Mich. Admin. Code R. 325.2436 - Exhaust ventilation systems
Rule 36. The minimum rate of exhaust ventilation for places of manufacturing, processing, assembling, maintenance and repair, or storage of material shall be 1 cubic foot of air per minute per square foot of floor area. This amount of exhaust ventilation may be provided by local exhaust, general exhaust, or both. The director may permit a variance if contaminant control can be accomplished at a lesser rate of ventilation.
Notes
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