TITLE 77: PUBLIC HEALTH
PART 890 ILLINOIS PLUMBING CODE
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SECTION 890.440 ACID-PROOF TRAPS
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Section 890.440  Acid-Proof Traps

 

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.