Adds some occupancy categories to the ventilation rate table (Table 6-1) and revises ventilation rates for a few occupancy categories.Revises requirements for separation of outdoor air intakes from exhaust and relief air outlets by using classes of air already defined in the standard rather than descriptions of the air quality.Adds additional requirements related to the design of demand-controlled ventilation systems. To encourage designers to consider “additively” (a basic consideration in the prescriptive VRP) when applying the IAQ procedure, some guidance from the ACGIH has been included in the informative text. In informative Appendix B, provides a table of volatile organic compounds that designers might want to consider as possible contaminants of concern.
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