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Hygienic Air Quality for the Food Industry
www.ifst.orgMinimum air changes per hour to maintain air quality 5 10 Microbiological monitoring (HACCP ) optional recommended essential . 11 All food factories require ventilation. Air filtration is necessary to ensure the containment of critical working areas. Air can act as a source of contamination; ...
Laboratory Ventilation ACH Rates Standards and Guidelines
www.aircuity.comJan 03, 2012 · “‘Air changes per hour’ or ‘air changes per minute’ is a poor basis for ventilation criteria where environmental control of hazards, heat, and/or odors is required. The required ventilation depends on the problem, not on the size of the room in which it occurs.” 5. ASHRAE 62.1 Standard on Ventilation for Acceptable Indoor Air Quality