Petition File No. 588:
Title 8, Unfired Pressure Vessel Safety Orders, Section 462
Petition File No. 588
Michael M. Miller, President and Director
Petitioner requests to amend Title 8, CCR, Section 462 of the Unfired Pressure Vessel Safety Orders (UFPVSO), to permit the use of polyethylene (aka HDPE plastic) pipe to convey compressed air in California mines.