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dust exposure of stone grinding mill workers assessment

dust exposure of stone grinding mill workers assessment

Mar 01, 2005· Geometric mean airborne silicaexposurelevels forworkerswith the job title “grinder” went down by 28.6%, from 0.105 mg/m 3 to 0.075 mg/m 3. Furthermore, silicaexposurelevels forworkerswith the job title “reline cupola” decreased more than 5.7 times, from 0.384 mg/m 3 in 1979–1987 (Stewart and Rice 1990) to 0.067 mg/m 3 in

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