TITLE 77: PUBLIC HEALTHHome
PART 890 ILLINOIS PLUMBING CODE
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SECTION 890.1410 MATERIALS
Section 890.1410 Materials
a) All piping and fittings used in the vent system shall conform to requirements of Appendix A, Table A, "Approved Building Drainage/Vent Pipe" and "Approved Standards for Fittings".
b) A system carrying corrosive waste shall be of approved materials as in Appendix A, Table A, "Approved Building Drainage/Vent Pipe". Vent piping shall be of the same material as the waste piping. (See Section 890.1310(b).)