Papers & Guidelines
SMACNA Technical Papers and Guidelines review processes, specifications and requirements in various documents and standards, providing reviews, recommendations, clarifications and some useful tips for contractors.
All papers and guidelines are copyrighted by SMACNA and SMACNA grants members single user permission to download and use. Any other use or distribution require SMACNA’s permission.
EPA Signs SNAP Rule 23
On April 23, the U.S. Environmental Protection Agency (EPA) signed the Significant New Alternatives Policy (SNAP) Rule 23 - New listings for refrigeration and air conditioning; revised listing for fire suppression.
TRB-02-21-EPA-Signs-SNAP-Rule-23.pdf
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