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Standar Silika Osha Baru

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Jan 03 2019 Adopted March 24 2016 Back story The standards currently in place have been in development by OSHA since the late 1990s and represent the first regulatory update on silica exposure in 45 years The dangers of occupational exposure to silica have been known since ancient Greece but gained considerable prominence in the US in the 1930s when a West Virginia hydroelectric project

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