Ill. Admin. Code tit. 77 § 890.440
Current through Register Vol. 48, No. 36, September 6, 2024
Where a vitrified clay or other brittleware, acid-proof trap is installed underground, it shall be embedded in concrete to a thickness of six (6) inches from the bottom and side of the trap.
Ill. Admin. Code tit. 77, § 890.440