Older buildings should be in compliance with the version of the standard in effect at the time the building was designed and built. These additional applications may depend upon the building codes that adopt the standard. But it may also be applicable to building additions, HVAC system replacement, “substantial alterations” to the building, or a change in the building’s use. Because of the enforceability considerations, the standard is mainly applicable to new construction.There are a lot less “should”s and a lot more “shall”s.
Air quality sampling personal breathing zone code#
This allows for code enforcement agencies to incorporate provisions of the standard and then be able to fully enforce the requirements. Many sections of the standard have been rewritten into “mandatory and enforceable language”.The Standard numerical designation was changed from 62 to 62.1 because a separate new standard, “62.2 – Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings”, was developed.In fact, there is relatively little that has not been changed. This standard incorporates 17 addenda that delete and/or replace many of the sections of the previous standard. The ANSI/ASHRAE Standard 62.1-2004 Ventilation for Acceptable Indoor Air Quality incorporates a number of significant changes to the previous standard – 62-2001. The first installment reviewed changes in the use of carbon dioxide as an indicator of indoor air quality. This article is the second installment of our Review of ANSI/ASHRAE Standard 62.1-2004. Ventilation for Acceptable Indoor Air Quality
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