Standard Guide for Selecting Economic Methods for Evaluating Investments in Buildings and Building Systems1 This popular is issued underneath the fixed designation e the variety straight away following the designation suggests the yr of original adoption or, within the case of revision, the year of final revision. Standard Practices for Air Leakage Site Detection in Building Envelopes and Air Barrier Systems1 This preferred is issued beneath the fixed designation e the range straight away following the designation indicates the yr of authentic adoption or, within the case of revision, the year of ultimate revision.
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