TITLE 77: PUBLIC HEALTH
PART 890 ILLINOIS PLUMBING CODE
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SECTION 890.APPENDIX A PLUMBING MATERIALS, EQUIPMENT, USE RESTRICTIONS AND APPLICABLE STANDARDS
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Section 890.APPENDIX A   Plumbing Materials, Equipment, Use Restrictions and Applicable Standards

 

Section 890.TABLE J   Size of Vent Stacks

 

Number of Bathroom Groups

 

Diameter of Vent Stacks (Inches)

1 or 2

 

2

3 to 9

 

3

10 to 16

 

4