I am trying to determine what kind of flow rate is reasonable for locally exhausting (likely with slotted hood at the perimeter) a table used for sorting household hazardous wastes at a public 'eco station'. The only value I have come across is from the ACGIH design manual at 50-100 CFM/sq.ft of table area but this yields an extremely high exhuast volume for a large table. Does anyone have any experience with something like or similar to this? Any advice would be appreciated.
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