US lawMassachusettsRegulations248 CMR — Board of State Examiners of Plumbers and Gas Fitters248 CMR 5.00 — Amendments to NFPA 545.06248 CMR 5.06Modifications to Chapter 6, Pipe SizingYear: 2026Length: 10 wordsOfficial source No modifications have been made to Chapter 6, Pipe Sizing.Previous248 CMR 5.05Next248 CMR 5.07