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Extra resources for ASHRAE Standard 62-1999 - Ventilation for Acceptable Indoor Air Quality

Example text

The Air Quality Procedure requires consideration of many more factors than the level of CO2. Therefore, CO2 control of outdoor air intake or the filtration of CO2 can not be used as sole proof of compliance under the Air Quality Procedure. 3. The standard allows for a filtration system to be installed in order to reduce the outdoor air requirement if there are known potential contaminants that will be generated in the facility, such as Environmental Tobacco Smoke (ETS) from smokers or formaldehyde from indoor processes.

This addendum updates references in Appendix C and also modifies Tables 1 and 3. 3 Addendum c removes consideration of thermal comfort from the standard. 2. 3 in its entirety. 3 Addendum d adds caveats to the scope stating that compliance with the standard will not necessarily result in acceptable indoor air quality for a variety of reasons. 3. 3 accommodate a moderate amount of smoking. 1, Table 3, and Appendix D Addendum f is intended to address a lack of clarity in the standard that has contributed to several misunderstandings regarding CO2.

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