Ill. Admin. Code tit. 41 § 160.160
Current through Register Vol. 49, No. 2, January 10, 2025
Joints may be welded or of the ordinary screw type; if of the screw type they shall be screwed together with litharge and glycerine, lamp black or shellac or pipe joint compound.
Ill. Admin. Code tit. 41, § 160.160
Amended at 9 Ill. Reg. 10012, effective October 1, 1985