NSF International’s Plumbing Program recently introduced a
new geothermal listing for piping products that will ultimately produce
cost-effective and environmentally-friendly methods to heat and cool
buildings. NSF’s new geothermal listing service tests and
certifies Polyethylene (PE) and Polypropylene (PP) piping system products.
Over the last 15 years, a regulatory framework has been developed across the U.S. and Canada for controlling the leaching of lead and other contaminants from plumbing and other products used in municipal water distribution systems.
In 2002, ASTM F876, Standard Specification for Cross-linked Polyethylene (PEX) Tubing, was updated to include a requirement for the oxidative stability in potable chlorinated water application.
NSF International has announced a two-day conference on the application of Hazard Analysis Critical Control Points (HACCP) in drinking water utility operations.