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Cal Osha Silica Rule In Tuban

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Respirable Crystalline Silica Standards

What is the permissible exposure limit PEL for respirable crystalline silica? The PEL for respirable crystalline silica is 50 micrograms per cubic meter gM 3 of air. This is the maximum concentration of respirable crystalline silica in air, as an eighthour timeweighted average, to

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