The Plastic Pipe and Fittings Association has released North America’s first life cycle inventory (LCI) for the manufacture of plastic plumbing pipe, says Richard Church, PPFA’s Executive Director. The LCI (a component of a life cycle analysis) is the first phase of three planned for a complete life cycle analysis on plastic plumbing pipe. Plastic pipe manufacturing was modeled by Franklin Associates, a Division of Eastern Research Group, using resin production data released in 2007 and published in the U.S. LCI Database (