Two Cases of Lung Cancer in Foundry Workers

Table 1 Exposure assessments of crystalline silica, chrome, manganese, and iron

	Crystalline silica (mg/m ³)		Chromium (mg/m ³)	Manganese (mg/m ³)	Iron (mg/m ³)
	Respirable quartz	Respirable cristobalite	Chromium (mg/m ³)	Manganese (mg/m ³)	Iron (mg/m ³)
Shot blast 1	0.412	<LOD
Shot blast 2	0.153
Grinding (fettling) 1	0.161		0.007	0.013	0.995
Grinding (fettling) 2	0.281		0.013	0.003	0.105
Auto-molding	0.250	<LOD	0.005	0.003	0.103
Forklift truck	0.223		0.006	0.007	0.608

ISSN: 2052-4374