WAC 51-52-22006   Chapter 6 -- Gas piping installation.  



[Statutory Authority: RCW 19.27.190, 19.27.020, and chapters 19.27 and 34.05 RCW. 07-01-092, § 51-52-22006, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW 19.27.031 and 19.27.074. 04-01-104, § 51-52-22006, filed 12/17/03, effective 7/1/04.]