8 0 tons of hospital ethanol boiler water tank

1926.57 - Ventilation. | Occupational Safety and Health ...

"Design and operation." Exhaust fans jets ducts hoods separators and all necessary appurtenances including refuse receptacles shall be so designed constructed maintained and operated as to ensure the required protection by maintaining a volume and velocity of exhaust air sufficient to gather dusts fumes vapors or gases from said equipment or process and to convey them to suitable ...

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