PDFWAC 296-150V-1430

What requirements apply to gas piping system openings?

All openings in the gas piping system must be closed gas-tight with threaded pipe plugs or pipe caps.
[Statutory Authority: Chapter 43.22 RCW. WSR 99-18-069, § 296-150V-1430, filed 8/31/99, effective 10/1/99.]