US lawMassachusettsRegulations248 CMR — Board of State Examiners of Plumbers and Gas Fitters248 CMR 8.00 — Amendments to NFPA 588.07248 CMR 8.07Modifications to Chapter 15, Pipe and Tubing Sizing TablesYear: 2026Length: 18 wordsOfficial source No modifications have been made to Chapter 15, Pipe and Tubing Sizing Tables. 12/5/14 248 CMR - 68Previous248 CMR 8.06