ASHRAE 62.1 is published by the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) for the ventilation system design and acceptable Indoor Air Quality. First published in 1973 as standard 62, standard 62.1 specifies minimum ventilation rates and other measures for new and existing buildings that are intended to provide indoor air quality that is acceptable to human occupants and that minimizes adverse health effects.

Cove.tool refers to the minimum ventilation rates table mentioned in ASHRAE 62.1 for the years 2007, 2010 and 2013 for different type of buildings. 

Learn more about ASHRAE 62.1 here: https://www.ashrae.org/technical-resources/bookstore/standards-62-1-62-2 

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