Area-level total airborne oxidants by exposure category
| Exposure category (sample n) | Median | Range |
|---|---|---|
| Referent vs exposed workers | ||
| Referent workplaces (n=13) | 85.3 | 68.1–92.4 |
| Total exposed workplaces (n=22) | 270.3 | 138.3–510.0 |
| Across exposure subcategories | ||
| Melting/alloying areas (n=10) | 271.3 | 210.7–310.7 |
| Fabricating areas (n=7) | 150.0 | 138.3–175.3 |
| Buffing/polishing areas (n=5) | 450.0 | 420.0–510.0 |
All units are expressed in parts per million total oxidants in that area. Each measure represents the average value of at least four measurements made (see Methods section).