Table 1.
Levels of dust and metals in air during different AM tasks.
| Sampling location | Total dust* (mg/m3) |
Inhalable dust (mg/m3) | % TWA-OEL Inhalable dust |
|---|---|---|---|
| ST EOS M 290 Printer: printing IN939 | < 0.01 | 0.17 | 3 |
| PS AM operator: printing IN939 | 0.09 | 0.06 | 1 |
| PS AM operator: sieving HX | 0.13 | 1.32 | 26 |
| PS Post-process operator: sawing, grinding | 0.04 | < 0.03 | < 1 |
TWA-OEL time weighted average occupational exposure limit (Swedish), ST stationary measurement, PS personal sampling.
*There is no Swedish TWA-OEL for total dust.