Ontario, Calif. — The 2017 edition of the Oregon Plumbing Specialty Code (OPSC), a custom plumbing code for the state based on IAPMO’s 2015 Uniform Plumbing Code® (UPC), is now available. The OPSC has been updated with recent 2017 Oregon amendments. The 2017 OPSC is available for purchase via the IAPMO web store at https://goo.gl/yTRD2m Read more