Corrosive liquids can harm DWV piping systems not designed for chemicals. The IPC requires dilution, neutralization, or treatment of chemical waste before discharge. Vents must also use rated piping to avoid harm from vapors.

A client recently asked about PFAS legislation in the U.S. You can find more information in my columns "PFAS: A Growing Concern" and "Forever Chemicals in the News." I'm also looking into state-level PFAS legislation for my readers.

NSF International Standard 53 is internationally recognized as the benchmark for water filtration systems’ effectiveness in reducing specific health-related contaminants. 

The U.S. Environmental Protection Agency (EPA) is making changes to the voluntary WaterSense program for high-efficiency faucets and tank-type water closets (toilets) in 2024. These changes aim to promote water conservation and sustainability but may pose significant challenges for product manufacturers and the building industry.

The deadline to apply has been extended to July 12.

The UPC is included in the 2024 P100 as part of Appendix B, which acknowledges recognized codes.

Contractors view the International Plumbing Code (IPC) as the top standard for creating safe buildings. But they may not know about the significant changes in the 2024 edition, including a new exception to toilet facility door locking.

The International Association of Plumbing and Mechanical Officials' (IAPMO) monographs of proposals for modifications to the Uniform Plumbing Code (UPC) and Uniform Mechanical Code (UMC).

 The 2024 USHGC addresses the latest provisions and technology paving the road to zero net energy and for the safe installation of solar, hydronics and geothermal energy systems.

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