RECOMMENDATIONS & STATEMENTS

Recommendations 

Statements

  • Statement A 2019 - Relative Oxidative Aggressiveness of Chloramines and Free Chlorine Disinfectants on Crosslinked Polyethylene (PEX) Pipes Used in Treated Potable Water
  • Statement G 2017 - Indented Markings
  • Statement N 2021 - Barrier Properties of Plastic Pipe Used for Potable Water Service
  • Statement Q 2007 - Position Statement on Polyolefin Materials for Closed Loop Earth Coupled Heat Pump Applications (This document is obsolete, please refer to TN-55)
  • Statement S 2013 - Caution Statement on Heat Fusion Joining of Polyethylene Pipe And Fittings Based On Color
  • Statement U 2020 - PPI Position Statement on the Use of PCR Materials in Polyethylene Pipe & Conduit
  • Statement V 2017 - Recommended Color Code for Solid Wall Plastic Pipe and Conduit
  • Statement W 2011 - Position Statement on Improved Material Categories for Polyethylene Pressure Pipe - Archived
  • Statement Y 2023 - Taste and Odor of Drinking Water from Plastic Piping Systems  - Revised 2023
  • Statement Z 2017 - Use of Calcium Carbonate Additives in HDPE Conduit
  • Statement AA 2024 - PFAS Chemicals and Plastic Piping for Portable Water Transport  Revised 2024
  • Statement AB 2023 - Microplastics and Plastic Piping for Potable Water - New 2023
  • Statement AC 2023 - Operating 90 °C and 105 °C Rated Cables with HDPE Conduit New 2023