Skip to main content

Advertisement

Table 1 Crystalline silica exposure levels investigated by the KWCWS

From: Silica exposure and work-relatedness evaluation for occupational cancer in Korea

Industry Exposure levela Concentration (mg/m3)
Mining High/Medium 0.054 (rock drilling)
0.027 (coal face mining)
Foundry work High/Medium 0.028
0.233 (factory using sand sprayer)
Construction High/Medium 0.399 (concrete grinding)
0.042 (stone laying work)
Stone quarrying High 0.060
Stone processing High 0.796 (dry process)
0.067 (wet process)
Ceramics Medium 0.028 (diatomaceous earth)
Briquetting Medium 0.048
Calcium carbonate manufacturing Medium 0.038
Paint manufacturing Low 0.007
Horse racetrack (horse training) Low 0.018
Subway work Low 0.006
Agriculture Low 0.014 (potato cultivation)
  1. aHigh (> 0.05 mg/m3), medium (0.025 < and < 0.05 mg/m3) Low (< 0.025 mg/m3)