Thursday, February 28, 2019

粉塵處理問題

1. 必需可捕捉0.3 um 以上顆粒
2. 於每天8小時的工作期間,平均不可暴露超過 50 ug/m3 矽質粉塵環境

Ref.
1. Concrete International, Vol. 40, No.10, p.108
2. 29 CFR 1926.1153 Respirable Crystalline Silica Standard, Occupational Safety and Health Admistration (OSHA), Washington, DC.

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