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).)