 | Hodgson et al. 2005 |
| VF area in bathroom (A2vinyl, m2) | 5.1 | 20.4 | Hodgson et al. 2005 |
| VF area in main house (A3vinyl, m2) | 2.56 | 44.8 | Hodgson et al. 2005 |
—, no references available.