Table 1.
Characteristics of Subjects and Exposure Conditions
| Subjects | Age (years) | Gender | Race Codesa | Exposure Conditions (mg/m3) |
|||
|---|---|---|---|---|---|---|---|
| Baselineb | OS | DE | Time (min.) | ||||
| 01 | 26 | M | 1 | 0.01 | 0.46 | 1.20 | 60 |
| 02 | 33 | M | 4 | 0.01 | 0.00 | 0.64 | 66 |
| 03 | 19 | M | 1 | 0.01 | 1.52 | 1.80 | 56 |
| 04 | 21 | M | 1 | 0.01 | – | 0.75 | 134 |
| 05 | 22 | M | 1 | 0.01 | 1.20 | 0.50 | 134 |
| 06 | 23 | M | 1 | 0.01 | – | 0.38 | 119 |
| 07 | 21 | F | 1 | 0.01 | 0.00 | 0.32 | 85 |
| 08 | 19 | M | 1 | 0.01 | 0.09 | 0.12 | 85 |
| 09 | 30 | M | 2 | 0.01 | 0.00 | 0.38 | 93 |
| 10 | 26 | M | 3 | 0.01 | 0.00 | 0.15 | 66 |
| 11 | 22 | M | 2 | 0.01 | 0.03 | 0.09 | 90 |
a
Race codes: 1, White; 2, Hispanic; 3, Asian; 4, Others;
b
Two samples collected over a period of 66-68 minutes as baseline particulate background for all of subjects;
-Subject had no personal particulate exposure data due to handling.