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occupational dust exposure of fluorite grinding mill worker

occupational dust exposure of fluorite grinding mill worker

Occupational exposure to these fluids has resulted in various cancers, respiratory diseases, and skin problems. There is evidence of impaired health at levels well below the Permissible Exposure Limit (PEL) for oil mists (5 mg/m3 time weighted average (TWA)) and the nuisance dust exposure limits applicable to all other machining fluids (15 mg ...

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