Ontario, Calif. – In accordance with the IAPMO Regulations Governing Committee Projects, IAPMO would like to announce that a tentative interim amendment (TIA) to the 2024 edition of the Uniform Mechanical Code (UMC®) is being submitted for public comment.
UMC TIA 003-24 revises text in the 2024 edition of the UMC, Table 1102.3 (Refrigerant Groups, Properties, and Allowable Quantities), regarding values for Refrigerant Concentration Limits (RCLs) and Lower Flammability Limits (LFLs) of listed refrigerants. The comment form is located at:
https://codes.iapmo.org/docs/2024/UMC/TIA/Submit%20Comment%20Form%20(TIA%20003-24).pdf
IAPMO invites all interested parties to review the proposed TIA on the IAPMO website under Uniform Mechanical Code/Proposed TIAs and respond by filling out the comment form.
The deadline to submit comments is Sept. 5.
Completed forms may be emailed to Taylor Duran, the UMC staff liaison, at taylor.duran@iapmo.org.ilable for Public Comment
IAPMO® recently completed Technical Committee Meetings toward the development of the 2027 edition of the Water Efficiency and Sanitation Standard (WE•Stand), previous editions of which are American National Standards.
IAPMO® recently completed Technical Committee Meetings toward the development of the 2027 editions of the Uniform Solar, Hydronics and Geothermal Code (USHGC®) and Uniform Swimming Pool, Spa and Hot Tub Code (USPSHTC®), preceding editions of which are American National Standards.
IAPMO® will once again take an active role in national High-Performance Buildings Week, returning to Washington, D.C., this week. Celebrating more than two decades of support for this progressive initiative, IAPMO will join members of the High-Performance Buildings Coalition (HPBC) on Capitol Hill to advocate for resilient, efficient, and sustainable building practices.