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Public Review 
Input from stakeholders (e.g., inspection officials, product manufacturers, engineering professionals, and the public at large) is an important part of the IAPMO standards development process. To ensure that all affected parties and stakeholders have the opportunity to provide their input and comment before final approval by the standards committee, candidate American National Standards (ANS) are offered for public review in accordance with the ANSI Essential Requirements: Due process requirements for American National Standards and the IAPMO Policies and Procedures for Consensus Development of American National Standards.

The draft standards listed below are currently offered for public review. If you wish to submit public comments, please download the template for comments and submit it to before the submission deadline.


Comments Due By

IAPMO S1001.1 Design and Installation of Solar Water Heating Systems 2018-12-17
IAPMO Z124.5 Plastic Toilet Seats 2018-12-17
IAPMO Z124.7 Prefabricated Plastic Spa Shells 2018-12-17
IAPMO Z124.8 Plastic Liners for Bathtubs and Shower Receptors 2018-12-17
IAPMO Z1000 Prefabricated Septic Tanks 2018-12-17
IAPMO Z1088 Pre-Pressurized Water Expansion Tanks 2018-12-17
CSA B45.12+IAPMO Z402 Aluminum and copper plumbing fixtures 2018-12-17
CSA B45.13+IAPMO Z1700 Vacuum waste-collection systems 2018-12-17