PRESS RELEASE

    IAPMO Makes Tentative Interim Amendment (TIA) Available for Public Comment

    IAPMO Makes Tentative Interim Amendment (TIA) Available for Public Comment

    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

    In Compliance Joins IAPMO Family

    30 June 2026

    IAPMO® is pleased to announce that In Compliance, a German-based consulting firm specializing in international product compliance requirements and regulations, has joined the IAPMO family.

    IAPMO’s Aguilar to Receive ANSI Meritorious Service Award

    19 June 2026

    IAPMO® Senior Vice President of Codes and Standards Development Hugo Aguilar, P.E., has been named a recipient of the American National Standards Institute’s (ANSI) Meritorious Service Award, which recognizes “significant contributions to the U.S. voluntary standardization system.”

    IAPMO Seeks UPC Task Group Members

    15 June 2026

    Ontario, California — The Uniform Plumbing Code (UPC®) Technical Committee is seeking special subject experts to participate in the following task group: Building Drain Cured-In-Place.

    Scroll to top