Table 1 Levels of dust and metals in air during different AM tasks.

From: Health hazards of particles in additive manufacturing: a cross-disciplinary study on reactivity, toxicity and occupational exposure to two nickel-based alloys

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

  1. TWA-OEL time weighted average occupational exposure limit (Swedish), ST stationary measurement, PS personal sampling.
  2. *There is no Swedish TWA-OEL for total dust.
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