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Work-Related Lung Disease Surveillance System (eWoRLD)

Silicosis: Respirable Cristobalite Exposures (Archive)

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Respirable cristobalite: Geometric mean exposures and percent exceeding designated occupational exposure limits, MSHA and OSHA samples, 1979-1999 Respirable cristobalite: Geometric mean exposures and percent exceeding designated occupational exposure limits, MSHA and OSHA samples, 1979-1999 (Ref.No. 2002T03-21; May 2003)
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