TABLE IV.
Cumulative Exposure Scores for Chemical Agents and Classes among Potentially Exposed Workers
| Cumulative Exposure ScoreA |
||||||
|---|---|---|---|---|---|---|
| Exposure metric | Number of workers ever exposed |
25th Percentile | Median | 75th Percentile |
95th Percentile |
Maximum |
| Chemical Agents | ||||||
| Fiberglass | 5334 | 206 | 488 | 1272 | 5404 | 17104 |
| Lead | 9894 | 276 | 718 | 1900 | 6350 | 17726 |
| Methyl chloroform | 8035 | 342 | 880 | 2498 | 6964 | 17016 |
| Methylene chloride | 5017 | 322 | 810 | 2370 | 6430 | 14672 |
| Perchloroethylene | 4041 | 301 | 668 | 1596 | 6604 | 14804 |
| Trichloroethylene | 3113 | 362 | 794 | 1946 | 5112 | 13878 |
| Chemical Classes | ||||||
| Acid-base | 11252 | 328 | 774 | 2520 | 8834 | 20628 |
| Aromatic | 5448 | 279 | 668 | 1640 | 5456 | 16320 |
| hydrocarbons | ||||||
| Chlorinated | 10197 | 354 | 974 | 2974 | 8084 | 17226 |
| hydrocarbons | ||||||
| Chlorofluorocarbons | 8832 | 304 | 726 | 2161 | 7346 | 18290 |
| Hydrocarbons, other | 15598 | 362 | 920 | 3068 | 9984 | 24106 |
| Metals | 11633 | 310 | 748 | 2268 | 7728 | 17726 |
| Exposure Groups | ||||||
| Chemicals (general) | 24290 | 376 | 1230 | 4196 | 10544 | 24106 |
A
The number of workers ever exposed to each agent and class are summarized. The total number of workers in the study was 34,494.